2026-04-04T17:24:36Zhttps://escholarship.org/oaioai:escholarship.org:ark:/13030/qt9b50n8cj2026-04-04T17:19:54Zqt9b50n8cjTarget normal sheath acceleration with a large laser focal diameterPark, JBin, JHSteinke, SJi, QBulanov, SSThévenet, MVay, J-LSchenkel, TGeddes, CGRSchroeder, CBEsarey, E2020-12-01The dependence of the laser-driven ion acceleration from thin titanium foils in the Target Normal Sheath Acceleration (TNSA) regime on target and laser parameters is explored using two dimensional particle-in-cell simulations. The oblique incidence (θL=45°) and large focal spot size (w0=40μm) are chosen to take an advantage of quasi one-dimensional geometry of sheath fields and effective electron heating. This interaction setup also reveals low and achromatic angular divergence of a proton beam. It is shown that the hot electron temperature deviates from the ponderomotive scaling for short laser pulses and small pre-plasmas. This deviation is mainly due to the laser sweeping, as the short duration laser pulse each moment in time effectively heats only a fraction of a focal spot on the foil. This instantaneous partial heating results in an electron temperature deviation from the ponderomotive scaling and, thus, lower maximum proton energies than it could have been expected from the TNSA theory.5106 Nuclear and Plasma Physics (for-2020)51 Physical Sciences (for-2020)0201 Astronomical and Space Sciences (for)0202 AtomicMolecularNuclearParticle and Plasma Physics (for)0203 Classical Physics (for)Fluids & Plasmas (science-metrix)5106 Nuclear and plasma physics (for-2020)5109 Space sciences (for-2020)application/pdfpubliceScholarship, University of Californiahttps://escholarship.org/uc/item/9b50n8cjhttps://escholarship.org/content/qt9b50n8cj/qt9b50n8cj.pdfinfo:doi/10.1063/5.0020609articlePhysics of Plasmas, vol 27, iss 12123104oai:escholarship.org:ark:/13030/qt62z7h88s2026-04-04T17:19:10Zqt62z7h88sA Longitudinal Analysis of the Impact of Physical Activity on Neurocognitive Functioning Among HIV-Infected AdultsDufour, Catherine AMarquine, María JFazeli, Pariya LUmlauf, AnyaHenry, Brook LZlatar, ZvinkaMontoya, Jessica LEllis, Ronald JGrant, IgorMoore, David JHIV Neurobehavioral Research Program Group2018-05-01Higher levels of physical activity (PA) have been linked to better neurocognitive functioning in many populations. The current study examines the longitudinal association between PA and neurocognitive functioning among HIV-infected and HIV-uninfected persons. Community-dwelling adults (N = 291) self-reported level of PA and completed a comprehensive neuropsychological battery at two to four study visits (Mean follow-up time = 2.6 years). Participants were divided into three PA groups: “No PA” (no PA at any visit), “consistent PA” (PA at ≥50% of visits), and “inconsistent PA” (PA < 50% of visits). A mixed effect model, adjusting for significant covariates showed that all PA groups had statistically significant, yet modest, neurocognitive decline over time; and, the consistent PA group began with, and maintained, significantly better neurocognitive function compared to the other two PA groups. This effect was evident among both HIV-uninfected and HIV-infected persons, despite the fact that HIV-infected persons showed lower baseline neurocognitive function. PA is a modifiable lifestyle behavior that may help to protect against neurocognitive impairment regardless of HIV status, however, given the proportion of HIV-infected individuals who evidence neurocognitive difficulties, a focus on increasing PA seems warranted.4206 Public Health (for-2020)42 Health Sciences (for-2020)Clinical Research (rcdc)Neurosciences (rcdc)Prevention (rcdc)HIV/AIDS (rcdc)Physical Activity (rcdc)Infectious Diseases (rcdc)Mental Health (rcdc)Basic Behavioral and Social Science (rcdc)Behavioral and Social Science (rcdc)Adult (mesh)Antiretroviral TherapyHighly Active (mesh)Exercise (mesh)Female (mesh)HIV Infections (mesh)Humans (mesh)Life Style (mesh)Longitudinal Studies (mesh)Male (mesh)Middle Aged (mesh)Neurocognitive Disorders (mesh)Neuropsychological Tests (mesh)Quality of Life (mesh)HIV/AIDSCognitionPhysical activityExerciseNeurocognitive impairmentHIV-associated neurocognitive disordersHIV Neurobehavioral Research Program GroupHumans (mesh)HIV Infections (mesh)Antiretroviral TherapyHighly Active (mesh)Exercise (mesh)Longitudinal Studies (mesh)Life Style (mesh)Neuropsychological Tests (mesh)Quality of Life (mesh)Adult (mesh)Middle Aged (mesh)Female (mesh)Male (mesh)Neurocognitive Disorders (mesh)CognitionExerciseHIV-associated neurocognitive disordersHIV/AIDSNeurocognitive impairmentPhysical activityAdult (mesh)Antiretroviral TherapyHighly Active (mesh)Exercise (mesh)Female (mesh)HIV Infections (mesh)Humans (mesh)Life Style (mesh)Longitudinal Studies (mesh)Male (mesh)Middle Aged (mesh)Neurocognitive Disorders (mesh)Neuropsychological Tests (mesh)Quality of Life (mesh)1117 Public Health and Health Services (for)1607 Social Work (for)Public Health (science-metrix)4206 Public health (for-2020)application/pdfpubliceScholarship, University of Californiahttps://escholarship.org/uc/item/62z7h88shttps://escholarship.org/content/qt62z7h88s/qt62z7h88s.pdfinfo:doi/10.1007/s10461-016-1643-zarticleAIDS and Behavior, vol 22, iss 51562 - 1572oai:escholarship.org:ark:/13030/qt8342b9rv2026-04-04T17:12:17Zqt8342b9rvEfficient Algorithms for Estimating the Absorption Spectrum within Linear Response TDDFTBrabec, JiriLin, LinShao, MeiyueGovind, NiranjanYang, ChaoSaad, YousefNg, Esmond G2015-11-10We present a special symmetric Lanczos algorithm and a kernel polynomial method (KPM) for approximating the absorption spectrum of molecules within the linear response time-dependent density functional theory (TDDFT) framework in the product form. In contrast to existing algorithms, the new algorithms are based on reformulating the original non-Hermitian eigenvalue problem as a product eigenvalue problem and the observation that the product eigenvalue problem is self-adjoint with respect to an appropriately chosen inner product. This allows a simple symmetric Lanczos algorithm to be used to compute the desired absorption spectrum. The use of a symmetric Lanczos algorithm only requires half of the memory compared with the nonsymmetric variant of the Lanczos algorithm. The symmetric Lanczos algorithm is also numerically more stable than the nonsymmetric version. The KPM algorithm is also presented as a low-memory alternative to the Lanczos approach, but the algorithm may require more matrix-vector multiplications in practice. We discuss the pros and cons of these methods in terms of their accuracy as well as their computational and storage cost. Applications to a set of small and medium-sized molecules are also presented.34 Chemical Sciences (for-2020)3406 Physical Chemistry (for-2020)3407 Theoretical and Computational Chemistry (for-2020)Bioengineering (rcdc)0307 Theoretical and Computational Chemistry (for)0601 Biochemistry and Cell Biology (for)0803 Computer Software (for)Chemical Physics (science-metrix)3406 Physical chemistry (for-2020)3407 Theoretical and computational chemistry (for-2020)application/pdfpubliceScholarship, University of Californiahttps://escholarship.org/uc/item/8342b9rvhttps://escholarship.org/content/qt8342b9rv/qt8342b9rv.pdfinfo:doi/10.1021/acs.jctc.5b00887articleJournal of Chemical Theory and Computation, vol 11, iss 115197 - 5208oai:escholarship.org:ark:/13030/qt7j72g8sm2026-04-04T17:07:20Zqt7j72g8smAgainst Extraction: Indigenous Modernism in the Twin CitiesMakhdoumian, Helen2026-04-02application/pdfCC-BY-NCeScholarship, University of Californiahttps://escholarship.org/uc/item/7j72g8smhttps://escholarship.org/content/qt7j72g8sm/qt7j72g8sm.pdfinfo:doi/10.17953/A3.64276articleAmerican Indian Culture and Research Journal , vol 49, iss 1oai:escholarship.org:ark:/13030/qt0007t3sn2026-04-04T17:07:17Zqt0007t3snWhat Side Are You On?Shaw, Fantasia2026-04-02application/pdfCC-BY-NCeScholarship, University of Californiahttps://escholarship.org/uc/item/0007t3snhttps://escholarship.org/content/qt0007t3sn/qt0007t3sn.pdfinfo:doi/10.17953/A3.62160articleAmerican Indian Culture and Research Journal , vol 49, iss 1oai:escholarship.org:ark:/13030/qt5kr932n12026-04-04T17:07:14Zqt5kr932n1Policing Not Protecting Families: The Child Welfare System as Poverty GovernanceSchafer-Morgan, Destany2026-04-02application/pdfCC-BY-NCeScholarship, University of Californiahttps://escholarship.org/uc/item/5kr932n1https://escholarship.org/content/qt5kr932n1/qt5kr932n1.pdfinfo:doi/10.17953/A3.61355articleAmerican Indian Culture and Research Journal , vol 49, iss 1oai:escholarship.org:ark:/13030/qt1cb4b0qj2026-04-04T17:07:11Zqt1cb4b0qjSettling the Boom: The Sites and Subjects of Bakken OilParker, Angela2026-04-02application/pdfCC-BY-NCeScholarship, University of Californiahttps://escholarship.org/uc/item/1cb4b0qjhttps://escholarship.org/content/qt1cb4b0qj/qt1cb4b0qj.pdfinfo:doi/10.17953/A3.53970articleAmerican Indian Culture and Research Journal , vol 49, iss 1oai:escholarship.org:ark:/13030/qt8jc8v54k2026-04-04T17:07:08Zqt8jc8v54kRepublic of Indians: Empires of Indigenous Law in the Early American SouthO'Connell, DelaneyCaldwell, Robert B.2026-04-02republicsEntangled historiesComparative colonialismgovernanceapplication/pdfCC-BY-NCeScholarship, University of Californiahttps://escholarship.org/uc/item/8jc8v54khttps://escholarship.org/content/qt8jc8v54k/qt8jc8v54k.pdfinfo:doi/10.17953/A3.61938articleAmerican Indian Culture and Research Journal , vol 49, iss 1oai:escholarship.org:ark:/13030/qt9zk357p52026-04-04T17:07:05Zqt9zk357p5Prison Born: Incarceration and Motherhood in the Colonial ShadowLumsden, Stephanie Anne2026-04-02application/pdfCC-BY-NCeScholarship, University of Californiahttps://escholarship.org/uc/item/9zk357p5https://escholarship.org/content/qt9zk357p5/qt9zk357p5.pdfinfo:doi/10.17953/A3.62969articleAmerican Indian Culture and Research Journal , vol 49, iss 1oai:escholarship.org:ark:/13030/qt51k6d8zz2026-04-04T17:07:01Zqt51k6d8zzThe Children of Solaga: Indigenous Belonging across the US-Mexico BorderKovats Sánchez, Gabriela2026-04-02diasporic Indigenous youthapplication/pdfCC-BY-NCeScholarship, University of Californiahttps://escholarship.org/uc/item/51k6d8zzhttps://escholarship.org/content/qt51k6d8zz/qt51k6d8zz.pdfinfo:doi/10.17953/A3.62049articleAmerican Indian Culture and Research Journal , vol 49, iss 1oai:escholarship.org:ark:/13030/qt2fc8x75h2026-04-04T17:06:58Zqt2fc8x75hProducing Sovereignty: The Rise of Indigenous Media in Canada Erteber, Dilan2026-04-02application/pdfCC-BY-NCeScholarship, University of Californiahttps://escholarship.org/uc/item/2fc8x75hhttps://escholarship.org/content/qt2fc8x75h/qt2fc8x75h.pdfinfo:doi/10.17953/A3.61963articleAmerican Indian Culture and Research Journal , vol 49, iss 1oai:escholarship.org:ark:/13030/qt2fc687nf2026-04-04T17:06:54Zqt2fc687nfBy the Fire We Carry: The Generations-Long Fight for Justice on Native LandByrn, Jonathan2026-04-02application/pdfCC-BY-NCeScholarship, University of Californiahttps://escholarship.org/uc/item/2fc687nfhttps://escholarship.org/content/qt2fc687nf/qt2fc687nf.pdfinfo:doi/10.17953/A3.63648articleAmerican Indian Culture and Research Journal , vol 49, iss 1oai:escholarship.org:ark:/13030/qt2fw1r80t2026-04-04T17:06:51Zqt2fw1r80tAcoustic Colonialism: Acts of Mapuche InterferenceAmmerman Muñoz, Cinthya2026-04-02application/pdfCC-BY-NCeScholarship, University of Californiahttps://escholarship.org/uc/item/2fw1r80thttps://escholarship.org/content/qt2fw1r80t/qt2fw1r80t.pdfinfo:doi/10.17953/A3.62036articleAmerican Indian Culture and Research Journal , vol 49, iss 1oai:escholarship.org:ark:/13030/qt0d30f8v32026-04-04T17:06:47Zqt0d30f8v3Tribal Seed Sovereignty and Rematriation: Fulfilling Our Responsibilities through Relational Work with Traditional Seeds of the Mandan, Hidatsa, and Arikara NationDe La Cruz, RuthFriedrichsen, Claire N.Abe, SonyaAlberts, BrettBarnoskie, KahheetahBarthelemy, MichaelBrunelle, DaleDesRosier, M. J.Dubois, TianaEcho-Hawk, DebFalcon Ramaker, JillFellows, SidneyO'Brien, RhondaSpotted Bear, DenverStephens, CarolineWhite, LorenYoung Bird, Bernadine2026-04-02This document aims to serve as a foundational resource on seed rematriation for the Mandan Hidatsa and Arikara (MHA). We are revitalizing our history and culture surrounding traditional seed varities. The following is a case study in methodology on seed rematriation. In particular, we share the process when it is co-developed between an Indigenous institution and a Federal Research Agency with the same intention to support Indigenous Food and Seed Sovereignty. Nueta Hidatsa Sahnish (NHS) College and USDA-Agricultural Research Service Northern Great Plains Research Laboratory are conducting Indigenous research utilizing participatory action research methods deeply rooted in relationality and respect to support Indigenous Seed Sovereignty through seed multiplication and rematriation. The collaboration aims to support the health of the Traditional Seed Cache located at NHS College by increasing the quantity and quality of seeds available to MHA Tribal members. Through a sharing circle, we have asked the Pawnee Seed Preservation Society, the University of Montana, and Montana State University to share the lessons they learned in seed sovereignty to complement our methodology. The result is a fabric woven together of genetic best practices, cultural best practices, chewing questions we have encountered, and lessons learned from the first year of our seed rematriation project. We hope that our reflection will be helpful to other groups pursuing a similar journey of rebuilding their kinship with their seed relatives. Seed SovereigntyFood Sovereigntyparticipatory action researchcollaborationBest practicesMandan Hidatsa Arikara NationMandanHidatsaSahnishNuetaapplication/pdfCC-BY-NCeScholarship, University of Californiahttps://escholarship.org/uc/item/0d30f8v3https://escholarship.org/content/qt0d30f8v3/qt0d30f8v3.pdfinfo:doi/10.17953/A3.47093articleAmerican Indian Culture and Research Journal , vol 49, iss 1oai:escholarship.org:ark:/13030/qt05m8339f2026-04-04T17:06:44Zqt05m8339fGlobal Information Resurgence: Transforming Indigenous Archival Sovereignty through Trans-Indigenous RelationalityO'Neal, Jennifer R.2026-04-02This article examines the development of global and transnational alliances built over the past twenty years in the fight to protect Indigenous information and knowledge, particularly in the context of the United Nations Declaration of the Rights of Indigenous Peoples (UNDRIP) passed in 2007. It focuses specifically on the foundational history, radical resurgence, and survivance of activists’ groups enacting change within spaces where Indigenous information is held in archives, libraries and museums, especially in non-Indigenous repositories, agencies and institutions. Examined through the lens of Indigenous Archival and Data Sovereignty, this article highlights the major challenges, as well as advances, made by transnational alliances of Indigenous activist groups, professional organizations and individual activists within the United States, Canada, and Australia, focused specifically on how they persevered during the foundational stages of information policy development in their respective counties, as well how they collaborated together to implement new protocols, policies, and procedures at the national, regional, and local level. Through the use of Indigenous research methods, including Indigenous storywork and reflexivity, this work argues that the foundational activist work of Indigenous activists fighting to bring awareness of Indigenous information rights has paved the way for the contemporary work within repositories. These Indigenous transnational alliances show the importance of collaborating on a global scale to assert Indigenous radical resurgence and political sovereignty. It concludes by proposing suggested ways forward in the fight for Indigenous Archival Sovereignty by activating global and national protocols and declarations at the local level. Indigenous archivesIndigenous archival sovereigntyIndigenous data sovereigntyIndigenous protocolsIndigenous radical resurgenceIndigenous global activismIndigenous Data Sovereigntyapplication/pdfCC-BY-NCeScholarship, University of Californiahttps://escholarship.org/uc/item/05m8339fhttps://escholarship.org/content/qt05m8339f/qt05m8339f.pdfinfo:doi/10.17953/A3.43531articleAmerican Indian Culture and Research Journal , vol 49, iss 1oai:escholarship.org:ark:/13030/qt4qv2909x2026-04-04T17:06:40Zqt4qv2909xBorder Securitization as Settler ColonialismHundley, James M.2026-04-02The international border that simultaneously separates and joins Canada and the US divides numerous Indigenous nations, ostensibly placing these nations solely under the jurisdiction of either state. While the unique political situations of Indigenous nations remain undertheorized in much of the border studies literature, this paper suggests that exploring post-9/11 security changes at the Canada/US border as a form of settler colonialism connects critical Indigenous scholarship with border studies. I theorize the processes of securitization to highlight the surreptitious ways settler colonialism is perpetuated by removing “the Indigenous” as a geopolitical entity. This article focuses primarily on the Coast Salish of Washington and British Columbia and their ongoing attempts to assert a transnational identity that spans the Canada/US border. Examining security changes at the international border demonstrates that securitization of the Canada/US border perpetuates the settler colonial framework by undermining Indigenous sovereignty – unsuccessfully in many cases. Nevertheless, First Nations and Tribes in the Pacific Northwest, and elsewhere across the continent, have collaborated and implemented innovative strategies that resist securitization. In the Pacific Northwest, this includes deploying a nationalism movement that spans the border. The data for this article derive primarily from ethnographic fieldwork with the Nooksack Tribal Nation, Stó:lō Nation, and other Coast Salish collaborators. securitizationSettler colonialismethnographyAnthropologyCoast Salishapplication/pdfCC-BY-NCeScholarship, University of Californiahttps://escholarship.org/uc/item/4qv2909xhttps://escholarship.org/content/qt4qv2909x/qt4qv2909x.pdfinfo:doi/10.17953/A3.42235articleAmerican Indian Culture and Research Journal , vol 49, iss 1oai:escholarship.org:ark:/13030/qt2vx0z3ms2026-04-04T17:06:37Zqt2vx0z3msLayersApiata, Hāwea2026-04-02This bilingual poem references the Māori concept of whakapapa which explains the layers of connections between everything in the natural world. Whakapapa is the lens through which we look to both the past and the future. Understanding our whakapapa means we understand our relationship with the land and with each other. It is also in our whakapapa that we find our resurgence as a people touched by colonialism. Māori poetrywhakapapaReo Māori literatureIndigenous resurgenceapplication/pdfCC-BY-NCeScholarship, University of Californiahttps://escholarship.org/uc/item/2vx0z3mshttps://escholarship.org/content/qt2vx0z3ms/qt2vx0z3ms.pdfinfo:doi/10.17953/A3.41966articleAmerican Indian Culture and Research Journal , vol 49, iss 1oai:escholarship.org:ark:/13030/qt2hq6r2tz2026-04-04T17:06:33Zqt2hq6r2tzA 100-Year Bloom of Indigenous Limnology and Reconnection to Land through Field StationsAllen, Raymond L.Quale, SagenHockings, CelestePhenological Initiatives for Indigenous Peoples in Limnology CollectiveGerrish, Gretchen A.2026-04-02The impact and importance of place-based teaching and research with Indigenous communities globally is making a resurgence, and dominant Western institutions commit to but struggle with implementing these practices. This article outlines an Anishinaabe-based initiative to reoccupy space and create a network for Indigenous peoples interested in or participating in water research in the Great Lakes region by reimagining relationships around a university field station. The University of Wisconsin-Madison owns Trout Lake Station, a field station about 220 miles north of the main campus that is world-renowned for its work in limnology. The (Ph)enological Initiatives for (IN)digenous Peoples in Limnology is a project housed at Trout Lake Station aimed at reconnecting Tribal citizens to their homelands and with fellow Indigenous peoples to assess and strengthen relationships with freshwater. The project, a collaboration between the Lac du Flambeau Band of Lake Superior Chippewa Indians and UW Madison Trout Lake Station, has hosted four seasonal workshops and is expanding to include seasonal internships for program alumni. We discuss the past and current versions of our workshop, synergistic relationships from in-house programs and research projects with the Lac du Flambeau Tribe, engagement and feedback from program alumni, and future plans for the projects and leadership. We conclude by providing suggestions and templates for similar place-based initiatives in other Indigenous lands and encourage field stations to be a place where reconnection and regeneration of land-based pedagogies for Indigenous communities are cultivated.
LimnologyphenologyField Stations and Marine LaboratoriesOjibweAnishinaabeCeded TerritoryCBPRData sovereigntywild ricewalleyeapplication/pdfCC-BY-NCeScholarship, University of Californiahttps://escholarship.org/uc/item/2hq6r2tzhttps://escholarship.org/content/qt2hq6r2tz/qt2hq6r2tz.pdfinfo:doi/10.17953/A3.42274articleAmerican Indian Culture and Research Journal , vol 49, iss 1oai:escholarship.org:ark:/13030/qt02r4965m2026-04-04T17:06:29Zqt02r4965mFire Back: Rematriating Indigenous Cultural Fire and SovereigntyAdams, Melinda M.Caverley, NatashaGregor, TheresaLeonard, KelseyBurgueno, EmilyCardinal Christianson, AmyCarrière, MichelaCarrière, SolomonCarrière, RenéeCourtorielle, MadelineCourtoreille, PaulDusek, MarlenéDixon, Dancy Panther2026-04-02We are living in an era of Indigenous rematriation where Indigenous Peoples’ ontologies, epistemologies, diverse cultures, languages, curation, and arts all around the globe are working to restore balance and return the sacred toward our self-determination and political sovereignty. As a collective led mostly by Indigenous women representing a broad span of what is currently known as the United States and Canada, we each are working with and alongside Indigenous communities to reclaim the cultural, spiritual, relational, and ecological protection of future uses of cultural fire.
Cultural fire includes Indigenous-led fire practices such as cultural burning, fire medicine, ceremonial fire, and are Ancestral land-based stewardship responsibilities. Outlawed by settlers and state-led agencies, Indigenous Peoples understood our relationship with fire was not solely ecological - it was and continues to be cultural, spiritual, relational and political. With increased extreme weather, settler government agencies are now calling for an increase in cultural burning to mitigate the effects of uncontrolled wildfires and climate change impacts. As many of our Nations across the globe revitalize our cultural fire practices, we are collectively experiencing what we deem a Fire Back movement.
The reclamation and revitalization of fire practices is being led through Indigenous rematriation, which is community-driven, Indigenous matriarchal-led practices and relations with the land. Rematriation aims to restore balance and promote healing in Indigenous communities by reclaiming Indigenous Knowledges, revitalizing cultural practices and obligations, and supporting Indigenous leadership and decision-making power (Leonard et al., 2023). We conceptualize “rematriation” to mean the return, re-vivification, and restoration of our responsibilities and relationalities with fire as our relative (Adams, 2023). Furthermore, we offer rematriation not in opposition to “repatriation” (a legal term developed under the Native American Graves Protection and Repatriation Act which aims to return cultural objects to Indigenous Peoples) rather, we offer the term as a balance of societal roles our Peoples held in our communities and with our environments since time immemorial.
This article and the Indigenous fire scholarship curated, represent a spectrum of geographies throughout the USA and Canada, offering a conceptualization of “Fire Back” through rematriation to restore rights to the intentional use of Indigenous-led and -informed fire practices. Our framework (1) articulates fire rematriation through the interconnected kinship of people, fire, and planet and (2) advocates for cultural fire sovereignty: fire practices, governance, safety, health, and adaptation led and informed by Indigenous Peoples, including our scholars, practitioners, and allied researchers meaningfully engaging as partners and supporters.
Significantly, cultural fire differs from prescribed fire in both process and protocol. To differentiate, we expand on, adapt, and apply the role of cultural safety in relation to rematriating Indigenous fire practices and cultural fire sovereignty. In this context, cultural safety is trauma-informed and can only be defined and assessed by Indigenous Peoples, our families, and our communities in the given firescape and related institutional setting. Outcomes can range from feeling physically, socially, emotionally and spiritually respected and safe/safer; experiencing the absence of racism and discrimination; to feeling that one’s Indigenous culture is acknowledged, appreciated and incorporated into wildfire management. Furthermore, cultural safety in wildfire management can be recognized at various levels from micro (individual) to macro (environmental and societal—land, water, place and geography). Fostering spaces where Indigenous cultural practices are seen, heard, included and respected, relationality is built from cultural safety in fostering equity in the use of Indigenous-led fire practices: facilitating the exercise of inherent relationships and rights by Indigenous Peoples, families, nations, and communities in this current Fire Back movement.climate changefiregovernanceenvironmental justicepolicywildfireRematriationepistemologiesDecolonizationIndigenous Peoplesapplication/pdfCC-BY-NCeScholarship, University of Californiahttps://escholarship.org/uc/item/02r4965mhttps://escholarship.org/content/qt02r4965m/qt02r4965m.pdfinfo:doi/10.17953/A3.43537articleAmerican Indian Culture and Research Journal , vol 49, iss 1oai:escholarship.org:ark:/13030/qt8qc8n27k2026-04-04T17:06:25Zqt8qc8n27kIndigenous Resurgence: Global Connection and Kinship and an Introduction to the Special IssueDesRosier, M. J.Guernsey, Paul J.2026-04-02The world has seen in recent years what can only be described as an “Indigenous Resurgence” to which even governments are taking notice. There is a rise in popular culture regarding Indigenous peoples’ epistemologies, culture, languages, curation, and arts everywhere from New Zealand, the America’s, Africa, Australia, and other parts of the world. Historical fascinations with those systems have often been by and for the perspective of non-natives who exploited and romanticized Indigenous cultures to form their own national identities, write popular books, or make popular movies about their brief time with a tribe. The appropriation of Indigenous cultural and aesthetic motifs extended to Europe, with philosophers such as Jean-Jacques Rousseau and John Locke and literary figures such as Karl May to Dylan Thomas. But now, many aspects of the resurgence arise directly from and for Indigenous peoples around the world expressing their own cultural values. Like any cultural resurgence, it is difficult to trace the precise genesis, however, it only recently became a transcontinental phenomenon, uniting disparate Indigenous peoples in the process.
This essay offers a theoretical and historical framework for understanding the current global rise in this movement. We argue that the return of the Buffalo to Turtle Island provides one such example of Indigenous cultures and their spiritual relatives overcoming colonial boundaries and addressing the social ills of modernity by rebuilding relationships with each other and the earth. As guest editors, we also take time to introduce and celebrate the current special issue of the American Indian Culture and Research Journal on the topic of Indigenous resurgence and the work of the inspiring group of authors who have found pathways for hope, action, healing, and wellbeing in the ongoing struggle against colonialism.Indigenous resurgenceGlobal KinshipIndigenous RenaissanceIndigenous Kinshipapplication/pdfCC-BY-NCeScholarship, University of Californiahttps://escholarship.org/uc/item/8qc8n27khttps://escholarship.org/content/qt8qc8n27k/qt8qc8n27k.pdfinfo:doi/10.17953/A3.42247articleAmerican Indian Culture and Research Journal , vol 49, iss 1oai:escholarship.org:ark:/13030/qt5426z1972026-04-04T17:06:21Zqt5426z197Authors2026-04-02application/pdfCC-BY-NCeScholarship, University of Californiahttps://escholarship.org/uc/item/5426z197https://escholarship.org/content/qt5426z197/qt5426z197.pdfinfo:doi/10.17953/A3.64339articleAmerican Indian Culture and Research Journal , vol 49, iss 1oai:escholarship.org:ark:/13030/qt7cn8p2712026-04-04T17:06:18Zqt7cn8p271Table of Contents2026-04-02application/pdfCC-BY-NCeScholarship, University of Californiahttps://escholarship.org/uc/item/7cn8p271https://escholarship.org/content/qt7cn8p271/qt7cn8p271.pdfinfo:doi/10.17953/A3.64338articleAmerican Indian Culture and Research Journal , vol 49, iss 1oai:escholarship.org:ark:/13030/qt8zz8v32m2026-04-04T17:06:08Zqt8zz8v32mInclusive J/ψ production at mid-rapidity in pp collisions at s = 5.02 TeVAcharya, SAdamová, DAdhya, SPAdler, AAdolfsson, JAggarwal, MMAglieri Rinella, GAgnello, MAgrawal, NAhammed, ZAhmad, SAhn, SUAkindinov, AAl-Turany, MAlam, SNAlbuquerque, DSDAleksandrov, DAlessandro, BAlfanda, HMAlfaro Molina, RAli, BAli, YAlici, AAlkin, AAlme, JAlt, TAltenkamper, LAltsybeev, IAnaam, MNAndrei, CAndreou, DAndrews, HAAndronic, AAngeletti, MAnguelov, VAnson, CAntičić, TAntinori, FAntonioli, PAnwar, RApadula, NAphecetche, LAppelshäuser, HArcelli, SArnaldi, RArratia, MArsene, ICArslandok, MAugustinus, AAverbeck, RAziz, SAzmi, MDBadalà, ABaek, YWBagnasco, SBai, XBailhache, RBala, RBaldisseri, ABall, MBalouza, SBaral, RCBarbera, RBarioglio, LBarnaföldi, GGBarnby, LSBarret, VBartalini, PBarth, KBartsch, EBaruffaldi, FBastid, NBasu, SBatigne, GBatyunya, BBatzing, PCBauri, DBazo Alba, JLBearden, IGBedda, CBehera, NKBelikov, IBellini, FBellwied, RBelyaev, VBencedi, GBeole, SBercuci, ABerdnikov, YBerenyi, DBertens, RABerzano, DBesoiu, MGBetev, LBhasin, ABhat, IRBhatt, HBhattacharjee, BBianchi, ABianchi, L2019-10-01Inclusive J/ψ production is studied in minimum-bias proton-proton collisions at a centre-of-mass energy of s$$ \sqrt{s} $$ = 5.02 TeV by ALICE at the CERN LHC. The measurement is performed at mid-rapidity (|y| < 0.9) in the dielectron decay channel down to zero transverse momentum pT, using a data sample corresponding to an integrated luminosity of Lint = 19.4 ± 0.4 nb−1. The measured pT-integrated inclusive J/ψ production cross sec- tion is dσ/dy = 5.64 ± 0.22(stat.) ± 0.33(syst.) ± 0.12(lumi.) μb. The pT-differential cross section d2σ/dpTdy is measured in the pT range 0–10 GeV/c and compared with state-of- the-art QCD calculations. The J/ψ 〈pT〉 and pT2$$ \left\langle {p}_{\mathrm{T}}^2\right\rangle $$ are extracted and compared with results obtained at other collision energies.5106 Nuclear and Plasma Physics (for-2020)5107 Particle and High Energy Physics (for-2020)4902 Mathematical Physics (for-2020)49 Mathematical Sciences (for-2020)51 Physical Sciences (for-2020)Heavy Ion Experiments0105 Mathematical Physics (for)0202 AtomicMolecularNuclearParticle and Plasma Physics (for)0206 Quantum Physics (for)Nuclear & Particles Physics (science-metrix)4902 Mathematical physics (for-2020)5106 Nuclear and plasma physics (for-2020)5107 Particle and high energy physics (for-2020)application/pdfpubliceScholarship, University of Californiahttps://escholarship.org/uc/item/8zz8v32mhttps://escholarship.org/content/qt8zz8v32m/qt8zz8v32m.pdfinfo:doi/10.1007/jhep10(2019)084articleJournal of High Energy Physics, vol 2019, iss 1084oai:escholarship.org:ark:/13030/qt6112481j2026-04-04T17:06:05Zqt6112481jFront Matter2026-04-02application/pdfCC-BY-NCeScholarship, University of Californiahttps://escholarship.org/uc/item/6112481jhttps://escholarship.org/content/qt6112481j/qt6112481j.pdfinfo:doi/10.17953/A3.64337articleAmerican Indian Culture and Research Journal , vol 49, iss 1oai:escholarship.org:ark:/13030/qt1f69h4tk2026-04-04T17:05:35Zqt1f69h4tkDielectron production in proton-proton collisions at s=7 TeVThe ALICE collaborationAcharya, SAcosta, F T-Adamová, DAdolfsson, JAggarwal, MMAglieri Rinella, GAgnello, MAgrawal, NAhammed, ZAhn, SUAiola, SAkindinov, AAl-Turany, MAlam, SNAlbuquerque, DSDAleksandrov, DAlessandro, BAlfaro Molina, RAli, YAlici, AAlkin, AAlme, JAlt, TAltenkamper, LAltsybeev, IAnaam, MNAndrei, CAndreou, DAndrews, HAAndronic, AAngeletti, MAnguelov, VAnson, CAntičić, TAntinori, FAntonioli, PAnwar, RApadula, NAphecetche, LAppelshäuser, HArcelli, SArnaldi, RArnold, OWArsene, ICArslandok, MAudurier, BAugustinus, AAverbeck, RAzmi, MDBadalà, ABaek, YWBagnasco, SBailhache, RBala, RBaldisseri, ABall, MBaral, RCBarbano, AMBarbera, RBarile, FBarioglio, LBarnaföldi, GGBarnby, LSBarret, VBartalini, PBarth, KBartsch, EBastid, NBasu, SBatigne, GBatyunya, BBatzing, PCBazo Alba, JLBearden, IGBeck, HBedda, CBehera, NKBelikov, IBellini, FBello Martinez, HBellwied, RBeltran, LGEBelyaev, VBencedi, GBeole, SBercuci, ABerdnikov, YBerenyi, DBertens, RABerzano, DBetev, LBhaduri, PPBhasin, ABhat, IRBhatt, HBhattacharjee, BBhom, JBianchi, ABianchi, L2018-09-01The first measurement of e+e− pair production at mid-rapidity (|ηe| < 0.8) in pp collisions at s=7$$ \sqrt{s}=7 $$ TeV with ALICE at the LHC is presented. The dielectron production is studied as a function of the invariant mass (mee < 3.3 GeV/c2), the pair transverse momentum (pT,ee < 8 GeV/c), and the pair transverse impact parameter (DCAee), i.e., the average distance of closest approach of the reconstructed electron and positron tracks to the collision vertex, normalised to its resolution. The results are compared with the expectations from a cocktail of known hadronic sources and are well described when PYTHIA is used to generate the heavy-flavour contributions. In the low-mass region (0.14 < mee < 1.1 GeV/c2), prompt and non-prompt e+e− sources can be separated via the DCAee. In the intermediate-mass region (1.1 < mee < 2.7 GeV/c2), a double-differential fit to the data in mee and pT,ee and a fit of the DCAee distribution allow the total cc¯$$ \mathrm{c}\overline{\mathrm{c}} $$ and bb¯$$ \mathrm{b}\overline{\mathrm{b}} $$ cross sections to be extracted. Two different event generators, PYTHIA and POWHEG, can reproduce the shape of the two-dimensional mee and pT,ee spectra, as well as the shape of the DCAee distribution, reasonably well. However, differences in the cc¯$$ \mathrm{c}\overline{\mathrm{c}} $$ and bb¯$$ \mathrm{b}\overline{\mathrm{b}} $$ cross sections are observed when using the generators to extrapolate to full phase space. Finally, the ratio of inclusive to decay photons is studied via the measurement of virtual direct photons in the transverse-momentum range 1 < pT < 8 GeV/c. This is found to be unity within the statistical and systematic uncertainties and consistent with expectations from next-to-leading order perturbative quantum chromodynamic calculations.5106 Nuclear and Plasma Physics (for-2020)5107 Particle and High Energy Physics (for-2020)4902 Mathematical Physics (for-2020)49 Mathematical Sciences (for-2020)51 Physical Sciences (for-2020)Heavy Ion Experiments0105 Mathematical Physics (for)0202 AtomicMolecularNuclearParticle and Plasma Physics (for)0206 Quantum Physics (for)Nuclear & Particles Physics (science-metrix)4902 Mathematical physics (for-2020)5106 Nuclear and plasma physics (for-2020)5107 Particle and high energy physics (for-2020)application/pdfpubliceScholarship, University of Californiahttps://escholarship.org/uc/item/1f69h4tkhttps://escholarship.org/content/qt1f69h4tk/qt1f69h4tk.pdfinfo:doi/10.1007/jhep09(2018)064articleJournal of High Energy Physics, vol 2018, iss 964oai:escholarship.org:ark:/13030/qt4kp2p54p2026-04-04T17:05:25Zqt4kp2p54pAnisotropic flow of identified particles in Pb-Pb collisions at sNN=5.02 TeVThe ALICE collaborationAcharya, SAcosta, F T-Adamová, DAdolfsson, JAggarwal, MMAglieri Rinella, GAgnello, MAgrawal, NAhammed, ZAhn, SUAiola, SAkindinov, AAl-Turany, MAlam, SNAlbuquerque, DSDAleksandrov, DAlessandro, BAlfaro Molina, RAli, YAlici, AAlkin, AAlme, JAlt, TAltenkamper, LAltsybeev, IAnaam, MNAndrei, CAndreou, DAndrews, HAAndronic, AAngeletti, MAnguelov, VAnson, CAntičić, TAntinori, FAntonioli, PAnwar, RApadula, NAphecetche, LAppelshäuser, HArcelli, SArnaldi, RArnold, OWArsene, ICArslandok, MAudurier, BAugustinus, AAverbeck, RAzmi, MDBadalà, ABaek, YWBagnasco, SBailhache, RBala, RBaldisseri, ABall, MBaral, RCBarbano, AMBarbera, RBarile, FBarioglio, LBarnaföldi, GGBarnby, LSBarret, VBartalini, PBarth, KBartsch, EBastid, NBasu, SBatigne, GBatyunya, BBatzing, PCBazo Alba, JLBearden, IGBeck, HBedda, CBehera, NKBelikov, IBellini, FBello Martinez, HBellwied, RBeltran, LGEBelyaev, VBencedi, GBeole, SBercuci, ABerdnikov, YBerenyi, DBertens, RABerzano, DBetev, LBhaduri, PPBhasin, ABhat, IRBhatt, HBhattacharjee, BBhom, JBianchi, ABianchi, L2018-09-01The elliptic (v2), triangular (v3), and quadrangular (v4) flow coefficients of π±, K±, p+p¯,Λ+Λ¯,KS0$$ \mathrm{p}+\overline{\mathrm{p}},\kern0.5em \Lambda +\overline{\Lambda},\kern0.5em {\mathrm{K}}_{\mathrm{S}}^0 $$, and the ϕ-meson are measured in Pb-Pb collisions at sNN=5.02$$ {\sqrt{s}}_{\mathrm{NN}}=5.02 $$ TeV. Results obtained with the scalar product method are reported for the rapidity range |y| < 0.5 as a function of transverse momentum, pT, at different collision centrality intervals between 0–70%, including ultra-central (0–1%) collisions for π±, K±, and p+p¯$$ \mathrm{p}+\overline{\mathrm{p}} $$. For pT< 3 GeV/c, the flow coefficients exhibit a particle mass dependence. At intermediate transverse momenta (3 < pT < 8–10 GeV/c), particles show an approximate grouping according to their type (i.e., mesons and baryons). The ϕ-meson v2, which tests both particle mass dependence and type scaling, follows p+p¯$$ \mathrm{p}+\overline{\mathrm{p}} $$v2 at low pT and π±v2 at intermediate pT. The evolution of the shape of vn(pT) as a function of centrality and harmonic number n is studied for the various particle species. Flow coefficients of π±, K±, and p+p¯$$ \mathrm{p}+\overline{\mathrm{p}} $$ for pT < 3 GeV/c are compared to iEBE-VISHNU and MUSIC hydrodynamical calculations coupled to a hadronic cascade model (UrQMD). The iEBE-VISHNU calculations describe the results fairly well for pT < 2.5 GeV/c, while MUSIC calculations reproduce the measurements for pT < 1 GeV/c. A comparison to vn coefficients measured in Pb-Pb collisions at sNN=2.76$$ \sqrt{s_{\mathrm{NN}}}=2.76 $$ TeV is also provided.5106 Nuclear and Plasma Physics (for-2020)5107 Particle and High Energy Physics (for-2020)4902 Mathematical Physics (for-2020)49 Mathematical Sciences (for-2020)51 Physical Sciences (for-2020)Heavy Ion Experiments0105 Mathematical Physics (for)0202 AtomicMolecularNuclearParticle and Plasma Physics (for)0206 Quantum Physics (for)Nuclear & Particles Physics (science-metrix)4902 Mathematical physics (for-2020)5106 Nuclear and plasma physics (for-2020)5107 Particle and high energy physics (for-2020)application/pdfpubliceScholarship, University of Californiahttps://escholarship.org/uc/item/4kp2p54phttps://escholarship.org/content/qt4kp2p54p/qt4kp2p54p.pdfinfo:doi/10.1007/jhep09(2018)006articleJournal of High Energy Physics, vol 2018, iss 96oai:escholarship.org:ark:/13030/qt7ss2f6pg2026-04-04T17:05:17Zqt7ss2f6pgϕ meson production at forward rapidity in Pb–Pb collisions at sNN=2.76 TeVAcharya, SAcosta, F-TAdamová, DAdolfsson, JAggarwal, MMAglieri Rinella, GAgnello, MAgrawal, NAhammed, ZAhn, SUAiola, SAkindinov, AAl-Turany, MAlam, SNAlbuquerque, DSDAleksandrov, DAlessandro, BAlfaro Molina, RAli, YAlici, AAlkin, AAlme, JAlt, TAltenkamper, LAltsybeev, IAndrei, CAndreou, DAndrews, HAAndronic, AAngeletti, MAnguelov, VAnson, CAntičić, TAntinori, FAntonioli, PApadula, NAphecetche, LAppelshäuser, HArcelli, SArnaldi, RArnold, OWArsene, ICArslandok, MAudurier, BAugustinus, AAverbeck, RAzmi, MDBadalà, ABaek, YWBagnasco, SBailhache, RBala, RBaldisseri, ABall, MBaral, RCBarbano, AMBarbera, RBarile, FBarioglio, LBarnaföldi, GGBarnby, LSBarret, VBartalini, PBarth, KBartsch, EBastid, NBasu, SBatigne, GBatyunya, BBatzing, PCBazo Alba, JLBearden, IGBeck, HBedda, CBehera, NKBelikov, IBellini, FBello Martinez, HBellwied, RBeltran, LGEBelyaev, VBencedi, GBeole, SBercuci, ABerdnikov, YBerenyi, DBertens, RABerzano, DBetev, LBhaduri, PPBhasin, ABhat, IRBhattacharjee, BBhom, JBianchi, ABianchi, LBianchi, NBianchin, CBielčík, JBielčíková, J2018-07-01Abstractϕ$$\phi $$ meson measurements provide insight into strangeness production, which is one of the key observables for the hot medium formed in high-energy heavy-ion collisions. ALICE measured ϕ$$\phi $$ production through its decay in muon pairs in Pb–Pb collisions at sNN=2.76$$\sqrt{s_\mathrm {NN}} = 2.76$$ TeV in the intermediate transverse momentum range 25106 Nuclear and Plasma Physics (for-2020)5107 Particle and High Energy Physics (for-2020)5110 Synchrotrons and Accelerators (for-2020)51 Physical Sciences (for-2020)0202 AtomicMolecularNuclearParticle and Plasma Physics (for)0206 Quantum Physics (for)Nuclear & Particles Physics (science-metrix)5101 Astronomical sciences (for-2020)5102 Atomicmolecular and optical physics (for-2020)5107 Particle and high energy physics (for-2020)application/pdfpubliceScholarship, University of Californiahttps://escholarship.org/uc/item/7ss2f6pghttps://escholarship.org/content/qt7ss2f6pg/qt7ss2f6pg.pdfinfo:doi/10.1140/epjc/s10052-018-6034-3articleEuropean Physical Journal C, vol 78, iss 7559oai:escholarship.org:ark:/13030/qt5q04m7cg2026-04-04T17:05:11Zqt5q04m7cgPrompt and non-prompt J/ψ production and nuclear modification at mid-rapidity in p–Pb collisions at sNN=5.02 TeVAcharya, SAcosta, FTAdamová, DAdolfsson, JAggarwal, MMAglieri Rinella, GAgnello, MAgrawal, NAhammed, ZAhn, SUAiola, SAkindinov, AAl-Turany, MAlam, SNAlbuquerque, DSDAleksandrov, DAlessandro, BAlfaro Molina, RAli, YAlici, AAlkin, AAlme, JAlt, TAltenkamper, LAltsybeev, IAndrei, CAndreou, DAndrews, HAAndronic, AAngeletti, MAnguelov, VAnson, CAntičić, TAntinori, FAntonioli, PApadula, NAphecetche, LAppelshäuser, HArcelli, SArnaldi, RArnold, OWArsene, ICArslandok, MAudurier, BAugustinus, AAverbeck, RAzmi, MDBadalà, ABaek, YWBagnasco, SBailhache, RBala, RBaldisseri, ABall, MBaral, RCBarbano, AMBarbera, RBarile, FBarioglio, LBarnaföldi, GGBarnby, LSBarret, VBartalini, PBarth, KBartsch, EBastid, NBasu, SBatigne, GBatyunya, BBatzing, PCBazo Alba, JLBearden, IGBeck, HBedda, CBehera, NKBelikov, IBellini, FBello Martinez, HBellwied, RBeltran, LGEBelyaev, VBencedi, GBeole, SBercuci, ABerdnikov, YBerenyi, DBertens, RABerzano, DBetev, LBhaduri, PPBhasin, ABhat, IRBhattacharjee, BBhom, JBianchi, ABianchi, LBianchi, NBielčík, JBielčíková, JBilandzic, A2018-06-01A measurement of beauty hadron production at mid-rapidity in proton-lead collisions at a nucleon–nucleon centre-of-mass energy sNN=5.02$$\sqrt{s_\text {NN}}=5.02$$ TeV is presented. The semi-inclusive decay channel of beauty hadrons into J/ψ$$\hbox {J}/\psi $$ is considered, where the J/ψ$$\hbox {J}/\psi $$ mesons are reconstructed in the dielectron decay channel at mid-rapidity down to transverse momenta of 1.3 GeV/c. The bb¯$$\hbox {b}\bar{\hbox {b}}$$ production cross section at mid-rapidity, dσbb¯/dy$$\hbox {d}\sigma _{\hbox {b}\bar{\hbox {b}}}/\hbox {d}y$$, and the total cross section extrapolated over full phase space, σbb¯$$\sigma _{\text {b}\bar{\text {b}}}$$, are obtained. This measurement is combined with results on inclusive J/ψ$$\hbox {J}/\psi $$ production to determine the prompt J/ψ$$\hbox {J}/\psi $$ cross sections. The results in p–Pb collisions are then scaled to expectations from pp collisions at the same centre-of-mass energy to derive the nuclear modification factor RpPb$$R_{\text {pPb}}$$, and compared to models to study possible nuclear modifications of the production induced by cold nuclear matter effects. RpPb$$R_{\text {pPb}}$$ is found to be smaller than unity at low pT$$p_{\mathrm{T}}$$ for both J/ψ$$\hbox {J}/\psi $$ coming from beauty hadron decays and prompt J/ψ$$\hbox {J}/\psi $$.5106 Nuclear and Plasma Physics (for-2020)5107 Particle and High Energy Physics (for-2020)5110 Synchrotrons and Accelerators (for-2020)51 Physical Sciences (for-2020)7 Affordable and Clean Energy (sdg)0202 AtomicMolecularNuclearParticle and Plasma Physics (for)0206 Quantum Physics (for)Nuclear & Particles Physics (science-metrix)5101 Astronomical sciences (for-2020)5102 Atomicmolecular and optical physics (for-2020)5107 Particle and high energy physics (for-2020)application/pdfpubliceScholarship, University of Californiahttps://escholarship.org/uc/item/5q04m7cghttps://escholarship.org/content/qt5q04m7cg/qt5q04m7cg.pdfinfo:doi/10.1140/epjc/s10052-018-5881-2articleEuropean Physical Journal C, vol 78, iss 6466oai:escholarship.org:ark:/13030/qt8sk9c2852026-04-04T17:05:05Zqt8sk9c285Differential studies of inclusive J/ψ and ψ(2S) production at forward rapidity in Pb-Pb collisions at sNN=2.76 TeVThe ALICE collaborationAdam, JAdamová, DAggarwal, MMAglieri Rinella, GAgnello, MAgrawal, NAhammed, ZAhn, SUAimo, IAiola, SAjaz, MAkindinov, AAlam, SNAleksandrov, DAlessandro, BAlexandre, DAlfaro Molina, RAlici, AAlkin, AAlmaraz, JRMAlme, JAlt, TAltinpinar, SAltsybeev, IAlves Garcia Prado, CAndrei, CAndronic, AAnguelov, VAnielski, JAntičić, TAntinori, FAntonioli, PAphecetche, LAppelshäuser, HArcelli, SArmesto, NArnaldi, RArsene, ICArslandok, MAudurier, BAugustinus, AAverbeck, RAzmi, MDBach, MBadalà, ABaek, YWBagnasco, SBailhache, RBala, RBaldisseri, ABaltasar Dos Santos Pedrosa, FBaral, RCBarbano, AMBarbera, RBarile, FBarnaföldi, GGBarnby, LSBarret, VBartalini, PBarth, KBartke, JBartsch, EBasile, MBastid, NBasu, SBathen, BBatigne, GBatista Camejo, ABatyunya, BBatzing, PCBearden, IGBeck, HBedda, CBehera, NKBelikov, IBellini, FBello Martinez, HBellwied, RBelmont, RBelmont-Moreno, EBelyaev, VBencedi, GBeole, SBerceanu, IBercuci, ABerdnikov, YBerenyi, DBertens, RABerzano, DBetev, LBhasin, ABhat, IRBhati, AKBhattacharjee, BBhom, JBianchi, LBianchi, NBianchin, CBielčík, J2016-05-01The production of J/ψ and ψ(2S) was studied with the ALICE detector in Pb-Pb collisions at the LHC. The measurement was performed at forward rapidity (2.5 < y < 4) down to zero transverse momentum (pt) in the dimuon decay channel. Inclusive J/ψ yields were extracted in different centrality classes and the centrality dependence of the average pt is presented. The J/ψ suppression, quantified with the nuclear modification factor (RAA), was measured as a function of centrality, transverse momentum and rapidity. Comparisons with similar measurements at lower collision energy and theoretical models indicate that the J/ψ production is the result of an interplay between color screening and recombination mechanisms in a deconfined partonic medium, or at its hadronization. Results on the ψ(2S) suppression are provided via the ratio of ψ(2S) over J/ψ measured in pp and Pb-Pb collisions.5106 Nuclear and Plasma Physics (for-2020)5107 Particle and High Energy Physics (for-2020)51 Physical Sciences (for-2020)Heavy Ion ExperimentsQuark gluon plasma0105 Mathematical Physics (for)0202 AtomicMolecularNuclearParticle and Plasma Physics (for)0206 Quantum Physics (for)Nuclear & Particles Physics (science-metrix)4902 Mathematical physics (for-2020)5106 Nuclear and plasma physics (for-2020)5107 Particle and high energy physics (for-2020)application/pdfpubliceScholarship, University of Californiahttps://escholarship.org/uc/item/8sk9c285https://escholarship.org/content/qt8sk9c285/qt8sk9c285.pdfinfo:doi/10.1007/jhep05(2016)179articleJournal of High Energy Physics, vol 2016, iss 5179oai:escholarship.org:ark:/13030/qt7rs1t0022026-04-04T17:04:59Zqt7rs1t002Measurement of Ds+ production and nuclear modification factor in Pb-Pb collisions at sNN=2.76 TeVThe ALICE collaborationAdam, JAdamová, DAggarwal, MMAglieri Rinella, GAgnello, MAgrawal, NAhammed, ZAhn, SUAiola, SAkindinov, AAlam, SNAleksandrov, DAlessandro, BAlexandre, DAlfaro Molina, RAlici, AAlkin, AAlmaraz, JRMAlme, JAlt, TAltinpinar, SAltsybeev, IAlves Garcia Prado, CAndrei, CAndronic, AAnguelov, VAnielski, JAntičić, TAntinori, FAntonioli, PAphecetche, LAppelshäuser, HArcelli, SArnaldi, RArnold, OWArsene, ICArslandok, MAudurier, BAugustinus, AAverbeck, RAzmi, MDBadalà, ABaek, YWBagnasco, SBailhache, RBala, RBaldisseri, ABaral, RCBarbano, AMBarbera, RBarile, FBarnaföldi, GGBarnby, LSBarret, VBartalini, PBarth, KBartke, JBartsch, EBasile, MBastid, NBasu, SBathen, BBatigne, GBatista Camejo, ABatyunya, BBatzing, PCBearden, IGBeck, HBedda, CBehera, NKBelikov, IBellini, FBello Martinez, HBellwied, RBelmont, RBelmont-Moreno, EBelyaev, VBencedi, GBeole, SBerceanu, IBercuci, ABerdnikov, YBerenyi, DBertens, RABerzano, DBetev, LBhasin, ABhat, IRBhati, AKBhattacharjee, BBhom, JBianchi, LBianchi, NBianchin, CBielčík, JBielčíková, JBilandzic, ABiswas, RBiswas, S2016-03-01The production of prompt Ds+ mesons was measured for the first time in collisions of heavy nuclei with the ALICE detector at the LHC. The analysis was performed on a data sample of Pb-Pb collisions at a centre-of-mass energy per nucleon pair, sNN$$ \sqrt{s_{\mathrm{NN}}} $$, of 2.76 TeV in two different centrality classes, namely 0–10% and 20–50%. Ds+ mesons and their antiparticles were reconstructed at mid-rapidity from their hadronic decay channel Ds+ → ϕπ+, with ϕ → K−K+, in the transverse momentum intervals 4 < pT < 12GeV/c and 6 < pT < 12 GeV/c for the 0–10% and 20–50% centrality classes, respectively. The nuclear modification factor RAA was computed by comparing the pT-differential production yields in Pb-Pb collisions to those in proton-proton (pp) collisions at the same energy. This pp reference was obtained using the cross section measured at s=7$$ \sqrt{s}=7 $$ TeV and scaled to s=2.76$$ \sqrt{s}=2.76 $$ TeV. The RAA of Ds+ mesons was compared to that of non-strange D mesons in the 10% most central Pb-Pb collisions. At high pT (8 < pT < 12 GeV/c) a suppression of the Ds+-meson yield by a factor of about three, compatible within uncertainties with that of non-strange D mesons, is observed. At lower pT (4 < pT < 8 GeV/c) the values of the Ds+-meson RAA are larger than those of non-strange D mesons, although compatible within uncertainties. The production ratios Ds+/D0 and Ds+/D+ were also measured in Pb-Pb collisions and compared to their values in proton-proton collisions.5106 Nuclear and Plasma Physics (for-2020)5107 Particle and High Energy Physics (for-2020)51 Physical Sciences (for-2020)Hadron-Hadron scatteringHeavy ion ExperimentsQuark gluon plasma0105 Mathematical Physics (for)0202 AtomicMolecularNuclearParticle and Plasma Physics (for)0206 Quantum Physics (for)Nuclear & Particles Physics (science-metrix)4902 Mathematical physics (for-2020)5106 Nuclear and plasma physics (for-2020)5107 Particle and high energy physics (for-2020)application/pdfpubliceScholarship, University of Californiahttps://escholarship.org/uc/item/7rs1t002https://escholarship.org/content/qt7rs1t002/qt7rs1t002.pdfinfo:doi/10.1007/jhep03(2016)082articleJournal of High Energy Physics, vol 2016, iss 382oai:escholarship.org:ark:/13030/qt34z2m8jn2026-04-04T17:01:54Zqt34z2m8jnMultiplicity and transverse momentum evolution of charge-dependent correlations in pp, p–Pb, and Pb–Pb collisions at the LHCALICE CollaborationAdam, JAdamová, DAggarwal, MMAglieri Rinella, GAgnello, MAgrawal, NAhammed, ZAhn, SUAiola, SAkindinov, AAlam, SNAleksandrov, DAlessandro, BAlexandre, DAlfaro Molina, RAlici, AAlkin, AAlmaraz, JRMAlme, JAlt, TAltinpinar, SAltsybeev, IAlves Garcia Prado, CAndrei, CAndronic, AAnguelov, VAnielski, JAntičić, TAntinori, FAntonioli, PAphecetche, LAppelshäuser, HArcelli, SArnaldi, RArnold, OWArsene, ICArslandok, MAudurier, BAugustinus, AAverbeck, RAzmi, MDBadalà, ABaek, YWBagnasco, SBailhache, RBala, RBaldisseri, ABaral, RCBarbano, AMBarbera, RBarile, FBarnaföldi, GGBarnby, LSBarret, VBartalini, PBarth, KBartke, JBartsch, EBasile, MBastid, NBasu, SBathen, BBatigne, GBatista Camejo, ABatyunya, BBatzing, PCBearden, IGBeck, HBedda, CBehera, NKBelikov, IBellini, FBello Martinez, HBellwied, RBelmont, RBelmont-Moreno, EBelyaev, VBencedi, GBeole, SBerceanu, IBercuci, ABerdnikov, YBerenyi, DBertens, RABerzano, DBetev, LBhasin, ABhat, IRBhati, AKBhattacharjee, BBhom, JBianchi, LBianchi, NBianchin, CBielčík, JBielčíková, JBilandzic, ABiswas, RBiswas, S2016-02-01We report on two-particle charge-dependent correlations in pp, p–Pb, and Pb–Pb collisions as a function of the pseudorapidity and azimuthal angle difference, Δη$$\Delta \eta $$ and Δφ$$\Delta \varphi $$ respectively. These correlations are studied using the balance function that probes the charge creation time and the development of collectivity in the produced system. The dependence of the balance function on the event multiplicity as well as on the trigger and associated particle transverse momentum (pT$$p_{{\mathrm {T}}}$$) in pp, p–Pb, and Pb–Pb collisions at sNN=$$\sqrt{s_{\mathrm {NN}}}=$$ 7, 5.02, and 2.76 TeV, respectively, are presented. In the low transverse momentum region, for 0.25106 Nuclear and Plasma Physics (for-2020)5107 Particle and High Energy Physics (for-2020)51 Physical Sciences (for-2020)ALICE Collaboration0202 AtomicMolecularNuclearParticle and Plasma Physics (for)0206 Quantum Physics (for)Nuclear & Particles Physics (science-metrix)5101 Astronomical sciences (for-2020)5102 Atomicmolecular and optical physics (for-2020)5107 Particle and high energy physics (for-2020)application/pdfpubliceScholarship, University of Californiahttps://escholarship.org/uc/item/34z2m8jnhttps://escholarship.org/content/qt34z2m8jn/qt34z2m8jn.pdfinfo:doi/10.1140/epjc/s10052-016-3915-1articleEuropean Physical Journal C, vol 76, iss 286oai:escholarship.org:ark:/13030/qt5848d08n2026-04-04T17:01:33Zqt5848d08nCentrality dependence of high-pT D meson suppression in Pb-Pb collisions at sNN=2.76 TeVThe ALICE collaborationAdam, JAdamová, DAggarwal, MMAglieri Rinella, GAgnello, MAgrawal, NAhammed, ZAhn, SUAimo, IAiola, SAjaz, MAkindinov, AAlam, SNAleksandrov, DAlessandro, BAlexandre, DAlfaro Molina, RAlici, AAlkin, AAlmaraz, JRMAlme, JAlt, TAltinpinar, SAltsybeev, IAlves Garcia Prado, CAndrei, CAndronic, AAnguelov, VAnielski, JAntičić, TAntinori, FAntonioli, PAphecetche, LAppelshäuser, HArcelli, SArmesto, NArnaldi, RArsene, ICArslandok, MAudurier, BAugustinus, AAverbeck, RAzmi, MDBach, MBadalà, ABaek, YWBagnasco, SBailhache, RBala, RBaldisseri, ABaltasar Dos Santos Pedrosa, FBaral, RCBarbano, AMBarbera, RBarile, FBarnaföldi, GGBarnby, LSBarret, VBartalini, PBarth, KBartke, JBartsch, EBasile, MBastid, NBasu, SBathen, BBatigne, GBatista Camejo, ABatyunya, BBatzing, PCBearden, IGBeck, HBedda, CBehera, NKBelikov, IBellini, FBello Martinez, HBellwied, RBelmont, RBelmont-Moreno, EBelyaev, VBencedi, GBeole, SBerceanu, IBercuci, ABerdnikov, YBerenyi, DBertens, RABerzano, DBetev, LBhasin, ABhat, IRBhati, AKBhattacharjee, BBhom, JBianchi, LBianchi, NBianchin, CBielčík, J2015-11-01The nuclear modification factor, RAA, of the prompt charmed mesons D0, D+ and D∗+, and their antiparticles, was measured with the ALICE detector in Pb-Pb collisions at a centre-of-mass energy sNN=2.76$$ \sqrt{s_{\mathrm{N}\;\mathrm{N}}}=2.76 $$ TeV in two transverse momentum intervals, 5 < pT< 8 GeV/c and 8 < pT< 16 GeV/c, and in six collision centrality classes. The RAA shows a maximum suppression of a factor of 5-6 in the 10% most central collisions. The suppression and its centrality dependence are compatible within uncertainties with those of charged pions. A comparison with the RAA of non-prompt J/ψ from B meson decays, measured by the CMS Collaboration, hints at a larger suppression of D mesons in the most central collisions.5106 Nuclear and Plasma Physics (for-2020)5107 Particle and High Energy Physics (for-2020)4902 Mathematical Physics (for-2020)49 Mathematical Sciences (for-2020)51 Physical Sciences (for-2020)Charm physicsHeavy IonsHeavy-ion collision0105 Mathematical Physics (for)0202 AtomicMolecularNuclearParticle and Plasma Physics (for)0206 Quantum Physics (for)Nuclear & Particles Physics (science-metrix)4902 Mathematical physics (for-2020)5106 Nuclear and plasma physics (for-2020)5107 Particle and high energy physics (for-2020)application/pdfpubliceScholarship, University of Californiahttps://escholarship.org/uc/item/5848d08nhttps://escholarship.org/content/qt5848d08n/qt5848d08n.pdfinfo:doi/10.1007/jhep11(2015)205articleJournal of High Energy Physics, vol 2015, iss 11205oai:escholarship.org:ark:/13030/qt68n4j65r2026-04-04T17:01:27Zqt68n4j65rCentrality dependence of inclusive J/ψ production in p-Pb collisions at sNN=5.02 TeVThe ALICE collaborationAdam, JAdamová, DAggarwal, MMAglieri Rinella, GAgnello, MAgrawal, NAhammed, ZAhn, SUAimo, IAiola, SAjaz, MAkindinov, AAlam, SNAleksandrov, DAlessandro, BAlexandre, DAlfaro Molina, RAlici, AAlkin, AAlmaraz, JRMAlme, JAlt, TAltinpinar, SAltsybeev, IAlves Garcia Prado, CAndrei, CAndronic, AAnguelov, VAnielski, JAntičić, TAntinori, FAntonioli, PAphecetche, LAppelshäuser, HArcelli, SArmesto, NArnaldi, RArsene, ICArslandok, MAudurier, BAugustinus, AAverbeck, RAzmi, MDBach, MBadalà, ABaek, YWBagnasco, SBailhache, RBala, RBaldisseri, ABaltasar Dos Santos Pedrosa, FBaral, RCBarbano, AMBarbera, RBarile, FBarnaföldi, GGBarnby, LSBarret, VBartalini, PBarth, KBartke, JBartsch, EBasile, MBastid, NBasu, SBathen, BBatigne, GBatista Camejo, ABatyunya, BBatzing, PCBearden, IGBeck, HBedda, CBehera, NKBelikov, IBellini, FBello Martinez, HBellwied, RBelmont, RBelmont-Moreno, EBelyaev, VBencedi, GBeole, SBerceanu, IBercuci, ABerdnikov, YBerenyi, DBertens, RABerzano, DBetev, LBhasin, ABhat, IRBhati, AKBhattacharjee, BBhom, JBianchi, LBianchi, NBianchin, CBielčík, J2015-11-01We present a measurement of inclusive J/ψ production in p-Pb collisions at sNN=5.02$$ \sqrt{s_{\mathrm{NN}}}=5.02 $$ TeV as a function of the centrality of the collision, as estimated from the energy deposited in the Zero Degree Calorimeters. The measurement is performed with the ALICE detector down to zero transverse momentum, pT, in the backward (−4.46 < ycms< −2.96) and forward (2.03 < ycms< 3.53) rapidity intervals in the dimuon decay channel and in the mid-rapidity region (−1.37 < ycms< 0.43) in the dielectron decay channel. The backward and forward rapidity intervals correspond to the Pb-going and p-going direction, respectively. The pT-differential J/ψ production cross section at backward and forward rapidity is measured for several centrality classes, together with the corresponding average pT and pT2 values. The nuclear modification factor is presented as a function of centrality for the three rapidity intervals, and as a function of pT for several centrality classes at backward and forward rapidity. At mid- and forward rapidity, the J/ψ yield is suppressed up to 40% compared to that in pp interactions scaled by the number of binary collisions. The degree of suppression increases towards central p-Pb collisions at forward rapidity, and with decreasing pT of the J/ψ. At backward rapidity, the nuclear modification factor is compatible with unity within the total uncertainties, with an increasing trend from peripheral to central p-Pb collisions.5106 Nuclear and Plasma Physics (for-2020)5107 Particle and High Energy Physics (for-2020)51 Physical Sciences (for-2020)Quark gluon plasmaQCDHeavy Ions0105 Mathematical Physics (for)0202 AtomicMolecularNuclearParticle and Plasma Physics (for)0206 Quantum Physics (for)Nuclear & Particles Physics (science-metrix)4902 Mathematical physics (for-2020)5106 Nuclear and plasma physics (for-2020)5107 Particle and high energy physics (for-2020)application/pdfpubliceScholarship, University of Californiahttps://escholarship.org/uc/item/68n4j65rhttps://escholarship.org/content/qt68n4j65r/qt68n4j65r.pdfinfo:doi/10.1007/jhep11(2015)127articleJournal of High Energy Physics, vol 2015, iss 11127oai:escholarship.org:ark:/13030/qt6f3183h72026-04-04T17:01:18Zqt6f3183h7Measurement of pion, kaon and proton production in proton–proton collisions at s=7 TeVAdam, JAdamová, DAggarwal, MMRinella, G AglieriAgnello, MAgrawal, NAhammed, ZAhmed, IAhn, SUAimo, IAiola, SAjaz, MAkindinov, AAlam, SNAleksandrov, DAlessandro, BAlexandre, DMolina, R AlfaroAlici, AAlkin, AAlme, JAlt, TAltinpinar, SAltsybeev, IPrado, C Alves GarciaAndrei, CAndronic, AAnguelov, VAnielski, JAntičić, TAntinori, FAntonioli, PAphecetche, LAppelshäuser, HArcelli, SArmesto, NArnaldi, RAronsson, TArsene, ICArslandok, MAugustinus, AAverbeck, RAzmi, MDBach, MBadalà, ABaek, YWBagnasco, SBailhache, RBala, RBaldisseri, ABall, MPedrosa, F Baltasar Dos SantosBaral, RCBarbano, AMBarbera, RBarile, FBarnaföldi, GGBarnby, LSBarret, VBartalini, PBartke, JBartsch, EBasile, MBastid, NBasu, SBathen, BBatigne, GCamejo, A BatistaBatyunya, BBatzing, PCBearden, IGBeck, HBedda, CBehera, NKBelikov, IBellini, FMartinez, H BelloBellwied, RBelmont, RBelmont-Moreno, EBelyaev, VBencedi, GBeole, SBerceanu, IBercuci, ABerdnikov, YBerenyi, DBertens, RABerzano, DBetev, LBhasin, ABhat, IRBhati, AKBhattacharjee, BBhom, JBianchi, LBianchi, NBianchin, CBielčík, JBielčíková, J2015-05-01The measurement of primary π±$$\pi ^{\pm }$$, K±$$K^{\pm }$$, p$$p$$ and p¯$${\overline{{p}}}$$ production at mid-rapidity (|y|<$$|y| <$$ 0.5) in proton–proton collisions at s$$\sqrt{s}$$=$$=$$ 7 TeV performed with a large ion collider experiment at the large hadron collider (LHC) is reported. Particle identification is performed using the specific ionisation energy-loss and time-of-flight information, the ring-imaging Cherenkov technique and the kink-topology identification of weak decays of charged kaons. Transverse momentum spectra are measured from 0.1 up to 3 GeV/c$$c$$ for pions, from 0.2 up to 6 GeV/c$$c$$ for kaons and from 0.3 up to 6 GeV/c$$c$$ for protons. The measured spectra and particle ratios are compared with quantum chromodynamics-inspired models, tuned to reproduce also the earlier measurements performed at the LHC. Furthermore, the integrated particle yields and ratios as well as the average transverse momenta are compared with results at lower collision energies.5106 Nuclear and Plasma Physics (for-2020)5107 Particle and High Energy Physics (for-2020)51 Physical Sciences (for-2020)ALICE Collaboration0202 AtomicMolecularNuclearParticle and Plasma Physics (for)0206 Quantum Physics (for)Nuclear & Particles Physics (science-metrix)5101 Astronomical sciences (for-2020)5102 Atomicmolecular and optical physics (for-2020)5107 Particle and high energy physics (for-2020)application/pdfpubliceScholarship, University of Californiahttps://escholarship.org/uc/item/6f3183h7https://escholarship.org/content/qt6f3183h7/qt6f3183h7.pdfinfo:doi/10.1140/epjc/s10052-015-3422-9articleEuropean Physical Journal C, vol 75, iss 5226oai:escholarship.org:ark:/13030/qt7v27d57m2026-04-04T16:52:19Zqt7v27d57mSearch for Down-Type Fourth Generation Quarks with the ATLAS Detector in Events with One Lepton and Hadronically Decaying W BosonsAad, GAbbott, BAbdallah, JAbdelalim, AAAbdesselam, AAbdinov, OAbi, BAbolins, MAbouZeid, OSAbramowicz, HAbreu, HAcerbi, EAcharya, BSAdamczyk, LAdams, DLAddy, TNAdelman, JAderholz, MAdomeit, SAdragna, PAdye, TAefsky, SAguilar-Saavedra, JAAharrouche, MAhlen, SPAhles, FAhmad, AAhsan, MAielli, GAkdogan, TÅkesson, TPAAkimoto, GAkimov, AVAkiyama, AAlam, MSAlam, MAAlbert, JAlbrand, SAleksa, MAleksandrov, INAlessandria, FAlexa, CAlexander, GAlexandre, GAlexopoulos, TAlhroob, MAliev, MAlimonti, GAlison, JAliyev, MAllbrooke, BMMAllport, PPAllwood-Spiers, SEAlmond, JAloisio, AAlon, RAlonso, AGonzalez, B AlvarezAlviggi, MGAmako, KAmaral, PAmelung, CAmmosov, VVAmorim, AAmorós, GAmram, NAnastopoulos, CAncu, LSAndari, NAndeen, TAnders, CFAnders, GAnderson, KJAndreazza, AAndrei, VAndrieux, M-LAnduaga, XSAngerami, AAnghinolfi, FAnisenkov, AAnjos, NAnnovi, AAntonaki, AAntonelli, MAntonov, AAntos, JAnulli, FAoun, SBella, L AperioApolle, RArabidze, GAracena, IArai, YArce, ATHArfaoui, SArguin, J-FArik, EArik, MArmbruster, AJArnaez, O2012-07-20This Letter presents a search for pair production of heavy down-type quarks decaying via b' → Wt in the lepton + jets channel, as b'b' → W- tW+ t → bbW+ W- W+ W- → l± νbbqqqqqq. In addition to requiring exactly one lepton, large missing transverse momentum, and at least six jets, the invariant mass of nearby jet pairs is used to identify high transverse momentum W bosons. In data corresponding to an integrated luminosity of 1.04 fb(-1) from pp collisions at sqrt[s] = 7 TeV recorded with the ATLAS detector, a heavy down-type quark with mass less than 480 GeV can be excluded at the 95% confidence level.5106 Nuclear and Plasma Physics (for-2020)5107 Particle and High Energy Physics (for-2020)51 Physical Sciences (for-2020)ATLAS CollaborationATLAS CollaborationATLAS Collaborationhep-exhep-ex01 Mathematical Sciences (for)02 Physical Sciences (for)09 Engineering (for)General Physics (science-metrix)40 Engineering (for-2020)49 Mathematical sciences (for-2020)51 Physical sciences (for-2020)application/pdfCC-BYeScholarship, University of Californiahttps://escholarship.org/uc/item/7v27d57mhttps://escholarship.org/content/qt7v27d57m/qt7v27d57m.pdfinfo:doi/10.1103/physrevlett.109.032001articlePhysical Review Letters, vol 109, iss 3032001oai:escholarship.org:ark:/13030/qt5bp2t2sp2026-04-04T16:52:02Zqt5bp2t2spMeasurement of the top quark charge in pp collisions at TeV with the ATLAS detectorThe ATLAS collaborationAad, GAbajyan, TAbbott, BAbdallah, JKhalek, S AbdelAbdelalim, AAAbdinov, OAben, RAbi, BAbolins, MAbouZeid, OSAbramowicz, HAbreu, HAbulaiti, YAcharya, BSAdamczyk, LAdams, DLAddy, TNAdelman, JAdomeit, SAdye, TAefsky, SAguilar-Saavedra, JAAgustoni, MAhlen, SPAhles, FAhmad, AAhsan, MAielli, GÅkesson, TPAAkimoto, GAkimov, AVAlam, MAAlbert, JAlbrand, SAleksa, MAleksandrov, INAlessandria, FAlexa, CAlexander, GAlexandre, GAlexopoulos, TAlhroob, MAliev, MAlimonti, GAlison, JAllbrooke, BMMAllison, LJAllport, PPAllwood-Spiers, SEAlmond, JAloisio, AAlon, RAlonso, AAlonso, FAltheimer, AGonzalez, B AlvarezAlviggi, MGAmako, KCoutinho, Y AmaralAmelung, CAmmosov, VVSantos, SP Amor DosAmorim, AAmoroso, SAmram, NAnastopoulos, CAncu, LSAndari, NAndeen, TAnders, CFAnders, GAnderson, KJAndreazza, AAndrei, VAnduaga, XSAngelidakis, SAnger, PAngerami, AAnghinolfi, FAnisenkov, AAnjos, NAnnovi, AAntonaki, AAntonelli, MAntonov, AAntos, JAnulli, FAoki, MBella, L AperioApolle, RArabidze, GAracena, IArai, YArce, ATHArfaoui, SArguin, J-FArgyropoulos, SArik, E2013-11-01A measurement of the top quark electric charge is carried out in the ATLAS experiment at the Large Hadron Collider using 2.05 fb−1 of data at a centre-of-mass energy of 7 TeV. In units of the elementary electric charge, the top quark charge is determined to be 0.64 ± 0.02 (stat.) ± 0.08 (syst.) from the charges of the top quark decay products in single lepton $$ t\overline{t} $$ candidate events. This excludes models that propose a heavy quark of electric charge −4/3, instead of the Standard Model top quark, with a significance of more than 8σ.5106 Nuclear and Plasma Physics (for-2020)5107 Particle and High Energy Physics (for-2020)51 Physical Sciences (for-2020)Hadron-Hadron ScatteringTop physicshep-exhep-ex0105 Mathematical Physics (for)0202 AtomicMolecularNuclearParticle and Plasma Physics (for)0206 Quantum Physics (for)Nuclear & Particles Physics (science-metrix)4902 Mathematical physics (for-2020)5106 Nuclear and plasma physics (for-2020)5107 Particle and high energy physics (for-2020)application/pdfCC-BYeScholarship, University of Californiahttps://escholarship.org/uc/item/5bp2t2sphttps://escholarship.org/content/qt5bp2t2sp/qt5bp2t2sp.pdfinfo:doi/10.1007/jhep11(2013)031articleJournal of High Energy Physics, vol 2013, iss 1131oai:escholarship.org:ark:/13030/qt5q34f32q2026-04-04T16:51:45Zqt5q34f32qDisappearance of partonic collectivity in s NN = 3 GeV Au+Au collisions at RHICCollaboration, STARAbdallah, MSAboona, BEAdam, JAdamczyk, LAdams, JRAdkins, JKAgakishiev, GAggarwal, IAggarwal, MMAhammed, ZAlekseev, IAnderson, DMAparin, AAschenauer, ECAshraf, MUAtetalla, FGAttri, AAverichev, GSBairathi, VBaker, WBall, JGBarish, KBehera, ABellwied, RBhagat, PBhasin, ABielcik, JBielcikova, JBordyuzhin, IGBrandenburg, JDBrandin, AVBunzarov, IButterworth, JCai, XZCaines, Hde la Barca Sánchez, M CalderónCebra, DChakaberia, IChaloupka, PChan, BKChang, F-HChang, ZChankova-Bunzarova, NChatterjee, AChattopadhyay, SChen, DChen, JChen, JHChen, XChen, ZCheng, JChevalier, MChoudhury, SChristie, WChu, XCrawford, HJCsanád, MDaugherity, MDedovich, TGDeppner, IMDerevschikov, AADhamija, ADi Carlo, LDidenko, LDixit, PDong, XDrachenberg, JLDuckworth, EDunlop, JCElsey, NEngelage, JEppley, GEsumi, SEvdokimov, OEwigleben, AEyser, OFatemi, RFawzi, FMFazio, SFederic, PFedorisin, JFeng, CJFeng, YFilip, PFinch, EFisyak, YFrancisco, AFu, CFulek, LGagliardi, CAGalatyuk, TGeurts, FGhimire, NGibson, AGopal, KGou, XGrosnick, DGupta, AGuryn, W2022-04-01We report on the measurements of directed flow v 1 and elliptic flow v 2 for hadrons ( π ± , K ± , K S 0 , p, ϕ, Λ and Ξ − ) from Au+Au collisions at s N N = 3 GeV and v 2 for ( π ± , K ± , p and p ‾ ) at 27 and 54.4GeV with the STAR experiment. While at the two higher energy midcentral collisions the number-of-constituent-quark (NCQ) scaling holds, at 3GeV the v 2 at midrapidity is negative for all hadrons and the NCQ scaling is absent. In addition, the v 1 slopes at midrapidity for almost all observed hadrons are found to be positive, implying dominant repulsive baryonic interactions. The features of negative v 2 and positive v 1 slope at 3GeV can be reproduced with a baryonic mean-field in transport model calculations. These results imply that the medium in such collisions is likely characterized by baryonic interactions.5106 Nuclear and Plasma Physics (for-2020)5107 Particle and High Energy Physics (for-2020)51 Physical Sciences (for-2020)0105 Mathematical Physics (for)0201 Astronomical and Space Sciences (for)0202 AtomicMolecularNuclearParticle and Plasma Physics (for)Nuclear & Particles Physics (science-metrix)49 Mathematical sciences (for-2020)51 Physical sciences (for-2020)application/pdfCC-BYeScholarship, University of Californiahttps://escholarship.org/uc/item/5q34f32qhttps://escholarship.org/content/qt5q34f32q/qt5q34f32q.pdfinfo:doi/10.1016/j.physletb.2022.137003articlePhysics Letters B, vol 827137003oai:escholarship.org:ark:/13030/qt8sz4k8hx2026-04-04T16:51:38Zqt8sz4k8hxSearch for heavy resonances decaying to a photon and a hadronically decaying Z/W/H boson in pp collisions at s=13 TeV with the ATLAS detectorAaboud, MAad, GAbbott, BAbdinov, OAbeloos, BAbidi, SHAbouZeid, OSAbraham, NLAbramowicz, HAbreu, HAbulaiti, YAcharya, BSAdachi, SAdamczyk, LAdelman, JAdersberger, MAdye, TAffolder, AAAfik, YAgheorghiesei, CAguilar-Saavedra, JAAhmadov, FAielli, GAkatsuka, SÅkesson, TPAAkilli, EAkimov, AVAlberghi, GLAlbert, JAlbicocco, PVerzini, MJ AlconadaAlderweireldt, SAleksa, MAleksandrov, INAlexa, CAlexander, GAlexopoulos, TAlhroob, MAli, BAlimonti, GAlison, JAlkire, SPAllaire, CAllbrooke, BMMAllen, BWAllport, PPAloisio, AAlonso, AAlonso, FAlpigiani, CAlshehri, AAAlstaty, MIGonzalez, B AlvarezPiqueras, D ÁlvarezAlviggi, MGAmadio, BTCoutinho, Y AmaralAmbroz, LAmelung, CAmidei, DDos Santos, SP AmorAmoroso, SAmrouche, CSAnastopoulos, CAncu, LSAndari, NAndeen, TAnders, CFAnders, JKAnderson, KJAndreazza, AAndrei, VAngelidakis, SAngelozzi, IAngerami, AAnisenkov, AVAnnovi, AAntel, CAnthony, MTAntonelli, MAntrim, DJAAnulli, FAoki, MBella, L AperioArabidze, GArai, YAraque, JPFerraz, V AraujoPereira, R AraujoArce, ATHArdell, REArduh, FAArguin, J-FArgyropoulos, SArmbruster, AJArmitage, LJArnaez, OArnold, HArratia, MArslan, O2018-08-01Many extensions of the Standard Model predict new resonances decaying to a Z, W, or Higgs boson and a photon. This paper presents a search for such resonances produced in pp collisions at s=13 TeV using a data set with an integrated luminosity of 36.1 fb-1 collected by the ATLAS detector at the LHC. The Z/W/H bosons are identified through their decays to hadrons. The data are found to be consistent with the Standard Model expectation in the entire investigated mass range. Upper limits are set on the production cross section times branching fraction for resonance decays to Z/W+γ in the mass range from 1.0 to 6.8 TeV and for the first time into H+γ in the mass range from 1.0 to 3.0 TeV.5106 Nuclear and Plasma Physics (for-2020)5107 Particle and High Energy Physics (for-2020)51 Physical Sciences (for-2020)hep-exhep-exapplication/pdfCC-BYeScholarship, University of Californiahttps://escholarship.org/uc/item/8sz4k8hxhttps://escholarship.org/content/qt8sz4k8hx/qt8sz4k8hx.pdfinfo:doi/10.1103/physrevd.98.032015articlePhysical Review D, vol 98, iss 3032015oai:escholarship.org:ark:/13030/qt4769b7kc2026-04-04T16:51:20Zqt4769b7kcUsing active learning to improve quasar identification for the DESI spectra processing pipelineGreen, DylanKirkby, DavidAguilar, JAhlen, SAlexander, DMArmengaud, EBailey, SBault, ABianchi, DBrodzeller, ABrooks, DClaybaugh, Tde Belsunce, Rde la Macorra, ADoel, PFawcett, VAFerraro, SFont-Ribera, AForero-Romero, JEGaztañaga, EGontcho, S Gontcho AGutierrez, GIshak, MJuneau, SKehoe, RKisner, TKremin, ALambert, ALandriau, MLe Guillou, LLevi, MEManera, MMeisner, AMiquel, RMoustakas, JMyers, ADPalanque-Delabrouille, NPrada, FPérez-Ràfols, IRossi, GSanchez, ESaulder, CSchlegel, DSchubnell, MSeo, HSinigaglia, FSprayberry, DTan, TTarlé, GWeaver, BAYoules, SYu, JZhou, RZou, H2025-10-01The Dark Energy Spectroscopic Instrument (DESI) survey uses an automatic spectral classification pipeline to classify spectra. QuasarNET is a convolutional neural network used as part of this pipeline originally trained using data from the Baryon Oscillation Spectroscopic Survey (BOSS). In this paper we implement an active learning algorithm to optimally select spectra to use for training a new version of the QuasarNET weights file using only DESI data, with the goal of improving classification accuracy. This active learning algorithm includes a novel outlier rejection step using a Self-Organizing Map to ensure we label spectra representative of the larger quasar sample observed in DESI. We perform two iterations of the active learning pipeline, assembling a final dataset of 5600 labeled spectra, a small subset of the approximately 1.3 million quasar targets in DESI's Data Release 1. When splitting the spectra into training and validation subsets we achieve similar performance to the previously trained weights file in completeness and purity calculated on the validation dataset but do so with less than one tenth of the amount of training data. The new weights also more consistently classify objects in the same way when used on unlabeled data compared to the old weights file. In the process of improving QuasarNET's classification accuracy we discovered a systemic error in QuasarNET's redshift estimation and used our findings to improve our understanding of QuasarNET's redshifts.5107 Particle and High Energy Physics (for-2020)5101 Astronomical Sciences (for-2020)51 Physical Sciences (for-2020)Bioengineering (rcdc)Machine Learning and Artificial Intelligence (rcdc)Machine learningdark energy experiments0201 Astronomical and Space Sciences (for)0202 AtomicMolecularNuclearParticle and Plasma Physics (for)Nuclear & Particles Physics (science-metrix)5101 Astronomical sciences (for-2020)5107 Particle and high energy physics (for-2020)application/pdfCC-BYeScholarship, University of Californiahttps://escholarship.org/uc/item/4769b7kchttps://escholarship.org/content/qt4769b7kc/qt4769b7kc.pdfinfo:doi/10.1088/1475-7516/2025/10/087articleJournal of Cosmology and Astroparticle Physics, vol 2025, iss 10087oai:escholarship.org:ark:/13030/qt61g558fc2026-04-04T16:48:02Zqt61g558fcMeasurement of cold nuclear matter effects for inclusive J/ψ in p+Au collisions at s NN = 200 GeVCollaboration, STARAbdallah, MSAboona, BEAdam, JAdamczyk, LAdams, JRAdkins, JKAgakishiev, GAggarwal, IAggarwal, MMAhammed, ZAlekseev, IAnderson, DMAparin, AAschenauer, ECAshraf, MUAtetalla, FGAttri, AAverichev, GSBairathi, VBaker, WBall, JGBarish, KBehera, ABellwied, RBhagat, PBhasin, ABielcik, JBielcikova, JBordyuzhin, IGBrandenburg, JDBrandin, AVBunzarov, ICai, XZCaines, Hde la Barca Sánchez, M CalderónCebra, DChakaberia, IChaloupka, PChan, BKChang, F-HChang, ZChankova-Bunzarova, NChatterjee, AChattopadhyay, SChen, DChen, JChen, JHChen, XChen, ZCheng, JChevalier, MChoudhury, SChristie, WChu, XCrawford, HJCsanád, MDaugherity, MDedovich, TGDeppner, IMDerevschikov, AADhamija, ADi Carlo, LDidenko, LDixit, PDong, XDrachenberg, JLDuckworth, EDunlop, JCElsey, NEngelage, JEppley, GEsumi, SEvdokimov, OEwigleben, AEyser, OFatemi, RFawzi, FMFazio, SFederic, PFedorisin, JFeng, CJFeng, YFilip, PFinch, EFisyak, YFrancisco, AFu, CFulek, LGagliardi, CAGalatyuk, TGeurts, FGhimire, NGibson, AGopal, KGou, XGrosnick, DGupta, AGuryn, WHamad, AI2022-02-01Measurement by the STAR experiment at RHIC of the cold nuclear matter (CNM) effects experienced by inclusive J / ψ at mid-rapidity in 0-100% p+Au collisions at s NN = 200 GeV is presented. Such effects are quantified utilizing the nuclear modification factor, R p Au , obtained by taking a ratio of J / ψ yield in p+Au collisions to that in p+p collisions scaled by the number of binary nucleon-nucleon collisions. The differential J / ψ yield in both p+p and p+Au collisions is measured through the dimuon decay channel, taking advantage of the trigger capability provided by the Muon Telescope Detector in the RHIC 2015 run. Consequently, the J / ψ R p Au is derived within the transverse momentum ( p T ) range of 0 to 10 GeV/c. A suppression of approximately 30% is observed for p T < 2 GeV/c, while J / ψ R p Au becomes compatible with unity for p T greater than 3 GeV/c, indicating the J / ψ yield is minimally affected by the CNM effects at high p T . Comparison to a similar measurement from 0-20% central Au+Au collisions reveals that the observed strong J / ψ suppression above 3 GeV/c is mostly due to the hot medium effects, providing strong evidence for the formation of the quark-gluon plasma in these collisions. Several model calculations show qualitative agreement with the measured J / ψ R p Au , while their agreement with the J / ψ yields in p+p and p+Au collisions is worse.5106 Nuclear and Plasma Physics (for-2020)5107 Particle and High Energy Physics (for-2020)5110 Synchrotrons and Accelerators (for-2020)51 Physical Sciences (for-2020)RHICCold nuclear matter effectsJ/psi suppression0105 Mathematical Physics (for)0201 Astronomical and Space Sciences (for)0202 AtomicMolecularNuclearParticle and Plasma Physics (for)Nuclear & Particles Physics (science-metrix)49 Mathematical sciences (for-2020)51 Physical sciences (for-2020)application/pdfCC-BYeScholarship, University of Californiahttps://escholarship.org/uc/item/61g558fchttps://escholarship.org/content/qt61g558fc/qt61g558fc.pdfinfo:doi/10.1016/j.physletb.2021.136865articlePhysics Letters B, vol 825136865oai:escholarship.org:ark:/13030/qt2gb403hh2026-04-04T16:47:19Zqt2gb403hhCerebral amyloid is associated with greater white-matter hyperintensity accrual in cognitively normal older adultsScott, Julia ABraskie, Meredith NTosun, DuyguMaillard, PaulineThompson, Paul MWeiner, MichaelDeCarli, CharlesCarmichael, Owen TADNI2016-12-01Cross-sectional studies show that elevated cerebral amyloid is associated with greater white-matter hyperintensity (WMH) burden in cognitively normal (CN) older adults. However, the relative time courses of amyloid and WMH accrual are unclear. To address this, we tested the associations between known WMH correlates-age, hypertension, and amyloid-with WMH accrual rate. We used brain magnetic resonance imaging to measure WMH change in 112 CN Alzheimer's Disease Neuroimaging Initiative (GO/2) participants over a 2-year period. A linear mixed effects model assessed baseline cerebrospinal fluid amyloid beta (Aβ) 1-42, hypertension, age, and their interactions, as predictors of greater WMH accrual. Greater amyloid burden was associated with greater WMH accrual over time. Those with hypertension showed a stronger association between greater amyloid burden and WMH accrual rate. Greater age was not significantly associated with greater WMH accrual in this model. Although the direction of the relationship cannot be tested in this model, CN individuals harboring cerebral amyloid had greater accrual of WMH over a 2-year period after accounting for hypertension and age. Impaired amyloid clearance and cerebral small vessel disease may both underlie the more rapid emergence of WM lesions. The role of cerebral amyloid burden in white-matter injury should thus be considered as a relevant factor when WMHs are detected clinically.5202 Biological Psychology (for-2020)52 Psychology (for-2020)Biomedical Imaging (rcdc)Alzheimer's Disease Related Dementias (ADRD) (rcdc)Clinical Research (rcdc)Neurodegenerative (rcdc)Alzheimer's Disease (rcdc)Brain Disorders (rcdc)Neurosciences (rcdc)Vascular Cognitive Impairment/Dementia (rcdc)Dementia (rcdc)Alzheimer's Disease including Alzheimer's Disease Related Dementias (AD/ADRD) (rcdc)Acquired Cognitive Impairment (rcdc)Cerebrovascular (rcdc)Aging (rcdc)Cardiovascular (rcdc)2.1 Biological and endogenous factors (hrcs-rac)Neurological (hrcs-hc)Aged (mesh)Aging (mesh)Amyloidogenic Proteins (mesh)Cognition (mesh)Cohort Studies (mesh)Cross-Sectional Studies (mesh)Female (mesh)Humans (mesh)Hypertension (mesh)Magnetic Resonance Imaging (mesh)Male (mesh)Neuroimaging (mesh)White Matter (mesh)AmyloidFLAIRMRINormal agingHypertensionADNIADNIHumans (mesh)Hypertension (mesh)Magnetic Resonance Imaging (mesh)Cohort Studies (mesh)Cross-Sectional Studies (mesh)Cognition (mesh)Aging (mesh)Aged (mesh)Female (mesh)Male (mesh)Amyloidogenic Proteins (mesh)Neuroimaging (mesh)White Matter (mesh)ADNIAmyloidFLAIRHypertensionMRINormal agingAged (mesh)Aging (mesh)Amyloidogenic Proteins (mesh)Cognition (mesh)Cohort Studies (mesh)Cross-Sectional Studies (mesh)Female (mesh)Humans (mesh)Hypertension (mesh)Magnetic Resonance Imaging (mesh)Male (mesh)Neuroimaging (mesh)White Matter (mesh)1103 Clinical Sciences (for)1109 Neurosciences (for)Neurology & Neurosurgery (science-metrix)3209 Neurosciences (for-2020)5202 Biological psychology (for-2020)application/pdfpubliceScholarship, University of Californiahttps://escholarship.org/uc/item/2gb403hhhttps://escholarship.org/content/qt2gb403hh/qt2gb403hh.pdfinfo:doi/10.1016/j.neurobiolaging.2016.08.014articleNeurobiology of Aging, vol 4848 - 52oai:escholarship.org:ark:/13030/qt4zg9w1vj2026-04-04T16:46:53Zqt4zg9w1vjSimulating Quantum Materials with Digital Quantum ComputersBassman, LindsayUrbanek, MiroslavMetcalf, MekenaCarter, JonathanKemper, Alexander FJong, Wibe de2021-01-21Quantum materials exhibit a wide array of exotic phenomena and practically
useful properties. A better understanding of these materials can provide deeper
insights into fundamental physics in the quantum realm as well as advance
technology for entertainment, healthcare, and sustainability. The emergence of
digital quantum computers (DQCs), which can efficiently perform quantum
simulations that are otherwise intractable on classical computers, provides a
promising path forward for testing and analyzing the remarkable, and often
counter-intuitive, behavior of quantum materials. Equipped with these new
tools, scientists from diverse domains are racing towards achieving physical
quantum advantage (i.e., using a quantum computer to learn new physics with a
computation that cannot feasibly be run on any classical computer). The aim of
this review, therefore, is to provide a summary of progress made towards this
goal that is accessible to scientists across the physical sciences. We will
first review the available technology and algorithms, and detail the myriad
ways to represent materials on quantum computers. Next, we will showcase the
simulations that have been successfully performed on currently available DQCs,
emphasizing the variety of properties, both static and dynamic, that can be
studied with this nascent technology. Finally, we work through two examples of
how to map a materials problem onto a DQC, with full code included in the
Supplementary Material. It is our hope that this review can serve as an
organized overview of progress in the field for domain experts and an
accessible introduction to scientists in related fields interested in beginning
to perform their own simulations of quantum materials on DQCs.quant-phquant-phapplication/pdfpubliceScholarship, University of Californiahttps://escholarship.org/uc/item/4zg9w1vjhttps://escholarship.org/content/qt4zg9w1vj/qt4zg9w1vj.pdfarticleQuantum Sci. Technol., vol 6043002oai:escholarship.org:ark:/13030/qt6bn5h33h2026-04-04T16:46:46Zqt6bn5h33hSearch for resonant diboson production in the ℓℓqq¯ final state in pp collisions at s=8 TeV with the ATLAS detectorATLAS CollaborationAad, GAbbott, BAbdallah, JAbdel Khalek, SAbdinov, OAben, RAbi, BAbolins, MAbouZeid, OSAbramowicz, HAbreu, HAbreu, RAbulaiti, YAcharya, BSAdamczyk, LAdams, DLAdelman, JAdomeit, SAdye, TAgatonovic-Jovin, TAguilar-Saavedra, JAAgustoni, MAhlen, SPAhmadov, FAielli, GAkerstedt, HÅkesson, TPAAkimoto, GAkimov, AVAlberghi, GLAlbert, JAlbrand, SAlconada Verzini, MJAleksa, MAleksandrov, INAlexa, CAlexander, GAlexandre, GAlexopoulos, TAlhroob, MAlimonti, GAlio, LAlison, JAllbrooke, BMMAllison, LJAllport, PPAlmond, JAloisio, AAlonso, AAlonso, FAlpigiani, CAltheimer, AAlvarez Gonzalez, BAlviggi, MGAmako, KAmaral Coutinho, YAmelung, CAmidei, DAmor Dos Santos, SPAmorim, AAmoroso, SAmram, NAmundsen, GAnastopoulos, CAncu, LSAndari, NAndeen, TAnders, CFAnders, GAnderson, KJAndreazza, AAndrei, VAnduaga, XSAngelidakis, SAngelozzi, IAnger, PAngerami, AAnghinolfi, FAnisenkov, AVAnjos, NAnnovi, AAntonaki, AAntonelli, MAntonov, AAntos, JAnulli, FAoki, MAperio Bella, LApolle, RArabidze, GAracena, IArai, YAraque, JPArce, ATHArguin, J-FArgyropoulos, SArik, MArmbruster, AJArnaez, O2015-02-01This paper reports on a search for narrow resonances in diboson production in the ℓℓqq¯$$\mathrm {\ell \ell }q\bar{q}$$ final state using pp$$pp$$ collision data corresponding to an integrated luminosity of 20$$20$$ fb-1$$^{-1}$$ collected at s=8$$\sqrt{s}=8$$ TeV with the ATLAS detector at the Large Hadron Collider. No significant excess of data events over the Standard Model expectation is observed. Upper limits at the 95 % confidence level are set on the production cross section times branching ratio for Kaluza–Klein gravitons predicted by the Randall–Sundrum model and for Extended Gauge Model W′$$W^\prime $$ bosons. These results lead to the exclusion of mass values below 740 and 1590 GeV for the graviton and W′$$W^\prime $$ boson respectively.5106 Nuclear and Plasma Physics (for-2020)5107 Particle and High Energy Physics (for-2020)51 Physical Sciences (for-2020)ATLAS CollaborationATLAS Collaborationhep-exhep-ex0202 AtomicMolecularNuclearParticle and Plasma Physics (for)0206 Quantum Physics (for)Nuclear & Particles Physics (science-metrix)5101 Astronomical sciences (for-2020)5102 Atomicmolecular and optical physics (for-2020)5107 Particle and high energy physics (for-2020)application/pdfCC-BYeScholarship, University of Californiahttps://escholarship.org/uc/item/6bn5h33hhttps://escholarship.org/content/qt6bn5h33h/qt6bn5h33h.pdfinfo:doi/10.1140/epjc/s10052-015-3261-8articleEuropean Physical Journal C, vol 75, iss 269oai:escholarship.org:ark:/13030/qt7gd458zb2026-04-04T16:46:35Zqt7gd458zbSearch for invisible particles produced in association with single-top-quarks in proton–proton collisions at s=8TeV with the ATLAS detectorAad, GAbbott, BAbdallah, JKhalek, S AbdelAbdinov, OAben, RAbi, BAbolins, MAbouZeid, OSAbramowicz, HAbreu, HAbreu, RAbulaiti, YAcharya, BSAdamczyk, LAdams, DLAdelman, JAdomeit, SAdye, TAgatonovic-Jovin, TAguilar-Saavedra, JAAgustoni, MAhlen, SPAhmadov, FAielli, GAkerstedt, HÅkesson, TPAAkimoto, GAkimov, AVAlberghi, GLAlbert, JAlbrand, SVerzini, MJ AlconadaAleksa, MAleksandrov, INAlexa, CAlexander, GAlexandre, GAlexopoulos, TAlhroob, MAlimonti, GAlio, LAlison, JAllbrooke, BMMAllison, LJAllport, PPAloisio, AAlonso, AAlonso, FAlpigiani, CAltheimer, AGonzalez, B AlvarezAlviggi, MGAmako, KCoutinho, Y AmaralAmelung, CAmidei, DDos Santos, SP AmorAmorim, AAmoroso, SAmram, NAmundsen, GAnastopoulos, CAncu, LSAndari, NAndeen, TAnders, CFAnders, GAnderson, KJAndreazza, AAndrei, VAnduaga, XSAngelidakis, SAngelozzi, IAnger, PAngerami, AAnghinolfi, FAnisenkov, AVAnjos, NAnnovi, AAntonelli, MAntonov, AAntos, JAnulli, FAoki, MBella, L AperioApolle, RArabidze, GAracena, IArai, YAraque, JPArce, ATHArduh, FAArguin, J-FArgyropoulos, SArik, MArmbruster, AJArnaez, OArnal, VArnold, H2015-02-01A search for the production of single-top-quarks in association with missing energy is performed in proton-proton collisions at a centre-of-mass energy of [Formula: see text] with the ATLAS experiment at the large hadron collider using data collected in 2012, corresponding to an integrated luminosity of [Formula: see text] fb[Formula: see text]. In this search, the [Formula: see text] boson from the top quark is required to decay into an electron or a muon and a neutrino. No deviation from the standard model prediction is observed, and upper limits are set on the production cross-section for resonant and non-resonant production of an invisible exotic state in association with a right-handed top quark. In the case of resonant production, for a spin-[Formula: see text] resonance with a mass of [Formula: see text] GeV, an effective coupling strength above [Formula: see text] is excluded at 95[Formula: see text] confidence level for the top quark and an invisible spin-[Formula: see text] state with mass between [Formula: see text] and [Formula: see text] GeV. In the case of non-resonant production, an effective coupling strength above [Formula: see text] is excluded at 95[Formula: see text] confidence level for the top quark and an invisible spin-[Formula: see text] state with mass between [Formula: see text] and [Formula: see text] GeV.5106 Nuclear and Plasma Physics (for-2020)5107 Particle and High Energy Physics (for-2020)51 Physical Sciences (for-2020)ATLAS CollaborationATLAS CollaborationATLAS Collaborationhep-exhep-ex0202 AtomicMolecularNuclearParticle and Plasma Physics (for)0206 Quantum Physics (for)Nuclear & Particles Physics (science-metrix)5101 Astronomical sciences (for-2020)5102 Atomicmolecular and optical physics (for-2020)5107 Particle and high energy physics (for-2020)application/pdfCC-BYeScholarship, University of Californiahttps://escholarship.org/uc/item/7gd458zbhttps://escholarship.org/content/qt7gd458zb/qt7gd458zb.pdfinfo:doi/10.1140/epjc/s10052-014-3233-4articleEuropean Physical Journal C, vol 75, iss 279oai:escholarship.org:ark:/13030/qt806162z42026-04-04T16:46:24Zqt806162z4Search for dark matter in events with heavy quarks and missing transverse momentum in pp collisions with the ATLAS detectorATLAS CollaborationAad, GAbbott, BAbdallah, JAbdel Khalek, SAbdinov, OAben, RAbi, BAbolins, MAbouZeid, OSAbramowicz, HAbreu, HAbreu, RAbulaiti, YAcharya, BSAdamczyk, LAdams, DLAdelman, JAdomeit, SAdye, TAgatonovic-Jovin, TAguilar-Saavedra, JAAgustoni, MAhlen, SPAhmadov, FAielli, GAkerstedt, HÅkesson, TPAAkimoto, GAkimov, AVAlberghi, GLAlbert, JAlbrand, SAlconada Verzini, MJAleksa, MAleksandrov, INAlexa, CAlexander, GAlexandre, GAlexopoulos, TAlhroob, MAlimonti, GAlio, LAlison, JAllbrooke, BMMAllison, LJAllport, PPAloisio, AAlonso, AAlonso, FAlpigiani, CAltheimer, AAlvarez Gonzalez, BAlviggi, MGAmako, KAmaral Coutinho, YAmelung, CAmidei, DAmor Dos Santos, SPAmorim, AAmoroso, SAmram, NAmundsen, GAnastopoulos, CAncu, LSAndari, NAndeen, TAnders, CFAnders, GAnderson, KJAndreazza, AAndrei, VAnduaga, XSAngelidakis, SAngelozzi, IAnger, PAngerami, AAnghinolfi, FAnisenkov, AVAnjos, NAnnovi, AAntonaki, MAntonelli, MAntonov, AAntos, JAnulli, FAoki, MAperio Bella, LApolle, RArabidze, GAracena, IArai, YAraque, JPArce, ATHArduh, FAArguin, J-FArgyropoulos, SArik, MArmbruster, AJArnaez, O2015-02-01This article reports on a search for dark matter pair production in association with bottom or top quarks in 20.3fb-1$$20.3 \mathrm {~fb}^{-1}$$ of pp$$pp$$ collisions collected at s=8$$\sqrt{s} = 8$$ TeV by the ATLAS detector at the LHC. Events with large missing transverse momentum are selected when produced in association with high-momentum jets of which one or more are identified as jets containing b$$b$$-quarks. Final states with top quarks are selected by requiring a high jet multiplicity and in some cases a single lepton. The data are found to be consistent with the Standard Model expectations and limits are set on the mass scale of effective field theories that describe scalar and tensor interactions between dark matter and Standard Model particles. Limits on the dark-matter–nucleon cross-section for spin-independent and spin-dependent interactions are also provided. These limits are particularly strong for low-mass dark matter. Using a simplified model, constraints are set on the mass of dark matter and of a coloured mediator suitable to explain a possible signal of annihilating dark matter.5106 Nuclear and Plasma Physics (for-2020)5107 Particle and High Energy Physics (for-2020)51 Physical Sciences (for-2020)ATLAS CollaborationATLAS CollaborationATLAS Collaborationhep-exhep-ex0202 AtomicMolecularNuclearParticle and Plasma Physics (for)0206 Quantum Physics (for)Nuclear & Particles Physics (science-metrix)5101 Astronomical sciences (for-2020)5102 Atomicmolecular and optical physics (for-2020)5107 Particle and high energy physics (for-2020)application/pdfCC-BYeScholarship, University of Californiahttps://escholarship.org/uc/item/806162z4https://escholarship.org/content/qt806162z4/qt806162z4.pdfinfo:doi/10.1140/epjc/s10052-015-3306-zarticleEuropean Physical Journal C, vol 75, iss 292oai:escholarship.org:ark:/13030/qt7p46d3z62026-04-04T16:46:09Zqt7p46d3z6Search for anomalous electroweak production of vector boson pairs in association with two jets in proton-proton collisions at 13 TeVSirunyan, AMTumasyan, AAdam, WAmbrogi, FAsilar, EBergauer, TBrandstetter, JDragicevic, MErö, JDel Valle, A EscalanteFlechl, MFrühwirth, RGhete, VMHrubec, JJeitler, MKrammer, NKrätschmer, ILiko, DMadlener, TMikulec, IRad, NRohringer, HSchieck, JSchöfbeck, RSpanring, MSpitzbart, DWaltenberger, WWittmann, JWulz, C-EZarucki, MChekhovsky, VMossolov, VGonzalez, J SuarezDe Wolf, EADi Croce, DJanssen, XLauwers, JLelek, APieters, MVan Haevermaet, HVan Mechelen, PVan Remortel, NBlekman, FD'Hondt, JDe Clercq, JDeroover, KFlouris, GLontkovskyi, DLowette, SMarchesini, IMoortgat, SMoreels, LPython, QSkovpen, KTavernier, SVan Doninck, WVan Mulders, PVan Parijs, IBeghin, DBilin, BBrun, HClerbaux, BDe Lentdecker, GDelannoy, HDorney, BFavart, LGrebenyuk, AKalsi, AKLuetic, JPopov, APostiau, NStarling, EThomas, LVander Velde, CVanlaer, PVannerom, DWang, QCornelis, TDobur, DFagot, AGul, MKhvastunov, IRoskas, CTrocino, DTytgat, MVerbeke, WVermassen, BVit, MZaganidis, NBondu, OBruno, GCaputo, CDavid, PDelaere, CDelcourt, MGiammanco, AKrintiras, GLemaitre, VMagitteri, APiotrzkowski, K2019-11-01A search for anomalous electroweak production of WW, WZ, and ZZ boson pairs in association with two jets in proton-proton collisions at s = 13 TeV at the LHC is reported. The data sample corresponds to an integrated luminosity of 35.9 fb − 1 collected with the CMS detector. Events are selected by requiring two jets with large rapidity separation and invariant mass, one or two leptons (electrons or muons), and a W or Z boson decaying hadronically. No excess of events with respect to the standard model background predictions is observed and constraints on the structure of quartic vector boson interactions in the framework of dimension-8 effective field theory operators are reported. Stringent limits on parameters of the effective field theory operators are obtained. The observed 95% confidence level limits for the S0, M0, and T0 operators are − 2.7 < f S0 / Λ 4 < 2.7 , − 1.0 < f M0 / Λ 4 < 1.0 , and − 0.17 < f T0 / Λ 4 < 0.16 , in units of TeV−4. Constraints are also reported on the product of the cross section and branching fraction for vector boson fusion production of charged Higgs bosons as a function of mass from 600 to 2000 GeV. The results are interpreted in the context of the Georgi–Machacek model.5106 Nuclear and Plasma Physics (for-2020)5107 Particle and High Energy Physics (for-2020)51 Physical Sciences (for-2020)CMSPhysicsVBSCharged Higgshep-exhep-ex0105 Mathematical Physics (for)0201 Astronomical and Space Sciences (for)0202 AtomicMolecularNuclearParticle and Plasma Physics (for)Nuclear & Particles Physics (science-metrix)49 Mathematical sciences (for-2020)51 Physical sciences (for-2020)application/pdfpubliceScholarship, University of Californiahttps://escholarship.org/uc/item/7p46d3z6https://escholarship.org/content/qt7p46d3z6/qt7p46d3z6.pdfinfo:doi/10.1016/j.physletb.2019.134985articlePhysics Letters B, vol 798134985oai:escholarship.org:ark:/13030/qt1946q35d2026-04-04T16:42:20Zqt1946q35dDESI 2024: Constraints on physics-focused aspects of dark energy using DESI DR1 BAO dataLodha, KShafieloo, ACalderon, RLinder, ESohn, WCervantes-Cota, JLde Mattia, AGarcía-Bellido, JIshak, MMatthewson, WAguilar, JAhlen, SBrooks, DClaybaugh, Tde la Macorra, ADey, ADey, BDoel, PForero-Romero, JEGaztañaga, EGontcho, S Gontcho AHowlett, CJuneau, SKent, SKisner, TLambert, ALandriau, MLe Guillou, LMartini, PMeisner, AMiquel, RMoustakas, JNewman, JANiz, GPalanque-Delabrouille, NPercival, WJPoppett, CPrada, FRossi, GRuhlmann-Kleider, VSanchez, ESchlafly, EFSchlegel, DSchubnell, MSeo, HSprayberry, DTarlé, GWeaver, BAZou, H2025-01-15Baryon acoustic oscillation data from the first year of the Dark Energy Spectroscopic Instrument (DESI) provide near percent-level precision of cosmic distances in seven bins over the redshift range z=0.1–4.2. This paper is the follow-up to the original DESI BAO cosmology paper [A. G. Adame (DESI Collaboration), arXiv:2404.03002], which considered the conventional w0wa cold dark matter (CDM) model. We use the novel DESI data, together with other cosmic probes, to constrain the background expansion history using some well-motivated physical classes of dark energy. In particular, we explore three physics-focused behaviors of dark energy from the equation of state and energy density perspectives: the thawing class (matching many simple quintessence potentials), emergent class (where dark energy comes into being recently, as in phase transition models), and mirage class [where phenomenologically the distance to cosmic microwave background (CMB) last scattering is close to that from a cosmological constant Λ despite dark energy dynamics]. All three classes fit the data at least as well as ΛCDM, and indeed can improve on it by Δχ2≈-5 to -17 for the combination of DESI BAO with CMB and supernova data while having one more parameter. The mirage class does essentially as well as w0waCDM and exhibits moderate to strong Bayesian evidence preference with respect to ΛCDM. These classes of dynamical behaviors highlight worthwhile avenues for further exploration into the nature of dark energy.5107 Particle and High Energy Physics (for-2020)51 Physical Sciences (for-2020)7 Affordable and Clean Energy (sdg)application/pdfCC-BYeScholarship, University of Californiahttps://escholarship.org/uc/item/1946q35dhttps://escholarship.org/content/qt1946q35d/qt1946q35d.pdfinfo:doi/10.1103/physrevd.111.023532articlePhysical Review D, vol 111, iss 2023532oai:escholarship.org:ark:/13030/qt6fc355042026-04-04T16:42:16Zqt6fc35504ELG spectroscopic systematics analysis of the DESI Data Release 1Yu, JRoss, AJRocher, AAlves, Ode Mattia, AForero-Sánchez, DKneib, JKrolewski, ALan, T-WRashkovetskyi, MAguilar, JAhlen, SBailey, SBrooks, DChaussidon, EClaybaugh, Tde la Macorra, ADey, ArjunDey, BiprateepDoel, PFanning, KForero-Romero, JEGaztañaga, EGontcho, S Gontcho AHonscheid, KHowlett, CJuneau, SKisner, TKremin, ALambert, ALandriau, MLe Guillou, LLevi, MEManera, MMartini, PMeisner, AMiquel, RMoustakas, JMueller, EMuñoz-Gutiérrez, AMyers, ADNie, JNiz, GPalanque-Delabrouille, NPercival, WJPoppett, CPrada, FRezaie, MRossi, GSanchez, ESchlafly, EFSchlegel, DSchubnell, MSeo, HSprayberry, DTarlé, GWeaver, BAZarrouk, PZhao, CZhou, RZou, H2025-01-01Dark Energy Spectroscopic Instrument (DESI) uses more than 2.4 million Emission Line Galaxies (ELGs) for 3D large-scale structure (LSS) analyses in its Data Release 1 (DR1). Such large statistics enable thorough research on systematic uncertainties. In this study, we focus on spectroscopic systematics of ELGs. The redshift success rate (f goodz) is the relative fraction of secure redshifts among all measurements. It depends on observing conditions, thus introduces non-cosmological variations to the LSS. We, therefore, develop the redshift failure weight (w zfail) and a per-fibre correction (η zfail) to mitigate these dependences. They have minor influences on the galaxy clustering. For ELGs with a secure redshift, there are two subtypes of systematics: 1) catastrophics (large) that only occur in a few samples; 2) redshift uncertainty (small) that exists for all samples. The catastrophics represent 0.26% of the total DR1 ELGs, composed of the confusion between [O ii] and sky residuals, double objects, total catastrophics and others. We simulate the realistic 0.26% catastrophics of DR1 ELGs, the hypothetical 1% catastrophics, and the truncation of the contaminated 1.31 < z < 1.33 in the AbacusSummit ELG mocks. Their P ℓ show non-negligible bias from the uncontaminated mocks. But their influences on the redshift space distortions (RSD) parameters are smaller than 0.2σ. The redshift uncertainty of DR1 ELGs is 8.5km s-1 with a Lorentzian profile. The code for implementing the catastrophics and redshift uncertainty on mocks can be found in https://github.com/Jiaxi-Yu/modelling_spectro_sys.5101 Astronomical Sciences (for-2020)51 Physical Sciences (for-2020)cosmological parameters from LSSgalaxy clusteringgalaxy surveysredshift surveys0201 Astronomical and Space Sciences (for)0202 AtomicMolecularNuclearParticle and Plasma Physics (for)Nuclear & Particles Physics (science-metrix)5101 Astronomical sciences (for-2020)5107 Particle and high energy physics (for-2020)application/pdfCC-BYeScholarship, University of Californiahttps://escholarship.org/uc/item/6fc35504https://escholarship.org/content/qt6fc35504/qt6fc35504.pdfinfo:doi/10.1088/1475-7516/2025/01/126articleJournal of Cosmology and Astroparticle Physics, vol 2025, iss 01126oai:escholarship.org:ark:/13030/qt0z21p7rc2026-04-04T16:42:12Zqt0z21p7rcCharacterization of contaminants in the Lyman-alpha forest auto-correlation with DESIGuy, JGontcho, S Gontcho AArmengaud, EBrodzeller, ACuceu, AFont-Ribera, AHerrera-Alcantar, HKKaraçaylı, NGMuñoz-Gutiérrez, APieri, MMPérez-Ràfols, IRamírez-Pérez, CRavoux, CRich, JWalther, MKarim, M AbdulAguilar, JAhlen, SBault, ABrooks, DClaybaugh, Tde la Cruz, Rde la Macorra, ADoel, PFanning, KForero-Romero, JEGaztañaga, EGonzalez-Morales, AXGutierrez, GHahn, CHonscheid, KJuneau, SKehoe, RKirkby, DKisner, TKremin, ALambert, ALandriau, MLe Guillou, LManera, MMartini, PMeisner, AMiquel, RMontero-Camacho, PMoustakas, JMueller, EMyers, ADNie, JNiz, GPalanque-Delabrouille, NPercival, WJPoppett, CRezaie, MRossi, GSanchez, ESchlegel, DSchubnell, MSeo, HSilber, JSprayberry, DTan, TTarlé, GVargas-Magaña, MZou, H2025-01-01Baryon Acoustic Oscillations can be measured with sub-percent precision above redshift two with the Lyman-α (Lyα) forest auto-correlation and its cross-correlation with quasar positions. This is one of the key goals of the Dark Energy Spectroscopic Instrument (DESI) which started its main survey in May 2021. We present in this paper a study of the contaminants to the Lyα forest which are mainly caused by correlated signals introduced by the spectroscopic data processing pipeline as well as astrophysical contaminants due to foreground absorption in the intergalactic medium. Notably, an excess signal caused by the sky background subtraction noise is present in the Lyα auto-correlation in the first line-of-sight separation bin. We use synthetic data to isolate this contribution, we also characterize the effect of spectro-photometric calibration noise, and propose a simple model to account for both effects in the analysis of the Lyα forest. We then measure the auto-correlation of the quasar flux transmission fraction of low redshift quasars, where there is no Lyα forest absorption but only its contaminants. We demonstrate that we can interpret the data with a two-component model: data processing noise and triply ionized Silicon and Carbon auto-correlations. This result can be used to improve the modeling of the Lyα auto-correlation function measured with DESI.5106 Nuclear and Plasma Physics (for-2020)51 Physical Sciences (for-2020)baryon acoustic oscillationsdark energy experimentsLyman alpha forestredshift surveys0201 Astronomical and Space Sciences (for)0202 AtomicMolecularNuclearParticle and Plasma Physics (for)Nuclear & Particles Physics (science-metrix)5101 Astronomical sciences (for-2020)5107 Particle and high energy physics (for-2020)application/pdfCC-BYeScholarship, University of Californiahttps://escholarship.org/uc/item/0z21p7rchttps://escholarship.org/content/qt0z21p7rc/qt0z21p7rc.pdfinfo:doi/10.1088/1475-7516/2025/01/140articleJournal of Cosmology and Astroparticle Physics, vol 2025, iss 01140oai:escholarship.org:ark:/13030/qt3fs7f4rp2026-04-04T16:42:07Zqt3fs7f4rpA comparison of effective field theory models of redshift space galaxy power spectra for DESI 2024 and future surveysMaus, MLai, YNoriega, HERamirez-Solano, SAviles, AChen, SFromenteau, SGil-Marín, HHowlett, CVargas-Magaña, MWhite, MZarrouk, PAguilar, JAhlen, SAlves, OBrieden, SBrooks, DBurtin, EClaybaugh, TCole, SDawson, KIcaza-Lizaola, Mde la Macorra, Ade Mattia, ADoel, PFerraro, SFindlay, NForero-Romero, JEGaztañaga, EGontcho, S Gontcho AHahn, CHonscheid, KIshak, MKremin, ALandriau, MLe Guillou, LManera, MMiquel, RMueller, ENadathur, SNiz, GPalanque-Delabrouille, NPercival, WJPoppett, CPrada, FRezaie, MRocher, ARossi, GSanchez, ESchlegel, DSchubnell, MSprayberry, DTarlé, GYuan, SZhao, RZhou, RZou, H2025-01-01In preparation for the next generation of galaxy redshift surveys, and in particular the year-one data release from the Dark Energy Spectroscopic Instrument (DESI), we investigate the consistency of a variety of effective field theory models that describe the galaxy-galaxy power spectra in redshift space into the quasi-linear regime using 1-loop perturbation theory. These models are employed in the pipelines velocileptors, PyBird, and Folpsν . While these models have been validated independently, a detailed comparison with consistent choices has not been attempted. After briefly discussing the theoretical differences between the models we describe how to provide a more apples-to-apples comparison between them. We present the results of fitting mock spectra from the AbacusSummit suite of N-body simulations provided in three redshift bins to mimic the types of dark time tracers targeted by the DESI survey. We show that the theories behave similarly and give consistent constraints in both the forward-modeling and ShapeFit compressed fitting approaches. We additionally generate (noiseless) synthetic data from each pipeline to be fit by the others, varying the scale cuts in order to show that the models agree within the range of scales for which we expect 1-loop perturbation theory to be applicable. This work lays the foundation of Full-Shape analysis with DESI Y1 galaxy samples where in the tests we performed, we found no systematic error associated with the modeling of the galaxy redshift space power spectrum for this volume.5106 Nuclear and Plasma Physics (for-2020)51 Physical Sciences (for-2020)cosmological parameters from LSSpower spectrumredshift surveyscosmological parameters from LSSpower spectrumredshift surveyscosmological parameters from LSSpower spectrumredshift surveys0201 Astronomical and Space Sciences (for)0202 AtomicMolecularNuclearParticle and Plasma Physics (for)Nuclear & Particles Physics (science-metrix)5101 Astronomical sciences (for-2020)5107 Particle and high energy physics (for-2020)application/pdfCC-BYeScholarship, University of Californiahttps://escholarship.org/uc/item/3fs7f4rphttps://escholarship.org/content/qt3fs7f4rp/qt3fs7f4rp.pdfinfo:doi/10.1088/1475-7516/2025/01/134articleJournal of Cosmology and Astroparticle Physics, vol 2025, iss 01134oai:escholarship.org:ark:/13030/qt8274g9tp2026-04-04T16:37:08Zqt8274g9tpAssociation of maternal fish consumption and ω-3 supplement use during pregnancy with child autism-related outcomes: results from a cohort consortium analysisLyall, KristenWestlake, MattMusci, Rashelle JGachigi, KennedyBarrett, Emily SBastain, Theresa MBush, Nicole RBuss, ClaudiaCamargo, Carlos ACroen, Lisa ADabelea, DanaDunlop, Anne LElliott, Amy JFerrara, AssiamiraGhassabian, AkhgarGern, James EHare, Marion EHertz-Picciotto, IrvaHipwell, Alison EHockett, Christine WKaragas, Margaret RLugo-Candelas, ClaudiaO’Connor, Thomas GSchmidt, Rebecca JStanford, Joseph BStraughen, Jennifer KShuster, Coral LWright, Robert OWright, Rosalind JZhao, QiOken, EmilyOutcomes, program collaborators for Environmental influences on Child HealthComponents, ECHOCenter, CoordinatingSmith, PBNewby, KLCenter, Data AnalysisJacobson, LPCatellier, DJCore, Person-Reported OutcomesGershon, RCella, DAwardees and Cohorts, ECHOAlshawabkeh, ANCordero, JMeeker, JAschner, JTeitelbaum, SLStroustrup, AMansbach, JMSpergel, JMSamuels-Kalow, MEStevensonBauer, CSMitchell, D KoinisDeoni, SD’Sa, VDuarte, CSMonk, CPosner, JCanino, GSeroogy, CBendixsen, CHertz-Picciotto, IKeenan, KKarr, CTylavsky, FMason, AZhao, QSathyanarayana, SLeWinn, KZLester, BCarter, BPastyrnak, SNeal, CSmith, LHelderman, JWeissLitonjua, AO’Connor, GZeiger, RBacharier, LVolk, HOzonoff, SSchmidt, RSimhan, HKerver, JMBarone, CFussman, CPaneth, NElliott, MRuden, DPorucznik, CGiardino, AInnocenti, MSilver, RConradt, EBosquet-Enlow, MHuddleston, KNguyen, R2024-09-01BACKGROUND: Prenatal fish intake is a key source of omega-3 (ω-3) polyunsaturated fatty acids needed for brain development, yet intake is generally low, and studies addressing associations with autism spectrum disorder (ASD) and related traits are lacking.
OBJECTIVE: This study aimed to examine associations of prenatal fish intake and ω-3 supplement use with both autism diagnosis and broader autism-related traits.
METHODS: Participants were drawn from 32 cohorts in the Environmental influences on Child Health Outcomes Cohort Consortium. Children were born between 1999 and 2019 and part of ongoing follow-up with data available for analysis by August 2022. Exposures included self-reported maternal fish intake and ω-3/fish oil supplement use during pregnancy. Outcome measures included parent report of clinician-diagnosed ASD and parent-reported autism-related traits measured by the Social Responsiveness Scale (SRS)-second edition (n = 3939 and v3609 for fish intake analyses, respectively; n = 4537 and n = 3925 for supplement intake analyses, respectively).
RESULTS: In adjusted regression models, relative to no fish intake, fish intake during pregnancy was associated with reduced odds of autism diagnosis (odds ratio: 0.84; 95% confidence interval [CI]: 0.77, 0.92), and a modest reduction in raw total SRS scores (β: -1.69; 95% CI: -3.3, -0.08). Estimates were similar across categories of fish consumption from "any" or "less than once per week" to "more than twice per week." For ω-3 supplement use, relative to no use, no significant associations with autism diagnosis were identified, whereas a modest relation with SRS score was suggested (β: 1.98; 95% CI: 0.33, 3.64).
CONCLUSIONS: These results extend previous work by suggesting that prenatal fish intake, but not ω-3 supplement use, may be associated with lower likelihood of both autism diagnosis and related traits. Given the low-fish intake in the United States general population and the rising autism prevalence, these findings suggest the need for better public health messaging regarding guidelines on fish intake for pregnant individuals.3215 Reproductive Medicine (for-2020)32 Biomedical and Clinical Sciences (for-2020)Behavioral and Social Science (rcdc)Brain Disorders (rcdc)Intellectual and Developmental Disabilities (IDD) (rcdc)Pediatric Research Initiative (rcdc)Pregnancy (rcdc)Prevention (rcdc)Mental Health (rcdc)Women's Health (rcdc)Complementary and Integrative Health (rcdc)Basic Behavioral and Social Science (rcdc)Nutrition (rcdc)Neurosciences (rcdc)Conditions Affecting the Embryonic and Fetal Periods (rcdc)Clinical Research (rcdc)Autism (rcdc)Mental health (hrcs-hc)Reproductive health and childbirth (hrcs-hc)3 Good Health and Well Being (sdg)Humans (mesh)Female (mesh)Pregnancy (mesh)Fatty AcidsOmega-3 (mesh)Dietary Supplements (mesh)Cohort Studies (mesh)Animals (mesh)Male (mesh)Child (mesh)Adult (mesh)Autism Spectrum Disorder (mesh)Seafood (mesh)Fishes (mesh)Prenatal Exposure Delayed Effects (mesh)ChildPreschool (mesh)Autistic Disorder (mesh)Diet (mesh)Maternal Nutritional Physiological Phenomena (mesh)pregnancyautismquantitative traitsfishomega-3 supplementpregnancyautismquantitative traitsprogram collaborators for Environmental influences on Child Health OutcomesECHO ComponentsCoordinating CenterData Analysis CenterPerson-Reported Outcomes CoreECHO Awardees and CohortsAnimals (mesh)Fishes (mesh)Humans (mesh)Prenatal Exposure Delayed Effects (mesh)Fatty AcidsOmega-3 (mesh)Diet (mesh)Cohort Studies (mesh)Autistic Disorder (mesh)Pregnancy (mesh)Dietary Supplements (mesh)Seafood (mesh)Adult (mesh)Child (mesh)ChildPreschool (mesh)Female (mesh)Male (mesh)Maternal Nutritional Physiological Phenomena (mesh)Autism Spectrum Disorder (mesh)autismfishpregnancyquantitative traitsω-3 supplementHumans (mesh)Female (mesh)Pregnancy (mesh)Fatty AcidsOmega-3 (mesh)Dietary Supplements (mesh)Cohort Studies (mesh)Animals (mesh)Male (mesh)Child (mesh)Adult (mesh)Autism Spectrum Disorder (mesh)Seafood (mesh)Fishes (mesh)Prenatal Exposure Delayed Effects (mesh)ChildPreschool (mesh)Autistic Disorder (mesh)Diet (mesh)Maternal Nutritional Physiological Phenomena (mesh)09 Engineering (for)11 Medical and Health Sciences (for)Nutrition & Dietetics (science-metrix)3202 Clinical sciences (for-2020)3210 Nutrition and dietetics (for-2020)application/pdfCC-BY-NC-NDeScholarship, University of Californiahttps://escholarship.org/uc/item/8274g9tphttps://escholarship.org/content/qt8274g9tp/qt8274g9tp.pdfinfo:doi/10.1016/j.ajcnut.2024.06.013articleAmerican Journal of Clinical Nutrition, vol 120, iss 3583 - 592oai:escholarship.org:ark:/13030/qt1qp5v1xf2026-04-04T16:32:44Zqt1qp5v1xfCompression of a Stearic Acid Surfactant Layer on Water Investigated by Ambient Pressure X‑ray Photoelectron SpectroscopyHoek, HarmenGerber, TimmRichter, ClemensDupuy, RémiRapf, Rebecca JOertel, HolgerButtersack, TillmannTrotochaud, LenaKarslıoğlu, OsmanGoodacre, DanaBlum, MonikaGericke, Sabrina MBuechner, ChristinRude, BruceMugele, FriederWilson, Kevin RBluhm, Hendrik2024-04-18We present a combined Langmuir-Pockels trough and ambient pressure X-ray photoelectron spectroscopy (APXPS) study of the compression of stearic acid surfactant layers on neat water. Changes in the packing density of the molecules are directly determined from C 1s and O 1s APXPS data. The experimental data are fit with a 2D model for the stearic acid coverage. Based on the results of these proof-of-principle experiments, we discuss the remaining challenges that need to be overcome for future investigations of the role of surfactants in heterogeneous chemical reactions at liquid-vapor interfaces in combined Langmuir-Pockels trough and APXPS measurements.51 Physical Sciences (for-2020)34 Chemical Sciences (for-2020)3406 Physical Chemistry (for-2020)CSD-03-CPIMS-A (c-lbnl-label)02 Physical Sciences (for)03 Chemical Sciences (for)09 Engineering (for)34 Chemical sciences (for-2020)40 Engineering (for-2020)51 Physical sciences (for-2020)application/pdfCC-BYeScholarship, University of Californiahttps://escholarship.org/uc/item/1qp5v1xfhttps://escholarship.org/content/qt1qp5v1xf/qt1qp5v1xf.pdfinfo:doi/10.1021/acs.jpcb.4c00451articleThe Journal of Physical Chemistry B, vol 128, iss 153755 - 3763oai:escholarship.org:ark:/13030/qt600139fw2026-04-04T16:28:01Zqt600139fwA Metric of Species’ CharismaFreedman, HaydenTomlinson, WilliamTorrance, AndrewVan Der Hoek, Adriaan2021-08-02Species are often targeted for conservation based on their “charisma”. A comprehensive, quantitative metric for species charisma could improve conservation efforts and help ensure that even low-charisma species are protected. We investigated whether metrics based on Wikipedia (species article length, links to and from each species page, and Google’s PageRank) could be used to assess the charisma of endangered species, evaluated using prior work on species charisma (Albert et al. 2018). We evaluated three Wikipedia-based metrics based on their ability to assess endangered species charisma. We found highly significant correlations for all three metrics, with article length the most significant (rpb=0.57; p < .00001**).application/pdfCC-BY-NC-NDeScholarship, University of Californiahttps://escholarship.org/uc/item/600139fwhttps://escholarship.org/content/qt600139fw/qt600139fw.pdfnon_textualoai:escholarship.org:ark:/13030/qt06f6q49d2026-04-04T16:27:48Zqt06f6q49dSearch for new phenomena in events containing a same-flavour opposite-sign dilepton pair, jets, and large missing transverse momentum in s=13 TeVpp collisions with the ATLAS detectorAaboud, MAad, GAbbott, BAbdallah, JAbdinov, OAbeloos, BAbouZeid, OSAbraham, NLAbramowicz, HAbreu, HAbreu, RAbulaiti, YAcharya, BSAdachi, SAdamczyk, LAdams, DLAdelman, JAdye, TAffolder, AAAgatonovic-Jovin, TAgheorghiesei, CAguilar-Saavedra, JAAhlen, SPAhmadov, FAielli, GAkerstedt, HÅkesson, TPAAkimov, AVAlberghi, GLAlbert, JVerzini, MJ AlconadaAleksa, MAleksandrov, INAlexa, CAlexander, GAlexopoulos, TAlhroob, MAli, BAliev, MAlimonti, GAlison, JAlkire, SPAllbrooke, BMMAllen, BWAllport, PPAloisio, AAlonso, AAlonso, FAlpigiani, CAlshehri, AAAlstaty, MGonzalez, B AlvarezPiqueras, D ÁlvarezAlviggi, MGAmadio, BTCoutinho, Y AmaralAmelung, CAmidei, DSantos, SP Amor DosAmorim, AAmoroso, SAmundsen, GAnastopoulos, CAncu, LSAndari, NAndeen, TAnders, CFAnders, JKAnderson, KJAndreazza, AAndrei, VAngelidakis, SAngelozzi, IAngerami, AAnghinolfi, FAnisenkov, AVAnjos, NAnnovi, AAntel, CAntonelli, MAntonov, AAntrim, DJAnulli, FAoki, MBella, L AperioArabidze, GArai, YAraque, JPFerraz, V AraujoArce, ATHArduh, FAArguin, J-FArgyropoulos, SArik, MArmbruster, AJArmitage, LJArnaez, OArnold, HArratia, MArslan, O2017-03-01Two searches for new phenomena in final states containing a same-flavour opposite-sign lepton (electron or muon) pair, jets, and large missing transverse momentum are presented. These searches make use of proton–proton collision data, collected during 2015 and 2016 at a centre-of-mass energy s=13$$\sqrt{s}=13$$ TeV$$\text {TeV}$$ by the ATLAS detector at the large hadron collider, which correspond to an integrated luminosity of 14.7fb-1$$14.7~\mathrm {fb}^{-1}$$. Both searches target the pair production of supersymmetric particles, squarks or gluinos, which decay to final states containing a same-flavour opposite-sign lepton pair via one of two mechanisms: a leptonically decaying Z boson in the final state, leading to a peak in the dilepton invariant-mass distribution around the Z boson mass; and decays of neutralinos (e.g. χ~20→ℓ+ℓ-χ~10$$\tilde{\chi }_2^0 \rightarrow \ell ^+\ell ^- \tilde{\chi }_1^0$$), yielding a kinematic endpoint in the dilepton invariant-mass spectrum. The data are found to be consistent with the Standard Model expectation. Results are interpreted in simplified models of gluino-pair (squark-pair) production, and provide sensitivity to gluinos (squarks) with masses as large as 1.70 TeV$$\text {TeV}$$ (980 GeV$$\text {GeV}$$).5106 Nuclear and Plasma Physics (for-2020)5107 Particle and High Energy Physics (for-2020)51 Physical Sciences (for-2020)ATLAS CollaborationATLAS CollaborationATLAS CollaborationATLAS Collaborationhep-exhep-ex0202 AtomicMolecularNuclearParticle and Plasma Physics (for)0206 Quantum Physics (for)Nuclear & Particles Physics (science-metrix)5101 Astronomical sciences (for-2020)5102 Atomicmolecular and optical physics (for-2020)5107 Particle and high energy physics (for-2020)application/pdfCC-BYeScholarship, University of Californiahttps://escholarship.org/uc/item/06f6q49dhttps://escholarship.org/content/qt06f6q49d/qt06f6q49d.pdfinfo:doi/10.1140/epjc/s10052-017-4700-5articleEuropean Physical Journal C, vol 77, iss 3144oai:escholarship.org:ark:/13030/qt48c1v6zd2026-04-04T16:27:01Zqt48c1v6zdConstraints on non-Standard Model Higgs boson interactions in an effective Lagrangian using differential cross sections measured in the H→γγ decay channel at s=8 TeV with the ATLAS detectorCollaboration, ATLASAad, GAbbott, BAbdallah, JAbdinov, OAben, RAbolins, MAbouZeid, OSAbramowicz, HAbreu, HAbreu, RAbulaiti, YAcharya, BSAdamczyk, LAdams, DLAdelman, JAdomeit, SAdye, TAffolder, AAAgatonovic-Jovin, TAgricola, JAguilar-Saavedra, JAAhlen, SPAhmadov, FAielli, GAkerstedt, HÅkesson, TPAAkimov, AVAlberghi, GLAlbert, JAlbrand, SVerzini, MJ AlconadaAleksa, MAleksandrov, INAlexa, CAlexander, GAlexopoulos, TAlhroob, MAlimonti, GAlio, LAlison, JAlkire, SPAllbrooke, BMMAllport, PPAloisio, AAlonso, AAlonso, FAlpigiani, CAltheimer, AGonzalez, B AlvarezPiqueras, D ÁlvarezAlviggi, MGAmadio, BTAmako, KCoutinho, Y AmaralAmelung, CAmidei, DDos Santos, SP AmorAmorim, AAmoroso, SAmram, NAmundsen, GAnastopoulos, CAncu, LSAndari, NAndeen, TAnders, CFAnders, GAnders, JKAnderson, KJAndreazza, AAndrei, VAngelidakis, SAngelozzi, IAnger, PAngerami, AAnghinolfi, FAnisenkov, AVAnjos, NAnnovi, AAntonelli, MAntonov, AAntos, JAnulli, FAoki, MBella, L AperioArabidze, GArai, YAraque, JPArce, ATHArduh, FAArguin, J-FArgyropoulos, SArik, MArmbruster, AJArnaez, OArnal, VArnold, HArratia, MArslan, O2016-02-01The strength and tensor structure of the Higgs boson's interactions are investigated using an effective Lagrangian, which introduces additional CP-even and CP-odd interactions that lead to changes in the kinematic properties of the Higgs boson and associated jet spectra with respect to the Standard Model. The parameters of the effective Lagrangian are probed using a fit to five differential cross sections previously measured by the ATLAS experiment in the H→γγ decay channel with an integrated luminosity of 20.3 fb−1 at s=8 TeV. In order to perform a simultaneous fit to the five distributions, the statistical correlations between them are determined by re-analysing the H→γγ candidate events in the proton–proton collision data. No significant deviations from the Standard Model predictions are observed and limits on the effective Lagrangian parameters are derived. The statistical correlations are made publicly available to allow for future analysis of theories with non-Standard Model interactions.5106 Nuclear and Plasma Physics (for-2020)5107 Particle and High Energy Physics (for-2020)51 Physical Sciences (for-2020)hep-exhep-ex0105 Mathematical Physics (for)0201 Astronomical and Space Sciences (for)0202 AtomicMolecularNuclearParticle and Plasma Physics (for)Nuclear & Particles Physics (science-metrix)49 Mathematical sciences (for-2020)51 Physical sciences (for-2020)application/pdfCC-BYeScholarship, University of Californiahttps://escholarship.org/uc/item/48c1v6zdhttps://escholarship.org/content/qt48c1v6zd/qt48c1v6zd.pdfinfo:doi/10.1016/j.physletb.2015.11.071articlePhysics Letters B, vol 75369 - 85oai:escholarship.org:ark:/13030/qt3cq9x7422026-04-04T16:26:52Zqt3cq9x742Search for heavy lepton resonances decaying to a Z boson and a lepton in pp collisions at s=8 TeV with the ATLAS detectorThe ATLAS collaborationAad, GAbbott, BAbdallah, JAbdinov, OAben, RAbolins, MAbouZeid, OSAbramowicz, HAbreu, HAbreu, RAbulaiti, YAcharya, BSAdamczyk, LAdams, DLAdelman, JAdomeit, SAdye, TAffolder, AAAgatonovic-Jovin, TAguilar-Saavedra, JAAhlen, SPAhmadov, FAielli, GAkerstedt, HÅkesson, TPAAkimoto, GAkimov, AVAlberghi, GLAlbert, JAlbrand, SAlconada Verzini, MJAleksa, MAleksandrov, INAlexa, CAlexander, GAlexopoulos, TAlhroob, MAlimonti, GAlio, LAlison, JAlkire, SPAllbrooke, BMMAllport, PPAloisio, AAlonso, AAlonso, FAlpigiani, CAltheimer, AAlvarez Gonzalez, BÁlvarez Piqueras, DAlviggi, MGAmadio, BTAmako, KAmaral Coutinho, YAmelung, CAmidei, DAmor Dos Santos, SPAmorim, AAmoroso, SAmram, NAmundsen, GAnastopoulos, CAncu, LSAndari, NAndeen, TAnders, CFAnders, GAnders, JKAnderson, KJAndreazza, AAndrei, VAngelidakis, SAngelozzi, IAnger, PAngerami, AAnghinolfi, FAnisenkov, AVAnjos, NAnnovi, AAntonelli, MAntonov, AAntos, JAnulli, FAoki, MAperio Bella, LArabidze, GArai, YAraque, JPArce, ATHArduh, FAArguin, J-FArgyropoulos, SArik, MArmbruster, AJArnaez, OArnal, VArnold, HArratia, MArslan, O2015-09-01A search for heavy leptons decaying to a Z boson and an electron or a muon is presented. The search is based on pp collision data taken at s=8$$ \sqrt{s}=8 $$ TeV by the ATLAS experiment at the CERN Large Hadron Collider, corresponding to an integrated luminosity of 20.3 fb−1. Three high-transverse-momentum electrons or muons are selected, with two of them required to be consistent with originating from a Z boson decay. No significant excess above Standard Model background predictions is observed, and 95% confidence level limits on the production cross section of high-mass trilepton resonances are derived. The results are interpreted in the context of vector-like lepton and type-III seesaw models. For the vector-like lepton model, most heavy lepton mass values in the range 114–176 GeV are excluded. For the type-III seesaw model, most mass values in the range 100–468 GeV are excluded.5106 Nuclear and Plasma Physics (for-2020)5107 Particle and High Energy Physics (for-2020)51 Physical Sciences (for-2020)Hadron-Hadron Scatteringhep-exhep-ex0105 Mathematical Physics (for)0202 AtomicMolecularNuclearParticle and Plasma Physics (for)0206 Quantum Physics (for)Nuclear & Particles Physics (science-metrix)4902 Mathematical physics (for-2020)5106 Nuclear and plasma physics (for-2020)5107 Particle and high energy physics (for-2020)application/pdfCC-BYeScholarship, University of Californiahttps://escholarship.org/uc/item/3cq9x742https://escholarship.org/content/qt3cq9x742/qt3cq9x742.pdfinfo:doi/10.1007/jhep09(2015)108articleJournal of High Energy Physics, vol 2015, iss 9108oai:escholarship.org:ark:/13030/qt75m3j7012026-04-04T16:22:30Zqt75m3j701Transformative Technology for FLASH Radiation TherapySchulte, ReinhardJohnstone, CarolBoucher, SalimeEsarey, EricGeddes, Cameron GRKravchenko, MaksimKutsaev, SergeyLoo, Billy WMéot, FrançoisMustapha, BrahimNakamura, KeiNanni, Emilio AObst-Huebl, LieselotteSampayan, Stephen ESchroeder, Carl BSheng, KeSnijders, Antoine MSnively, EmmaTantawi, Sami GVan Tilborg, Jeroen2023-04-02The general concept of radiation therapy used in conventional cancer treatment is to increase the therapeutic index by creating a physical dose differential between tumors and normal tissues through precision dose targeting, image guidance, and radiation beams that deliver a radiation dose with high conformality, e.g., protons and ions. However, the treatment and cure are still limited by normal tissue radiation toxicity, with the corresponding side effects. A fundamentally different paradigm for increasing the therapeutic index of radiation therapy has emerged recently, supported by preclinical research, and based on the FLASH radiation effect. FLASH radiation therapy (FLASH-RT) is an ultra-high-dose-rate delivery of a therapeutic radiation dose within a fraction of a second. Experimental studies have shown that normal tissues seem to be universally spared at these high dose rates, whereas tumors are not. While dose delivery conditions to achieve a FLASH effect are not yet fully characterized, it is currently estimated that doses delivered in less than 200 ms produce normal-tissue-sparing effects, yet effectively kill tumor cells. Despite a great opportunity, there are many technical challenges for the accelerator community to create the required dose rates with novel compact accelerators to ensure the safe delivery of FLASH radiation beams.5105 Medical and Biological Physics (for-2020)32 Biomedical and Clinical Sciences (for-2020)3202 Clinical Sciences (for-2020)51 Physical Sciences (for-2020)3211 Oncology and Carcinogenesis (for-2020)Cancer (rcdc)Radiation Oncology (rcdc)Rare Diseases (rcdc)Orphan Drug (rcdc)5.1 Pharmaceuticals (hrcs-rac)5.5 Radiotherapy and other non-invasive therapies (hrcs-rac)Cancer (hrcs-hc)particle acceleratorsFLASH effectradiation therapyFLASH effectparticle acceleratorsradiation therapyapplication/pdfCC-BYeScholarship, University of Californiahttps://escholarship.org/uc/item/75m3j701https://escholarship.org/content/qt75m3j701/qt75m3j701.pdfinfo:doi/10.3390/app13085021articleApplied Sciences, vol 13, iss 85021oai:escholarship.org:ark:/13030/qt66b3m2rd2026-04-04T16:19:22Zqt66b3m2rdApplied Metrology for the Assembly of the Nb3Sn MQXFA Quadrupole Magnets for the HL-LHC AUPRay, Katherine LAmbrosio, GiorgioCheng, Daniel WFerracin, PaoloPrestemon, SorenSolis, Michael J2023-01-01The US HL-LHC Accelerator Upgrade Project (AUP) is building Nb3Sn quadrupole magnets, called MQXFA, with plans to install 16 of them in the HL-LHC Interaction Regions. Variability in coil size must be dealt with at the assembly level, which requires timely and repeatable measurement of each coil. In this paper we will present the methodology used for coil measurements and the geometrical size data for the coils that have been measured thus far. We will also show the coil measurements of 8 coils before and after cold test. The Leica AT960-MR laser tracker with Spatial Analyzer software acquired to achieve these measurements has been used elsewhere in the project to great effect.5106 Nuclear and Plasma Physics (for-2020)51 Physical Sciences (for-2020)Bioengineering (rcdc)Accelerator magnetsgeometrical measurementshigh luminosity LHCmetrologyNb3Sn magnetsATAP-2023 (c-lbnl-label)ATAP-SMP (c-lbnl-label)ATAP-GENERAL (c-lbnl-label)0204 Condensed Matter Physics (for)0906 Electrical and Electronic Engineering (for)0912 Materials Engineering (for)General Physics (science-metrix)4008 Electrical engineering (for-2020)5104 Condensed matter physics (for-2020)application/pdfCC-BY-NC-SAeScholarship, University of Californiahttps://escholarship.org/uc/item/66b3m2rdhttps://escholarship.org/content/qt66b3m2rd/qt66b3m2rd.pdfinfo:doi/10.1109/tasc.2023.3243876articleIEEE Transactions on Applied Superconductivity, vol 33, iss 51 - 6oai:escholarship.org:ark:/13030/qt6hk729fn2026-04-04T16:18:28Zqt6hk729fnObservation of electroweak production of two jets and a Z-boson pairAad, GAbbott, BAbbott, DCAbud, A AbedAbeling, KAbhayasinghe, DKAbidi, SHAbouZeid, OSAbraham, NLAbramowicz, HAbreu, HAbulaiti, YAcharya, BSAchkar, BAdachi, SAdam, LBourdarios, C AdamAdamczyk, LAdamek, LAdelman, JAdersberger, MAdiguzel, AAdorni, SAdye, TAffolder, AAAfik, YAgapopoulou, CAgaras, MNAggarwal, AAgheorghiesei, CAguilar-Saavedra, JAAhmadov, FAhmed, WSAi, XAielli, GAkatsuka, SÅkesson, TPAAkilli, EAkimov, AVAl Khoury, KAlberghi, GLAlbert, JVerzini, MJ AlconadaAlderweireldt, SAleksa, MAleksandrov, INAlexa, CAlexopoulos, TAlfonsi, AAlfonsi, FAlhroob, MAli, BAliev, MAlimonti, GAllaire, CAllbrooke, BMMAllen, BWAllport, PPAloisio, AAlonso, FAlpigiani, CAlshehri, AACamelia, E AlunnoEstevez, M AlvarezAlviggi, MGCoutinho, Y AmaralAmbler, AAmbroz, LAmelung, CAmidei, DDos Santos, SP AmorAmoroso, SAmrouche, CSAn, FAnastopoulos, CAndari, NAndeen, TAnders, CFAnders, JKAndreazza, AAndrei, VAnelli, CRAngelidakis, SAngerami, AAnisenkov, AVAnnovi, AAntel, CAnthony, MTAntipov, EAntonelli, MAntrim, DJAAnulli, FAoki, MPozo, JA AparisiAparo, MABella, L AperioAraque, JPFerraz, V AraujoPereira, R AraujoArcangeletti, C2023-02-01Electroweak symmetry breaking explains the origin of the masses of elementary particles through their interactions with the Higgs field. Besides the measurements of the Higgs boson properties, the study of the scattering of massive vector bosons with spin 1 allows the nature of electroweak symmetry breaking to be probed. Among all processes related to vector-boson scattering, the electroweak production of two jets and a Z-boson pair is a rare and important one. Here we report the observation of this process from proton–proton collision data corresponding to an integrated luminosity of 139 fb−1 recorded at a centre-of-mass energy of 13 TeV with the ATLAS detector at the Large Hadron Collider. We consider two different final states originating from the decays of the Z-boson pair: one containing four charged leptons and another containing two charged leptons and two neutrinos. The hypothesis of no electroweak production is rejected with a statistical significance of 5.7σ, and the measured cross-section for electroweak production is consistent with the Standard Model prediction. In addition, we report cross-sections for inclusive production of a Z-boson pair and two jets for the two final states.5106 Nuclear and Plasma Physics (for-2020)5107 Particle and High Energy Physics (for-2020)51 Physical Sciences (for-2020)01 Mathematical Sciences (for)02 Physical Sciences (for)Fluids & Plasmas (science-metrix)49 Mathematical sciences (for-2020)51 Physical sciences (for-2020)application/pdfCC-BYeScholarship, University of Californiahttps://escholarship.org/uc/item/6hk729fnhttps://escholarship.org/content/qt6hk729fn/qt6hk729fn.pdfinfo:doi/10.1038/s41567-022-01757-yarticleNature Physics, vol 19, iss 2237 - 253oai:escholarship.org:ark:/13030/qt6xw0x69d2026-04-04T16:14:49Zqt6xw0x69dCarbon nanotube substrates enhance SARS-CoV-2 spike protein ion yields in matrix-assisted laser desorption–ionization mass spectrometrySchenkel, TSnijders, AMNakamura, KSeidl, PAMak, BObst-Huebl, LKnobel, HPong, IPersaud, Avan Tilborg, JOstermayr, TSteinke, SBlakely, EAJi, QJavey, AKapadia, RGeddes, CGREsarey, E2023-01-30Nanostructured surfaces enhance ion yields in matrix-assisted laser desorption–ionization mass spectrometry (MALDI-MS). The spike protein complex, S1, is one fingerprint signature of Sars-CoV-2 with a mass of 75 kDa. Here, we show that MALDI-MS yields of Sars-CoV-2 spike protein ions in the 100 kDa range are enhanced 50-fold when the matrix–analyte solution is placed on substrates that are coated with a dense forest of multi-walled carbon nanotubes, compared to yields from uncoated substrates. Nanostructured substrates can support the development of mass spectrometry techniques for sensitive pathogen detection and environmental monitoring.40 Engineering (for-2020)51 Physical Sciences (for-2020)Nanotechnology (rcdc)Bioengineering (rcdc)Infectious Diseases (rcdc)Emerging Infectious Diseases (rcdc)Coronaviruses (rcdc)ATAP-FS&IBT (c-lbnl-label)ATAP-BELLA Center (c-lbnl-label)ATAP-SMP (c-lbnl-label)ATAP-GENERAL (c-lbnl-label)ATAP-2023 (c-lbnl-label)ATAP-FS-IBT (c-lbnl-label)02 Physical Sciences (for)09 Engineering (for)10 Technology (for)Applied Physics (science-metrix)40 Engineering (for-2020)51 Physical sciences (for-2020)application/pdfpubliceScholarship, University of Californiahttps://escholarship.org/uc/item/6xw0x69dhttps://escholarship.org/content/qt6xw0x69d/qt6xw0x69d.pdfinfo:doi/10.1063/5.0128667articleApplied Physics Letters, vol 122, iss 5050601oai:escholarship.org:ark:/13030/qt1jf3t79n2026-04-04T16:09:58Zqt1jf3t79nThe effect of quasar redshift errors on Lyman-α forest correlation functionsYoules, SamanthaBautista, Julian EFont-Ribera, AndreuBacon, DavidRich, JamesBrooks, DavidDavis, Tamara MDawson, Kylede la Macorra, AxelDhungana, GovindaDoel, PeterFanning, KevinGaztañaga, EnriqueGontcho, Satya Gontcho AGonzalez-Morales, Alma XGuy, JulienHonscheid, KlausIršič, VidKehoe, RobertKirkby, DavidKisner, TheodoreLandriau, MartinLe Guillou, LaurentLevi, Michael EMartini, PaulMuñoz-Gutiérrez, AndreaPalanque-Delabrouille, NathaliePérez-Ràfols, IgnasiPoppett, ClaireRamírez-Pérez, CésarSchubnell, MichaelTarlé, GregoryWalther, Michael2022-08-25ABSTRACT
Using synthetic Lyman-α forests from the Dark Energy Spectroscopic Instrument (DESI) survey, we present a study of the impact of errors in the estimation of quasar redshift on the Lyman-α correlation functions. Estimates of quasar redshift have large uncertainties of a few hundred km s−1 due to the broadness of the emission lines and the intrinsic shifts from other emission lines. We inject Gaussian random redshift errors into the mock quasar catalogues, and measure the auto-correlation and the Lyman-α-quasar cross-correlation functions. We find a smearing of the BAO feature in the radial direction, but changes in the peak position are negligible. However, we see a significant unphysical correlation for small separations transverse to the line of sight which increases with the amplitude of the redshift errors. We interpret this contamination as a result of the broadening of emission lines in the measured mean continuum, caused by quasar redshift errors, combined with the unrealistically strong clustering of the simulated quasars on small scales.5101 Astronomical Sciences (for-2020)51 Physical Sciences (for-2020)large-scale structure of Universecosmology: theory0201 Astronomical and Space Sciences (for)Astronomy & Astrophysics (science-metrix)5101 Astronomical sciences (for-2020)5107 Particle and high energy physics (for-2020)5109 Space sciences (for-2020)application/pdfCC-BYeScholarship, University of Californiahttps://escholarship.org/uc/item/1jf3t79nhttps://escholarship.org/content/qt1jf3t79n/qt1jf3t79n.pdfinfo:doi/10.1093/mnras/stac2102articleMonthly Notices of the Royal Astronomical Society, vol 516, iss 1421 - 433oai:escholarship.org:ark:/13030/qt2ht3m6xz2026-04-04T16:06:21Zqt2ht3m6xzMeasurement of the jet mass in highly boosted tt¯ events from pp collisions at s√=8 TeVSirunyan, AMTumasyan, AAdam, WAsilar, EBergauer, TBrandstetter, JBrondolin, EDragicevic, MErö, JFlechl, MFriedl, MFrühwirth, RGhete, VMHartl, CHörmann, NHrubec, JJeitler, MKönig, AKrätschmer, ILiko, DMatsushita, TMikulec, IRabady, DRad, NRahbaran, BRohringer, HSchieck, JStrauss, JWaltenberger, WWulz, C-EDvornikov, OMakarenko, VMossolov, VSuarez Gonzalez, JZykunov, VShumeiko, NAlderweireldt, SDe Wolf, EAJanssen, XLauwers, JVan De Klundert, MVan Haevermaet, HVan Mechelen, PVan Remortel, NVan Spilbeeck, AAbu Zeid, SBlekman, FD'Hondt, JDaci, NDe Bruyn, IDeroover, KLowette, SMoortgat, SMoreels, LOlbrechts, APython, QSkovpen, KTavernier, SVan Doninck, WVan Mulders, PVan Parijs, IBrun, HClerbaux, BDe Lentdecker, GDelannoy, HFasanella, GFavart, LGoldouzian, RGrebenyuk, AKarapostoli, GLenzi, TLéonard, ALuetic, JMaerschalk, TMarinov, ARandle-Conde, ASeva, TVander Velde, CVanlaer, PVannerom, DYonamine, RZenoni, FZhang, FCimmino, ACornelis, TDobur, DFagot, AGul, MKhvastunov, IPoyraz, DSalva, SSchöfbeck, RTytgat, MVan Driessche, WYazgan, EZaganidis, NBakhshiansohi, HBeluffi, CBondu, OBrochet, S2017-01-01The first measurement of the jet mass mjet of top quark jets produced in tt¯ events from pp collisions at s√=8 TeV is reported for the jet with the largest transverse momentum pT in highly boosted hadronic top quark decays. The data sample, collected with the CMS detector, corresponds to an integrated luminosity of 19.7fb−1. The measurement is performed in the lepton+jets channel in which the products of the semileptonic decay t→bW with W→ℓν where ℓ is an electron or muon, are used to select tt¯ events with large Lorentz boosts. The products of the fully hadronic decay t→bW with W→qq¯¯¯′ are reconstructed using a single Cambridge–Aachen jet with distance parameter R=1.2, and pT>400 GeV. The tt¯ cross section as a function of mjet is unfolded at the particle level and is used to test the modelling of highly boosted top quark production. The peak position of the mjet distribution is sensitive to the top quark mass mt, and the data are used to extract a value of mt to assess this sensitivity.CMS Collaboration5106 Nuclear and Plasma Physics (for-2020)5107 Particle and High Energy Physics (for-2020)51 Physical Sciences (for-2020)CMS CollaborationCMSPhysicsTop quark cross sectionTop quark mass0202 AtomicMolecularNuclearParticle and Plasma Physics (for)0206 Quantum Physics (for)Nuclear & Particles Physics (science-metrix)5101 Astronomical sciences (for-2020)5102 Atomicmolecular and optical physics (for-2020)5107 Particle and high energy physics (for-2020)application/pdfpubliceScholarship, University of Californiahttps://escholarship.org/uc/item/2ht3m6xzhttps://escholarship.org/content/qt2ht3m6xz/qt2ht3m6xz.pdfinfo:doi/10.1140/epjc/s10052-017-5030-3articleThe European Physical Journal C - Particles and Fields, vol 77, iss 7467 - 467oai:escholarship.org:ark:/13030/qt5db177jg2026-04-04T16:06:12Zqt5db177jgAmyloid pathway-based candidate gene analysis of [11C]PiB-PET in the Alzheimer’s Disease Neuroimaging Initiative (ADNI) cohortSwaminathan, ShankerShen, LiRisacher, Shannon LYoder, Karmen KWest, John DKim, SungeunNho, KwangsikForoud, TatianaInlow, MarkPotkin, Steven GHuentelman, Matthew JCraig, David WJagust, William JKoeppe, Robert AMathis, Chester AJack, Clifford RWeiner, Michael WSaykin, Andrew Jthe Alzheimer’s Disease Neuroimaging Initiative (ADNI)2012-03-01Amyloid imaging with [11 C]Pittsburgh Compound-B (PiB) provides in vivo data on plaque deposition in those with, or at risk for, Alzheimer’s disease (AD). We performed a gene-based association analysis of 15 quality-controlled amyloid-pathway associated candidate genes in 103 Alzheimer’s Disease Neuroimaging Initiative participants. The mean normalized PiB uptake value across four brain regions known to have amyloid deposition in AD was used as a quantitative phenotype. The minor allele of an intronic SNP within DHCR24 was identified and associated with a lower average PiB uptake. Further investigation at whole-brain voxel-wise level indicated that non-carriers of the minor allele had higher PiB uptake in frontal regions compared to carriers. DHCR24 has been previously shown to confer resistance against beta-amyloid and oxidative stress-induced apoptosis, thus our findings support a neuroprotective role. Pathway-based genetic analysis of targeted molecular imaging phenotypes appears promising to help elucidate disease pathophysiology and identify potential therapeutic targets.5202 Biological Psychology (for-2020)52 Psychology (for-2020)Acquired Cognitive Impairment (rcdc)Biomedical Imaging (rcdc)Neurosciences (rcdc)Brain Disorders (rcdc)Aging (rcdc)Neurodegenerative (rcdc)Alzheimer's Disease including Alzheimer's Disease Related Dementias (AD/ADRD) (rcdc)Genetics (rcdc)Alzheimer's Disease (rcdc)Dementia (rcdc)2.1 Biological and endogenous factors (hrcs-rac)Neurological (hrcs-hc)Aged (mesh)Aged80 and over (mesh)Alzheimer Disease (mesh)Amyloidosis (mesh)Aniline Compounds (mesh)Benzothiazoles (mesh)Brain (mesh)Carbon Radioisotopes (mesh)Cohort Studies (mesh)DatabasesFactual (mesh)Female (mesh)Gene Expression Profiling (mesh)Genotype (mesh)Humans (mesh)Male (mesh)Phenotype (mesh)PolymorphismSingle Nucleotide (mesh)Positron-Emission Tomography (mesh)Risk Factors (mesh)Thiazoles (mesh)Alzheimer's diseaseADNIPathway-based gene analysisPiB-PETEndophenotypeVoxel-based analysisAlzheimer’s Disease Neuroimaging InitiativeBrain (mesh)Humans (mesh)Alzheimer Disease (mesh)Amyloidosis (mesh)Carbon Radioisotopes (mesh)Aniline Compounds (mesh)Thiazoles (mesh)Positron-Emission Tomography (mesh)Risk Factors (mesh)Cohort Studies (mesh)Gene Expression Profiling (mesh)Genotype (mesh)Phenotype (mesh)PolymorphismSingle Nucleotide (mesh)DatabasesFactual (mesh)Aged (mesh)Aged80 and over (mesh)Female (mesh)Male (mesh)Benzothiazoles (mesh)Aged (mesh)Aged80 and over (mesh)Alzheimer Disease (mesh)Amyloidosis (mesh)Aniline Compounds (mesh)Benzothiazoles (mesh)Brain (mesh)Carbon Radioisotopes (mesh)Cohort Studies (mesh)DatabasesFactual (mesh)Female (mesh)Gene Expression Profiling (mesh)Genotype (mesh)Humans (mesh)Male (mesh)Phenotype (mesh)PolymorphismSingle Nucleotide (mesh)Positron-Emission Tomography (mesh)Risk Factors (mesh)Thiazoles (mesh)11 Medical and Health Sciences (for)17 Psychology and Cognitive Sciences (for)Experimental Psychology (science-metrix)32 Biomedical and clinical sciences (for-2020)42 Health sciences (for-2020)52 Psychology (for-2020)application/pdfCC-BY-NCeScholarship, University of Californiahttps://escholarship.org/uc/item/5db177jghttps://escholarship.org/content/qt5db177jg/qt5db177jg.pdfinfo:doi/10.1007/s11682-011-9136-1articleBrain Imaging and Behavior, vol 6, iss 11 - 15oai:escholarship.org:ark:/13030/qt6gk6f7js2026-04-04T16:05:55Zqt6gk6f7jsGenetic variations and their interaction with thirdhand smoke exposure on anxiety and memory in Collaborative Cross miceYao, YiyanWang, DaweiWang, PinTon, EthanSchick, Suzaynn FJacob, PeytonTang, XiaochenDestaillats, HugoHang, BoSnijders, Antoine MMao, Jian-HuaInman, Jamie LChang, Hang2026-03-01Thirdhand smoke (THS) is linked to adverse health effects, but the effect of genetic variations on behavioral outcomes is poorly understood. To investigate this, we assessed anxiety- and memory-related behaviors in 820 mice from 21 strains of the genetically diverse Collaborative Cross (CC) mouse that were exposed to THS from 4 through 10 weeks of age. Anxiety was evaluated with a light/dark box assay with a previously established risk score system. Females were generally more sensitive: THS reduced anxiety risk in strains CC013, CC019, and CC051, but increased risk in CC036 and CC061, while males showed no significant effects. Memory was tested using passive avoidance: impairments were observed in both sexes in CC016 and CC019, with sex-dependent effects in CC002 and CC051. A genome-wide association study identified 2,347 SNPs associated with anxiety and 1,568 SNPs with memory, with 32 and 85 SNPs, respectively, interacting with THS exposure. Enrichment analyses revealed distinct biological processes underlying susceptibility, including axonogenesis, synapse organization, cognition, and learning and memory. KEGG pathway analysis identified distinct genetic pathways, including GTPase binding and GTPase regulatory activity, that act as critical molecular switches in the brain that regulate synaptic plasticity, dendritic spine structure, and neuronal signaling, directly influencing anxiety-like behaviors and memory formation. These findings show that THS exposure affects neurobehavioral outcomes in a sex- and genotype-dependent manner, highlighting critical gene-environment interactions and providing a foundation for mechanistic insights into THS neurotoxicity31 Biological Sciences (for-2020)32 Biomedical and Clinical Sciences (for-2020)3105 Genetics (for-2020)5202 Biological Psychology (for-2020)52 Psychology (for-2020)3214 Pharmacology and Pharmaceutical Sciences (for-2020)Mental Health (rcdc)Basic Behavioral and Social Science (rcdc)Neurosciences (rcdc)Human Genome (rcdc)Genetics (rcdc)Women's Health (rcdc)Behavioral and Social Science (rcdc)2.1 Biological and endogenous factors (hrcs-rac)1.1 Normal biological development and functioning (hrcs-rac)Neurological (hrcs-hc)Mental health (hrcs-hc)AnxietyBehaviorCollaborative crossGenetic susceptibilityGenome-wide association studyMemoryThirdhand smokeEnvironmental Sciences (science-metrix)application/pdfCC-BYeScholarship, University of Californiahttps://escholarship.org/uc/item/6gk6f7jshttps://escholarship.org/content/qt6gk6f7js/qt6gk6f7js.pdfinfo:doi/10.1016/j.envint.2026.110197articleEnvironment International, vol 210110197oai:escholarship.org:ark:/13030/qt2w30z17d2026-04-04T16:05:39Zqt2w30z17dNo clinical utility of KRAS variant rs61764370 for ovarian or breast cancerOvarian Cancer Association Consortium, Breast Cancer Association ConsortiumHollestelle, Antoinettevan der Baan, Frederieke HBerchuck, AndrewJohnatty, Sharon EAben, Katja KAgnarsson, Bjarni AAittomäki, KristiinaAlducci, ElisaAndrulis, Irene LAnton-Culver, HodaAntonenkova, Natalia NAntoniou, Antonis CApicella, CarmelArndt, VolkerArnold, NorbertArun, Banu KArver, BritaAshworth, AlanGroup, Australian Ovarian Cancer StudyBaglietto, LauraBalleine, RosemaryBandera, Elisa VBarrowdale, DanielBean, Yukie TBeckmann, LarsBeckmann, Matthias WBenitez, JavierBerger, AndreasBerger, RaananBeuselinck, BenoitBisogna, MariaBjorge, LineBlomqvist, CarlBogdanova, Natalia VBojesen, AndersBojesen, Stig EBolla, Manjeet KBonanni, BernardoBrand, Judith SBrauch, HiltrudRegister, Breast Cancer FamilyBrenner, HermannBrinton, LouiseBrooks-Wilson, AngelaBruinsma, FionaBrunet, JoanBrüning, ThomasBudzilowska, AgnieszkaBunker, Clareann HBurwinkel, BarbaraButzow, RalfBuys, Saundra SCaligo, Maria ACampbell, IanCarter, JonathanChang-Claude, JennyChanock, Stephen JClaes, Kathleen BMCollée, J MargrietCook, Linda SCouch, Fergus JCox, AngelaCramer, DanielCross, Simon SCunningham, Julie MCybulski, CezaryCzene, KamilaDamiola, FrancescaDansonka-Mieszkowska, AgnieszkaDarabi, Hatefde la Hoya, MigueldeFazio, AnnaDennis, JosephDevilee, PeterDicks, Ed MDiez, OrlandDoherty, Jennifer ADomchek, Susan MDorfling, Cecilia MDörk, ThiloDos Santos Silva, Isabeldu Bois, AndreasDumont, MartineDunning, Alison MDuran, MercedesEaston, Douglas FEccles, DianaEdwards, Robert PEhrencrona, HansEjlertsen, BentEkici, Arif BEllis, Steve DEMBRACEEngel, ChristophEriksson, MikaelFasching, Peter AFeliubadalo, LidiaFigueroa, JonineFlesch-Janys, Dieter2016-05-01OBJECTIVE: Clinical genetic testing is commercially available for rs61764370, an inherited variant residing in a KRAS 3' UTR microRNA binding site, based on suggested associations with increased ovarian and breast cancer risk as well as with survival time. However, prior studies, emphasizing particular subgroups, were relatively small. Therefore, we comprehensively evaluated ovarian and breast cancer risks as well as clinical outcome associated with rs61764370.
METHODS: Centralized genotyping and analysis were performed for 140,012 women enrolled in the Ovarian Cancer Association Consortium (15,357 ovarian cancer patients; 30,816 controls), the Breast Cancer Association Consortium (33,530 breast cancer patients; 37,640 controls), and the Consortium of Modifiers of BRCA1 and BRCA2 (14,765 BRCA1 and 7904 BRCA2 mutation carriers).
RESULTS: We found no association with risk of ovarian cancer (OR=0.99, 95% CI 0.94-1.04, p=0.74) or breast cancer (OR=0.98, 95% CI 0.94-1.01, p=0.19) and results were consistent among mutation carriers (BRCA1, ovarian cancer HR=1.09, 95% CI 0.97-1.23, p=0.14, breast cancer HR=1.04, 95% CI 0.97-1.12, p=0.27; BRCA2, ovarian cancer HR=0.89, 95% CI 0.71-1.13, p=0.34, breast cancer HR=1.06, 95% CI 0.94-1.19, p=0.35). Null results were also obtained for associations with overall survival following ovarian cancer (HR=0.94, 95% CI 0.83-1.07, p=0.38), breast cancer (HR=0.96, 95% CI 0.87-1.06, p=0.38), and all other previously-reported associations.
CONCLUSIONS: rs61764370 is not associated with risk of ovarian or breast cancer nor with clinical outcome for patients with these cancers. Therefore, genotyping this variant has no clinical utility related to the prediction or management of these cancers.32 Biomedical and Clinical Sciences (for-2020)3211 Oncology and Carcinogenesis (for-2020)Clinical Research (rcdc)Ovarian Cancer (rcdc)Cancer (rcdc)Prevention (rcdc)Breast Cancer (rcdc)Genetics (rcdc)Human Genome (rcdc)Clinical Trials and Supportive Activities (rcdc)Genetic Testing (rcdc)Rare Diseases (rcdc)Women's Health (rcdc)2.1 Biological and endogenous factors (hrcs-rac)Cancer (hrcs-hc)Breast Neoplasms (mesh)CarcinomaOvarian Epithelial (mesh)Female (mesh)Humans (mesh)NeoplasmsGlandular and Epithelial (mesh)Ovarian Neoplasms (mesh)Proto-Oncogene Proteins p21(ras) (mesh)KRAS variantBreast cancerOvarian cancerGenetic associationClinical outcomeOvarian Cancer Association ConsortiumBreast Cancer Association Consortiumand Consortium of Modifiers of BRCA1 and BRCA2Australian Ovarian Cancer Study GroupBreast Cancer Family RegisterEMBRACEGEMO Study CollaboratorsGENICA NetworkHEBONKConFab InvestigatorsSWE-BRCAHumans (mesh)NeoplasmsGlandular and Epithelial (mesh)Breast Neoplasms (mesh)Ovarian Neoplasms (mesh)Female (mesh)Proto-Oncogene Proteins p21(ras) (mesh)CarcinomaOvarian Epithelial (mesh)Breast cancerClinical outcomeGenetic associationKRAS variantOvarian cancerBreast Neoplasms (mesh)CarcinomaOvarian Epithelial (mesh)Female (mesh)Humans (mesh)NeoplasmsGlandular and Epithelial (mesh)Ovarian Neoplasms (mesh)Proto-Oncogene Proteins p21(ras) (mesh)1112 Oncology and Carcinogenesis (for)1114 Paediatrics and Reproductive Medicine (for)Oncology & Carcinogenesis (science-metrix)3202 Clinical sciences (for-2020)3211 Oncology and carcinogenesis (for-2020)3215 Reproductive medicine (for-2020)publiceScholarship, University of Californiahttps://escholarship.org/uc/item/2w30z17dinfo:doi/10.1016/j.ygyno.2015.04.034articleGynecologic Oncology, vol 141, iss 2386 - 401oai:escholarship.org:ark:/13030/qt8tm1v6zj2026-04-04T16:05:13Zqt8tm1v6zjnf-core/proteinfamilies: A scalable pipeline for the generation of protein familiesKaratzas, EvangelosBeracochea, MartinBaltoumas, Fotis AAplakidou, EleniRichardson, LornaYates, James A FellowsLundin, DanielBuluç, AydinKyrpides, Nikos CGeorgakopoulos-Soares, IliasPavlopoulos, Georgios AFinn, Robert D2026-01-21The growth of metagenomics-derived amino acid sequence data has transformed our understanding of protein function, microbial diversity, and evolutionary relationships. However, the vast majority of these proteins remain functionally uncharacterized. Grouping the millions of such uncharacterised sequences with the few experimentally characterised ones allows the transfer of annotations, while the inspection of conserved residues with multiple sequence alignments can provide clues to function, even in the absence of existing functional information. To address the challenges associated with this data surge and the need to group sequences, we present a scalable, open-source, parametrizable Nextflow pipeline (nf-core/proteinfamilies) that generates nascent protein families or assigns new proteins to existing families. The computational benchmarks demonstrated that resource usage scales approximately linearly with input size, and the biological benchmarks showed that the generated protein families closely resemble manually curated families in widely used databases.3101 Biochemistry and Cell Biology (for-2020)3102 Bioinformatics and Computational Biology (for-2020)31 Biological Sciences (for-2020)Genetics (rcdc)Networking and Information Technology R&D (NITRD) (rcdc)Generic health relevance (hrcs-hc)protein familiesworkflowprofile hidden Markov modelmetagenomicsNextflownf-corenf-core communityProteins (mesh)Sequence Alignment (mesh)Computational Biology (mesh)Software (mesh)DatabasesProtein (mesh)Metagenomics (mesh)Molecular Sequence Annotation (mesh)Nextflowmetagenomicsnf-coreprofile hidden Markov modelprotein familiesworkflowProteins (mesh)Software (mesh)Computational Biology (mesh)DatabasesProtein (mesh)Metagenomics (mesh)Sequence Alignment (mesh)Molecular Sequence Annotation (mesh)application/pdfCC-BYeScholarship, University of Californiahttps://escholarship.org/uc/item/8tm1v6zjhttps://escholarship.org/content/qt8tm1v6zj/qt8tm1v6zj.pdfinfo:doi/10.1093/gigascience/giag009articleGigaScience, vol 15giag009oai:escholarship.org:ark:/13030/qt895730mq2026-04-04T16:05:08Zqt895730mqLinkML: An Open Data Modeling FrameworkMoxon, Sierra ATSolbrig, HaroldHarris, Nomi LKalita, PatrickMiller, Mark APatil, SujaySchaper, KevinBizon, ChrisCaufield, J HarryCuesta, Silvano CirujanoCox, CoreyDekervel, FrankDooley, Damion MDuncan, William DFliss, TimGehrke, SarahGraefe, Adam SLHegde, HarshadIreland, AJJacobsen, Julius OBKrishnamurthy, MadanKroll, CarloLinke, DavidLy, RyanMatentzoglu, NicolasOverton, James ASaunders, Jonny LUnni, Deepak RVaidya, GauravVierdag, Wouter-Michiel AMRuebel, OliverChute, Christopher GBrush, Matthew HHaendel, Melissa AMungall, Christopher J2025-12-12BACKGROUND: Scientific research relies on well-structured, standardized data; however, much of it is stored in formats such as free-text lab notebooks, non-standardized spreadsheets, or data repositories. This lack of structure challenges interoperability, making data integration, validation, and reuse difficult.
FINDINGS: LinkML (Linked Data Modeling Language) is an open framework that simplifies the process of authoring, validating, and sharing data. LinkML can describe a range of data structures, from flat, list-based models to complex, interrelated, and normalized models that utilize polymorphism and compound inheritance. It offers an approachable syntax that is not tied to any one technical architecture and can be integrated seamlessly with many existing frameworks. The LinkML syntax provides a standard way to describe schemas, classes, and relationships, allowing modelers to build well-defined, stable, and optionally ontology-aligned data structures. Once defined, LinkML schemas may be imported into other LinkML schemas. These key features make LinkML an accessible platform for interdisciplinary collaboration and a reliable way to define and share data semantics.
CONCLUSIONS: LinkML helps reduce heterogeneity, complexity, and the proliferation of single-use data models while simultaneously enabling compliance with FAIR data standards. LinkML has seen increasing adoption in various fields, including biology, chemistry, biomedicine, microbiome research, finance, electrical engineering, transportation, and commercial software development. In short, LinkML makes implicit models explicitly computable and allows data to be standardized at its origin. LinkML documentation and code are available at linkml.io.4605 Data Management and Data Science (for-2020)46 Information and Computing Sciences (for-2020)Networking and Information Technology R&D (NITRD) (rcdc)Data Science (rcdc)data modelingFAIR dataopen sourceopen datadata integrationschemaAI-ready datasemantic modelingontologiesLinkML Community ContributorsHumans (mesh)Information Dissemination (mesh)Computational Biology (mesh)Software (mesh)Programming Languages (mesh)AI-ready dataFAIR datadata integrationdata modelingontologiesopen dataopen sourceschemasemantic modelingSoftware (mesh)Programming Languages (mesh)Humans (mesh)Computational Biology (mesh)Information Dissemination (mesh)application/pdfCC-BYeScholarship, University of Californiahttps://escholarship.org/uc/item/895730mqhttps://escholarship.org/content/qt895730mq/qt895730mq.pdfinfo:doi/10.1093/gigascience/giaf152articleGigaScience, vol 15giaf152oai:escholarship.org:ark:/13030/qt45t2z3522026-04-04T16:01:29Zqt45t2z352Probing the Jongile, SWiedeking, MSorlin, ONeveling, RHebborn, CKeeley, NNowacki, FSoma, VLemasson, APapka, PAdsley, PAvaa, AAAzaiez, FDonaldson, LMFlavigny, FJivan, HJones, PKenfack, DKheswa, NYKhumalo, TCMakhathini, LMalatji, KLMthembu, SHNemulodi, FNetshiya, AAPellegri, LSmit, FD2026-01-015106 Nuclear and Plasma Physics (for-2020)51 Physical Sciences (for-2020)NSD-Nuclear Data (c-lbnl-label)5106 Nuclear and plasma physics (for-2020)application/pdfCC-BYeScholarship, University of Californiahttps://escholarship.org/uc/item/45t2z352https://escholarship.org/content/qt45t2z352/qt45t2z352.pdfinfo:doi/10.1103/hrd3-246darticlePhysical Review C, vol 113, iss 2oai:escholarship.org:ark:/13030/qt74q8r7982026-04-04T16:00:55Zqt74q8r798Measurement of the differential cross section for top quark pair production in pp collisions at s=8TeVKhachatryan, VSirunyan, AMTumasyan, AAdam, WBergauer, TDragicevic, MErö, JFriedl, MFrühwirth, RGhete, VMHartl, CHörmann, NHrubec, JJeitler, MKiesenhofer, WKnünz, VKrammer, MKrätschmer, ILiko, DMikulec, IRabady, DRahbaran, BRohringer, HSchöfbeck, RStrauss, JTreberer-Treberspurg, WWaltenberger, WWulz, C-EMossolov, VShumeiko, NGonzalez, J SuarezAlderweireldt, SBansal, MBansal, SCornelis, TDe Wolf, EAJanssen, XKnutsson, ALuyckx, SOchesanu, SRougny, RVan De Klundert, MVan Haevermaet, HVan Mechelen, PVan Remortel, NVan Spilbeeck, ABlekman, FBlyweert, SD’Hondt, JDaci, NHeracleous, NKeaveney, JLowette, SMaes, MOlbrechts, APython, QStrom, DTavernier, SVan Doninck, WVan Mulders, PVan Onsem, GPVillella, ICaillol, CClerbaux, BDe Lentdecker, GDobur, DFavart, LGay, APRGrebenyuk, ALéonard, AMohammadi, APerniè, LReis, TSeva, TThomas, LVander Velde, CVanlaer, PWang, JZenoni, FAdler, VBeernaert, KBenucci, LCimmino, ACostantini, SCrucy, SDildick, SFagot, AGarcia, GMccartin, JRios, AA OcampoRyckbosch, DDiblen, S SalvaSigamani, MStrobbe, NThyssen, FTytgat, MYazgan, EZaganidis, NBasegmez, SBeluffi, C2015-11-01The normalized differential cross section for top quark pair ([Formula: see text]) production is measured in pp collisions at a centre-of-mass energy of 8[Formula: see text] at the CERN LHC using the CMS detector in data corresponding to an integrated luminosity of 19.7[Formula: see text]. The measurements are performed in the lepton[Formula: see text]jets ([Formula: see text][Formula: see text]jets) and in the dilepton ([Formula: see text], [Formula: see text], and [Formula: see text]) decay channels. The [Formula: see text] cross section is measured as a function of the kinematic properties of the charged leptons, the jets associated to b quarks, the top quarks, and the [Formula: see text] system. The data are compared with several predictions from perturbative quantum chromodynamic up to approximate next-to-next-to-leading-order precision. No significant deviations are observed relative to the standard model predictions.5106 Nuclear and Plasma Physics (for-2020)5107 Particle and High Energy Physics (for-2020)51 Physical Sciences (for-2020)hep-exhep-ex0202 AtomicMolecularNuclearParticle and Plasma Physics (for)0206 Quantum Physics (for)Nuclear & Particles Physics (science-metrix)5101 Astronomical sciences (for-2020)5102 Atomicmolecular and optical physics (for-2020)5107 Particle and high energy physics (for-2020)application/pdfpubliceScholarship, University of Californiahttps://escholarship.org/uc/item/74q8r798https://escholarship.org/content/qt74q8r798/qt74q8r798.pdfinfo:doi/10.1140/epjc/s10052-015-3709-xarticleEuropean Physical Journal C, vol 75, iss 11542oai:escholarship.org:ark:/13030/qt9zb2d29s2026-04-04T16:00:42Zqt9zb2d29sMitigation of DESI fiber assignment incompleteness effect on two-point clustering with small angular scale truncated estimatorsPinon, Mde Mattia, AMcDonald, PBurtin, ERuhlmann-Kleider, VWhite, MBianchi, DRoss, AJAguilar, JAhlen, SBrooks, DCahn, RNChaussidon, EClaybaugh, TCole, Sde la Macorra, ADey, BDoel, PFanning, KForero-Romero, JEGaztañaga, EGontcho, S Gontcho AHowlett, CKirkby, DKisner, TKremin, ALambert, ALandriau, MLasker, JLe Guillou, LLevi, MEManera, MMartini, PMeisner, AMiquel, RMoustakas, JMyers, ADNiz, GPalanque-Delabrouille, NPercival, WJPoppett, CRossi, GSanchez, ESchlegel, DSchubnell, MSeo, HSprayberry, DTarlé, GVargas-Magaña, MWeaver, BAZarrouk, PZhou, RZou, H2025-01-01We present a method to mitigate the effects of fiber assignment incompleteness in two-point power spectrum and correlation function measurements from galaxy spectroscopic surveys, by truncating small angular scales from estimators. We derive the corresponding modified correlation function and power spectrum windows to account for the small angular scale truncation in the theory prediction. We validate this approach on simulations reproducing the Dark Energy Spectroscopic Instrument (DESI) Data Release 1 (DR1) with and without fiber assignment. We show that we recover unbiased cosmological constraints using small angular scale truncated estimators from simulations with fiber assignment incompleteness, with respect to standard estimators from complete simulations. Additionally, we present an approach to remove the sensitivity of the fits to high k modes in the theoretical power spectrum, by applying a transformation to the data vector and window matrix. We find that our method efficiently mitigates the effect of fiber assignment incompleteness in two-point correlation function and power spectrum measurements, at low computational cost and with little statistical loss.5106 Nuclear and Plasma Physics (for-2020)51 Physical Sciences (for-2020)power spectrumcosmological parameters from LSSredshift surveyspower spectrumcosmological parameters from LSSredshift surveys0201 Astronomical and Space Sciences (for)0202 AtomicMolecularNuclearParticle and Plasma Physics (for)Nuclear & Particles Physics (science-metrix)5101 Astronomical sciences (for-2020)5107 Particle and high energy physics (for-2020)application/pdfCC-BYeScholarship, University of Californiahttps://escholarship.org/uc/item/9zb2d29shttps://escholarship.org/content/qt9zb2d29s/qt9zb2d29s.pdfinfo:doi/10.1088/1475-7516/2025/01/131articleJournal of Cosmology and Astroparticle Physics, vol 2025, iss 01131oai:escholarship.org:ark:/13030/qt02b5k6pg2026-04-04T16:00:31Zqt02b5k6pgMeasuring Fiber Positioning Accuracy and Throughput with Fiber Dithering for the Dark Energy Spectroscopic InstrumentSchlafly, EFSchlegel, DBenZvi, SRaichoor, AForero-Romero, JEAguilar, JAhlen, SBailey, SBault, ABrooks, DClaybaugh, TDawson, Kde la Macorra, ADey, ArjunDoel, PGaztañaga, EGontcho, S Gontcho AGuy, JHahn, CHonscheid, KJimenez, JKent, SKirkby, DKisner, TKremin, ALambert, ALandriau, MLevi, MEManera, MMartini, PMeisner, AMiquel, RMoustakas, JMyers, ADNie, JPalanque-Delabrouille, NPercival, WJPoppett, CPrada, FRabinowitz, DRezaie, MRossi, GSanchez, ESchubnell, MSharples, RSilber, JTarlé, GWeaver, BAZhou, ZZou, H2024-07-01Highly multiplexed, fiber-fed spectroscopy is enabling surveys of millions of stars and galaxies. The performance of these surveys depends on accurately positioning fibers in the focal plane to capture target light. We describe a technique to measure the positioning accuracy of fibers by dithering fibers slightly around their ideal locations. This approach also enables measurement of the total system throughput and point-spread function delivered to the focal plane. We then apply this technique to observations from the Dark Energy Survey Instrument (DESI), and demonstrate that DESI positions fibers to within 0.″08 of their targets (5% of a fiber diameter) and achieves a system throughput within about 7% of expectations.5107 Particle and High Energy Physics (for-2020)5101 Astronomical Sciences (for-2020)51 Physical Sciences (for-2020)0201 Astronomical and Space Sciences (for)Astronomy & Astrophysics (science-metrix)5101 Astronomical sciences (for-2020)5107 Particle and high energy physics (for-2020)application/pdfCC-BYeScholarship, University of Californiahttps://escholarship.org/uc/item/02b5k6pghttps://escholarship.org/content/qt02b5k6pg/qt02b5k6pg.pdfinfo:doi/10.3847/1538-3881/ad4d8carticleThe Astronomical Journal, vol 168, iss 135oai:escholarship.org:ark:/13030/qt0778b8vd2026-04-04T16:00:25Zqt0778b8vdTarget Selection and Validation of DESI QuasarsChaussidon, EdmondYèche, ChristophePalanque-Delabrouille, NathalieAlexander, David MYang, JinyiAhlen, StevenBailey, StephenBrooks, DavidCai, ZhengChabanier, SolèneDavis, Tamara MDawson, Kylede laMacorra, AxelDey, ArjunDey, BiprateepEftekharzadeh, SarahEisenstein, Daniel JFanning, KevinFont-Ribera, AndreuGaztañaga, EnriqueGontcho, Satya Gontcho AGonzalez-Morales, Alma XGuy, JulienHerrera-Alcantar, Hiram KHonscheid, KlausIshak, MustaphaJiang, LinhuaJuneau, StephanieKehoe, RobertKisner, TheodoreKovács, AndrasKremin, AnthonyLan, Ting-WenLandriau, MartinLe Guillou, LaurentLevi, Michael EMagneville, ChristopheMartini, PaulMeisner, Aaron MMoustakas, JohnMuñoz-Gutiérrez, AndreaMyers, Adam DNewman, Jeffrey ANie, JundanPercival, Will JPoppett, ClairePrada, FranciscoRaichoor, AnandRavoux, CorentinRoss, Ashley JSchlafly, EdwardSchlegel, DavidTan, TingTarlé, GregoryZhou, RongpuZhou, ZhiminZou, Hu2023-02-01The Dark Energy Spectroscopic Instrument (DESI) survey will measure large-scale structures using quasars as direct tracers of dark matter in the redshift range 0.9 < z < 2.1 and using Lyα forests in quasar spectra at z > 2.1. We present several methods to select candidate quasars for DESI, using input photometric imaging in three optical bands (g, r, z) from the DESI Legacy Imaging Surveys and two infrared bands (W1, W2) from the Wide-field Infrared Survey Explorer. These methods were extensively tested during the Survey Validation of DESI. In this paper, we report on the results obtained with the different methods and present the selection we optimized for the DESI main survey. The final quasar target selection is based on a random forest algorithm and selects quasars in the magnitude range of 16.5 < r < 23. Visual selection of ultra-deep observations indicates that the main selection consists of 71% quasars, 16% galaxies, 6% stars, and 7% inconclusive spectra. Using the spectra based on this selection, we build an automated quasar catalog that achieves a fraction of true QSOs higher than 99% for a nominal effective exposure time of ∼1000 s. With a 310 deg−2 target density, the main selection allows DESI to select more than 200 deg−2 quasars (including 60 deg−2 quasars with z > 2.1), exceeding the project requirements by 20%. The redshift distribution of the selected quasars is in excellent agreement with quasar luminosity function predictions.5109 Space Sciences (for-2020)51 Physical Sciences (for-2020)0201 Astronomical and Space Sciences (for)0202 AtomicMolecularNuclearParticle and Plasma Physics (for)0306 Physical Chemistry (incl. Structural) (for)Astronomy & Astrophysics (science-metrix)5101 Astronomical sciences (for-2020)5107 Particle and high energy physics (for-2020)5109 Space sciences (for-2020)application/pdfCC-BYeScholarship, University of Californiahttps://escholarship.org/uc/item/0778b8vdhttps://escholarship.org/content/qt0778b8vd/qt0778b8vd.pdfinfo:doi/10.3847/1538-4357/acb3c2articleThe Astrophysical Journal, vol 944, iss 1107oai:escholarship.org:ark:/13030/qt8gb2044h2026-04-04T16:00:04Zqt8gb2044hAssembly and Pre-Loading Specifications for the Series Production of the Nb3Sn MQXFA Quadrupole Magnets for the HL-LHCFerracin, PAmbrosio, GCheng, DWTroitino, J FerradasFajardo, L GarciaBermudez, S IzquierdoPrestemon, SRay, KLSolis, MJTodesco, EVallone, G2022-01-01The High Luminosity LHC (HL-LHC) Project is planning to install 16 cold-masses made with Nb3Sn quadrupole magnets in the LHC Interaction Regions to significantly increase its luminosity. Half of these cold masses are fabricated at BNL, FNAL, and LBNL under the US Accelerator Research Program (AUP). Each cold mass includes two identical Nb3Sn quadrupole magnets, called MQXFA with a magnetic length of 4.2 m. Currently, the AUP project has completed the fabrication and test of the first 5 pre-series magnets, and is working on the following 16 magnets for the series production. The brittleness and strain sensitivity of the Nb3Sn superconducting material requires a careful definition of the allowable maximum stress in the windings during magnet assembly and pre-load, and a tight control of their variation within the whole coil length. Therefore, a series of assembly and pre-load specifications have been defined with the goals of minimizing the risk of conductor degradation and providing the mechanical support required to reach the nominal current during powering. In this paper we present the specifications defined for the MQXFA magnets and applied during the different assembly phases and during the pre-load process of the first 5 pre-series magnets.4005 Civil Engineering (for-2020)40 Engineering (for-2020)Superconducting magnetsMagnetomechanical effectsLarge Hadron ColliderStressStrain measurementStrainBladderHigh luminosity LHCinteraction regionslow-beta quadrupolesNb3Sn magnetsATAP-2022 (c-lbnl-label)ATAP-GENERAL (c-lbnl-label)ATAP-SMP (c-lbnl-label)0204 Condensed Matter Physics (for)0906 Electrical and Electronic Engineering (for)0912 Materials Engineering (for)General Physics (science-metrix)4008 Electrical engineering (for-2020)5104 Condensed matter physics (for-2020)application/pdfCC-BY-NCeScholarship, University of Californiahttps://escholarship.org/uc/item/8gb2044hhttps://escholarship.org/content/qt8gb2044h/qt8gb2044h.pdfinfo:doi/10.1109/tasc.2022.3148971articleIEEE Transactions on Applied Superconductivity, vol 32, iss 61 - 6oai:escholarship.org:ark:/13030/qt660639fj2026-04-04T15:56:27Zqt660639fjOverview of the Instrumentation for the Dark Energy Spectroscopic InstrumentCollaboration, DESIAbareshi, BAguilar, JAhlen, SAlam, ShadabAlexander, David MAlfarsy, RAllen, LPrieto, C AllendeAlves, OAmeel, JArmengaud, EAsorey, JAviles, AlejandroBailey, SBalaguera-Antolínez, ABallester, OBaltay, CBault, ABeltran, SFBenavides, BBenZvi, SBerti, ABesuner, RBeutler, FlorianBianchi, DBlake, CBlanc, PBlum, RBolton, ABose, SBramall, DBrieden, SBrodzeller, ABrooks, DBrownewell, CBuckley-Geer, ECahn, RNCai, ZCanning, RCapasso, RRosell, A CarneroCarton, PCasas, RCastander, FJCervantes-Cota, JLChabanier, SChaussidon, EChuang, CCircosta, CCole, SCooper, APda Costa, LCousinou, M-CCuceu, ADavis, TMDawson, Kde la Cruz-Noriega, Rde la Macorra, Ade Mattia, ADella Costa, JDemmer, PDerwent, MDey, ADey, BDhungana, GDing, ZDobson, CDoel, PDonald-McCann, JDonaldson, JDouglass, KDuan, YDunlop, PEdelstein, JEftekharzadeh, SEisenstein, DJEnriquez-Vargas, MEscoffier, SEvatt, MFagrelius, PFan, XFanning, KFawcett, VAFerraro, SEreza, JFlaugher, BFont-Ribera, AForero-Romero, JEFrenk, CSFromenteau, SGänsicke, BTGarcia-Quintero, CGarrison, LGaztañaga, EGerardi, FGil-Marín, HGontcho, S Gontcho AGonzalez-Morales, Alma XGonzalez-de-Rivera, G2022-11-01The Dark Energy Spectroscopic Instrument (DESI) embarked on an ambitious 5 yr survey in 2021 May to explore the nature of dark energy with spectroscopic measurements of 40 million galaxies and quasars. DESI will determine precise redshifts and employ the baryon acoustic oscillation method to measure distances from the nearby universe to beyond redshift z > 3.5, and employ redshift space distortions to measure the growth of structure and probe potential modifications to general relativity. We describe the significant instrumentation we developed to conduct the DESI survey. This includes: a wide-field, 3.°2 diameter prime-focus corrector; a focal plane system with 5020 fiber positioners on the 0.812 m diameter, aspheric focal surface; 10 continuous, high-efficiency fiber cable bundles that connect the focal plane to the spectrographs; and 10 identical spectrographs. Each spectrograph employs a pair of dichroics to split the light into three channels that together record the light from 360–980 nm with a spectral resolution that ranges from 2000–5000. We describe the science requirements, their connection to the technical requirements, the management of the project, and interfaces between subsystems. DESI was installed at the 4 m Mayall Telescope at Kitt Peak National Observatory and has achieved all of its performance goals. Some performance highlights include an rms positioner accuracy of better than 0.″1 and a median signal-to-noise ratio of 7 of the [O ii] doublet at 8 × 10−17 erg s−1 cm−2 in 1000 s for galaxies at z = 1.4–1.6. We conclude with additional highlights from the on-sky validation and commissioning, key successes, and lessons learned.5101 Astronomical Sciences (for-2020)51 Physical Sciences (for-2020)0201 Astronomical and Space Sciences (for)Astronomy & Astrophysics (science-metrix)5101 Astronomical sciences (for-2020)5107 Particle and high energy physics (for-2020)publiceScholarship, University of Californiahttps://escholarship.org/uc/item/660639fjinfo:doi/10.3847/1538-3881/ac882barticleThe Astronomical Journal, vol 164, iss 5207oai:escholarship.org:ark:/13030/qt7609d6vx2026-04-04T15:56:20Zqt7609d6vxPreliminary Target Selection for the DESI Emission Line Galaxy (ELG) SampleRaichoor, AnandEisenstein, Daniel JKarim, TanveerNewman, Jeffrey AMoustakas, JohnBrooks, David DDawson, Kyle SDey, ArjunDuan, YutongEftekharzadeh, SarahGaztañaga, EnriqueKehoe, RobertLandriau, MartinLang, DustinLee, Jae HLevi, Michael EMeisner, Aaron MMyers, Adam DPalanque-Delabrouille, NathaliePoppett, ClairePrada, FranciscoRoss, Ashley JSchlegel, David JSchubnell, MichaelStaten, RyanTarlé, GregoryTojeiro, RitaYèche, ChristopheZhou, Rongpu2020-10-01DESI will precisely constrain cosmic expansion and the growth of structure by collecting ∼35 million redshifts across ∼80% of cosmic history and one third of the sky to study Baryon Acoustic Oscillations (BAO) and Redshift Space Distortions (RSD). We present a preliminary target selection for an Emission Line Galaxy (ELG) sample, which will comprise about half of all DESI tracers. The selection consists of a g-band magnitude cut and a (g − r) versus (r − z) color box, which we validate using HSC/PDR2 photometric redshifts and DEEP2 spectroscopy. The ELG target density should be ∼2400 deg−2, with ∼65% of ELG redshifts reliably within a redshift range of 0.6 < z < 1.6. ELG targeting for DESI will be finalized during a “Survey Validation” phase.5101 Astronomical Sciences (for-2020)51 Physical Sciences (for-2020)astro-ph.COastro-ph.COapplication/pdfpubliceScholarship, University of Californiahttps://escholarship.org/uc/item/7609d6vxhttps://escholarship.org/content/qt7609d6vx/qt7609d6vx.pdfinfo:doi/10.3847/2515-5172/abc078articleResearch Notes of the AAS, vol 4, iss 10180oai:escholarship.org:ark:/13030/qt9fx6c8n72026-04-04T15:56:15Zqt9fx6c8n7Preliminary Target Selection for the DESI Quasar (QSO) SampleYèche, ChristophePalanque-Delabrouille, NathalieClaveau, Charles-AntoineBrooks, David DChaussidon, EdmondDavis, Tamara MDawson, Kyle SDey, ArjunDuan, YutongEftekharzadeh, SarahEisenstein, Daniel JGaztañaga, EnriqueKehoe, RobertLandriau, MartinLang, DustinLevi, Michael EMeisner, Aaron MMyers, Adam DNewman, Jeffrey APoppett, ClairePrada, FranciscoRaichoor, AnandSchlegel, David JSchubnell, MichaelStaten, RyanTarlé, GregoryZhou, Rongpu2020-10-01The DESI survey will measure large-scale structure using quasars as direct tracers of dark matter in the redshift range 0.9 < z < 2.1 and using quasar Lyα forests at z > 2.1. We present two methods to select candidate quasars for DESI based on imaging in three optical (g, r, z) and two infrared (W1, W2) bands. The first method uses traditional color cuts and the second utilizes a machine-learning algorithm.5107 Particle and High Energy Physics (for-2020)51 Physical Sciences (for-2020)Machine Learning and Artificial Intelligence (rcdc)astro-ph.COastro-ph.COapplication/pdfpubliceScholarship, University of Californiahttps://escholarship.org/uc/item/9fx6c8n7https://escholarship.org/content/qt9fx6c8n7/qt9fx6c8n7.pdfinfo:doi/10.3847/2515-5172/abc01aarticleResearch Notes of the AAS, vol 4, iss 10179oai:escholarship.org:ark:/13030/qt3np7x2zx2026-04-04T15:56:11Zqt3np7x2zxPreliminary Target Selection for the DESI Milky Way Survey (MWS)Prieto, Carlos AllendeCooper, Andrew PDey, ArjunGänsicke, Boris TKoposov, Sergey ELi, TingManser, ChristopherNidever, David LRockosi, ConstanceWang, Mei-YuAguado, David SBlum, RobertBrooks, DavidEisenstein, Daniel JDuan, YutongEftekharzadeh, SarahGaztañaga, EnriqueKehoe, RobertLandriau, MartinLee, Chien-HsiuLevi, Michael EMeisner, Aaron MMyers, Adam DNajita, JoanOlsen, KnutPalanque-Delabrouille, NathaliePoppett, ClairePrada, FranciscoSchlegel, David JSchubnell, MichaelTarlé, GregoryValluri, MonicaWechsler, Risa HYèche, Christophe2020-10-01The DESI Milky Way Survey (MWS) will observe ≥8 million stars between 16 < r < 19 mag, supplemented by observations of brighter targets under poor observing conditions. The survey will permit an accurate determination of stellar kinematics and population gradients, characterize diffuse substructure in the thick disk and stellar halo, enable the discovery of extremely metal-poor stars and other rare stellar types, and improve constraints on the Galaxy’s 3D dark matter distribution from halo star kinematics. MWS will also enable a detailed characterization of the stellar populations within 100 pc of the Sun, including a complete census of white dwarfs. The target catalog from the preliminary selection described here is public (Available at https://data.desi.lbl.gov/public/ets/target/catalogs/ and detailed at https://desidatamodel.readthedocs.io).5101 Astronomical Sciences (for-2020)51 Physical Sciences (for-2020)astro-ph.GAastro-ph.GAastro-ph.SRapplication/pdfpubliceScholarship, University of Californiahttps://escholarship.org/uc/item/3np7x2zxhttps://escholarship.org/content/qt3np7x2zx/qt3np7x2zx.pdfinfo:doi/10.3847/2515-5172/abc1dcarticleResearch Notes of the AAS, vol 4, iss 10188oai:escholarship.org:ark:/13030/qt90t744p12026-04-04T15:56:04Zqt90t744p1Cataloging the visible universe through Bayesian inference in Julia at petascaleRegier, JeffreyFischer, KenoPamnany, KiranNoack, AndreasRevels, JarrettLam, MaximilianHoward, SteveGiordano, RyanSchlegel, DavidMcAuliffe, JonThomas, RollinPrabhat2019-05-01A key task in astronomy is to locate astronomical objects in images and to characterize them according to physical parameters such as brightness, color, and morphology. This task, known as cataloging, is challenging for several reasons: many astronomical objects are much dimmer than the sky background, labeled data is generally unavailable, overlapping astronomical objects must be resolved collectively, and the datasets are enormous – terabytes now, petabytes soon. In this work, we infer an astronomical catalog from 55 TB of imaging data using Celeste, a Bayesian variational inference code written entirely in the high-productivity programming language Julia. Using over 1.3 million threads on 650,000 Intel Xeon Phi cores of the Cori Phase II supercomputer, Celeste achieves a peak rate of 1.54 DP PFLOP/s. Celeste is able to jointly optimize parameters for 188 M stars and galaxies, loading and processing 178 TB across 8192 nodes in 14.6 min. To achieve this, Celeste exploits parallelism at multiple levels (cluster, node, and thread) and accelerates I/O through Cori’s burst buffer. Julia’s native performance enables Celeste to employ high-level constructs without resorting to hand-written or generated low-level code (C/C++/Fortran) while still achieving petascale performance.46 Information and Computing Sciences (for-2020)4601 Applied Computing (for-2020)AstronomyBayesianDistributed optimizationVariational inferenceJuliaHigh-performance computing0803 Computer Software (for)0805 Distributed Computing (for)Distributed Computing (science-metrix)4606 Distributed computing and systems software (for-2020)application/pdfpubliceScholarship, University of Californiahttps://escholarship.org/uc/item/90t744p1https://escholarship.org/content/qt90t744p1/qt90t744p1.pdfinfo:doi/10.1016/j.jpdc.2018.12.008articleJournal of Parallel and Distributed Computing, vol 12789 - 104oai:escholarship.org:ark:/13030/qt16n173wh2026-04-04T15:55:58Zqt16n173whBaryon acoustic oscillations from the complete SDSS-III Lyα-quasar cross-correlation function at z = 2.4du Mas des Bourboux, HélionLe Goff, Jean-MarcBlomqvist, MichaelBusca, Nicolás GGuy, JulienRich, JamesYèche, ChristopheBautista, Julian EBurtin, ÉtienneDawson, Kyle SEisenstein, Daniel JFont-Ribera, AndreuKirkby, DavidMiralda-Escudé, JordiNoterdaeme, PasquierPalanque-Delabrouille, NathaliePâris, IsabellePetitjean, PatrickPérez-Ràfols, IgnasiPieri, Matthew MRoss, Nicholas PSchlegel, David JSchneider, Donald PSlosar, AnžeWeinberg, David HZarrouk, Pauline2017-12-01We present a measurement of baryon acoustic oscillations (BAO) in the cross-correlation of quasars with the Ly
α
-forest flux transmission at a mean redshift of
z
= 2.40. The measurement uses the complete Sloan Digital Sky Survey (SDSS-III) data sample: 168 889 forests and 234 367 quasars from the SDSS data release DR12. In addition to the statistical improvement on our previous study using DR11, we have implemented numerous improvements at the analysis level enabling a more accurate measurement of this cross-correlation. We have also developed the first simulations of the cross-correlation that allow us to test different aspects of our data analysis and to search for potential systematic errors in the determination of the BAO peak position. We measure the two ratios
D
H
(
z
= 2.40) /
r
d
= 9.01 ± 0.36 and
D
M
(
z
= 2.40) /
r
d
= 35.7 ± 1.7, where the errors include marginalization over the non-linear velocity of quasars and the cross-correlation of metals and quasars, among other effects. These results are within 1.8
σ
of the prediction of the flat-ΛCDM model describing the observed cosmic microwave background anisotropies. We combine this study with the Ly
α
-forest auto-correlation function, yielding
D
H
(
z
= 2.40) /
r
d
= 8.94 ± 0.22 and
D
M
(
z
= 2.40) /
r
d
= 36.6 ± 1.2, within 2.3
σ
of the same flat-ΛCDM model.5101 Astronomical Sciences (for-2020)51 Physical Sciences (for-2020)cosmological parametersdark energylarge-scale structure of Universe0201 Astronomical and Space Sciences (for)Astronomy & Astrophysics (science-metrix)5101 Astronomical sciences (for-2020)5107 Particle and high energy physics (for-2020)5109 Space sciences (for-2020)publiceScholarship, University of Californiahttps://escholarship.org/uc/item/16n173whinfo:doi/10.1051/0004-6361/201731731articleAstronomy & Astrophysics, vol 608a130oai:escholarship.org:ark:/13030/qt0v44n6292026-04-04T15:55:52Zqt0v44n629Sloan Digital Sky Survey IV: Mapping the Milky Way, Nearby Galaxies, and the Distant UniverseBlanton, Michael RBershady, Matthew AAbolfathi, BelaAlbareti, Franco DPrieto, Carlos AllendeAlmeida, AndresAlonso-García, JavierAnders, FriedrichAnderson, Scott FAndrews, BrettAquino-Ortíz, ErikAragón-Salamanca, AlfonsoArgudo-Fernández, MariaArmengaud, EricAubourg, EricAvila-Reese, VladimirBadenes, CarlesBailey, StephenBarger, Kathleen ABarrera-Ballesteros, JorgeBartosz, CurtisBates, DominicBaumgarten, FalkBautista, JulianBeaton, RachaelBeers, Timothy CBelfiore, FrancescoBender, Chad FBerlind, Andreas ABernardi, MariangelaBeutler, FlorianBird, Jonathan CBizyaev, DmitryBlanc, Guillermo ABlomqvist, MichaelBolton, Adam SBoquien, MédéricBorissova, Juravan den Bosch, RemcoBovy, JoBrandt, William NBrinkmann, JonathanBrownstein, Joel RBundy, KevinBurgasser, Adam JBurtin, EtienneBusca, Nicolás GCappellari, MicheleCarigi, Maria Leticia DelgadoCarlberg, Joleen KRosell, Aurelio CarneroCarrera, RicardoChanover, Nancy JCherinka, BrianCheung, EdmondChew, Yilen Gómez MaqueoChiappini, CristinaChoi, Peter DoohyunChojnowski, DrewChuang, Chia-HsunChung, HaeunCirolini, Rafael FernandoClerc, NicolasCohen, Roger EComparat, Johanda Costa, LuizCousinou, Marie-ClaudeCovey, KevinCrane, Jeffrey DCroft, Rupert ACCruz-Gonzalez, IreneCuadra, Daniel GarridoCunha, KatiaDamke, Guillermo JDarling, JeremyDavies, RogerDawson, Kylede la Macorra, AxelDell’Agli, FlaviaDe Lee, NathanDelubac, TimothéeDi Mille, FrancescoDiamond-Stanic, AleksCano-Díaz, MarianaDonor, JohnDownes, Juan JoséDrory, Nivdu Mas des Bourboux, HélionDuckworth, Christopher JDwelly, TomDyer, JamieEbelke, GarrettEigenbrot, Arthur DEisenstein, Daniel JEmsellem, EricEracleous, MikeEscoffier, StephanieEvans, Michael LFan, XiaohuiFernández-Alvar, Emma2017-07-01We describe the Sloan Digital Sky Survey IV (SDSS-IV), a project encompassing three major spectroscopic programs. The Apache Point Observatory Galactic Evolution Experiment 2 (APOGEE-2) is observing hundreds of thousands of Milky Way stars at high resolution and high signal-to-noise ratios in the near-infrared. The Mapping Nearby Galaxies at Apache Point Observatory (MaNGA) survey is obtaining spatially resolved spectroscopy for thousands of nearby galaxies (median ). The extended Baryon Oscillation Spectroscopic Survey (eBOSS) is mapping the galaxy, quasar, and neutral gas distributions between and 3.5 to constrain cosmology using baryon acoustic oscillations, redshift space distortions, and the shape of the power spectrum. Within eBOSS, we are conducting two major subprograms: the SPectroscopic IDentification of eROSITA Sources (SPIDERS), investigating X-ray AGNs and galaxies in X-ray clusters, and the Time Domain Spectroscopic Survey (TDSS), obtaining spectra of variable sources. All programs use the 2.5 m Sloan Foundation Telescope at the Apache Point Observatory; observations there began in Summer 2014. APOGEE-2 also operates a second near-infrared spectrograph at the 2.5 m du Pont Telescope at Las Campanas Observatory, with observations beginning in early 2017. Observations at both facilities are scheduled to continue through 2020. In keeping with previous SDSS policy, SDSS-IV provides regularly scheduled public data releases; the first one, Data Release 13, was made available in 2016 July.5109 Space Sciences (for-2020)5101 Astronomical Sciences (for-2020)51 Physical Sciences (for-2020)cosmology: observationsgalaxies: generalGalaxy: generalinstrumentation: spectrographsstars: generalsurveysastro-ph.GAastro-ph.GA0201 Astronomical and Space Sciences (for)Astronomy & Astrophysics (science-metrix)5101 Astronomical sciences (for-2020)5107 Particle and high energy physics (for-2020)application/pdfpubliceScholarship, University of Californiahttps://escholarship.org/uc/item/0v44n629https://escholarship.org/content/qt0v44n629/qt0v44n629.pdfinfo:doi/10.3847/1538-3881/aa7567articleThe Astronomical Journal, vol 154, iss 128oai:escholarship.org:ark:/13030/qt6qj6x06z2026-04-04T15:55:23Zqt6qj6x06zA new platform for ultra-high dose rate radiobiological research using the BELLA PW laser proton beamlineBin, JianhuiObst-Huebl, LieselotteMao, Jian-HuaNakamura, KeiGeulig, Laura DChang, HangJi, QingHe, LiDe Chant, JaredKober, ZacharyGonsalves, Anthony JBulanov, StepanCelniker, Susan ESchroeder, Carl BGeddes, Cameron GREsarey, EricSimmons, Blake ASchenkel, ThomasBlakely, Eleanor ASteinke, SvenSnijders, Antoine M2022-01-01Radiotherapy is the current standard of care for more than 50% of all cancer patients. Improvements in radiotherapy (RT) technology have increased tumor targeting and normal tissue sparing. Radiations at ultra-high dose rates required for FLASH-RT effects have sparked interest in potentially providing additional differential therapeutic benefits. We present a new experimental platform that is the first one to deliver petawatt laser-driven proton pulses of 2 MeV energy at 0.2 Hz repetition rate by means of a compact, tunable active plasma lens beamline to biological samples. Cell monolayers grown over a 10 mm diameter field were exposed to clinically relevant proton doses ranging from 7 to 35 Gy at ultra-high instantaneous dose rates of 107 Gy/s. Dose-dependent cell survival measurements of human normal and tumor cells exposed to LD protons showed significantly higher cell survival of normal-cells compared to tumor-cells for total doses of 7 Gy and higher, which was not observed to the same extent for X-ray reference irradiations at clinical dose rates. These findings provide preliminary evidence that compact LD proton sources enable a new and promising platform for investigating the physical, chemical and biological mechanisms underlying the FLASH effect.51 Physical Sciences (for-2020)32 Biomedical and Clinical Sciences (for-2020)3211 Oncology and Carcinogenesis (for-2020)Bioengineering (rcdc)Radiation Oncology (rcdc)Cancer (rcdc)Cancer (hrcs-hc)Cell Line (mesh)Humans (mesh)Lasers (mesh)Monte Carlo Method (mesh)Neoplasms (mesh)Proton Therapy (mesh)Radiation Oncology (mesh)Radiobiology (mesh)Radiometry (mesh)Radiotherapy Dosage (mesh)Synchrotrons (mesh)Cell Line (mesh)Humans (mesh)Neoplasms (mesh)Radiotherapy Dosage (mesh)Monte Carlo Method (mesh)Radiometry (mesh)Lasers (mesh)Radiobiology (mesh)Radiation Oncology (mesh)Synchrotrons (mesh)Proton Therapy (mesh)Cell Line (mesh)Humans (mesh)Lasers (mesh)Monte Carlo Method (mesh)Neoplasms (mesh)Proton Therapy (mesh)Radiation Oncology (mesh)Radiobiology (mesh)Radiometry (mesh)Radiotherapy Dosage (mesh)Synchrotrons (mesh)ATAP-BELLA Center (c-lbnl-label)ATAP-GENERAL (c-lbnl-label)application/pdfCC-BYeScholarship, University of Californiahttps://escholarship.org/uc/item/6qj6x06zhttps://escholarship.org/content/qt6qj6x06z/qt6qj6x06z.pdfinfo:doi/10.1038/s41598-022-05181-3articleScientific Reports, vol 12, iss 11484oai:escholarship.org:ark:/13030/qt9hn725hv2026-04-04T15:46:35Zqt9hn725hvPretreatment chest x-ray severity and its relation to bacterial burden in smear positive pulmonary tuberculosisMurthy, SEChatterjee, FCrook, ADawson, RMendel, CMurphy, MEMurray, SRNunn, AJPhillips, PPJSingh, Kasha PMcHugh, TDGillespie, SHOn behalf of the REMoxTB Consortium2018-12-01BackgroundChest radiographs are used for diagnosis and severity assessment in tuberculosis (TB). The extent of disease as determined by smear grade and cavitation as a binary measure can predict 2-month smear results, but little has been done to determine whether radiological severity reflects the bacterial burden at diagnosis.MethodsPre-treatment chest x-rays from 1837 participants with smear-positive pulmonary TB enrolled into the REMoxTB trial (Gillespie et al., N Engl J Med 371:1577–87, 2014) were retrospectively reviewed. Two clinicians blinded to clinical details using the Ralph scoring system performed separate readings. An independent reader reviewed discrepant results for quality assessment and cavity presence. Cavitation presence was plotted against time to positivity (TTP) of sputum liquid cultures (MGIT 960). The Wilcoxon rank sum test was performed to calculate the difference in average TTP for these groups. The average lung field affected was compared to log 10 TTP by linear regression. Baseline markers of disease severity and patient characteristics were added in univariable regression analysis against radiological severity and a multivariable regression model was created to explore their relationship.ResultsFor 1354 participants, the median TTP was 117 h (4.88 days), being 26 h longer (95% CI 16–30, p < 0.001) in patients without cavitation compared to those with cavitation. The median percentage of lung-field affected was 18.1% (IQR 11.3–28.8%). For every 10-fold increase in TTP, the area of lung field affected decreased by 11.4%. Multivariable models showed that serum albumin decreased significantly as the percentage of lung field area increased in both those with and without cavitation. In addition, BMI and logged TTP had a small but significant effect in those with cavitation and the number of severe TB symptoms in the non-cavitation group also had a small effect, whilst other factors found to be significant on univariable analysis lost this effect in the model.ConclusionsThe radiological severity of disease on chest x-ray prior to treatment in smear positive pulmonary TB patients is weakly associated with the bacterial burden. When compared against other variables at diagnosis, this effect is lost in those without cavitation. Radiological severity does reflect the overall disease severity in smear positive pulmonary TB, but we suggest that clinicians should be cautious in over-interpreting the significance of radiological disease extent at diagnosis.32 Biomedical and Clinical Sciences (for-2020)3202 Clinical Sciences (for-2020)Biodefense (rcdc)Tuberculosis (rcdc)Emerging Infectious Diseases (rcdc)Infectious Diseases (rcdc)Rare Diseases (rcdc)Lung (rcdc)Biomedical Imaging (rcdc)Clinical Research (rcdc)4.2 Evaluation of markers and technologies (hrcs-rac)Infection (hrcs-hc)3 Good Health and Well Being (sdg)Adult (mesh)Female (mesh)Humans (mesh)Male (mesh)Thoracic Wall (mesh)TuberculosisPulmonary (mesh)X-Rays (mesh)Young Adult (mesh)Pulmonary tuberculosischest x-raycavitationpretreatmentREMoxTB ConsortiumThoracic Wall (mesh)Humans (mesh)TuberculosisPulmonary (mesh)X-Rays (mesh)Adult (mesh)Female (mesh)Male (mesh)Young Adult (mesh)Pulmonary tuberculosiscavitationchest x-raypretreatmentAdult (mesh)Female (mesh)Humans (mesh)Male (mesh)Thoracic Wall (mesh)TuberculosisPulmonary (mesh)X-Rays (mesh)Young Adult (mesh)11 Medical and Health Sciences (for)General & Internal Medicine (science-metrix)32 Biomedical and clinical sciences (for-2020)42 Health sciences (for-2020)application/pdfCC-BYeScholarship, University of Californiahttps://escholarship.org/uc/item/9hn725hvhttps://escholarship.org/content/qt9hn725hv/qt9hn725hv.pdfinfo:doi/10.1186/s12916-018-1053-3articleBMC Medicine, vol 16, iss 173oai:escholarship.org:ark:/13030/qt8c88r2ck2026-04-04T15:41:35Zqt8c88r2ckTopological network analysis of patient similarity for precision management of acute blood pressure in spinal cord injuryTorres-Espín, AbelHaefeli, JennyEhsanian, RezaTorres, DoloresAlmeida, Carlos AHuie, J RussellChou, AustinMorozov, DmitriySanderson, NicoleDirlikov, BenjaminSuen, Catherine GNielson, Jessica LKyritsis, NikosHemmerle, Debra DTalbott, Jason FManley, Geoffrey TDhall, Sanjay SWhetstone, William DBresnahan, Jacqueline CBeattie, Michael SMcKenna, Stephen LPan, Jonathan ZFerguson, Adam RBeattieBresnahan, JCBurke, JFChou, Ade Almeida, CADhall, SSDiGiorgio, AMDoung-Fernandez, XFerguson, ARHaefeli, JHemmerle, DDHuieKyritsis, NManley, GTMoncivais, SOmondi, CPan, JZPascual, LUSingh, VTalbott, JFThomas, LHTorres-Espin, AWeinstein, PWhetstone, WD2021-01-01Background: Predicting neurological recovery after spinal cord injury (SCI) is challenging. Using topological data analysis, we have previously shown that mean arterial pressure (MAP) during SCI surgery predicts long-term functional recovery in rodent models, motivating the present multicenter study in patients.
Methods: Intra-operative monitoring records and neurological outcome data were extracted (n = 118 patients). We built a similarity network of patients from a low-dimensional space embedded using a non-linear algorithm, Isomap, and ensured topological extraction using persistent homology metrics. Confirmatory analysis was conducted through regression methods.
Results: Network analysis suggested that time outside of an optimum MAP range (hypotension or hypertension) during surgery was associated with lower likelihood of neurological recovery at hospital discharge. Logistic and LASSO (least absolute shrinkage and selection operator) regression confirmed these findings, revealing an optimal MAP range of 76-[104-117] mmHg associated with neurological recovery.
Conclusions: We show that deviation from this optimal MAP range during SCI surgery predicts lower probability of neurological recovery and suggest new targets for therapeutic intervention.
Funding: NIH/NINDS: R01NS088475 (ARF); R01NS122888 (ARF); UH3NS106899 (ARF); Department of Veterans Affairs: 1I01RX002245 (ARF), I01RX002787 (ARF); Wings for Life Foundation (ATE, ARF); Craig H. Neilsen Foundation (ARF); and DOD: SC150198 (MSB); SC190233 (MSB).32 Biomedical and Clinical Sciences (for-2020)3202 Clinical Sciences (for-2020)Neurosciences (rcdc)Traumatic Head and Spine Injury (rcdc)Physical Injury - Accidents and Adverse Effects (rcdc)Spinal Cord Injury (rcdc)Neurological (hrcs-hc)Adult (mesh)Aged (mesh)Aged80 and over (mesh)Arterial Pressure (mesh)Blood Pressure (mesh)Humans (mesh)Middle Aged (mesh)MonitoringIntraoperative (mesh)Recovery of Function (mesh)Retrospective Studies (mesh)Spinal Cord Injuries (mesh)topological networks analysisspinal cord injuryblood pressuremachine learningsurgeryHumanTRACK-SCI InvestigatorsHumans (mesh)Spinal Cord Injuries (mesh)MonitoringIntraoperative (mesh)Retrospective Studies (mesh)Recovery of Function (mesh)Blood Pressure (mesh)Adult (mesh)Aged (mesh)Aged80 and over (mesh)Middle Aged (mesh)Arterial Pressure (mesh)blood pressurecomputational biologyhumanmachine learningmedicinespinal cord injurysurgerysystems biologytopological networks analysisAdult (mesh)Aged (mesh)Aged80 and over (mesh)Arterial Pressure (mesh)Blood Pressure (mesh)Humans (mesh)Middle Aged (mesh)MonitoringIntraoperative (mesh)Recovery of Function (mesh)Retrospective Studies (mesh)Spinal Cord Injuries (mesh)0601 Biochemistry and Cell Biology (for)31 Biological sciences (for-2020)32 Biomedical and clinical sciences (for-2020)42 Health sciences (for-2020)application/pdfCC-BYeScholarship, University of Californiahttps://escholarship.org/uc/item/8c88r2ckhttps://escholarship.org/content/qt8c88r2ck/qt8c88r2ck.pdfinfo:doi/10.7554/elife.68015articleeLife, vol 10e68015oai:escholarship.org:ark:/13030/qt6xr2801b2026-04-04T15:38:04Zqt6xr2801bObservation of an Excited Bc± Meson State with the ATLAS DetectorAad, GAbbott, BAbdallah, JKhalek, S AbdelAbdinov, OAben, RAbi, BAbolins, MAbouZeid, OSAbramowicz, HAbreu, HAbreu, RAbulaiti, YAcharya, BSAdamczyk, LAdams, DLAdelman, JAdomeit, SAdye, TAgatonovic-Jovin, TAguilar-Saavedra, JAAgustoni, MAhlen, SPAhmadov, FAielli, GAkerstedt, HÅkesson, TPAAkimoto, GAkimov, AVAlberghi, GLAlbert, JAlbrand, SVerzini, MJ AlconadaAleksa, MAleksandrov, INAlexa, CAlexander, GAlexandre, GAlexopoulos, TAlhroob, MAlimonti, GAlio, LAlison, JAllbrooke, BMMAllison, LJAllport, PPAlmond, JAloisio, AAlonso, AAlonso, FAlpigiani, CAltheimer, AGonzalez, B AlvarezAlviggi, MGAmako, KCoutinho, Y AmaralAmelung, CAmidei, DDos Santos, SP AmorAmorim, AAmoroso, SAmram, NAmundsen, GAnastopoulos, CAncu, LSAndari, NAndeen, TAnders, CFAnders, GAnderson, KJAndreazza, AAndrei, VAnduaga, XSAngelidakis, SAngelozzi, IAnger, PAngerami, AAnghinolfi, FAnisenkov, AVAnjos, NAnnovi, AAntonaki, AAntonelli, MAntonov, AAntos, JAnulli, FAoki, MBella, L AperioApolle, RArabidze, GAracena, IArai, YAraque, JPArce, ATHArguin, J-FArgyropoulos, SArik, MArmbruster, AJArnaez, OArnal, V2014-11-21A search for excited states of the Bc(±) meson is performed using 4.9 fb(-1) of 7 TeV and 19.2 fb(-1) of 8 TeV pp collision data collected by the ATLAS experiment at the LHC. A new state is observed through its hadronic transition to the ground state, with the latter detected in the decay Bc(±)→J/ψπ(±). The state appears in the m(Bc(±)π(+)π(-))-m(Bc(±))-2m(π(±)) mass difference distribution with a significance of 5.2 standard deviations. The mass of the observed state is 6842±4±5 MeV, where the first error is statistical and the second is systematic. The mass and decay of this state are consistent with expectations for the second S-wave state of the Bc(±) meson, Bc(±)(2S).5106 Nuclear and Plasma Physics (for-2020)5107 Particle and High Energy Physics (for-2020)51 Physical Sciences (for-2020)ATLAS CollaborationATLAS Collaborationhep-exhep-ex01 Mathematical Sciences (for)02 Physical Sciences (for)09 Engineering (for)General Physics (science-metrix)40 Engineering (for-2020)49 Mathematical sciences (for-2020)51 Physical sciences (for-2020)application/pdfCC-BYeScholarship, University of Californiahttps://escholarship.org/uc/item/6xr2801bhttps://escholarship.org/content/qt6xr2801b/qt6xr2801b.pdfinfo:doi/10.1103/physrevlett.113.212004articlePhysical Review Letters, vol 113, iss 21212004oai:escholarship.org:ark:/13030/qt8ks5b73d2026-04-04T15:36:30Zqt8ks5b73dSearch for charged-lepton flavor violation in the production and decay of top quarks using trilepton final states in proton-proton collisions at s=13 TeVHayrapetyan, ATumasyan, AAdam, WAndrejkovic, JWBergauer, TChatterjee, SDamanakis, KDragicevic, MDel Valle, A EscalanteHussain, PSJeitler, MKrammer, NLiko, DMikulec, ISchieck, JSchöfbeck, RSchwarz, DSonawane, MTempl, SWaltenberger, WWulz, C-EDarwish, MRJanssen, TVan Mechelen, PBols, ESD’Hondt, JDansana, SDe Moor, ADelcourt, MFaham, H ElLowette, SMakarenko, IMüller, DSahasransu, ARTavernier, STytgat, MVan Putte, SVannerom, DClerbaux, BDe Lentdecker, GFavart, LHohov, DJaramillo, JKhalilzadeh, ALee, KMahdavikhorrami, MMalara, AParedes, SPétré, LPostiau, NThomas, LBemden, M VandenVander Velde, CVanlaer, PDe Coen, MDobur, DHong, YKnolle, JLambrecht, LMestdach, GRendón, CSamalan, ASkovpen, KVan Den Bossche, NWezenbeek, LBenecke, ABruno, GCaputo, CDelaere, CDonertas, ISGiammanco, AJaffel, KJainLemaitre, VLidrych, JMastrapasqua, PMondal, KTran, TTWertz, SAlves, GACoelho, EHensel, CDe Oliveira, T MenezesMoraes, ATeles, P RebelloSoeiro, MJúnior, WL AldáPereira, M Alves GalloFilho, M Barroso FerreiraMalbouisson, H BrandaoCarvalho, WChinellato, JDa Costa, EMDa Silveira, GGDe Jesus Damiao, DDe Souza, S FonsecaMartins, JHerrera, C MoraAmarilo, K MotaMundim, L2025-01-01A search is performed for charged-lepton flavor violating processes in top quark ( ) production and decay. The data were collected by the CMS experiment from proton-proton collisions at a center-of-mass energy of 13 TeV and correspond to an integrated luminosity of . The selected events are required to contain one opposite-sign electron-muon pair, a third charged lepton (electron or muon), and at least one jet of which no more than one is associated with a bottom quark. Boosted decision trees are used to distinguish signal from background, exploiting differences in the kinematics of the final states particles. The data are consistent with the standard model expectation. Upper limits at 95% confidence level are placed in the context of effective field theory on the Wilson coefficients, which range between depending on the flavor of the associated light quark and the Lorentz structure of the interaction. These limits are converted to upper limits on branching fractions involving up (charm) quarks, ( ), of , , and for tensorlike, vectorlike, and scalarlike interactions, respectively.5106 Nuclear and Plasma Physics (for-2020)5107 Particle and High Energy Physics (for-2020)4902 Mathematical Physics (for-2020)49 Mathematical Sciences (for-2020)51 Physical Sciences (for-2020)application/pdfCC-BYeScholarship, University of Californiahttps://escholarship.org/uc/item/8ks5b73dhttps://escholarship.org/content/qt8ks5b73d/qt8ks5b73d.pdfinfo:doi/10.1103/physrevd.111.012009articlePhysical Review D, vol 111, iss 1012009oai:escholarship.org:ark:/13030/qt21h739xt2026-04-04T15:36:20Zqt21h739xtStudy of charm hadronization with prompt Λc+ baryons in proton-proton and lead-lead collisions at sNN = 5.02 TeVTumasyan, AAdam, WAndrejkovic, JWBergauer, TChatterjee, SDamanakis, KDragicevic, MEscalante Del Valle, AHussain, PSJeitler, MKrammer, NLechner, LLiko, DMikulec, IPaulitsch, PSchieck, JSchöfbeck, RSchwarz, DSonawane, MTempl, SWaltenberger, WWulz, C-EDarwish, MRJanssen, TKello, TVan Mechelen, PBols, ESD’Hondt, JDe Moor, ADelcourt, MEl Faham, HLowette, SMorton, AMüller, DSahasransu, ARTavernier, SVan Doninck, WVan Putte, SVannerom, DClerbaux, BDansana, SDe Lentdecker, GFavart, LHohov, DJaramillo, JLee, KMahdavikhorrami, MMakarenko, IMalara, AParedes, SPétré, LPostiau, NThomas, LVanden Bemden, MVander Velde, CVanlaer, PDobur, DKnolle, JLambrecht, LMestdach, GRendón, CSamalan, ASkovpen, KTytgat, MVan Den Bossche, NVermassen, BWezenbeek, LBenecke, ABruno, GBury, FCaputo, CDavid, PDelaere, CDonertas, ISGiammanco, AJaffel, KJain, SaLemaitre, VMondal, KTaliercio, ATran, TTVischia, PWertz, SAlves, GACoelho, EHensel, CMoraes, ARebello Teles, PAldá Júnior, WLAlves Gallo Pereira, MBarroso Ferreira Filho, MBrandao Malbouisson, HCarvalho, WChinellato, JDa Costa, EMDa Silveira, GGDe Jesus Damiao, DDos Santos Sousa, VFonseca De Souza, SMartins, J2024-01-01The production of prompt Λc+$$ {\Lambda}_{\textrm{c}}^{+} $$ baryons is measured via the exclusive decay channel Λc+→pK−π+$$ {\Lambda}_{\textrm{c}}^{+}\to p{\textrm{K}}^{-}{\pi}^{+} $$ at a center-of-mass energy per nucleon pair of 5.02 TeV, using proton-proton (pp) and lead-lead (PbPb) collision data collected by the CMS experiment at the CERN LHC. The pp and PbPb data were obtained in 2017 and 2018 with integrated luminosities of 252 and 0.607 nb−1, respectively. The measurements are performed within the Λc+$$ {\Lambda}_{\textrm{c}}^{+} $$ rapidity interval |y| < 1 with transverse momentum (pT) ranges of 3–30 and 6–40 GeV/c for pp and PbPb collisions, respectively. Compared to the yields in pp collisions scaled by the expected number of nucleon-nucleon interactions, the observed yields of Λc+$$ {\Lambda}_{\textrm{c}}^{+} $$ with pT> 10 GeV/c are strongly suppressed in PbPb collisions. The level of suppression depends significantly on the collision centrality. The Λc+$$ {\Lambda}_{\textrm{c}}^{+} $$/D0 production ratio is similar in PbPb and pp collisions at pT> 10 GeV/c, suggesting that the coalescence process does not play a dominant role in prompt Λc+$$ {\Lambda}_{\textrm{c}}^{+} $$ baryon production at higher pT.5106 Nuclear and Plasma Physics (for-2020)5107 Particle and High Energy Physics (for-2020)51 Physical Sciences (for-2020)Heavy Ion ExperimentsHeavy Quark ProductionRelativistic Heavy Ion PhysicsHeavy Ion ExperimentsHeavy Quark ProductionRelativistic Heavy Ion Physics0105 Mathematical Physics (for)0202 AtomicMolecularNuclearParticle and Plasma Physics (for)0206 Quantum Physics (for)Nuclear & Particles Physics (science-metrix)4902 Mathematical physics (for-2020)5106 Nuclear and plasma physics (for-2020)5107 Particle and high energy physics (for-2020)application/pdfCC-BYeScholarship, University of Californiahttps://escholarship.org/uc/item/21h739xthttps://escholarship.org/content/qt21h739xt/qt21h739xt.pdfinfo:doi/10.1007/jhep01(2024)128articleJournal of High Energy Physics, vol 2024, iss 1128oai:escholarship.org:ark:/13030/qt84w4k34d2026-04-04T15:32:16Zqt84w4k34dConstraints on the Higgs boson self-coupling from the combination of single and double Higgs boson production in proton-proton collisions at s = 13 TeVHayrapetyan, ATumasyan, AAdam, WAndrejkovic, JWBergauer, TChatterjee, SDamanakis, KDragicevic, MHussain, PSJeitler, MKrammer, NLi, ALiko, DMikulec, ISchieck, JSchöfbeck, RSchwarz, DSonawane, MTempl, SWaltenberger, WWulz, C-EDarwish, MRJanssen, TVan Laer, TVan Mechelen, PBreugelmans, ND'Hondt, JDansana, SDe Moor, ADelcourt, MHeyen, FLowette, SMakarenko, IMüller, DTavernier, STytgat, MVan Onsem, GPVan Putte, SVannerom, DBilin, BClerbaux, BDas, AKDe Lentdecker, GEvard, HFavart, LGianneios, PJaramillo, JKhalilzadeh, AKhan, FALee, KMahdavikhorrami, MMalara, AParedes, SShahzad, MAThomas, LBemden, M VandenVander Velde, CVanlaer, PDe Coen, MDobur, DGokbulut, GHong, YKnolle, JLambrecht, LMarckx, DAmarilo, K MotaSamalan, ASkovpen, KVan Den Bossche, Nvan der Linden, JWezenbeek, LBenecke, ABethani, ABruno, GCaputo, CDe Jeneret, J De FavereauDelaere, CDonertas, ISGiammanco, AGuzel, AOJainLemaitre, VLidrych, JMastrapasqua, PTran, TTWertz, SAlves, GAPereira, M Alves GalloCoelho, ESilva, G CorreiaHensel, CDe Oliveira, T MenezesMoraes, ATeles, P RebelloSoeiro, MPereira, A VilelaJúnior, WL AldáFilho, M Barroso FerreiraMalbouisson, H BrandaoCarvalho, W2025-02-01The Higgs boson (H) trilinear self-coupling, λ 3 , is constrained via its measured properties and limits on the HH pair production using the proton-proton collision data collected by the CMS experiment at s = 13 TeV . The combination of event categories enriched in single-H and HH events is used to measure κ λ , defined as the value of λ 3 normalized to its standard model prediction, while simultaneously constraining the Higgs boson couplings to fermions and vector bosons. Values of κ λ outside the interval − 1.2 < κ λ < 7.5 are excluded at 2σ confidence level, which is compatible with the expected range of − 2.0 < κ λ < 7.7 under the assumption that all other Higgs boson couplings are equal to their standard model predicted values. Relaxing the assumption on the Higgs couplings to fermions and vector bosons the observed (expected) κ λ interval is constrained to be within − 1.4 < κ λ < 7.8 ( − 2.3 < κ λ < 7.8 ) at 2σ confidence level.5106 Nuclear and Plasma Physics (for-2020)5107 Particle and High Energy Physics (for-2020)51 Physical Sciences (for-2020)CMSHiggsHHDi-HiggsSelf-couplingCombination0105 Mathematical Physics (for)0201 Astronomical and Space Sciences (for)0202 AtomicMolecularNuclearParticle and Plasma Physics (for)Nuclear & Particles Physics (science-metrix)49 Mathematical sciences (for-2020)51 Physical sciences (for-2020)application/pdfCC-BYeScholarship, University of Californiahttps://escholarship.org/uc/item/84w4k34dhttps://escholarship.org/content/qt84w4k34d/qt84w4k34d.pdfinfo:doi/10.1016/j.physletb.2024.139210articlePhysics Letters B, vol 861139210oai:escholarship.org:ark:/13030/qt6x82z9st2026-04-04T15:32:06Zqt6x82z9stThe CMS Statistical Analysis and Combination Tool: CombineHayrapetyan, ATumasyan, AAdam, WAndrejkovic, JWBergauer, TChatterjee, SDamanakis, KDragicevic, MHussain, PSJeitler, MKrammer, NLi, ALiko, DMikulec, ISchieck, JSchöfbeck, RSchwarz, DSonawane, MTempl, SWaltenberger, WWulz, C-EDarwish, MRJanssen, TVan Mechelen, PBreugelmans, ND’Hondt, JDansana, SDe Moor, ADelcourt, MHeyen, FLowette, SMakarenko, IMüller, DTavernier, STytgat, MVan Onsem, GPVan Putte, SVannerom, DClerbaux, BDas, AKDe Lentdecker, GEvard, HFavart, LGianneios, PHohov, DJaramillo, JKhalilzadeh, AKhan, FALee, KMahdavikhorrami, MMalara, AParedes, SShahzad, MAThomas, LBemden, M VandenVander Velde, CVanlaer, PDe Coen, MDobur, DGokbulut, GHong, YKnolle, JLambrecht, LMarckx, DMestdach, GAmarilo, K MotaSamalan, ASkovpen, KVan Den Bossche, Nvan der Linden, JWezenbeek, LBenecke, ABethani, ABruno, GCaputo, CDe Jeneret, J De FavereauDelaere, CDonertas, ISGiammanco, AGuzel, AOJainLemaitre, VLidrych, JMastrapasqua, PTran, TTWertz, SAlves, GAPereira, M Alves GalloCoelho, ESilva, G CorreiaHensel, CDe Oliveira, T MenezesMoraes, ATeles, P RebelloSoeiro, MPereira, A VilelaJúnior, WL AldáFilho, M Barroso FerreiraMalbouisson, H BrandaoCarvalho, W2024-12-01This paper describes the Combine software package used for statistical analyses by the CMS Collaboration. The package, originally designed to perform searches for a Higgs boson and the combined analysis of those searches, has evolved to become the statistical analysis tool presently used in the majority of measurements and searches performed by the CMS Collaboration. It is not specific to the CMS experiment, and this paper is intended to serve as a reference for users outside of the CMS Collaboration, providing an outline of the most salient features and capabilities. Readers are provided with the possibility to run Combine and reproduce examples provided in this paper using a publicly available container image. Since the package is constantly evolving to meet the demands of ever-increasing data sets and analysis sophistication, this paper cannot cover all details of Combine. However, the online documentation referenced within this paper provides an up-to-date and complete user guide.5106 Nuclear and Plasma Physics (for-2020)46 Information and Computing Sciences (for-2020)51 Physical Sciences (for-2020)Bioengineering (rcdc)application/pdfCC-BYeScholarship, University of Californiahttps://escholarship.org/uc/item/6x82z9sthttps://escholarship.org/content/qt6x82z9st/qt6x82z9st.pdfinfo:doi/10.1007/s41781-024-00121-4articleComputing and Software for Big Science, vol 8, iss 119oai:escholarship.org:ark:/13030/qt9ng999qt2026-04-04T15:31:50Zqt9ng999qtMeasurement of the Higgs boson mass and width using the four-lepton final state in proton-proton collisions at s=13 TeVHayrapetyan, ATumasyan, AAdam, WAndrejkovic, JWBergauer, TChatterjee, SDamanakis, KDragicevic, MHussain, PSJeitler, MKrammer, NLi, ALiko, DMikulec, ISchieck, JSchöfbeck, RSchwarz, DSonawane, MTempl, SWaltenberger, WWulz, C-EDarwish, MRJanssen, TVan Laer, TVan Mechelen, PBreugelmans, ND’Hondt, JDansana, SDe Moor, ADelcourt, MHeyen, FLowette, SMakarenko, IMüller, DTavernier, STytgat, MVan Onsem, GPVan Putte, SVannerom, DBilin, BClerbaux, BDas, AKDe Lentdecker, GEvard, HFavart, LGianneios, PJaramillo, JKhalilzadeh, AKhan, FALee, KMahdavikhorrami, MMalara, AParedes, SShahzad, MAThomas, LBemden, M VandenVander Velde, CVanlaer, PDe Coen, MDobur, DGokbulut, GHong, YKnolle, JLambrecht, LMarckx, DAmarilo, K MotaSamalan, ASkovpen, KVan Den Bossche, Nvan der Linden, JWezenbeek, LBenecke, ABethani, ABruno, GCaputo, CDe Jeneret, J De FavereauDelaere, CDonertas, ISGiammanco, AGuzel, AOJainLemaitre, VLidrych, JMastrapasqua, PTran, TTWertz, SAlves, GAPereira, M Alves GalloCoelho, ESilva, G CorreiaHensel, CDe Oliveira, T MenezesHerrera, C MoraMoraes, ATeles, P RebelloSoeiro, MPereira, A VilelaJúnior, WL AldáFilho, M Barroso FerreiraMalbouisson, H Brandao2025-05-01A measurement of the Higgs boson mass and width via its decay to two bosons is presented. Proton-proton collision data collected by the CMS experiment, corresponding to an integrated luminosity of at a center-of-mass energy of 13 TeV, is used. The invariant mass distribution of four leptons in the on-shell Higgs boson decay is used to measure its mass and constrain its width. This yields the most precise single measurement of the Higgs boson mass to date, , and an upper limit on the width at 95% confidence level. A combination of the on- and off-shell Higgs boson production decaying to four leptons is used to determine the Higgs boson width, assuming that no new virtual particles affect the production, a premise that is tested by adding new heavy particles in the gluon fusion loop model. This result is combined with a previous CMS analysis of the off-shell Higgs boson production with decay to two leptons and two neutrinos, giving a measured Higgs boson width of , in agreement with the standard model prediction of 4.1 MeV. The strength of the off-shell Higgs boson production is also reported. The scenario of no off-shell Higgs boson production is excluded at a confidence level corresponding to 3.8 standard deviations.5106 Nuclear and Plasma Physics (for-2020)5107 Particle and High Energy Physics (for-2020)51 Physical Sciences (for-2020)application/pdfCC-BYeScholarship, University of Californiahttps://escholarship.org/uc/item/9ng999qthttps://escholarship.org/content/qt9ng999qt/qt9ng999qt.pdfinfo:doi/10.1103/physrevd.111.092014articlePhysical Review D, vol 111, iss 9092014oai:escholarship.org:ark:/13030/qt08t554tz2026-04-04T15:31:35Zqt08t554tzMeasurement of inclusive and differential cross sections for W+W− production in proton-proton collisions at s = 13.6 TeVHayrapetyan, ATumasyan, AAdam, WAndrejkovic, JWBergauer, TChatterjee, SDamanakis, KDragicevic, MHussain, PSJeitler, MKrammer, NLi, ALiko, DMikulec, ISchieck, JSchöfbeck, RSchwarz, DSonawane, MWaltenberger, WWulz, C-EJanssen, TVan Laer, TVan Mechelen, PBreugelmans, ND'Hondt, JDansana, SDe Moor, ADelcourt, MHeyen, FLowette, SMakarenko, IMüller, DTavernier, STytgat, MVan Onsem, GPVan Putte, SVannerom, DBilin, BClerbaux, BDas, AKDe Lentdecker, GEvard, HFavart, LGianneios, PJaramillo, JKhalilzadeh, AKhan, FALee, KMahdavikhorrami, MMalara, AParedes, SShahzad, MAThomas, LBemden, M VandenVander Velde, CVanlaer, PDe Coen, MDobur, DGokbulut, GHong, YKnolle, JLambrecht, LMarckx, DAmarilo, K MotaSamalan, ASkovpen, KVan Den Bossche, Nvan der Linden, JWezenbeek, LBenecke, ABethani, ABruno, GCaputo, CDe Jeneret, J De FavereauDelaere, CDonertas, ISGiammanco, AGuzel, AOJainLemaitre, VLidrych, JMastrapasqua, PTran, TTWertz, SAlves, GAPereira, M Alves GalloCoelho, ESilva, G CorreiaHensel, CDe Oliveira, T MenezesHerrera, C MoraMoraes, ATeles, P RebelloSoeiro, MPereira, A VilelaJúnior, WL AldáFilho, M Barroso FerreiraMalbouisson, H BrandaoCarvalho, WChinellato, J2025-02-01Measurements at s = 13.6 TeV of the opposite-sign W boson pair production cross section in proton-proton collisions are presented. The data used in this study were collected with the CMS detector at the CERN LHC in 2022, and correspond to an integrated luminosity of 34.8 fb − 1 . Events are selected by requiring one electron and one muon of opposite charge. A maximum likelihood fit is performed on signal- and background-enriched data categories defined by the flavor and charge of the leptons, the number of jets, and number of jets originating from b quarks. The overall sensitivity is significantly better than that of previous results with a similar integrated luminosity. The improvement comes from a more refined control of experimental uncertainties and an improved fit strategy. An inclusive W + W − production cross section of 125.7 ± 5.6 pb is measured, in agreement with standard model predictions. Cross sections are also reported in a fiducial region close to that of the detector acceptance, both inclusively and differentially, as a function of the jet multiplicity in the event. For the first time in proton-proton collisions, W W events with zero, one, and at least two jets are studied simultaneously and compared with recent theoretical predictions.5106 Nuclear and Plasma Physics (for-2020)5107 Particle and High Energy Physics (for-2020)51 Physical Sciences (for-2020)CMSW boson pairs0105 Mathematical Physics (for)0201 Astronomical and Space Sciences (for)0202 AtomicMolecularNuclearParticle and Plasma Physics (for)Nuclear & Particles Physics (science-metrix)49 Mathematical sciences (for-2020)51 Physical sciences (for-2020)application/pdfCC-BYeScholarship, University of Californiahttps://escholarship.org/uc/item/08t554tzhttps://escholarship.org/content/qt08t554tz/qt08t554tz.pdfinfo:doi/10.1016/j.physletb.2024.139231articlePhysics Letters B, vol 861139231oai:escholarship.org:ark:/13030/qt5dm688bn2026-04-04T15:31:25Zqt5dm688bnMeasurements of polarization and spin correlation and observation of entanglement in top quark pairs using lepton+jets events from proton-proton collisions at s=13 TeVHayrapetyan, ATumasyan, AAdam, WAndrejkovic, JWBenato, LBergauer, TChatterjee, SDamanakis, KDragicevic, MHussain, PSJeitler, MKrammer, NLi, ALiko, DMikulec, ISchieck, JSchöfbeck, RSchwarz, DSonawane, MWaltenberger, WWulz, C-EJanssen, TVan Laer, TVan Mechelen, PBreugelmans, ND’Hondt, JDansana, SDe Moor, ADelcourt, MHeyen, FLowette, SMakarenko, IMüller, DTavernier, STytgat, MVan Onsem, GPVan Putte, SVannerom, DBilin, BClerbaux, BDas, AKDe Bruyn, IDe Lentdecker, GEvard, HFavart, LGianneios, PJaramillo, JKhalilzadeh, AKhan, FALee, KMalara, AParedes, SShahzad, MAThomas, LBemden, M VandenVander Velde, CVanlaer, PDe Coen, MDobur, DGokbulut, GHong, YKnolle, JLambrecht, LMarckx, DAmarilo, K MotaSkovpen, KVan Den Bossche, Nvan der Linden, JWezenbeek, LBenecke, ABethani, ABruno, GCaputo, CDe Jeneret, J De FavereauDelaere, CDonertas, ISGiammanco, AGuzel, AOJainLemaitre, VLidrych, JMastrapasqua, PTran, TTTurkcapar, SAlves, GACoelho, ESilva, G CorreiaHensel, CDe Oliveira, T MenezesHerrera, C MoraTeles, P RebelloSoeiro, MManganote, EJ TonelliPereira, A VilelaJúnior, WL AldáFilho, M Barroso FerreiraMalbouisson, H BrandaoCarvalho, WChinellato, JDa Costa, EM2024-12-01Measurements of the polarization and spin correlation in top quark pairs ( ) are presented using events with a single electron or muon and jets in the final state. The measurements are based on proton-proton collision data from the LHC at collected by the CMS experiment, corresponding to an integrated luminosity of . All coefficients of the polarization vectors and the spin correlation matrix are extracted simultaneously by performing a binned likelihood fit to the data. The measurement is performed inclusively and in bins of additional observables, such as the mass of the system and the top quark scattering angle in the rest frame. The measured polarization and spin correlation are in agreement with the standard model. From the measured spin correlation, conclusions on the spin entanglement are drawn by applying the Peres-Horodecki criterion. The standard model predicts entangled spins for states at the production threshold and at high masses of the system. Entanglement is observed for the first time in events at high mass, where a large fraction of the decays are spacelike separated, with an expected and observed significance of above 5 standard deviations. © 2024 CERN, for the CMS Collaboration 2024 CERN5107 Particle and High Energy Physics (for-2020)51 Physical Sciences (for-2020)application/pdfCC-BYeScholarship, University of Californiahttps://escholarship.org/uc/item/5dm688bnhttps://escholarship.org/content/qt5dm688bn/qt5dm688bn.pdfinfo:doi/10.1103/physrevd.110.112016articlePhysical Review D, vol 110, iss 11112016oai:escholarship.org:ark:/13030/qt6kp7s2b52026-04-04T15:31:14Zqt6kp7s2b5Observation of double J/ψ meson production in pPb collisions at sNN=8.16 TeVHayrapetyan, ATumasyan, AAdam, WAndrejkovic, JWBergauer, TChatterjee, SDamanakis, KDragicevic, MHussain, PSJeitler, MKrammer, NLi, ALiko, DMikulec, ISchieck, JSchöfbeck, RSchwarz, DSonawane, MTempl, SWaltenberger, WWulz, C-EDarwish, MRJanssen, TVan Laer, TVan Mechelen, PBreugelmans, ND’Hondt, JDansana, SDe Moor, ADelcourt, MHeyen, FLowette, SMakarenko, IMüller, DTavernier, STytgat, MVan Onsem, GPVan Putte, SVannerom, DBilin, BClerbaux, BDas, AKDe Lentdecker, GEvard, HFavart, LGianneios, PJaramillo, JKhalilzadeh, AKhan, FALee, KMahdavikhorrami, MMalara, AParedes, SShahzad, MAThomas, LBemden, M VandenVander Velde, CVanlaer, PDe Coen, MDobur, DGokbulut, GHong, YKnolle, JLambrecht, LMarckx, DAmarilo, K MotaSamalan, ASkovpen, KVan Den Bossche, Nvan der Linden, JWezenbeek, LBenecke, ABethani, ABruno, GCaputo, CDe Jeneret, J De FavereauDelaere, CDonertas, ISGiammanco, AGuzel, AOJainLemaitre, VLidrych, JMastrapasqua, PTran, TTWertz, SAlves, GAPereira, M Alves GalloCoelho, ESilva, G CorreiaHensel, CDe Oliveira, T MenezesMoraes, ATeles, P RebelloSoeiro, MPereira, A VilelaJúnior, WL AldáFilho, M Barroso FerreiraMalbouisson, H BrandaoCarvalho, W2024-11-01The first observation of the concurrent production of two mesons in proton-nucleus collisions is presented. The analysis is based on a proton-lead ( ) data sample recorded at a nucleon-nucleon center-of-mass energy of 8.16 TeV by the CMS experiment at the CERN LHC and corresponding to an integrated luminosity of . The two mesons are reconstructed in their decay channels with transverse momenta and rapidity . Events where one of the mesons is reconstructed in the dielectron channel are also considered in the search. The process is observed with a significance of 5.3 standard deviations. The measured inclusive fiducial cross section, using the four-muon channel alone, is . A fit of the data to the expected rapidity separation for pairs of mesons produced in single (SPS) and double (DPS) parton scatterings yields and , respectively. This latter result can be transformed into a lower bound on the effective DPS cross section, closely related to the squared average interparton transverse separation in the collision, of at 95% confidence level. © 2024 CERN, for the CMS Collaboration 2024 CERN5106 Nuclear and Plasma Physics (for-2020)5107 Particle and High Energy Physics (for-2020)51 Physical Sciences (for-2020)application/pdfCC-BYeScholarship, University of Californiahttps://escholarship.org/uc/item/6kp7s2b5https://escholarship.org/content/qt6kp7s2b5/qt6kp7s2b5.pdfinfo:doi/10.1103/physrevd.110.092002articlePhysical Review D, vol 110, iss 9092002oai:escholarship.org:ark:/13030/qt0ds6p9vg2026-04-04T15:27:16Zqt0ds6p9vgEvidence for Top Quark Production in Nucleus-Nucleus CollisionsSirunyan, AMTumasyan, AAdam, WAmbrogi, FBergauer, TDragicevic, MErö, JDel Valle, A EscalanteFrühwirth, RJeitler, MKrammer, NLechner, LLiko, DMadlener, TMikulec, IRad, NSchieck, JSchöfbeck, RSpanring, MTempl, SWaltenberger, WWulz, C-EZarucki, MChekhovsky, VLitomin, AMakarenko, VGonzalez, J SuarezDarwish, MRDe Wolf, EADi Croce, DJanssen, XKello, TLelek, APieters, MSfar, H RejebVan Haevermaet, HVan Mechelen, PVan Putte, SVan Remortel, NBlekman, FBols, ESChhibra, SSD’Hondt, JDe Clercq, JLontkovskyi, DLowette, SMarchesini, IMoortgat, SPython, QTavernier, SVan Doninck, WVan Mulders, PBeghin, DBilin, BClerbaux, BDe Lentdecker, GDelannoy, HDorney, BFavart, LGrebenyuk, AKalsi, AKMakarenko, IMoureaux, LPétré, LPopov, APostiau, NStarling, EThomas, LVander Velde, CVanlaer, PVannerom, DWezenbeek, LCornelis, TDobur, DKhvastunov, INiedziela, MRoskas, CSkovpen, KTytgat, MVerbeke, WVermassen, BVit, MBruno, GBury, FCaputo, CDavid, PDelaere, CDelcourt, MDonertas, ISGiammanco, ALemaitre, VPrisciandaro, JSaggio, ATaliercio, ATeklishyn, MVischia, PWuyckens, SZobec, JAlves, GASilva, G Correia2020-11-27Ultrarelativistic heavy ion collisions recreate in the laboratory the thermodynamical conditions prevailing in the early universe up to 10^{-6} sec, thereby allowing the study of the quark-gluon plasma (QGP), a state of quantum chromodynamics (QCD) matter with deconfined partons. The top quark, the heaviest elementary particle known, is accessible in nucleus-nucleus collisions at the CERN LHC, and constitutes a novel probe of the QGP. Here, we report the first evidence for the production of top quarks in nucleus-nucleus collisions, using lead-lead collision data at a nucleon-nucleon center-of-mass energy of 5.02 TeV recorded by the CMS experiment. Two methods are used to measure the cross section for top quark pair production (σ_{tt[over ¯]}) via the selection of charged leptons (electrons or muons) and bottom quarks. One method relies on the leptonic information alone, and the second one exploits, in addition, the presence of bottom quarks. The measured cross sections, σ_{tt[over ¯]}=2.54_{-0.74}^{+0.84} and 2.03_{-0.64}^{+0.71} μb, respectively, are compatible with expectations from scaled proton-proton data and QCD predictions.5106 Nuclear and Plasma Physics (for-2020)5107 Particle and High Energy Physics (for-2020)51 Physical Sciences (for-2020)CMS Collaborationhep-exhep-exnucl-ex01 Mathematical Sciences (for)02 Physical Sciences (for)09 Engineering (for)General Physics (science-metrix)40 Engineering (for-2020)49 Mathematical sciences (for-2020)51 Physical sciences (for-2020)application/pdfpubliceScholarship, University of Californiahttps://escholarship.org/uc/item/0ds6p9vghttps://escholarship.org/content/qt0ds6p9vg/qt0ds6p9vg.pdfinfo:doi/10.1103/physrevlett.125.222001articlePhysical Review Letters, vol 125, iss 22222001oai:escholarship.org:ark:/13030/qt9bq507ct2026-04-04T15:26:45Zqt9bq507ctPostnatal outcomes of in utero repair of simple gastroschisis in an ovine modelByrd, EmilyAnderson, Jamie EGeronimo Lopez, Juan MariaLee, Su YeonHassan, MonalisaPivetti, ChrisPersiani, MicheleVatoofy, SinaSaenz, ZoeMcElroy, Steven JBautista, Geoanna MHirose, Shinjiro2025-10-01BACKGROUND: Gastroschisis is a congenital abdominal wall defect resulting in fetal bowel evisceration, causing significant postnatal morbidity, including prolonged bowel dysmotility and increased susceptibility to life-threatening infections. This study aimed to optimize an ovine model of gastroschisis by evaluating defect size to improve fetal survival and assess the impact of in utero repair (IUR) on postnatal outcomes.
METHODS: Ovine gastroschisis defect creation was achieved with a 2 or 3 cm abdominal wall defect at gestational age (GA) 76-82 days. Fetuses underwent repair either in utero at GA 101-107 or at birth via ex utero intrapartum treatment (EXIT) at GA 139-143. Postnatal outcomes included weight gain and bowel motility. Bowel histology, qRT-PCR of intestinal cytokines, and amniotic fluid cytokine analyses were performed.
RESULTS: Initial defect size increase (1.5 to 3 cm) resulted in high rates of ring dislodgement (71%) and associated complications, which significantly improved with a 2 cm defect. Six lambs survived to delivery (four IUR and two EXIT). IUR lambs demonstrated significantly higher weight gain compared to EXIT lambs (p = 0.007) and faster barium clearance (64-84 hours vs. 89- >168 hours). Histologic intestinal damage was reduced in IUR animals vs. EXIT. IL-6 and IL-17A expression were increased in IUR intestine, while IFN-γ was increased in EXIT bowel. Amniotic fluid cytokine analysis demonstrated variability.
CONCLUSIONS: We describe an optimized model of ovine simple gastroschisis with in utero repair. Postnatal outcomes suggest IUR may enhance bowel motility, reduce intestinal damage, and modulate inflammatory responses more effectively than EXIT repair.3215 Reproductive Medicine (for-2020)32 Biomedical and Clinical Sciences (for-2020)Stem Cell Research (rcdc)Perinatal Period - Conditions Originating in Perinatal Period (rcdc)Stem Cell Research - Nonembryonic - Non-Human (rcdc)Conditions Affecting the Embryonic and Fetal Periods (rcdc)Digestive Diseases (rcdc)Congenital Structural Anomalies (rcdc)Women's Health (rcdc)Pediatric Research Initiative (rcdc)Pregnancy (rcdc)Reproductive health and childbirth (hrcs-hc)Oral and gastrointestinal (hrcs-hc)3 Good Health and Well Being (sdg)Simple gastroschisis modelIn utero repairovine modelin utero repairsimple gastroschisis model1114 Paediatrics and Reproductive Medicine (for)Pediatrics (science-metrix)3202 Clinical sciences (for-2020)3213 Paediatrics (for-2020)CC-BYeScholarship, University of Californiahttps://escholarship.org/uc/item/9bq507ctinfo:doi/10.1016/j.jpedsurg.2025.162720articleJournal of Pediatric Surgery, vol 61, iss 6162720oai:escholarship.org:ark:/13030/qt4rb5889p2026-04-04T15:22:41Zqt4rb5889pHigh-power non-perturbative laser delivery diagnostics at the final focus of 100-TW-class laser pulsesIsono, Fumikavan Tilborg, JeroenBarber, Samuel KNatal, JosephBerger, CurtisTsai, Hai-EnOstermayr, TobiasGonsalves, AnthonyGeddes, CameronEsarey, Eric2021-01-01Abstract
Controlling the delivery of multi-terawatt and petawatt laser pulses to final focus, both in position and angle, is critical to many laser applications such as optical guiding, laser–plasma acceleration, and laser-produced secondary radiation. We present an online, non-destructive laser diagnostic, capable of measuring the transverse position and pointing angle at focus. The diagnostic is based on a unique double-surface-coated wedged-mirror design for the final steering optic in the laser line, producing a witness beam highly correlated with the main beam. By propagating low-power kilohertz pulses to focus, we observed spectra of focus position and pointing angle fluctuations dominated by frequencies below 70 Hz. The setup was also used to characterize the excellent position and pointing angle correlation of the 1 Hz high-power laser pulses to this low-power kilohertz pulse train, opening a promising path to fast non-perturbative feedback concepts even on few-hertz-class high-power laser systems.5108 Quantum Physics (for-2020)40 Engineering (for-2020)51 Physical Sciences (for-2020)high-power laserslaser diagnosticslaser stabilizationapplication/pdfpubliceScholarship, University of Californiahttps://escholarship.org/uc/item/4rb5889phttps://escholarship.org/content/qt4rb5889p/qt4rb5889p.pdfinfo:doi/10.1017/hpl.2021.12articleHigh Power Laser Science and Engineering, vol 9e25oai:escholarship.org:ark:/13030/qt2n30t3392026-04-04T15:21:28Zqt2n30t339Measurement of interaction between antiprotonsAdamczyk, LAdkins, JKAgakishiev, GAggarwal, MMAhammed, ZAlekseev, IAlford, JAparin, AArkhipkin, DAschenauer, ECAverichev, GSBairathi, VBanerjee, ABellwied, RBhasin, ABhati, AKBhattarai, PBielcik, JBielcikova, JBland, LCBordyuzhin, IGBouchet, JBrandenburg, JDBrandin, AVBunzarov, IButterworth, JCaines, Hde la Barca Sánchez, M CalderónCampbell, JMCebra, DCervantes, MCChakaberia, IChaloupka, PChang, ZChattopadhyay, SChen, JHChen, XCheng, JCherney, MChristie, WContin, GCrawford, HJDas, SDe Silva, LCDebbe, RRDedovich, TGDeng, JDerevschikov, AAdi Ruzza, BDidenko, LDilks, CDong, XDrachenberg, JLDraper, JEDu, CMDunkelberger, LEDunlop, JCEfimov, LGEngelage, JEppley, GEsha, REvdokimov, OEyser, OFatemi, RFazio, SFederic, PFedorisin, JFeng, ZFilip, PFisyak, YFlores, CEFulek, LGagliardi, CAGarand, DGeurts, FGibson, AGirard, MGreiner, LGrosnick, DGunarathne, DSGuo, YGupta, AGupta, SGuryn, WHamad, AHamed, AHaque, RHarris, JWHe, LHeppelmann, SHeppelmann, SHirsch, AHoffmann, GWHofman, DJHorvat, SHuang, BHuang, HZHuang, XHuck, PHumanic, TJ2015-11-01The interaction between antiprotons, produced by colliding high-energy gold ions, is shown to be attractive, and two important parameters of this interaction are measured, namely the scattering length and the effective range.5106 Nuclear and Plasma Physics (for-2020)5110 Synchrotrons and Accelerators (for-2020)51 Physical Sciences (for-2020)STAR Collaborationnucl-exnucl-exhep-exnucl-thGeneral Science & Technology (science-metrix)application/pdfCC-BY-NC-NDeScholarship, University of Californiahttps://escholarship.org/uc/item/2n30t339https://escholarship.org/content/qt2n30t339/qt2n30t339.pdfinfo:doi/10.1038/nature15724articleNature, vol 527, iss 7578345 - 348oai:escholarship.org:ark:/13030/qt0nv0975s2026-04-04T15:18:12Zqt0nv0975sMicrostructure of amide-functionalized polyethylenes determined by NMR relaxometryHaber, ShiraCiccia, Nicodemo RPeng, ZhengxingYang, FeipengIm, JuliaHua, MutianFricke, Sophia NGiovine, RaynaldHelms, Brett AWang, ChengHartwig, John FReimer, Jeffrey A2026-01-01NMR relaxation studies reveal that pendant amidyl groups on polyethylenes alter microstructure and chain dynamics. These groups are localized in the rigid amorphous fraction of the polymers and lead to changes in bulk properties.3403 Macromolecular and Materials Chemistry (for-2020)34 Chemical Sciences (for-2020)03 Chemical Sciences (for)34 Chemical sciences (for-2020)application/pdfCC-BYeScholarship, University of Californiahttps://escholarship.org/uc/item/0nv0975shttps://escholarship.org/content/qt0nv0975s/qt0nv0975s.pdfinfo:doi/10.1039/d5sc08878jarticleChemical Science, vol 17, iss 125984 - 5992oai:escholarship.org:ark:/13030/qt8kb0h1gb2026-04-04T15:09:23Zqt8kb0h1gbGuidelines for Publicly Archiving Terrestrial Model Data to Enhance Usability, Intercomparison, and SynthesisSimmonds, Maegen BRiley, William JAgarwal, Deborah AChen, XingyuanCholia, ShreyasCrystal-Ornelas, RobertCoon, Ethan TDwivedi, DipankarHendrix, Valerie CHuang, MaoyiJan, AhmadKakalia, ZarineKumar, JitendraKoven, Charles DLi, LiMelara, MarioRamakrishnan, LavanyaRicciuto, Daniel MWalker, Anthony PZhi, WeiZhu, QingVaradharajan, Charuleka2022-01-01Scientific communities are increasingly publishing data to evaluate, accredit, and build on published research. However, guidelines for curating data for publication are sparse for model-related research, limiting the usability of archived simulation data. In particular, there are no established guidelines for archiving data related to terrestrial models that simulate land processes and their coupled interactions with climate. Terrestrial modelers have a unique set of challenges when publishing data due to the diversity of scientific domains, research questions, and the types and scales of simulations. Researchers in the U.S. Department of Energy’s (DOE) projects use a variety of multiscale models to advance robust predictions of terrestrial and subsurface ecosystem processes. Here, we synthesize archiving needs for data associated with different DOE models, and provide guidelines for publishing terrestrial model data components following FAIR (Findable, Accessible, Interoperable, Reusable) principles. The guidelines recommend archiving model inputs and testing data used in final simulation runs along with associated codes, workflow scripts, and metadata in public repositories. Researchers should consider archiving model outputs if they are within the storage limits of the repository. We also provide considerations for how to bundle files into different data publications with citable digital object identifiers. Finally, we identify repository features and tools that would enable storage and reuse of model data. Given the diversity of DOE terrestrial models, these guidelines are transferable to other model types and will enable efficient reuse of simulation data for purposes such as model intercomparisons, initialization, benchmarking, synthesis, and comparisons with field observations.46 Information and Computing Sciences (for-2020)4610 Library and Information Studies (for-2020)Data Science (rcdc)0801 Artificial Intelligence and Image Processing (for)0804 Data Format (for)Computation Theory & Mathematics (science-metrix)4605 Data management and data science (for-2020)application/pdfpubliceScholarship, University of Californiahttps://escholarship.org/uc/item/8kb0h1gbhttps://escholarship.org/content/qt8kb0h1gb/qt8kb0h1gb.pdfinfo:doi/10.5334/dsj-2022-003articleData Science Journal, vol 21, iss 13oai:escholarship.org:ark:/13030/qt92t419x82026-04-04T15:08:46Zqt92t419x8Radial density profile and stability of capillary discharge plasma waveguides of lengths up to 40 cmTurner, MGonsalves, AJBulanov, SSBenedetti, CBobrova, NAGasilov, VASasorov, PVKorn, GNakamura, Kvan Tilborg, JGeddes, CGSchroeder, CBEsarey, E2021-01-01Abstract
We measured the parameter reproducibility and radial electron density profile of capillary discharge waveguides with diameters of 650
$\mathrm{\mu} \mathrm{m}$
to 2 mm and lengths of 9 to 40 cm. To the best of the authors’ knowledge, 40 cm is the longest discharge capillary plasma waveguide to date. This length is important for
$\ge$
10 GeV electron energy gain in a single laser-driven plasma wakefield acceleration stage. Evaluation of waveguide parameter variations showed that their focusing strength was stable and reproducible to
$<0.2$
% and their average on-axis plasma electron density to
$<1$
%. These variations explain only a small fraction of laser-driven plasma wakefield acceleration electron bunch variations observed in experiments to date. Measurements of laser pulse centroid oscillations revealed that the radial channel profile rises faster than parabolic and is in excellent agreement with magnetohydrodynamic simulation results. We show that the effects of non-parabolic contributions on Gaussian pulse propagation were negligible when the pulse was approximately matched to the channel. However, they affected pulse propagation for a non-matched configuration in which the waveguide was used as a plasma telescope to change the focused laser pulse spot size.5102 AtomicMolecular and Optical Physics (for-2020)51 Physical Sciences (for-2020)capillary plasma waveguidelaser-driven plasma wakefield accelerationplasma telescopematched laser guidingphysics.plasm-phphysics.plasm-phphysics.acc-phATAP-BELLA Center (c-lbnl-label)ATAP-GENERAL (c-lbnl-label)application/pdfpubliceScholarship, University of Californiahttps://escholarship.org/uc/item/92t419x8https://escholarship.org/content/qt92t419x8/qt92t419x8.pdfinfo:doi/10.1017/hpl.2021.6articleHigh Power Laser Science and Engineering, vol 9e17oai:escholarship.org:ark:/13030/qt2th4p34f2026-04-04T15:05:22Zqt2th4p34fUnexpected distribution of ν1f7/2 strength in Ca49Crawford, HLMacchiavelli, AOFallon, PAlbers, MBader, VMBazin, DCampbell, CMClark, RMCromaz, MDilling, JGade, AGallant, AHolt, JDJanssens, RVFKrücken, RLanger, CLauritsen, TLee, IYMenéndez, JNoji, SPaschalis, SRecchia, FRissanen, JSchwenk, AScott, MSimonis, JStroberg, SRTostevin, JAWalz, CWeisshaar, DWiens, AWimmer, KZhu, S2017-06-01The calcium isotopes have emerged as a critical testing ground for new microscopically derived shell-model interactions, and a great deal of experimental and theoretical focus has been directed toward this region. We investigate the relative spectroscopic strengths associated with 1f7/2 neutron hole states in Ca47,49 following one-neutron knockout reactions from Ca48,50. The observed reduction of strength populating the 7/21− state in Ca49, as compared to Ca47, is inconsistent with shell-model calculations using both phenomenological interactions such as GXPF1, and interactions derived from microscopically based two- and three-nucleon forces. The result suggests a fragmentation of the l=3 strength to higher-lying states as suggested by the microscopic calculations, but the observed magnitude of the reduction is not reproduced in any shell-model description.5106 Nuclear and Plasma Physics (for-2020)5110 Synchrotrons and Accelerators (for-2020)51 Physical Sciences (for-2020)5106 Nuclear and plasma physics (for-2020)publiceScholarship, University of Californiahttps://escholarship.org/uc/item/2th4p34finfo:doi/10.1103/physrevc.95.064317articlePhysical Review C, vol 95, iss 6064317oai:escholarship.org:ark:/13030/qt9ns828422026-04-04T13:06:39Zqt9ns82842Observation of nuclear modifications in W± boson production in pPb collisions at s NN = 8.16 TeVSirunyan, AMTumasyan, AAdam, WAmbrogi, FAsilar, EBergauer, TBrandstetter, JDragicevic, MErö, JDel Valle, A EscalanteFlechl, MFrühwirth, RGhete, VMHrubec, JJeitler, MKrammer, NKrätschmer, ILiko, DMadlener, TMikulec, IRad, NRohringer, HSchieck, JSchöfbeck, RSpanring, MSpitzbart, DTaurok, AWaltenberger, WWittmann, JWulz, C-EZarucki, MChekhovsky, VMossolov, VGonzalez, J SuarezDe Wolf, EADi Croce, DJanssen, XLauwers, JPieters, MVan Haevermaet, HVan Mechelen, PVan Remortel, NAbu Zeid, SBlekman, FD'Hondt, JDe Bruyn, IDe Clercq, JDeroover, KFlouris, GLontkovskyi, DLowette, SMarchesini, IMoortgat, SMoreels, LPython, QSkovpen, KTavernier, SVan Doninck, WVan Mulders, PVan Parijs, IBeghin, DBilin, BBrun, HClerbaux, BDe Lentdecker, GDelannoy, HDorney, BFasanella, GFavart, LGoldouzian, RGrebenyuk, AKalsi, AKLenzi, TLuetic, JPostiau, NStarling, EThomas, LVander Velde, CVanlaer, PVannerom, DWang, QCornelis, TDobur, DFagot, AGul, MKhvastunov, IPoyraz, DRoskas, CTrocino, DTytgat, MVerbeke, WVermassen, BVit, MZaganidis, NBakhshiansohi, HBondu, OBrochet, SBruno, GCaputo, CDavid, P2020-01-01The production of W ± bosons is studied in proton-lead (pPb) collisions at a nucleon-nucleon centre-of-mass energy of s NN = 8.16 TeV . Measurements are performed in the W ± → μ ± ν μ channel using a data sample corresponding to an integrated luminosity of 173.4 ± 6.1 nb − 1 , collected by the CMS Collaboration at the LHC. The number of positively and negatively charged W bosons is determined separately in the muon pseudorapidity region in the laboratory frame | η lab μ | < 2.4 and transverse momentum p T μ > 25 GeV / c . The W ± boson differential cross sections, muon charge asymmetry, and the ratios of W ± boson yields for the proton-going over the Pb-going beam directions are reported as a function of the muon pseudorapidity in the nucleon-nucleon centre-of-mass frame. The measurements are compared to the predictions from theoretical calculations based on parton distribution functions (PDFs) at next-to-leading-order. The results favour PDF calculations that include nuclear modifications and provide constraints on the nuclear PDF global fits.5106 Nuclear and Plasma Physics (for-2020)5107 Particle and High Energy Physics (for-2020)5110 Synchrotrons and Accelerators (for-2020)51 Physical Sciences (for-2020)CMSHeavy ionsElectroweakW bosonpPbnPDFhep-exhep-ex0105 Mathematical Physics (for)0201 Astronomical and Space Sciences (for)0202 AtomicMolecularNuclearParticle and Plasma Physics (for)Nuclear & Particles Physics (science-metrix)49 Mathematical sciences (for-2020)51 Physical sciences (for-2020)application/pdfpubliceScholarship, University of Californiahttps://escholarship.org/uc/item/9ns82842https://escholarship.org/content/qt9ns82842/qt9ns82842.pdfinfo:doi/10.1016/j.physletb.2019.135048articlePhysics Letters B, vol 800135048oai:escholarship.org:ark:/13030/qt22t1q1cr2026-04-04T13:03:14Zqt22t1q1crChemistry on quantum computers with virtual quantum subspace expansionUrbanek, MiroslavCamps, DaanVan Beeumen, RoelJong, Wibe A de2020-09-08Several novel methods for performing calculations relevant to quantum
chemistry on quantum computers have been proposed but not yet explored
experimentally. Virtual quantum subspace expansion [T. Takeshita et al., Phys.
Rev. X 10, 011004 (2020)] is one such algorithm developed for modeling complex
molecules using their full orbital space and without the need for additional
quantum resources. We implement this method on the IBM Q platform and calculate
the potential energy curves of the hydrogen and lithium dimers using only two
qubits and simple classical post-processing. A comparable level of accuracy
would require twenty qubits with previous approaches. We also develop an
approach to minimize the impact of experimental noise on the stability of a
generalized eigenvalue problem that is a crucial component of the algorithm.
Our results demonstrate that virtual quantum subspace expansion works well in
practice.quant-phquant-phphysics.chem-ph34 Chemical Sciences (for-2020)3406 Physical Chemistry (for-2020)3407 Theoretical and Computational Chemistry (for-2020)quant-phquant-phphysics.chem-ph0307 Theoretical and Computational Chemistry (for)0601 Biochemistry and Cell Biology (for)0803 Computer Software (for)Chemical Physics (science-metrix)3406 Physical chemistry (for-2020)3407 Theoretical and computational chemistry (for-2020)application/pdfpubliceScholarship, University of Californiahttps://escholarship.org/uc/item/22t1q1crhttps://escholarship.org/content/qt22t1q1cr/qt22t1q1cr.pdfinfo:doi/10.1021/acs.jctc.0c00447articleJournal of Chemical Theory and Computation, vol 16, iss 95425 - 5431oai:escholarship.org:ark:/13030/qt4ft291vn2026-04-04T13:03:07Zqt4ft291vnMeasurement of D0 Azimuthal Anisotropy at Midrapidity in Au+Au Collisions at sNN=200 GeVAdamczyk, LAdkins, JKAgakishiev, GAggarwal, MMAhammed, ZAjitanand, NNAlekseev, IAnderson, DMAoyama, RAparin, AArkhipkin, DAschenauer, ECAshraf, MUAttri, AAverichev, GSBai, XBairathi, VBehera, ABellwied, RBhasin, ABhati, AKBhattarai, PBielcik, JBielcikova, JBland, LCBordyuzhin, IGBouchet, JBrandenburg, JDBrandin, AVBrown, DBunzarov, IButterworth, JCaines, Hde la Barca Sánchez, M CalderónCampbell, JMCebra, DChakaberia, IChaloupka, PChang, ZChankova-Bunzarova, NChatterjee, AChattopadhyay, SChen, XChen, JHChen, XCheng, JCherney, MChristie, WContin, GCrawford, HJDas, SDe Silva, LCDebbe, RRDedovich, TGDeng, JDerevschikov, AADidenko, LDilks, CDong, XDrachenberg, JLDraper, JEDunkelberger, LEDunlop, JCEfimov, LGElsey, NEngelage, JEppley, GEsha, REsumi, SEvdokimov, OEwigleben, JEyser, OFatemi, RFazio, SFederic, PFedericova, PFedorisin, JFeng, ZFilip, PFinch, EFisyak, YFlores, CEFulek, LGagliardi, CAGarand, DGeurts, FGibson, AGirard, MGreiner, LGrosnick, DGunarathne, DSGuo, YGupta, AGupta, SGuryn, WHamad, AIHamed, AHarlenderova, AHarris, JWHe, L2017-05-26We report the first measurement of the elliptic anisotropy (v_{2}) of the charm meson D^{0} at midrapidity (|y|<1) in Au+Au collisions at sqrt[s_{NN}]=200 GeV. The measurement was conducted by the STAR experiment at RHIC utilizing a new high-resolution silicon tracker. The measured D^{0} v_{2} in 0%-80% centrality Au+Au collisions can be described by a viscous hydrodynamic calculation for a transverse momentum (p_{T}) of less than 4 GeV/c. The D^{0} v_{2} as a function of transverse kinetic energy (m_{T}-m_{0}, where m_{T}=sqrt[p_{T}^{2}+m_{0}^{2}]) is consistent with that of light mesons in 10%-40% centrality Au+Au collisions. These results suggest that charm quarks have achieved local thermal equilibrium with the medium created in such collisions. Several theoretical models, with the temperature-dependent, dimensionless charm spatial diffusion coefficient (2πTD_{s}) in the range of ∼2-12, are able to simultaneously reproduce our D^{0} v_{2} result and our previously published results for the D^{0} nuclear modification factor.5106 Nuclear and Plasma Physics (for-2020)5107 Particle and High Energy Physics (for-2020)51 Physical Sciences (for-2020)STAR Collaborationnucl-exnucl-ex01 Mathematical Sciences (for)02 Physical Sciences (for)09 Engineering (for)General Physics (science-metrix)40 Engineering (for-2020)49 Mathematical sciences (for-2020)51 Physical sciences (for-2020)application/pdfpubliceScholarship, University of Californiahttps://escholarship.org/uc/item/4ft291vnhttps://escholarship.org/content/qt4ft291vn/qt4ft291vn.pdfinfo:doi/10.1103/physrevlett.118.212301articlePhysical Review Letters, vol 118, iss 21212301oai:escholarship.org:ark:/13030/qt45p741tw2026-04-04T13:02:58Zqt45p741twChromatographic separation of radioactive noble gases from xenonAkerib, DSAraújo, HMBai, XBailey, AJBalajthy, JBeltrame, PBernard, EPBernstein, ABiesiadzinski, TPBoulton, EMBramante, RCahn, SBCarmona-Benitez, MCChan, CChiller, AAChiller, CCoffey, TCurrie, ACutter, JEDavison, TJRDobi, ADobson, JEYDruszkiewicz, EEdwards, BNFaham, CHFiorucci, SGaitskell, RJGehman, VMGhag, CGibson, KRGilchriese, MGDHall, CRHanhardt, MHaselschwardt, SJHertel, SAHogan, DPHorn, MHuang, DQIgnarra, CMIhm, MJacobsen, RGJi, WKamdin, KKazkaz, KKhaitan, DKnoche, RLarsen, NALee, CLenardo, BGLesko, KTLindote, ALopes, MIManalaysay, AMannino, RLMarzioni, MFMcKinsey, DNMei, D-MMock, JMoongweluwan, MMorad, JAMurphyNehrkorn, CNelson, HNNeves, FO’Sullivan, KOliver-Mallory, KCPalladino, KJPease, EKPech, KPhelps, PReichhart, LRhyne, CShaw, SShutt, TASilva, CSolovov, VNSorensen, PStephenson, SSumner, TJSzydagis, MTaylor, DJTaylor, WTennyson, BPTerman, PATiedt, DRTo, WHTripathi, MTvrznikova, LUvarov, SVerbus, JRWebb, RCWhite, JTWhitis, TJWitherell, MSWolfs, FLHYazdani, KYoung, SKZhang, C2018-01-01The Large Underground Xenon (LUX) experiment operates at the Sanford Underground Research Facility to detect nuclear recoils from the hypothetical Weakly Interacting Massive Particles (WIMPs) on a liquid xenon target. Liquid xenon typically contains trace amounts of the noble radioactive isotopes 85Kr and 39Ar that are not removed by the in situ gas purification system. The decays of these isotopes at concentrations typical of research-grade xenon would be a dominant background for a WIMP search experiment. To remove these impurities from the liquid xenon, a chromatographic separation system based on adsorption on activated charcoal was built. 400 kg of xenon was processed, reducing the average concentration of krypton from 130 ppb to 3.5 ppt as measured by a cold-trap assisted mass spectroscopy system. A 50 kg batch spiked to 0.001 g/g of krypton was processed twice and reduced to an upper limit of 0.2 ppt.5106 Nuclear and Plasma Physics (for-2020)5110 Synchrotrons and Accelerators (for-2020)51 Physical Sciences (for-2020)XenonKryptonAdsorptionChromatographyGas SeparationDark Matterphysics.ins-detphysics.ins-det0201 Astronomical and Space Sciences (for)0202 AtomicMolecularNuclearParticle and Plasma Physics (for)Nuclear & Particles Physics (science-metrix)5101 Astronomical sciences (for-2020)5107 Particle and high energy physics (for-2020)application/pdfpubliceScholarship, University of Californiahttps://escholarship.org/uc/item/45p741twhttps://escholarship.org/content/qt45p741tw/qt45p741tw.pdfinfo:doi/10.1016/j.astropartphys.2017.10.014articleAstroparticle Physics, vol 9780 - 87oai:escholarship.org:ark:/13030/qt80j0t30k2026-04-04T13:02:40Zqt80j0t30kMultiscale Hodge Scattering Networks for Data AnalysisSaito, NaokiSchonsheck, Stefan CShvarts, Eugene2026-03-01We propose new scattering networks for signals measured on simplicial complexes, which we call Multiscale Hodge Scattering Networks (MHSNs). Our construction builds on multiscale basis dictionaries on simplicial complexes—namely, the κ-GHWT and κ-HGLET—which we recently developed for simplices of dimension κ ∈ N in a given simplicial complex by generalizing the node-based Generalized Haar–Walsh Transform (GHWT) and Hierarchical Graph Laplacian Eigen Transform (HGLET). Both the κ-GHWT and the κ-HGLET form redundant sets (i.e., dictionaries) of multiscale basis vectors and the corresponding expansion coefficients of a given signal. Our MHSNs adopt a layered structure analogous to a convolutional neural network (CNN), cascading the moments of the modulus of the dictionary coefficients. The resulting features are invariant to reordering of the simplices (i.e., node permutation of the underlying graphs). Importantly, the use of multiscale basis dictionaries in our MHSNs admits a natural pooling operation—akin to local pooling in CNNs—that can be performed either locally or per scale. Such pooling operations are more difficult to define in traditional scattering networks based on Morlet wavelets and in geometric scattering networks based on Diffusion Wavelets. As a result, our approach extracts a rich set of descriptive yet robust features that can be combined with simple machine learning models (e.g., logistic regression or support vector machines) to achieve high-accuracy classification with far fewer trainable parameters than most modern graph neural networks require. Finally, we demonstrate the effectiveness of MHSNs on three distinct problem types: signal classification, domain (i.e., graph/simplex) classification, and molecular dynamics prediction.4901 Applied Mathematics (for-2020)4904 Pure Mathematics (for-2020)49 Mathematical Sciences (for-2020)Machine Learning and Artificial Intelligence (rcdc)Networking and Information Technology R&D (NITRD) (rcdc)Bioengineering (rcdc)Scattering transformSimplicial complexesMultiscale graph basis dictionariesHodge LaplaciansHaar-Walsh wavelet packetsGraph classificationSignal classification and regression0101 Pure Mathematics (for)0102 Applied Mathematics (for)0103 Numerical and Computational Mathematics (for)Numerical & Computational Mathematics (science-metrix)4901 Applied mathematics (for-2020)4904 Pure mathematics (for-2020)CC-BYeScholarship, University of Californiahttps://escholarship.org/uc/item/80j0t30kinfo:doi/10.1016/j.acha.2026.101876articleApplied and Computational Harmonic Analysis, vol 84101876oai:escholarship.org:ark:/13030/qt40g781fh2026-04-04T13:02:24Zqt40g781fhTRY plant trait database – enhanced coverage and open accessKattge, JensBönisch, GerhardDíaz, SandraLavorel, SandraPrentice, Iain ColinLeadley, PaulTautenhahn, SusanneWerner, Gijsbert DAAakala, TuomasAbedi, MehdiAcosta, Alicia TRAdamidis, George CAdamson, KairiAiba, MasahiroAlbert, Cécile HAlcántara, Julio MC, Carolina AlcázarAleixo, IzabelaAli, HamadaAmiaud, BernardAmmer, ChristianAmoroso, Mariano MAnand, MadhurAnderson, CarolynAnten, NielsAntos, JosephApgaua, Deborah Mattos GuimarãesAshman, Tia‐LynnAsmara, Degi HarjaAsner, Gregory PAspinwall, MichaelAtkin, OwenAubin, IsabelleBaastrup‐Spohr, LarsBahalkeh, KhadijehBahn, MichaelBaker, TimothyBaker, William JBakker, Jan PBaldocchi, DennisBaltzer, JenniferBanerjee, ArindamBaranger, AnneBarlow, JosBarneche, Diego RBaruch, ZdravkoBastianelli, DenisBattles, JohnBauerle, WilliamBauters, MarijnBazzato, ErikaBeckmann, MichaelBeeckman, HansBeierkuhnlein, CarlBekker, ReneeBelfry, GavinBelluau, MichaelBeloiu, MirelaBenavides, RaquelBenomar, LahcenBerdugo‐Lattke, Mary LeeBerenguer, ErikaBergamin, RodrigoBergmann, JoanaCarlucci, Marcos BergmannBerner, LoganBernhardt‐Römermann, MarkusBigler, ChristofBjorkman, Anne DBlackman, ChrisBlanco, CarolinaBlonder, BenjaminBlumenthal, DanaBocanegra‐González, Kelly TBoeckx, PascalBohlman, StephanieBöhning‐Gaese, KatrinBoisvert‐Marsh, LauraBond, WilliamBond‐Lamberty, BenBoom, ArnoudBoonman, Coline CFBordin, KauaneBoughton, Elizabeth HBoukili, VanessaBowman, David MJSBravo, SandraBrendel, Marco RichardBroadley, Martin RBrown, Kerry ABruelheide, HelgeBrumnich, FedericoBruun, Hans HenrikBruy, DavidBuchanan, Serra WBucher, Solveig FranziskaBuchmann, NinaBuitenwerf, RobertBunker, Daniel EBürger, Jana2020-01-01Plant traits-the morphological, anatomical, physiological, biochemical and phenological characteristics of plants-determine how plants respond to environmental factors, affect other trophic levels, and influence ecosystem properties and their benefits and detriments to people. Plant trait data thus represent the basis for a vast area of research spanning from evolutionary biology, community and functional ecology, to biodiversity conservation, ecosystem and landscape management, restoration, biogeography and earth system modelling. Since its foundation in 2007, the TRY database of plant traits has grown continuously. It now provides unprecedented data coverage under an open access data policy and is the main plant trait database used by the research community worldwide. Increasingly, the TRY database also supports new frontiers of trait-based plant research, including the identification of data gaps and the subsequent mobilization or measurement of new data. To support this development, in this article we evaluate the extent of the trait data compiled in TRY and analyse emerging patterns of data coverage and representativeness. Best species coverage is achieved for categorical traits-almost complete coverage for 'plant growth form'. However, most traits relevant for ecology and vegetation modelling are characterized by continuous intraspecific variation and trait-environmental relationships. These traits have to be measured on individual plants in their respective environment. Despite unprecedented data coverage, we observe a humbling lack of completeness and representativeness of these continuous traits in many aspects. We, therefore, conclude that reducing data gaps and biases in the TRY database remains a key challenge and requires a coordinated approach to data mobilization and trait measurements. This can only be achieved in collaboration with other initiatives.4101 Climate Change Impacts and Adaptation (for-2020)31 Biological Sciences (for-2020)3103 Ecology (for-2020)41 Environmental Sciences (for-2020)Access to Information (mesh)Biodiversity (mesh)Ecology (mesh)Ecosystem (mesh)Plants (mesh)data coveragedata integrationdata representativenessfunctional diversityplant traitsTRY plant trait databaseNutrient NetworkPlants (mesh)Ecology (mesh)Ecosystem (mesh)Biodiversity (mesh)Access to Information (mesh)TRY plant trait databasedata coveragedata integrationdata representativenessfunctional diversityplant traitsAccess to Information (mesh)Biodiversity (mesh)Ecology (mesh)Ecosystem (mesh)Plants (mesh)05 Environmental Sciences (for)06 Biological Sciences (for)Ecology (science-metrix)31 Biological sciences (for-2020)37 Earth sciences (for-2020)41 Environmental sciences (for-2020)application/pdfpubliceScholarship, University of Californiahttps://escholarship.org/uc/item/40g781fhhttps://escholarship.org/content/qt40g781fh/qt40g781fh.pdfinfo:doi/10.1111/gcb.14904articleGlobal Change Biology, vol 26, iss 1119 - 188oai:escholarship.org:ark:/13030/qt13j8252z2026-04-04T13:02:12Zqt13j8252zMechanical Design Studies of the MQXF Long Model Quadrupole for the HiLumi LHCPan, HengAnderssen, EricAmbrosio, GiorgioCheng, Daniel WJuchno, MariuszFerracin, PaoloFelice, HelenePerez, Juan CarlosPrestemon, Soren OVallone, Giorgio2017-01-01The Large Hadron Collider Luminosity upgrade (HiLumi) program requires new low-β triplet quadrupole magnets, called MQXF, in the interaction region to increase the LHC peak and integrated luminosity. The MQXF magnets, designed and fabricated in collaboration between CERN and the U.S. LARP, will all have the same cross section. The MQXF long model, referred as MQXFA, is a quadrupole using the Nb3Sn superconducting technology with 150 mm aperture and a 4.2 m magnetic length and is the first long prototype of the final MQXF design. The MQXFA magnet is based on the previous LARP HQ and MQXFS designs. In this paper, we present the baseline design of the MQXFA structure with detailed three-dimensional (3-D) numerical analysis. A detailed tolerance analysis of the baseline case has been performed by using a 3-D finite element model, which allows fast computation of structures modeled with actual tolerances. Tolerance sensitivity of each component is discussed to verify the actual tolerances to be achieved by vendors. Tolerance stack-up analysis is presented in the end of this paper.5106 Nuclear and Plasma Physics (for-2020)51 Physical Sciences (for-2020)High Luminosity LHC (HL-LHC)quadrupoleLARPNb3Sn magnetshell-based support structurelong modeltolerance analysis0204 Condensed Matter Physics (for)0906 Electrical and Electronic Engineering (for)0912 Materials Engineering (for)General Physics (science-metrix)4008 Electrical engineering (for-2020)5104 Condensed matter physics (for-2020)application/pdfpubliceScholarship, University of Californiahttps://escholarship.org/uc/item/13j8252zhttps://escholarship.org/content/qt13j8252z/qt13j8252z.pdfinfo:doi/10.1109/tasc.2016.2642169articleIEEE Transactions on Applied Superconductivity, vol 27, iss 41 - 5oai:escholarship.org:ark:/13030/qt3t00q5w52026-04-04T12:58:54Zqt3t00q5w5Measurement of the cross section and longitudinal double-spin asymmetry for dijet production in polarized pp collisions at s=200 GeVAdamczyk, LAdkins, JKAgakishiev, GAggarwal, MMAhammed, ZAjitanand, NNAlekseev, IAnderson, DMAoyama, RAparin, AArkhipkin, DAschenauer, ECAshraf, MUAttri, AAverichev, GSBai, XBairathi, VBarish, KBehera, ABellwied, RBhasin, ABhati, AKBhattarai, PBielcik, JBielcikova, JBland, LCBordyuzhin, IGBouchet, JBrandenburg, JDBrandin, AVBrown, DBunzarov, IButterworth, JCaines, Hde la Barca Sánchez, M CalderónCampbell, JMCebra, DChakaberia, IChaloupka, PChang, ZChankova-Bunzarova, NChatterjee, AChattopadhyay, SChen, XChen, XChen, JHCheng, JCherney, MChristie, WContin, GCrawford, HJDas, SDe Silva, LCDebbe, RRDedovich, TGDeng, JDerevschikov, AADidenko, LDilks, CDong, XDrachenberg, JLDraper, JEDunkelberger, LEDunlop, JCEfimov, LGElsey, NEngelage, JEppley, GEsha, REsumi, SEvdokimov, OEwigleben, JEyser, OFatemi, RFazio, SFederic, PFedericova, PFedorisin, JFeng, ZFilip, PFinch, EFisyak, YFlores, CEFujita, JFulek, LGagliardi, CAGarand, DGeurts, FGibson, AGirard, MGrosnick, DGunarathne, DSGuo, YGupta, SGupta, AGuryn, WHamad, AIHamed, AHarlenderova, AHarris, JW2017-04-01We report the first measurement of the longitudinal double-spin asymmetry ALL for midrapidity dijet production in polarized pp collisions at a center-of-mass energy of s=200 GeV. The dijet cross section was measured and is shown to be consistent with next-to-leading order (NLO) perturbative QCD predictions. ALL results are presented for two distinct topologies, defined by the jet pseudorapidities, and are compared to predictions from several recent NLO global analyses. The measured asymmetries, the first such correlation measurements, support those analyses that find positive gluon polarization at the level of roughly 0.2 over the region of Bjorken-x>0.05.5106 Nuclear and Plasma Physics (for-2020)5107 Particle and High Energy Physics (for-2020)4902 Mathematical Physics (for-2020)49 Mathematical Sciences (for-2020)51 Physical Sciences (for-2020)hep-exhep-exnucl-expubliceScholarship, University of Californiahttps://escholarship.org/uc/item/3t00q5w5info:doi/10.1103/physrevd.95.071103articlePhysical Review D, vol 95, iss 7071103oai:escholarship.org:ark:/13030/qt8sx4j02b2026-04-04T12:58:16Zqt8sx4j02bAutomating cell detection and classification in human brain fluorescent microscopy images using dictionary learning and sparse codingAlegro, MaryanaTheofilas, PanagiotisNguy, AustinCastruita, Patricia ASeeley, WilliamHeinsen, HelmutUshizima, Daniela MGrinberg, Lea T2017-04-01BACKGROUND: Immunofluorescence (IF) plays a major role in quantifying protein expression in situ and understanding cell function. It is widely applied in assessing disease mechanisms and in drug discovery research. Automation of IF analysis can transform studies using experimental cell models. However, IF analysis of postmortem human tissue relies mostly on manual interaction, often subjected to low-throughput and prone to error, leading to low inter and intra-observer reproducibility. Human postmortem brain samples challenges neuroscientists because of the high level of autofluorescence caused by accumulation of lipofuscin pigment during aging, hindering systematic analyses. We propose a method for automating cell counting and classification in IF microscopy of human postmortem brains. Our algorithm speeds up the quantification task while improving reproducibility.
NEW METHOD: Dictionary learning and sparse coding allow for constructing improved cell representations using IF images. These models are input for detection and segmentation methods. Classification occurs by means of color distances between cells and a learned set.
RESULTS: Our method successfully detected and classified cells in 49 human brain images. We evaluated our results regarding true positive, false positive, false negative, precision, recall, false positive rate and F1 score metrics. We also measured user-experience and time saved compared to manual countings.
COMPARISON WITH EXISTING METHODS: We compared our results to four open-access IF-based cell-counting tools available in the literature. Our method showed improved accuracy for all data samples.
CONCLUSION: The proposed method satisfactorily detects and classifies cells from human postmortem brain IF images, with potential to be generalized for applications in other counting tasks.32 Biomedical and Clinical Sciences (for-2020)3209 Neurosciences (for-2020)Bioengineering (rcdc)Neurosciences (rcdc)Neurological (hrcs-hc)Alzheimer Disease (mesh)Brain (mesh)Cell Count (mesh)Fluorescent Antibody Technique (mesh)Humans (mesh)Image ProcessingComputer-Assisted (mesh)Machine Learning (mesh)MicroscopyFluorescence (mesh)Pattern RecognitionAutomated (mesh)Reproducibility of Results (mesh)Dictionary learningSparse modelsImage segmentationImmunofluorescencePostmortem human brainMicroscopyBrain (mesh)Humans (mesh)Alzheimer Disease (mesh)MicroscopyFluorescence (mesh)Fluorescent Antibody Technique (mesh)Cell Count (mesh)Reproducibility of Results (mesh)Image ProcessingComputer-Assisted (mesh)Pattern RecognitionAutomated (mesh)Machine Learning (mesh)Dictionary learningImage segmentationImmunofluorescenceMicroscopyPostmortem human brainSparse modelsAlzheimer Disease (mesh)Brain (mesh)Cell Count (mesh)Fluorescent Antibody Technique (mesh)Humans (mesh)Image ProcessingComputer-Assisted (mesh)Machine Learning (mesh)MicroscopyFluorescence (mesh)Pattern RecognitionAutomated (mesh)Reproducibility of Results (mesh)1109 Neurosciences (for)1701 Psychology (for)1702 Cognitive Sciences (for)Neurology & Neurosurgery (science-metrix)3209 Neurosciences (for-2020)application/pdfpubliceScholarship, University of Californiahttps://escholarship.org/uc/item/8sx4j02bhttps://escholarship.org/content/qt8sx4j02b/qt8sx4j02b.pdfinfo:doi/10.1016/j.jneumeth.2017.03.002articleJournal of Neuroscience Methods, vol 28220 - 33oai:escholarship.org:ark:/13030/qt92f197492026-04-04T12:57:56Zqt92f19749LBNL Open Power DataPeisert, SGentz, RBoverhof, JMcParland, CEngle, SElbashandy, AGunter, D2017-05-31The dataset stored at https://powerdata-explore.lbl.gov is a set of power measure- ments and annotations, and an interface for exploring and downloading that data. The power measurements are collected by micro-phasor measurement units (μPMUs) [Powa, VMCMA14] and PQube3 power quality meters [Powb] manufactured by Power Standards Laboratory in Alameda, CA and located at Lawrence Berkeley National Laboratory, as well as other sites. This white paper describes the datasets, how to view and download the data and associated metadata.application/pdfCC-BYeScholarship, University of Californiahttps://escholarship.org/uc/item/92f19749https://escholarship.org/content/qt92f19749/qt92f19749.pdfinfo:doi/10.21990/C21599articleoai:escholarship.org:ark:/13030/qt2vh6s0wb2026-04-04T12:54:34Zqt2vh6s0wbCompiler-Directed Transformation for Higher-Order StencilsBasu, ProtonuHall, MaryWilliams, SamuelVan Straalen, BrianOliker, LeonidColella, Phillip2015-05-01As the cost of data movement increasingly dominates performance, developers of finite-volume and finite-difference solutions for partial differential equations (PDEs) are exploring novel higher-order stencils that increase numerical accuracy and computational intensity. This paper describes a new compiler reordering transformation applied to stencil operators that performs partial sums in buffers, and reuses the partial sums in computing multiple results. This optimization has multiple effects on improving stencil performance that are particularly important to higher-order stencils: exploits data reuse, reduces floating-point operations, and exposes efficient SIMD parallelism to backend compilers. We study the benefit of this optimization in the context of Geometric Multigrid (GMG), a widely used method to solve PDEs, using four different Jacobi smoothers built from 7-, 13-27-and 125-point stencils. We quantify performance, speedup, and numerical accuracy, and use the Roofline model to qualify our results. Ultimately, we obtain over $4\times$ speedup on the smoothers themselves and up to a $3\times$ speedup on the multigrid solver. Finally, we demonstrate that high-order multigrid solvers have the potential of reducing total data movement and energy by several orders of magnitude.46 Information and Computing Sciences (for-2020)40 Engineering (for-2020)4008 Electrical Engineering (for-2020)Compiler OptimizationStencilHigh-OrderMultigridMehrstellenapplication/pdfpubliceScholarship, University of Californiahttps://escholarship.org/uc/item/2vh6s0wbhttps://escholarship.org/content/qt2vh6s0wb/qt2vh6s0wb.pdfinfo:doi/10.1109/ipdps.2015.103article2015 IEEE 29TH INTERNATIONAL PARALLEL AND DISTRIBUTED PROCESSING SYMPOSIUM (IPDPS)1 - 11oai:escholarship.org:ark:/13030/qt2w63c8cm2026-04-04T12:54:09Zqt2w63c8cmFPGA-based trigger system for the LUX dark matter experimentAkerib, DSAraújo, HMBai, XBailey, AJBalajthy, JBeltrame, PBernard, EPBernstein, ABiesiadzinski, TPBoulton, EMBradley, ABramante, RCahn, SBCarmona-Benitez, MCChan, CChapman, JJChiller, AAChiller, CCurrie, ACutter, JEDavison, TJRde Viveiros, LDobi, ADobson, JEYDruszkiewicz, EEdwards, BNFaham, CHFiorucci, SGaitskell, RJGehman, VMGhag, CGibson, KRGilchriese, MGDHall, CRHanhardt, MHaselschwardt, SJHertel, SAHogan, DPHorn, MHuang, DQIgnarra, CMIhm, MJacobsen, RGJi, WKazkaz, KKhaitan, DKnoche, RLarsen, NALee, CLenardo, BGLesko, KTLindote, ALopes, MIMalling, DCManalaysay, AGMannino, RLMarzioni, MFMcKinsey, DNMei, D-MMock, JMoongweluwan, MMorad, JAMurphyNehrkorn, CNelson, HNNeves, FO׳Sullivan, KOliver-Mallory, KCOtt, RAPalladino, KJPangilinan, MPease, EKPhelps, PReichhart, LRhyne, CShaw, SShutt, TASilva, CSkulski, WSolovov, VNSorensen, PStephenson, SSumner, TJSzydagis, MTaylor, DJTaylor, WTennyson, BPTerman, PATiedt, DRTo, WHTripathi, MTvrznikova, LUvarov, SVerbus, JRWebb, RCWhite, JTWhitis, TJWitherell, MSWolfs, FLHYin, J2016-05-01LUX is a two-phase (liquid/gas) xenon time projection chamber designed to detect nuclear recoils resulting from interactions with dark matter particles. Signals from the detector are processed with an FPGA-based digital trigger system that analyzes the incoming data in real-time, with just a few microsecond latency. The system enables first pass selection of events of interest based on their pulse shape characteristics and 3D localization of the interactions. It has been shown to be >99% efficient in triggering on S2 signals induced by only few extracted liquid electrons. It is continuously and reliably operating since its full underground deployment in early 2013. This document is an overview of the systems capabilities, its inner workings, and its performance.5106 Nuclear and Plasma Physics (for-2020)5110 Synchrotrons and Accelerators (for-2020)51 Physical Sciences (for-2020)TriggerDark matter detectorsDSPFPGADAQBaseline subtractionphysics.ins-detphysics.ins-det0201 Astronomical and Space Sciences (for)0202 AtomicMolecularNuclearParticle and Plasma Physics (for)0299 Other Physical Sciences (for)Nuclear & Particles Physics (science-metrix)5106 Nuclear and plasma physics (for-2020)application/pdfpubliceScholarship, University of Californiahttps://escholarship.org/uc/item/2w63c8cmhttps://escholarship.org/content/qt2w63c8cm/qt2w63c8cm.pdfinfo:doi/10.1016/j.nima.2016.02.017articleNuclear Instruments and Methods in Physics Research Section A Accelerators Spectrometers Detectors and Associated Equipment, vol 81857 - 67oai:escholarship.org:ark:/13030/qt2dn4s4gn2026-04-04T12:53:30Zqt2dn4s4gnMeasurements of top quark spin observables in tt¯ events using dilepton final states in s=8 TeV pp collisions with the ATLAS detectorThe ATLAS collaborationAaboud, MAad, GAbbott, BAbdallah, JAbdinov, OAbeloos, BAbouZeid, OSAbraham, NLAbramowicz, HAbreu, HAbreu, RAbulaiti, YAcharya, BSAdachi, SAdamczyk, LAdams, DLAdelman, JAdomeit, SAdye, TAffolder, AAAgatonovic-Jovin, TAguilar-Saavedra, JAAhlen, SPAhmadov, FAielli, GAkerstedt, HÅkesson, TPAAkimov, AVAlberghi, GLAlbert, JAlbrand, SAlconada Verzini, MJAleksa, MAleksandrov, INAlexa, CAlexander, GAlexopoulos, TAlhroob, MAli, BAliev, MAlimonti, GAlison, JAlkire, SPAllbrooke, BMMAllen, BWAllport, PPAloisio, AAlonso, AAlonso, FAlpigiani, CAlshehri, AAAlstaty, MGonzalez, B AlvarezPiqueras, D ÁlvarezAlviggi, MGAmadio, BTCoutinho, Y AmaralAmelung, CAmidei, DAmor Dos Santos, SPAmorim, AAmoroso, SAmundsen, GAnastopoulos, CAncu, LSAndari, NAndeen, TAnders, CFAnders, JKAnderson, KJAndreazza, AAndrei, VAngelidakis, SAngelozzi, IAngerami, AAnghinolfi, FAnisenkov, AVAnjos, NAnnovi, AAntel, CAntonelli, MAntonov, AAntrim, DJAnulli, FAoki, MBella, L AperioArabidze, GArai, YAraque, JPFerraz, V AraujoArce, ATHArduh, FAArguin, J-FArgyropoulos, SArik, MArmbruster, AJArmitage, LJArnaez, OArnold, H2017-03-01Measurements of top quark spin observables in tt¯$$ t\overline{t} $$ events are presented based on 20.2 fb−1 of s=8$$ \sqrt{s}=8 $$ TeV proton-proton collisions recorded with the ATLAS detector at the LHC. The analysis is performed in the dilepton final state, characterised by the presence of two isolated leptons (electrons or muons). There are 15 observables, each sensitive to a different coefficient of the spin density matrix of tt¯$$ t\overline{t} $$ production, which are measured independently. Ten of these observables are measured for the first time. All of them are corrected for detector resolution and acceptance effects back to the parton and stable-particle levels. The measured values of the observables at parton level are compared to Standard Model predictions at next-to-leading order in QCD. The corrected distributions at stable-particle level are presented and the means of the distributions are compared to Monte Carlo predictions. No significant deviation from the Standard Model is observed for any observable.5106 Nuclear and Plasma Physics (for-2020)5107 Particle and High Energy Physics (for-2020)4902 Mathematical Physics (for-2020)49 Mathematical Sciences (for-2020)51 Physical Sciences (for-2020)Hadron-Hadron scattering (experiments)hep-exhep-ex0105 Mathematical Physics (for)0202 AtomicMolecularNuclearParticle and Plasma Physics (for)0206 Quantum Physics (for)Nuclear & Particles Physics (science-metrix)4902 Mathematical physics (for-2020)5106 Nuclear and plasma physics (for-2020)5107 Particle and high energy physics (for-2020)application/pdfCC-BYeScholarship, University of Californiahttps://escholarship.org/uc/item/2dn4s4gnhttps://escholarship.org/content/qt2dn4s4gn/qt2dn4s4gn.pdfinfo:doi/10.1007/jhep03(2017)113articleJournal of High Energy Physics, vol 2017, iss 3113oai:escholarship.org:ark:/13030/qt8744z0nw2026-04-04T12:37:17Zqt8744z0nwCombined search for supersymmetry with photons in proton-proton collisions at s = 13 TeVSirunyan, AMTumasyan, AAdam, WAmbrogi, FBergauer, TBrandstetter, JDragicevic, MErö, JDel Valle, A EscalanteFlechl, MFrühwirth, RJeitler, MKrammer, NKrätschmer, ILiko, DMadlener, TMikulec, IRad, NSchieck, JSchöfbeck, RSpanring, MSpitzbart, DWaltenberger, WWulz, C-EZarucki, MDrugakov, VMossolov, VGonzalez, J SuarezDarwish, MRDe Wolf, EADi Croce, DJanssen, XLauwers, JLelek, APieters, MSfar, H RejebVan Haevermaet, HVan Mechelen, PVan Putte, SVan Remortel, NBlekman, FBols, ESChhibra, SSD'Hondt, JDe Clercq, JLontkovskyi, DLowette, SMarchesini, IMoortgat, SMoreels, LPython, QSkovpen, KTavernier, SVan Doninck, WVan Mulders, PVan Parijs, IBeghin, DBilin, BBrun, HClerbaux, BDe Lentdecker, GDelannoy, HDorney, BFavart, LGrebenyuk, AKalsi, AKLuetic, JPopov, APostiau, NStarling, EThomas, LVander Velde, CVanlaer, PVannerom, DCornelis, TDobur, DKhvastunov, INiedziela, MRoskas, CTrocino, DTytgat, MVerbeke, WVermassen, BVit, MZaganidis, NBondu, OBruno, GCaputo, CDavid, PDelaere, CDelcourt, MGiammanco, ALemaitre, VMagitteri, APrisciandaro, JSaggio, AMarono, M VidalVischia, PZobec, JAlves, FL2020-02-01A combination of four searches for new physics involving signatures with at least one photon and large missing transverse momentum, motivated by generalized models of gauge-mediated supersymmetry (SUSY) breaking, is presented. All searches make use of proton-proton collision data at s = 13 TeV, which were recorded with the CMS detector at the LHC in 2016, and correspond to an integrated luminosity of 35.9 fb−1. Signatures with at least one photon and large missing transverse momentum are categorized into events with two isolated photons, events with a lepton and a photon, events with additional jets, and events with at least one high-energy photon. No excess of events is observed beyond expectations from standard model processes, and limits are set in the context of gauge-mediated SUSY. Compared to the individual searches, the combination extends the sensitivity to gauge-mediated SUSY in both electroweak and strong production scenarios by up to 100 GeV in neutralino and chargino masses, and yields the first CMS result combining various SUSY searches in events with photons at s = 13 TeV.5106 Nuclear and Plasma Physics (for-2020)5107 Particle and High Energy Physics (for-2020)51 Physical Sciences (for-2020)CMSPhysicsSupersymmetryGauge-mediated supersymmetryhep-exhep-ex0105 Mathematical Physics (for)0201 Astronomical and Space Sciences (for)0202 AtomicMolecularNuclearParticle and Plasma Physics (for)Nuclear & Particles Physics (science-metrix)49 Mathematical sciences (for-2020)51 Physical sciences (for-2020)application/pdfpubliceScholarship, University of Californiahttps://escholarship.org/uc/item/8744z0nwhttps://escholarship.org/content/qt8744z0nw/qt8744z0nw.pdfinfo:doi/10.1016/j.physletb.2019.135183articlePhysics Letters B, vol 801135183oai:escholarship.org:ark:/13030/qt2432x2wc2026-04-04T12:36:57Zqt2432x2wcSearch for heavy resonances decaying into a Z or W boson and a Higgs boson in final states with leptons and b-jets in 139 fb−1 of pp collisions at s = 13 TeV with the ATLAS detectorAad, GAbbott, BAbbott, DCAbeling, KAbidi, SHAboulhorma, AAbramowicz, HAbreu, HAbulaiti, YAbusleme Hoffman, ACAcharya, BSAchkar, BAdam, LAdam Bourdarios, CAdamczyk, LAdamek, LAddepalli, SVAdelman, JAdiguzel, AAdorni, SAdye, TAffolder, AAAfik, YAgaras, MNAgarwala, JAggarwal, AAgheorghiesei, CAguilar-Saavedra, JAAhmad, AAhmadov, FAhmed, WSAhuja, SAi, XAielli, GAizenberg, IAkbiyik, MÅkesson, TPAAkimov, AVAl Khoury, KAlberghi, GLAlbert, JAlbicocco, PAlconada Verzini, MJAlderweireldt, SAleksa, MAleksandrov, INAlexa, CAlexopoulos, TAlfonsi, AAlfonsi, FAlhroob, MAli, BAli, SAliev, MAlimonti, GAllaire, CAllbrooke, BMMAllport, PPAloisio, AAlonso, FAlpigiani, CAlunno Camelia, EAlvarez Estevez, MAlviggi, MGAmaral Coutinho, YAmbler, AAmelung, CAmes, CGAmidei, DAmor Dos Santos, SPAmoroso, SAmos, KRAmrouche, CSAnaniev, VAnastopoulos, CAndari, NAndeen, TAnders, JKAndrean, SYAndreazza, AAngelidakis, SAngerami, AAnisenkov, AVAnnovi, AAntel, CAnthony, MTAntipov, EAntonelli, MAntrim, DJAAnulli, FAoki, MAoki, TAparisi Pozo, JAAparo, MAAperio Bella, LAppelt, CAranzabal, NAraujo Ferraz, VArcangeletti, CArce, ATH2023-01-01This article presents a search for new resonances decaying into a Z or W boson and a 125 GeV Higgs boson h, and it targets the νν¯bb¯$$
u \overline{
u}b\overline{b} $$, ℓ+ℓ−bb¯$$ {\ell}^{+}{\ell}^{-}b\overline{b} $$, or ℓ±νbb¯$$ {\ell}^{\pm}
u b\overline{b} $$ final states, where ℓ = e or μ, in proton-proton collisions at s$$ \sqrt{s} $$ = 13 TeV. The data used correspond to a total integrated luminosity of 139 fb−1 collected by the ATLAS detector during Run 2 of the LHC at CERN. The search is conducted by examining the reconstructed invariant or transverse mass distributions of Zh or Wh candidates for evidence of a localised excess in the mass range from 220 GeV to 5 TeV. No significant excess is observed and 95% confidence-level upper limits between 1.3 pb and 0.3 fb are placed on the production cross section times branching fraction of neutral and charged spin-1 resonances and CP-odd scalar bosons. These limits are converted into constraints on the parameter space of the Heavy Vector Triplet model and the two-Higgs-doublet model.5106 Nuclear and Plasma Physics (for-2020)5107 Particle and High Energy Physics (for-2020)51 Physical Sciences (for-2020)Hadron-Hadron ScatteringBeyond the Standard Model Searches0105 Mathematical Physics (for)0202 AtomicMolecularNuclearParticle and Plasma Physics (for)0206 Quantum Physics (for)Nuclear & Particles Physics (science-metrix)4902 Mathematical physics (for-2020)5106 Nuclear and plasma physics (for-2020)5107 Particle and high energy physics (for-2020)application/pdfCC-BYeScholarship, University of Californiahttps://escholarship.org/uc/item/2432x2wchttps://escholarship.org/content/qt2432x2wc/qt2432x2wc.pdfinfo:doi/10.1007/jhep06(2023)016articleJournal of High Energy Physics, vol 2023, iss 616oai:escholarship.org:ark:/13030/qt0kk9m9v82026-04-04T12:35:22Zqt0kk9m9v8Measurements of the Higgs boson inclusive and differential fiducial cross-sections in the diphoton decay channel with pp collisions at s = 13 TeV with the ATLAS detectorAad, GAbbott, BAbbott, DCAbed Abud, AAbeling, KAbhayasinghe, DKAbidi, SHAboulhorma, AAbramowicz, HAbreu, HAbulaiti, YAbusleme Hoffman, ACAcharya, BSAchkar, BAdam, LAdam Bourdarios, CAdamczyk, LAdamek, LAddepalli, SVAdelman, JAdiguzel, AAdorni, SAdye, TAffolder, AAAfik, YAgapopoulou, CAgaras, MNAgarwala, JAggarwal, AAgheorghiesei, CAguilar-Saavedra, JAAhmad, AAhmadov, FAhmed, WSAi, XAielli, GAizenberg, IAkatsuka, SAkbiyik, MÅkesson, TPAAkimov, AVAl Khoury, KAlberghi, GLAlbert, JAlbicocco, PAlconada Verzini, MJAlderweireldt, SAleksa, MAleksandrov, INAlexa, CAlexopoulos, TAlfonsi, AAlfonsi, FAlhroob, MAli, BAli, SAliev, MAlimonti, GAllaire, CAllbrooke, BMMAllport, PPAloisio, AAlonso, FAlpigiani, CAlunno Camelia, EAlvarez Estevez, MAlviggi, MGAmaral Coutinho, YAmbler, AAmbroz, LAmelung, CAmidei, DAmor Dos Santos, SPAmoroso, SAmos, KRAmrouche, CSAnaniev, VAnastopoulos, CAndari, NAndeen, TAnders, JKAndrean, SYAndreazza, AAngelidakis, SAngerami, AAnisenkov, AVAnnovi, AAntel, CAnthony, MTAntipov, EAntonelli, MAntrim, DJAAnulli, FAoki, MAparisi Pozo, JAAparo, MAAperio Bella, LAranzabal, NAraujo Ferraz, VArcangeletti, C2022-01-01A measurement of inclusive and differential fiducial cross-sections for the production of the Higgs boson decaying into two photons is performed using 139 fb−1 of proton-proton collision data recorded at s$$ \sqrt{s} $$ = 13 TeV by the ATLAS experiment at the Large Hadron Collider. The inclusive cross-section times branching ratio, in a fiducial region closely matching the experimental selection, is measured to be 67 ± 6 fb, which is in agreement with the state-of-the-art Standard Model prediction of 64 ± 4 fb. Extrapolating this result to the full phase space and correcting for the branching ratio, the total cross-section for Higgs boson production is estimated to be 58 ± 6 pb. In addition, the cross-sections in four fiducial regions sensitive to various Higgs boson production modes and differential cross-sections as a function of either one or two of several observables are measured. All the measurements are found to be in agreement with the Standard Model predictions. The measured transverse momentum distribution of the Higgs boson is used as an indirect probe of the Yukawa coupling of the Higgs boson to the bottom and charm quarks. In addition, five differential cross-section measurements are used to constrain anomalous Higgs boson couplings to vector bosons in the Standard Model effective field theory framework.5106 Nuclear and Plasma Physics (for-2020)5107 Particle and High Energy Physics (for-2020)51 Physical Sciences (for-2020)Hadron-Hadron ScatteringHiggs Physics0105 Mathematical Physics (for)0202 AtomicMolecularNuclearParticle and Plasma Physics (for)0206 Quantum Physics (for)Nuclear & Particles Physics (science-metrix)4902 Mathematical physics (for-2020)5106 Nuclear and plasma physics (for-2020)5107 Particle and high energy physics (for-2020)application/pdfCC-BYeScholarship, University of Californiahttps://escholarship.org/uc/item/0kk9m9v8https://escholarship.org/content/qt0kk9m9v8/qt0kk9m9v8.pdfinfo:doi/10.1007/jhep08(2022)027articleJournal of High Energy Physics, vol 2022, iss 827oai:escholarship.org:ark:/13030/qt2vv7c2xx2026-04-04T12:34:47Zqt2vv7c2xxSearch for neutral long-lived particles in pp collisions at s = 13 TeV that decay into displaced hadronic jets in the ATLAS calorimeterAad, GAbbott, BAbbott, DCAbed Abud, AAbeling, KAbhayasinghe, DKAbidi, SHAboulhorma, AAbramowicz, HAbreu, HAbulaiti, YAbusleme Hoffman, ACAcharya, BSAchkar, BAdam, LAdam Bourdarios, CAdamczyk, LAdamek, LAddepalli, SVAdelman, JAdiguzel, AAdorni, SAdye, TAffolder, AAAfik, YAgaras, MNAgarwala, JAggarwal, AAgheorghiesei, CAguilar-Saavedra, JAAhmad, AAhmadov, FAhmed, WSAi, XAielli, GAizenberg, IAkbiyik, MÅkesson, TPAAkimov, AVAl Khoury, KAlberghi, GLAlbert, JAlbicocco, PAlconada Verzini, MJAlderweireldt, SAleksa, MAleksandrov, INAlexa, CAlexopoulos, TAlfonsi, AAlfonsi, FAlhroob, MAli, BAli, SAliev, MAlimonti, GAllaire, CAllbrooke, BMMAllport, PPAloisio, AAlonso, FAlpigiani, CAlunno Camelia, EAlvarez Estevez, MAlviggi, MGAmaral Coutinho, YAmbler, AAmbroz, LAmelung, CAmidei, DAmor Dos Santos, SPAmoroso, SAmos, KRAmrouche, CSAnaniev, VAnastopoulos, CAndari, NAndeen, TAnders, JKAndrean, SYAndreazza, AAngelidakis, SAngerami, AAnisenkov, AVAnnovi, AAntel, CAnthony, MTAntipov, EAntonelli, MAntrim, DJAAnulli, FAoki, MAparisi Pozo, JAAparo, MAAperio Bella, LAppelt, CAranzabal, NAraujo Ferraz, VArcangeletti, CArce, ATH2022-01-01A search for decays of pair-produced neutral long-lived particles (LLPs) is presented using 139 fb−1 of proton-proton collision data collected by the ATLAS detector at the LHC in 2015–2018 at a centre-of-mass energy of 13 TeV. Dedicated techniques were developed for the reconstruction of displaced jets produced by LLPs decaying hadronically in the ATLAS hadronic calorimeter. Two search regions are defined for different LLP kinematic regimes. The observed numbers of events are consistent with the expected background, and limits for several benchmark signals are determined. For a SM Higgs boson with a mass of 125 GeV, branching ratios above 10% are excluded at 95% confidence level for values of c times LLP mean proper lifetime in the range between 20 mm and 10 m depending on the model. Upper limits are also set on the cross-section times branching ratio for scalars with a mass of 60 GeV and for masses between 200 GeV and 1 TeV.5106 Nuclear and Plasma Physics (for-2020)5107 Particle and High Energy Physics (for-2020)51 Physical Sciences (for-2020)Hadron-Hadron Scattering0105 Mathematical Physics (for)0202 AtomicMolecularNuclearParticle and Plasma Physics (for)0206 Quantum Physics (for)Nuclear & Particles Physics (science-metrix)4902 Mathematical physics (for-2020)5106 Nuclear and plasma physics (for-2020)5107 Particle and high energy physics (for-2020)application/pdfpubliceScholarship, University of Californiahttps://escholarship.org/uc/item/2vv7c2xxhttps://escholarship.org/content/qt2vv7c2xx/qt2vv7c2xx.pdfinfo:doi/10.1007/jhep06(2022)005articleJournal of High Energy Physics, vol 2022, iss 65oai:escholarship.org:ark:/13030/qt8x88n45v2026-04-04T12:30:27Zqt8x88n45vMeasurement of the associated production of a Higgs boson decaying into b-quarks with a vector boson at high transverse momentum in pp collisions at s = 13 TeV with the ATLAS detectorAad, GAbbott, BAbbott, DCAbud, A AbedAbeling, KAbhayasinghe, DKAbidi, SHAbouZeid, OSAbraham, NLAbramowicz, HAbreu, HAbulaiti, YAcharya, BSAchkar, BAdam, LBourdarios, C AdamAdamczyk, LAdamek, LAdelman, JAdersberger, MAdiguzel, AAdorni, SAdye, TAffolder, AAAfik, YAgapopoulou, CAgaras, MNAggarwal, AAgheorghiesei, CAguilar-Saavedra, JAAhmad, AAhmadov, FAhmed, WSAi, XAielli, GAkatsuka, SAkbiyik, MÅkesson, TPAAkilli, EAkimov, AVAl Khoury, KAlberghi, GLAlbert, JVerzini, MJ AlconadaAlderweireldt, SAleksa, MAleksandrov, INAlexa, CAlexopoulos, TAlfonsi, AAlfonsi, FAlhroob, MAli, BAli, SAliev, MAlimonti, GAllaire, CAllbrooke, BMMAllen, BWAllport, PPAloisio, AAlonso, FAlpigiani, CCamelia, E AlunnoEstevez, M AlvarezAlviggi, MGCoutinho, Y AmaralAmbler, AAmbroz, LAmelung, CAmidei, DDos Santos, SP AmorAmoroso, SAmrouche, CSAn, FAnastopoulos, CAndari, NAndeen, TAnders, JKAndrean, SYAndreazza, AAndrei, VAnelli, CRAngelidakis, SAngerami, AAnisenkov, AVAnnovi, AAntel, CAnthony, MTAntipov, EAntonelli, MAntrim, DJAAnulli, FAoki, MPozo, JA AparisiAparo, MABella, L AperioAranzabal, NFerraz, V AraujoPereira, R Araujo2021-05-01The associated production of a Higgs boson with a W or Z boson decaying into leptons and where the Higgs boson decays to a b b ¯ pair is measured in the high vector-boson transverse momentum regime, above 250 GeV, with the ATLAS detector. The analysed data, corresponding to an integrated luminosity of 139 fb − 1 , were collected in proton–proton collisions at the Large Hadron Collider between 2015 and 2018 at a centre-of-mass energy of s = 13 TeV . The measured signal strength, defined as the ratio of the measured signal yield to that predicted by the Standard Model, is 0.72 − 0.36 + 0.39 corresponding to an observed (expected) significance of 2.1 (2.7) standard deviations. Cross-sections of associated production of a Higgs boson decaying into b quark pairs with a W or Z gauge boson, decaying into leptons, are measured in two exclusive vector boson transverse momentum regions, 250–400 GeV and above 400 GeV, and interpreted as constraints on anomalous couplings in the framework of a Standard Model effective field theory.5106 Nuclear and Plasma Physics (for-2020)5107 Particle and High Energy Physics (for-2020)51 Physical Sciences (for-2020)hep-exhep-ex0105 Mathematical Physics (for)0201 Astronomical and Space Sciences (for)0202 AtomicMolecularNuclearParticle and Plasma Physics (for)Nuclear & Particles Physics (science-metrix)49 Mathematical sciences (for-2020)51 Physical sciences (for-2020)application/pdfpubliceScholarship, University of Californiahttps://escholarship.org/uc/item/8x88n45vhttps://escholarship.org/content/qt8x88n45v/qt8x88n45v.pdfinfo:doi/10.1016/j.physletb.2021.136204articlePhysics Letters B, vol 816136204oai:escholarship.org:ark:/13030/qt4f98g1f82026-04-04T12:29:01Zqt4f98g1f8Measurement of the t t ¯ production cross-section in the lepton+jets channel at s = 13 TeV with the ATLAS experimentAad, GAbbott, BAbbott, DCAbud, A AbedAbeling, KAbhayasinghe, DKAbidi, SHAbouZeid, OSAbraham, NLAbramowicz, HAbreu, HAbulaiti, YAcharya, BSAchkar, BAdam, LBourdarios, C AdamAdamczyk, LAdamek, LAdelman, JAdersberger, MAdiguzel, AAdorni, SAdye, TAffolder, AAAfik, YAgapopoulou, CAgaras, MNAggarwal, AAgheorghiesei, CAguilar-Saavedra, JAAhmad, AAhmadov, FAhmed, WSAi, XAielli, GAkatsuka, SAkbiyik, MÅkesson, TPAAkilli, EAkimov, AVAl Khoury, KAlberghi, GLAlbert, JVerzini, MJ AlconadaAlderweireldt, SAleksa, MAleksandrov, INAlexa, CAlexopoulos, TAlfonsi, AAlfonsi, FAlhroob, MAli, BAli, SAliev, MAlimonti, GAllaire, CAllbrooke, BMMAllen, BWAllport, PPAloisio, AAlonso, FAlpigiani, CCamelia, E AlunnoEstevez, M AlvarezAlviggi, MGCoutinho, Y AmaralAmbler, AAmbroz, LAmelung, CAmidei, DDos Santos, SP AmorAmoroso, SAmrouche, CSAn, FAnastopoulos, CAndari, NAndeen, TAnders, JKAndrean, SYAndreazza, AAndrei, VAnelli, CRAngelidakis, SAngerami, AAnisenkov, AVAnnovi, AAntel, CAnthony, MTAntipov, EAntonelli, MAntrim, DJAAnulli, FAoki, MPozo, JA AparisiAparo, MABella, L AperioBarrio, N AranzabalFerraz, V AraujoPereira, R Araujo2020-11-01The top anti-top quark production cross-section is measured in the lepton+jets channel using proton–proton collision data at a centre-of-mass energy of s = 13 TeV collected with the ATLAS detector at the LHC. The dataset corresponds to an integrated luminosity of 139 fb−1. Events with exactly one charged lepton and four or more jets in the final state, with at least one jet containing b-hadrons, are used to determine the t t ¯ production cross-section through a profile-likelihood fit. The inclusive cross-section is measured to be σ inc = 830 ± 0.4 (stat.) ± 36 (syst.) ± 14 (lumi.) pb with a relative uncertainty of 4.6%. The result is consistent with theoretical calculations at next-to-next-to-leading order in perturbative QCD. The fiducial t t ¯ cross-section within the experimental acceptance is also measured.5106 Nuclear and Plasma Physics (for-2020)5107 Particle and High Energy Physics (for-2020)4902 Mathematical Physics (for-2020)49 Mathematical Sciences (for-2020)51 Physical Sciences (for-2020)hep-exhep-ex0105 Mathematical Physics (for)0201 Astronomical and Space Sciences (for)0202 AtomicMolecularNuclearParticle and Plasma Physics (for)Nuclear & Particles Physics (science-metrix)49 Mathematical sciences (for-2020)51 Physical sciences (for-2020)application/pdfpubliceScholarship, University of Californiahttps://escholarship.org/uc/item/4f98g1f8https://escholarship.org/content/qt4f98g1f8/qt4f98g1f8.pdfinfo:doi/10.1016/j.physletb.2020.135797articlePhysics Letters B, vol 810135797oai:escholarship.org:ark:/13030/qt8b50t5g42026-04-04T12:28:34Zqt8b50t5g4A search for the Zγ decay mode of the Higgs boson in pp collisions at s = 13 TeV with the ATLAS detectorAad, GAbbott, BAbbott, DCAbud, A AbedAbeling, KAbhayasinghe, DKAbidi, SHAbouZeid, OSAbraham, NLAbramowicz, HAbreu, HAbulaiti, YAcharya, BSAchkar, BAdam, LBourdarios, C AdamAdamczyk, LAdamek, LAdelman, JAdersberger, MAdiguzel, AAdorni, SAdye, TAffolder, AAAfik, YAgapopoulou, CAgaras, MNAggarwal, AAgheorghiesei, CAguilar-Saavedra, JAAhmad, AAhmadov, FAhmed, WSAi, XAielli, GAkatsuka, SAkbiyik, MÅkesson, TPAAkilli, EAkimov, AVAl Khoury, KAlberghi, GLAlbert, JVerzini, MJ AlconadaAlderweireldt, SAleksa, MAleksandrov, INAlexa, CAlexopoulos, TAlfonsi, AAlfonsi, FAlhroob, MAli, BAli, SAliev, MAlimonti, GAllaire, CAllbrooke, BMMAllen, BWAllport, PPAloisio, AAlonso, FAlpigiani, CCamelia, E AlunnoEstevez, M AlvarezAlviggi, MGCoutinho, Y AmaralAmbler, AAmbroz, LAmelung, CAmidei, DDos Santos, SP AmorAmoroso, SAmrouche, CSAn, FAnastopoulos, CAndari, NAndeen, TAnders, JKAndrean, SYAndreazza, AAndrei, VAnelli, CRAngelidakis, SAngerami, AAnisenkov, AVAnnovi, AAntel, CAnthony, MTAntipov, EAntonelli, MAntrim, DJAAnulli, FAoki, MPozo, JA AparisiAparo, MABella, L AperioBarrio, N AranzabalFerraz, V AraujoPereira, R Araujo2020-10-01A search for the Zγ decay of the Higgs boson, with Z boson decays into pairs of electrons or muons is presented. The analysis uses proton–proton collision data at s = 13 TeV corresponding to an integrated luminosity of 139 fb−1 recorded by the ATLAS detector at the Large Hadron Collider. The observed data are consistent with the expected background with a p-value of 1.3%. An upper limit at 95% confidence level on the production cross-section times the branching ratio for p p → H → Z γ is set at 3.6 times the Standard Model prediction while 2.6 times is expected in the presence of the Standard Model Higgs boson. The best-fit value for the signal yield normalised to the Standard Model prediction is 2.0 − 0.9 + 1.0 where the statistical component of the uncertainty is dominant.5106 Nuclear and Plasma Physics (for-2020)5107 Particle and High Energy Physics (for-2020)51 Physical Sciences (for-2020)hep-exhep-ex0105 Mathematical Physics (for)0201 Astronomical and Space Sciences (for)0202 AtomicMolecularNuclearParticle and Plasma Physics (for)Nuclear & Particles Physics (science-metrix)49 Mathematical sciences (for-2020)51 Physical sciences (for-2020)application/pdfpubliceScholarship, University of Californiahttps://escholarship.org/uc/item/8b50t5g4https://escholarship.org/content/qt8b50t5g4/qt8b50t5g4.pdfinfo:doi/10.1016/j.physletb.2020.135754articlePhysics Letters B, vol 809135754oai:escholarship.org:ark:/13030/qt52c307wq2026-04-04T12:27:07Zqt52c307wqPerformance of the ATLAS muon triggers in Run 2Aad, GAbbott, BAbbott, DCAbud, A AbedAbeling, KAbhayasinghe, DKAbidi, SHAbouZeid, OSAbraham, NLAbramowicz, HAbreu, HAbulaiti, YAcharya, BSAchkar, BAdam, LBourdarios, C AdamAdamczyk, LAdamek, LAdelman, JAdersberger, MAdiguzel, AAdorni, SAdye, TAffolder, AAAfik, YAgapopoulou, CAgaras, MNAggarwal, AAgheorghiesei, CAguilar-Saavedra, JAAhmad, AAhmadov, FAhmed, WSAi, XAielli, GAkatsuka, SÅkesson, TPAAkilli, EAkimov, AVAl Khoury, KAlberghi, GLAlbert, JVerzini, MJ AlconadaAlderweireldt, SAleksa, MAleksandrov, INAlexa, CAlexopoulos, TAlfonsi, AAlfonsi, FAlhroob, MAli, BAli, SAliev, MAlimonti, GAllaire, CAllbrooke, BMMAllen, BWAllport, PPAloisio, AAlonso, FAlpigiani, CAlshehri, AACamelia, E AlunnoEstevez, M AlvarezAlviggi, MGCoutinho, Y AmaralAmbler, AAmbroz, LAmelung, CAmidei, DDos Santos, SP AmorAmoroso, SAmrouche, CSAn, FAnastopoulos, CAndari, NAndeen, TAnders, CFAnders, JKAndrean, SYAndreazza, AAndrei, VAnelli, CRAngelidakis, SAngerami, AAnisenkov, AVAnnovi, AAntel, CAnthony, MTAntipov, EAntonelli, MAntrim, DJAAnulli, FAoki, MPozo, JA AparisiAparo, MABella, L AperioFerraz, V AraujoPereira, R Araujo2020-09-01The performance of the ATLAS muon trigger system is evaluated with proton-proton (pp) and heavy-ion (HI) collision data collected in Run 2 during 2015–2018 at the Large Hadron Collider. It is primarily evaluated using events containing a pair of muons from the decay of Z bosons to cover the intermediate momentum range between 26 GeV and 100 GeV. Overall, the efficiency of the single-muon triggers is about 68% in the barrel region and 85% in the endcap region. The pT range for efficiency determination is extended by using muons from decays of Jψ mesons, W bosons, and top quarks. The performance in HI collision data is measured and shows good agreement with the results obtained in pp collisions. The muon trigger shows uniform and stable performance in good agreement with the prediction of a detailed simulation. Dedicated multi-muon triggers with kinematic selections provide the backbone to beauty, quarkonia, and low-mass physics studies. The design, evolution and performance of these triggers are discussed in detail.5106 Nuclear and Plasma Physics (for-2020)5107 Particle and High Energy Physics (for-2020)51 Physical Sciences (for-2020)Data acquisition conceptsData processing methodsOnline farms and online filteringTrigger concepts and systems (hardware and software)physics.ins-detphysics.ins-dethep-ex02 Physical Sciences (for)09 Engineering (for)Nuclear & Particles Physics (science-metrix)40 Engineering (for-2020)51 Physical sciences (for-2020)application/pdfpubliceScholarship, University of Californiahttps://escholarship.org/uc/item/52c307wqhttps://escholarship.org/content/qt52c307wq/qt52c307wq.pdfinfo:doi/10.1088/1748-0221/15/09/p09015articleJournal of Instrumentation, vol 15, iss 09p09015 - p09015oai:escholarship.org:ark:/13030/qt7r47j9fz2026-04-04T12:26:45Zqt7r47j9fzObservation of the associated production of a top quark and a Z boson in pp collisions at s= 13 TeV with the ATLAS detectorAad, GAbbott, BAbbott, DCAbed Abud, AAbeling, KAbhayasinghe, DKAbidi, SHAbouZeid, OSAbraham, NLAbramowicz, HAbreu, HAbulaiti, YAcharya, BSAchkar, BAdachi, SAdam, LAdam Bourdarios, CAdamczyk, LAdamek, LAdelman, JAdersberger, MAdiguzel, AAdorni, SAdye, TAffolder, AAAfik, YAgapopoulou, CAgaras, MNAggarwal, AAgheorghiesei, CAguilar-Saavedra, JAAhmadov, FAhmed, WSAi, XAielli, GAkatsuka, SÅkesson, TPAAkilli, EAkimov, AVAl Khoury, KAlberghi, GLAlbert, JAlconada Verzini, MJAlderweireldt, SAleksa, MAleksandrov, INAlexa, CAlexopoulos, TAlfonsi, AAlfonsi, FAlhroob, MAli, BAliev, MAlimonti, GAllaire, CAllbrooke, BMMAllen, BWAllport, PPAloisio, AAlonso, FAlpigiani, CAlshehri, AAAlunno Camelia, EAlvarez Estevez, MAlviggi, MGAmaral Coutinho, YAmbler, AAmbroz, LAmelung, CAmidei, DAmor Dos Santos, SPAmoroso, SAmrouche, CSAn, FAnastopoulos, CAndari, NAndeen, TAnders, CFAnders, JKAndreazza, AAndrei, VAnelli, CRAngelidakis, SAngerami, AAnisenkov, AVAnnovi, AAntel, CAnthony, MTAntipov, EAntonelli, MAntrim, DJAAnulli, FAoki, MAparisi Pozo, JAAperio Bella, LAraque, JPAraujo Ferraz, VAraujo Pereira, RArcangeletti, CArce, ATH2020-07-01Single top-quark production in association with a Z boson, where the Z boson decays to a pair of charged leptons, is measured in the trilepton channel. The proton-proton collision data collected by the ATLAS experiment from 2015 to 2018 at a centre-of-mass energy of 13 TeV are used, corresponding to an integrated luminosity of 139 fb−1. Events containing three isolated charged leptons (electrons or muons) and two or three jets, one of which is identified as containing a b-hadron, are selected. The main backgrounds are from tt¯Z$$ t\overline{t}Z $$ and diboson production. Neural networks are used to improve the background rejection and extract the signal. The measured cross-section for tℓ+ℓ−q production, including non-resonant dilepton pairs with mℓ+ℓ−$$ {m}_{{\mathrm{\ell}}^{+}{\mathrm{\ell}}^{-}} $$> 30 GeV, is 97 ± 13 (stat.) ± 7 (syst.) fb, consistent with the Standard Model prediction.5106 Nuclear and Plasma Physics (for-2020)5107 Particle and High Energy Physics (for-2020)51 Physical Sciences (for-2020)Hadron-Hadron scattering (experiments)hep-exhep-ex0105 Mathematical Physics (for)0202 AtomicMolecularNuclearParticle and Plasma Physics (for)0206 Quantum Physics (for)Nuclear & Particles Physics (science-metrix)4902 Mathematical physics (for-2020)5106 Nuclear and plasma physics (for-2020)5107 Particle and high energy physics (for-2020)application/pdfpubliceScholarship, University of Californiahttps://escholarship.org/uc/item/7r47j9fzhttps://escholarship.org/content/qt7r47j9fz/qt7r47j9fz.pdfinfo:doi/10.1007/jhep07(2020)124articleJournal of High Energy Physics, vol 2020, iss 7124oai:escholarship.org:ark:/13030/qt7656t39j2026-04-04T12:26:35Zqt7656t39jTest of CP invariance in vector-boson fusion production of the Higgs boson in the H → ττ channel in proton–proton collisions at s = 13 TeV with the ATLAS detectorAad, GAbbott, BAbbott, DCAbud, A AbedAbeling, KAbhayasinghe, DKAbidi, SHAbouZeid, OSAbraham, NLAbramowicz, HAbreu, HAbulaiti, YAcharya, BSAchkar, BAdachi, SAdam, LBourdarios, C AdamAdamczyk, LAdamek, LAdelman, JAdersberger, MAdiguzel, AAdorni, SAdye, TAffolder, AAAfik, YAgapopoulou, CAgaras, MNAggarwal, AAgheorghiesei, CAguilar-Saavedra, JAAhmadov, FAhmed, WSAi, XAielli, GAkatsuka, SÅkesson, TPAAkilli, EAkimov, AVAl Khoury, KAlberghi, GLAlbert, JVerzini, MJ AlconadaAlderweireldt, SAleksa, MAleksandrov, INAlexa, CAlexopoulos, TAlfonsi, AAlfonsi, FAlhroob, MAli, BAliev, MAlimonti, GAllaire, CAllbrooke, BMMAllen, BWAllport, PPAloisio, AAlonso, FAlpigiani, CAlshehri, AACamelia, E AlunnoEstevez, M AlvarezAlviggi, MGCoutinho, Y AmaralAmbler, AAmbroz, LAmelung, CAmidei, DDos Santos, SP AmorAmoroso, SAmrouche, CSAn, FAnastopoulos, CAndari, NAndeen, TAnders, CFAnders, JKAndreazza, AAndrei, VAnelli, CRAngelidakis, SAngerami, AAnisenkov, AVAnnovi, AAntel, CAnthony, MTAntipov, EAntonelli, MAntrim, DJAAnulli, FAoki, MPozo, JA AparisiBella, L AperioAraque, JPFerraz, V AraujoPereira, R AraujoArcangeletti, CArce, ATH2020-06-01A test of CP invariance in Higgs boson production via vector-boson fusion is performed in the H → τ τ decay channel. This test uses the Optimal Observable method and is carried out using 36.1 fb − 1 of s = 13 TeV proton–proton collision data collected by the ATLAS experiment at the LHC. Contributions from CP-violating interactions between the Higgs boson and electroweak gauge bosons are described by an effective field theory, in which the parameter d ˜ governs the strength of CP violation. No sign of CP violation is observed in the distributions of the Optimal Observable, and d ˜ is constrained to the interval [−0.090, 0.035] at the 68% confidence level (CL), compared to an expected interval of d ˜ ∈ [ − 0.035 , 0.033 ] based upon the Standard Model prediction. No constraints can be set on d ˜ at 95% CL, while an expected 95% CL interval of d ˜ ∈ [ − 0.21 , 0.15 ] for the Standard Model hypothesis was expected.5106 Nuclear and Plasma Physics (for-2020)5107 Particle and High Energy Physics (for-2020)51 Physical Sciences (for-2020)hep-exhep-ex0105 Mathematical Physics (for)0201 Astronomical and Space Sciences (for)0202 AtomicMolecularNuclearParticle and Plasma Physics (for)Nuclear & Particles Physics (science-metrix)49 Mathematical sciences (for-2020)51 Physical sciences (for-2020)application/pdfpubliceScholarship, University of Californiahttps://escholarship.org/uc/item/7656t39jhttps://escholarship.org/content/qt7656t39j/qt7656t39j.pdfinfo:doi/10.1016/j.physletb.2020.135426articlePhysics Letters B, vol 805135426oai:escholarship.org:ark:/13030/qt5qg0r2mb2026-04-04T12:24:41Zqt5qg0r2mbATLAS data quality operations and performance for 2015–2018 data-takingAad, GAbbott, BAbbott, DCAbud, A AbedAbeling, KAbhayasinghe, DKAbidi, SHAbouZeid, OSAbraham, NLAbramowicz, HAbreu, HAbulaiti, YAcharya, BSAchkar, BAdachi, SAdam, LBourdarios, C AdamAdamczyk, LAdamek, LAdelman, JAdersberger, MAdiguzel, AAdorni, SAdye, TAffolder, AAAfik, YAgapopoulou, CAgaras, MNAggarwal, AAgheorghiesei, CAguilar-Saavedra, JAAhmadov, FAhmed, WSAi, XAielli, GAkatsuka, SÅkesson, TPAAkilli, EAkimov, AVAl Khoury, KAlberghi, GLAlbert, JVerzini, MJ AlconadaAlderweireldt, SAleksa, MAleksandrov, INAlexa, CAlexopoulos, TAlfonsi, AAlfonsi, FAlhroob, MAli, BAliev, MAlimonti, GAlkire, SPAllaire, CAllbrooke, BMMAllen, BWAllport, PPAloisio, AAlonso, FAlpigiani, CAlshehri, AAEstevez, M AlvarezAlviggi, MGCoutinho, Y AmaralAmbler, AAmbroz, LAmelung, CAmidei, DDos Santos, SP AmorAmoroso, SAmrouche, CSAn, FAnastopoulos, CAndari, NAndeen, TAnders, CFAnders, JKAndreazza, AAndrei, VAnelli, CRAngelidakis, SAngerami, AAnisenkov, AVAnnovi, AAntel, CAnthony, MTAntipov, EAntonelli, MAntrim, DJAAnulli, FAoki, MPozo, JA AparisiBella, L AperioAraque, JPFerraz, V AraujoPereira, R AraujoArcangeletti, CArce, ATH2020-04-01The ATLAS detector at the Large Hadron Collider reads out particle collision data from over 100 million electronic channels at a rate of approximately 100 kHz, with a recording rate for physics events of approximately 1 kHz. Before being certified for physics analysis at computer centres worldwide, the data must be scrutinised to ensure they are clean from any hardware or software related issues that may compromise their integrity. Prompt identification of these issues permits fast action to investigate, correct and potentially prevent future such problems that could render the data unusable. This is achieved through the monitoring of detector-level quantities and reconstructed collision event characteristics at key stages of the data processing chain. This paper presents the monitoring and assessment procedures in place at ATLAS during 2015–2018 data-taking. Through the continuous improvement of operational procedures, ATLAS achieved a high data quality efficiency, with 95.6% of the recorded proton-proton collision data collected at √s=13 TeV certified for physics analysis.5106 Nuclear and Plasma Physics (for-2020)51 Physical Sciences (for-2020)Large detector systems for particle and astroparticle physicsLarge detector-systems performancephysics.ins-detphysics.ins-dethep-ex02 Physical Sciences (for)09 Engineering (for)Nuclear & Particles Physics (science-metrix)40 Engineering (for-2020)51 Physical sciences (for-2020)application/pdfpubliceScholarship, University of Californiahttps://escholarship.org/uc/item/5qg0r2mbhttps://escholarship.org/content/qt5qg0r2mb/qt5qg0r2mb.pdfinfo:doi/10.1088/1748-0221/15/04/p04003articleJournal of Instrumentation, vol 15, iss 04p04003 - p04003oai:escholarship.org:ark:/13030/qt9nr542792026-04-04T12:24:31Zqt9nr54279Measurement of differential cross sections for single diffractive dissociation in s = 8 TeV pp collisions using the ATLAS ALFA spectrometerAad, GAbbott, BAbbott, DCAbdinov, OAbed Abud, AAbeling, KAbhayasinghe, DKAbidi, SHAbouZeid, OSAbraham, NLAbramowicz, HAbreu, HAbulaiti, YAcharya, BSAchkar, BAdachi, SAdam, LAdam Bourdarios, CAdamczyk, LAdamek, LAdelman, JAdersberger, MAdiguzel, AAdorni, SAdye, TAffolder, AAAfik, YAgapopoulou, CAgaras, MNAggarwal, AAgheorghiesei, CAguilar-Saavedra, JAAhmadov, FAhmed, WSAi, XAielli, GAkatsuka, SÅkesson, TPAAkilli, EAkimov, AVAl Khoury, KAlberghi, GLAlbert, JAlconada Verzini, MJAlderweireldt, SAleksa, MAleksandrov, INAlexa, CAlexandre, DAlexopoulos, TAlfonsi, AAlhroob, MAli, BAlimonti, GAlison, JAlkire, SPAllaire, CAllbrooke, BMMAllen, BWAllport, PPAloisio, AAlonso, AAlonso, FAlpigiani, CAlshehri, AAAlvarez Estevez, MÁlvarez Piqueras, DAlviggi, MGAmaral Coutinho, YAmbler, AAmbroz, LAmelung, CAmidei, DAmor Dos Santos, SPAmoroso, SAmrouche, CSAn, FAnastopoulos, CAndari, NAndeen, TAnders, CFAnders, JKAndreazza, AAndrei, VAnelli, CRAngelidakis, SAngerami, AAnisenkov, AVAnnovi, AAntel, CAnthony, MTAntonelli, MAntrim, DJAAnulli, FAoki, MAparisi Pozo, JAAperio Bella, LArabidze, GAraque, JPAraujo Ferraz, V2020-02-01A dedicated sample of Large Hadron Collider proton-proton collision data at centre-of-mass energy s$$ \sqrt{s} $$ = 8 TeV is used to study inclusive single diffractive dissociation, pp → X p. The intact final-state proton is reconstructed in the ATLAS ALFA forward spectrometer, while charged particles from the dissociated system X are measured in the central detector components. The fiducial range of the measurement is −4.0 < log10ξ < −1.6 and 0.016 < |t| < 0.43 GeV2, where ξ is the proton fractional energy loss and t is the squared four-momentum transfer. The total cross section integrated across the fiducial range is 1.59 ± 0.13 mb. Cross sections are also measured differentially as functions of ξ, t, and ∆η, a variable that characterises the rapidity gap separating the proton and the system X . The data are consistent with an exponential t dependence, dσ/dt ∝ eBt with slope parameter B = 7.65 ± 0.34 GeV−2. Interpreted in the framework of triple Regge phenomenology, the ξ dependence leads to a pomeron intercept of α(0) = 1.07 ± 0.09.5106 Nuclear and Plasma Physics (for-2020)5107 Particle and High Energy Physics (for-2020)51 Physical Sciences (for-2020)DiffractionForward physicsHadron-Hadron scattering (experiments)QCDhep-exhep-ex0105 Mathematical Physics (for)0202 AtomicMolecularNuclearParticle and Plasma Physics (for)0206 Quantum Physics (for)Nuclear & Particles Physics (science-metrix)4902 Mathematical physics (for-2020)5106 Nuclear and plasma physics (for-2020)5107 Particle and high energy physics (for-2020)application/pdfpubliceScholarship, University of Californiahttps://escholarship.org/uc/item/9nr54279https://escholarship.org/content/qt9nr54279/qt9nr54279.pdfinfo:doi/10.1007/jhep02(2020)042articleJournal of High Energy Physics, vol 2020, iss 242oai:escholarship.org:ark:/13030/qt49r1z6vc2026-04-04T12:24:11Zqt49r1z6vcEvidence for electroweak production of two jets in association with a Zγ pair in pp collisions at s = 13 TeV with the ATLAS detectorAad, GAbbott, BAbbott, DCAbud, A AbedAbeling, KAbhayasinghe, DKAbidi, SHAbouZeid, OSAbraham, NLAbramowicz, HAbreu, HAbulaiti, YAcharya, BSAchkar, BAdachi, SAdam, LBourdarios, C AdamAdamczyk, LAdamek, LAdelman, JAdersberger, MAdiguzel, AAdorni, SAdye, TAffolder, AAAfik, YAgapopoulou, CAgaras, MNAggarwal, AAgheorghiesei, CAguilar-Saavedra, JAAhmadov, FAhmed, WSAi, XAielli, GAkatsuka, SÅkesson, TPAAkilli, EAkimov, AVAl Khoury, KAlberghi, GLAlbert, JVerzini, MJ AlconadaAlderweireldt, SAleksa, MAleksandrov, INAlexa, CAlexopoulos, TAlfonsi, AAlfonsi, FAlhroob, MAli, BAliev, MAlimonti, GAlkire, SPAllaire, CAllbrooke, BMMAllen, BWAllport, PPAloisio, AAlonso, AAlonso, FAlpigiani, CAlshehri, AAEstevez, M AlvarezPiqueras, D ÁlvarezAlviggi, MGCoutinho, Y AmaralAmbler, AAmbroz, LAmelung, CAmidei, DDos Santos, SP AmorAmoroso, SAmrouche, CSAn, FAnastopoulos, CAndari, NAndeen, TAnders, CFAnders, JKAndreazza, AAndrei, VAnelli, CRAngelidakis, SAngerami, AAnisenkov, AVAnnovi, AAntel, CAnthony, MTAntipov, EAntonelli, MAntrim, DJAAnulli, FAoki, MPozo, JA AparisiBella, L AperioAraque, JPFerraz, V AraujoPereira, R Araujo2020-04-01Evidence for electroweak production of two jets in association with a Zγ pair in s = 13 TeV proton–proton collisions at the Large Hadron Collider is presented. The analysis uses data collected by the ATLAS detector in 2015 and 2016 that corresponds to an integrated luminosity of 36.1 fb − 1 . Events that contain a Z boson candidate decaying leptonically into either e + e − or μ + μ − , a photon, and two jets are selected. The electroweak component is measured with observed and expected significances of 4.1 standard deviations. The fiducial cross-section for electroweak production is measured to be σ Z γ j j − EW = 7.8 ± 2.0 fb , in good agreement with the Standard Model prediction.5106 Nuclear and Plasma Physics (for-2020)5107 Particle and High Energy Physics (for-2020)51 Physical Sciences (for-2020)hep-exhep-ex0105 Mathematical Physics (for)0201 Astronomical and Space Sciences (for)0202 AtomicMolecularNuclearParticle and Plasma Physics (for)Nuclear & Particles Physics (science-metrix)49 Mathematical sciences (for-2020)51 Physical sciences (for-2020)application/pdfpubliceScholarship, University of Californiahttps://escholarship.org/uc/item/49r1z6vchttps://escholarship.org/content/qt49r1z6vc/qt49r1z6vc.pdfinfo:doi/10.1016/j.physletb.2020.135341articlePhysics Letters B, vol 803135341oai:escholarship.org:ark:/13030/qt8023d7b02026-04-04T12:23:40Zqt8023d7b0Search for non-resonant Higgs boson pair production in the bbℓνℓν final state with the ATLAS detector in pp collisions at s = 13 TeVAad, GAbbott, BAbbott, DCAbud, A AbedAbeling, KAbhayasinghe, DKAbidi, SHAbouZeid, OSAbraham, NLAbramowicz, HAbreu, HAbulaiti, YAcharya, BSAchkar, BAdachi, SAdam, LBourdarios, C AdamAdamczyk, LAdamek, LAdelman, JAdersberger, MAdiguzel, AAdorni, SAdye, TAffolder, AAAfik, YAgapopoulou, CAgaras, MNAggarwal, AAgheorghiesei, CAguilar-Saavedra, JAAhmadov, FAhmed, WSAi, XAielli, GAkatsuka, SÅkesson, TPAAkilli, EAkimov, AVAl Khoury, KAlberghi, GLAlbert, JVerzini, MJ AlconadaAlderweireldt, SAleksa, MAleksandrov, INAlexa, CAlexandre, DAlexopoulos, TAlfonsi, AAlfonsi, FAlhroob, MAli, BAlimonti, GAlison, JAlkire, SPAllaire, CAllbrooke, BMMAllen, BWAllport, PPAloisio, AAlonso, AAlonso, FAlpigiani, CAlshehri, AAEstevez, M AlvarezPiqueras, D ÁlvarezAlviggi, MGCoutinho, Y AmaralAmbler, AAmbroz, LAmelung, CAmidei, DDos Santos, SP AmorAmoroso, SAmrouche, CSAn, FAnastopoulos, CAndari, NAndeen, TAnders, CFAnders, JKAndreazza, AAndrei, VAnelli, CRAngelidakis, SAngerami, AAnisenkov, AVAnnovi, AAntel, CAnthony, MTAntonelli, MAntrim, DJAAnulli, FAoki, MPozo, JA AparisiBella, L AperioArabidze, GAraque, JPFerraz, V Araujo2020-02-01A search for non-resonant Higgs boson pair production, as predicted by the Standard Model, is presented, where one of the Higgs bosons decays via the H → b b channel and the other via one of the H → W W ⁎ / Z Z ⁎ / τ τ channels. The analysis selection requires events to have at least two b-tagged jets and exactly two leptons (electrons or muons) with opposite electric charge in the final state. Candidate events consistent with Higgs boson pair production are selected using a multi-class neural network discriminant. The analysis uses 139 fb−1 of pp collision data recorded at a centre-of-mass energy of 13 TeV by the ATLAS detector at the Large Hadron Collider. An observed (expected) upper limit of 1.2 ( 0.9 − 0.3 + 0.4 ) pb is set on the non-resonant Higgs boson pair production cross-section at 95% confidence level, which is equivalent to 40 ( 29 − 9 + 14 ) times the value predicted in the Standard Model.5106 Nuclear and Plasma Physics (for-2020)5107 Particle and High Energy Physics (for-2020)51 Physical Sciences (for-2020)hep-exhep-ex0105 Mathematical Physics (for)0201 Astronomical and Space Sciences (for)0202 AtomicMolecularNuclearParticle and Plasma Physics (for)Nuclear & Particles Physics (science-metrix)49 Mathematical sciences (for-2020)51 Physical sciences (for-2020)application/pdfpubliceScholarship, University of Californiahttps://escholarship.org/uc/item/8023d7b0https://escholarship.org/content/qt8023d7b0/qt8023d7b0.pdfinfo:doi/10.1016/j.physletb.2019.135145articlePhysics Letters B, vol 801135145oai:escholarship.org:ark:/13030/qt2473x0n52026-04-04T12:22:02Zqt2473x0n5Electron and photon performance measurements with the ATLAS detector using the 2015–2017 LHC proton-proton collision dataAad, GAbbott, BAbbott, DCAbud, A AbedAbeling, KAbhayasinghe, DKAbidi, SHAbouZeid, OSAbraham, NLAbramowicz, HAbreu, HAbulaiti, YAcharya, BSAchkar, BAdachi, SAdam, LBourdarios, C AdamAdamczyk, LAdamek, LAdelman, JAdersberger, MAdiguzel, AAdorni, SAdye, TAffolder, AAAfik, YAgapopoulou, CAgaras, MNAggarwal, AAgheorghiesei, CAguilar-Saavedra, JAAhmadov, FAhmed, WSAi, XAielli, GAkatsuka, SÅkesson, TPAAkilli, EAkimov, AVAl Khoury, KAlberghi, GLAlbert, JVerzini, MJ AlconadaAlderweireldt, SAleksa, MAleksandrov, INAlexa, CAlexandre, DAlexopoulos, TAlfonsi, AAlfonsi, FAlhroob, MAli, BAlimonti, GAlison, JAlkire, SPAllaire, CAllbrooke, BMMAllen, BWAllport, PPAloisio, AAlonso, AAlonso, FAlpigiani, CAlshehri, AAEstevez, M AlvarezPiqueras, D ÁlvarezAlviggi, MGCoutinho, Y AmaralAmbler, AAmbroz, LAmelung, CAmidei, DDos Santos, SP AmorAmoroso, SAmrouche, CSAn, FAnastopoulos, CAndari, NAndeen, TAnders, CFAnders, JKAndreazza, AAndrei, VAnelli, CRAngelidakis, SAngerami, AAnisenkov, AVAnnovi, AAntel, CAnthony, MTAntonelli, MAntrim, DJAAnulli, FAoki, MPozo, JA AparisiBella, L AperioArabidze, GAraque, JPFerraz, V Araujo2019-12-01This paper describes the reconstruction of electrons and photons with the ATLAS detector, employed for measurements and searches exploiting the complete LHC Run 2 dataset. An improved energy clustering algorithm is introduced, and its implications for the measurement and identification of prompt electrons and photons are discussed in detail. Corrections and calibrations that affect performance, including energy calibration, identification and isolation efficiencies, and the measurement of the charge of reconstructed electron candidates are determined using up to 81 fb−1 of proton-proton collision data collected at √s=13 TeV between 2015 and 2017.5106 Nuclear and Plasma Physics (for-2020)5107 Particle and High Energy Physics (for-2020)51 Physical Sciences (for-2020)Bioengineering (rcdc)Particle identification methodsPerformance of High Energy Physics Detectorshep-exhep-ex02 Physical Sciences (for)09 Engineering (for)Nuclear & Particles Physics (science-metrix)40 Engineering (for-2020)51 Physical sciences (for-2020)application/pdfpubliceScholarship, University of Californiahttps://escholarship.org/uc/item/2473x0n5https://escholarship.org/content/qt2473x0n5/qt2473x0n5.pdfinfo:doi/10.1088/1748-0221/14/12/p12006articleJournal of Instrumentation, vol 14, iss 12p12006 - p12006oai:escholarship.org:ark:/13030/qt0g31k8b42026-04-04T12:21:48Zqt0g31k8b4Search for displaced vertices of oppositely charged leptons from decays of long-lived particles in pp collisions at s = 13 TeV with the ATLAS detectorAad, GAbbott, BAbbott, DCAbud, A AbedAbeling, KAbhayasinghe, DKAbidi, SHAbouZeid, OSAbraham, NLAbramowicz, HAbreu, HAbulaiti, YAcharya, BSAchkar, BAdachi, SAdam, LBourdarios, C AdamAdamczyk, LAdamek, LAdelman, JAdersberger, MAdiguzel, AAdorni, SAdye, TAffolder, AAAfik, YAgapopoulou, CAgaras, MNAggarwal, AAgheorghiesei, CAguilar-Saavedra, JAAhmadov, FAhmed, WSAi, XAielli, GAkatsuka, SÅkesson, TPAAkilli, EAkimov, AVAl Khoury, KAlberghi, GLAlbert, JVerzini, MJ AlconadaAlderweireldt, SAleksa, MAleksandrov, INAlexa, CAlexandre, DAlexopoulos, TAlfonsi, AAlhroob, MAli, BAlimonti, GAlison, JAlkire, SPAllaire, CAllbrooke, BMMAllen, BWAllport, PPAloisio, AAlonso, AAlonso, FAlpigiani, CAlshehri, AAEstevez, M AlvarezPiqueras, D ÁlvarezAlviggi, MGCoutinho, Y AmaralAmbler, AAmbroz, LAmelung, CAmidei, DDos Santos, SP AmorAmoroso, SAmrouche, CSAn, FAnastopoulos, CAndari, NAndeen, TAnders, CFAnders, JKAndreazza, AAndrei, VAnelli, CRAngelidakis, SAngerami, AAnisenkov, AVAnnovi, AAntel, CAnthony, MTAntonelli, MAntrim, DJAAnulli, FAoki, MPozo, JA AparisiBella, L AperioArabidze, GAraque, JPFerraz, V AraujoPereira, R Araujo2020-02-01A search for long-lived particles decaying into an oppositely charged lepton pair, μμ, ee, or eμ, is presented using 32.8 fb − 1 of pp collision data collected at s = 13 TeV by the ATLAS detector at the LHC. Candidate leptons are required to form a vertex, within the inner tracking volume of ATLAS, displaced from the primary pp interaction region. No lepton pairs with an invariant mass greater than 12 GeV are observed, consistent with the background expectations derived from data. The detection efficiencies for generic resonances with lifetimes (cτ) of 100–1000 mm decaying into a dilepton pair with masses between 0.1–1.0 TeV are presented as a function of p T and decay radius of the resonances to allow the extraction of upper limits on the cross sections for theoretical models. The result is also interpreted in a supersymmetric model in which the lightest neutralino, produced via squark–antisquark production, decays into ℓ + ℓ ′ − ν ( ℓ , ℓ ′ = e , μ) with a finite lifetime due to the presence of R-parity violating couplings. Cross-section limits are presented for specific squark and neutralino masses. For a 700 GeV squark, neutralinos with masses of 50–500 GeV and mean proper lifetimes corresponding to cτ values between 1 mm to 6 m are excluded. For a 1.6 TeV squark, cτ values between 3 mm to 1 m are excluded for 1.3 TeV neutralinos.5106 Nuclear and Plasma Physics (for-2020)5107 Particle and High Energy Physics (for-2020)51 Physical Sciences (for-2020)hep-exhep-ex0105 Mathematical Physics (for)0201 Astronomical and Space Sciences (for)0202 AtomicMolecularNuclearParticle and Plasma Physics (for)Nuclear & Particles Physics (science-metrix)49 Mathematical sciences (for-2020)51 Physical sciences (for-2020)application/pdfpubliceScholarship, University of Californiahttps://escholarship.org/uc/item/0g31k8b4https://escholarship.org/content/qt0g31k8b4/qt0g31k8b4.pdfinfo:doi/10.1016/j.physletb.2019.135114articlePhysics Letters B, vol 801135114oai:escholarship.org:ark:/13030/qt6v04g5602026-04-04T12:21:05Zqt6v04g560Combination of searches for Higgs boson pairs in pp collisions at s = 13 TeV with the ATLAS detectorAad, GAbbott, BAbbott, DCAbud, A AbedAbeling, KAbhayasinghe, DKAbidi, SHAbouZeid, OSAbraham, NLAbramowicz, HAbreu, HAbulaiti, YAcharya, BSAchkar, BAdachi, SAdam, LBourdarios, C AdamAdamczyk, LAdamek, LAdelman, JAdersberger, MAdiguzel, AAdorni, SAdye, TAffolder, AAAfik, YAgapopoulou, CAgaras, MNAggarwal, AAgheorghiesei, CAguilar-Saavedra, JAAhmadov, FAhmed, WSAi, XAielli, GAkatsuka, SÅkesson, TPAAkilli, EAkimov, AVAl Khoury, KAlberghi, GLAlbert, JVerzini, MJ AlconadaAlderweireldt, SAleksa, MAleksandrov, INAlexa, CAlexandre, DAlexopoulos, TAlfonsi, AAlhroob, MAli, BAlimonti, GAlison, JAlkire, SPAllaire, CAllbrooke, BMMAllen, BWAllport, PPAloisio, AAlonso, AAlonso, FAlpigiani, CAlshehri, AAEstevez, M AlvarezPiqueras, D ÁlvarezAlviggi, MGCoutinho, Y AmaralAmbler, AAmbroz, LAmelung, CAmidei, DDos Santos, SP AmorAmoroso, SAmrouche, CSAn, FAnastopoulos, CAndari, NAndeen, TAnders, CFAnders, JKAndreazza, AAndrei, VAnelli, CRAngelidakis, SAngerami, AAnisenkov, AVAnnovi, AAntel, CAnthony, MTAntonelli, MAntrim, DJAAnulli, FAoki, MPozo, JA AparisiBella, L AperioArabidze, GAraque, JPFerraz, V AraujoPereira, R Araujo2020-01-01This letter presents a combination of searches for Higgs boson pair production using up to 36.1 fb − 1 of proton–proton collision data at a centre-of-mass energy s = 13 TeV recorded with the ATLAS detector at the LHC. The combination is performed using six analyses searching for Higgs boson pairs decaying into the b b ¯ b b ¯ , b b ¯ W + W − , b b ¯ τ + τ − , W + W − W + W − , b b ¯ γ γ and W + W − γ γ final states. Results are presented for non-resonant and resonant Higgs boson pair production modes. No statistically significant excess in data above the Standard Model predictions is found. The combined observed (expected) limit at 95% confidence level on the non-resonant Higgs boson pair production cross-section is 6.9 (10) times the predicted Standard Model cross-section. Limits are also set on the ratio ( κ λ ) of the Higgs boson self-coupling to its Standard Model value. This ratio is constrained at 95% confidence level in observation (expectation) to − 5.0 < κ λ < 12.0 ( − 5.8 < κ λ < 12.0 ). In addition, limits are set on the production of narrow scalar resonances and spin-2 Kaluza–Klein Randall–Sundrum gravitons. Exclusion regions are also provided in the parameter space of the habemus Minimal Supersymmetric Standard Model and the Electroweak Singlet Model.5106 Nuclear and Plasma Physics (for-2020)5107 Particle and High Energy Physics (for-2020)51 Physical Sciences (for-2020)hep-exhep-ex0105 Mathematical Physics (for)0201 Astronomical and Space Sciences (for)0202 AtomicMolecularNuclearParticle and Plasma Physics (for)Nuclear & Particles Physics (science-metrix)49 Mathematical sciences (for-2020)51 Physical sciences (for-2020)application/pdfpubliceScholarship, University of Californiahttps://escholarship.org/uc/item/6v04g560https://escholarship.org/content/qt6v04g560/qt6v04g560.pdfinfo:doi/10.1016/j.physletb.2019.135103articlePhysics Letters B, vol 800135103oai:escholarship.org:ark:/13030/qt882693r42026-04-04T12:19:13Zqt882693r4Measurement of ZZ production in the ℓℓνν final state with the ATLAS detector in pp collisions at s = 13 TeVAaboud, MAad, GAbbott, BAbbott, DCAbdinov, OAbed Abud, AAbhayasinghe, DKAbidi, SHAbouZeid, OSAbraham, NLAbramowicz, HAbreu, HAbulaiti, YAcharya, BSAdachi, SAdam, LAdam Bourdarios, CAdamczyk, LAdamek, LAdelman, JAdersberger, MAdiguzel, AAdorni, SAdye, TAffolder, AAAfik, YAgapopoulou, CAgaras, MNAggarwal, AAgheorghiesei, CAguilar-Saavedra, JAAhmadov, FAi, XAielli, GAkatsuka, SÅkesson, TPAAkilli, EAkimov, AVAl Khoury, KAlberghi, GLAlbert, JAlconada Verzini, MJAlderweireldt, SAleksa, MAleksandrov, INAlexa, CAlexandre, DAlexopoulos, TAlfonsi, AAlhroob, MAli, BAlimonti, GAlison, JAlkire, SPAllaire, CAllbrooke, BMMAllen, BWAllport, PPAloisio, AAlonso, AAlonso, FAlpigiani, CAlshehri, AAAlstaty, MIAlvarez Estevez, MAlvarez Gonzalez, BÁlvarez Piqueras, DAlviggi, MGAmaral Coutinho, YAmbler, AAmbroz, LAmelung, CAmidei, DAmor Dos Santos, SPAmoroso, SAmrouche, CSAn, FAnastopoulos, CAndari, NAndeen, TAnders, CFAnders, JKAndreazza, AAndrei, VAnelli, CRAngelidakis, SAngelozzi, IAngerami, AAnisenkov, AVAnnovi, AAntel, CAnthony, MTAntonelli, MAntrim, DJAAnulli, FAoki, MAparisi Pozo, JAAperio Bella, LArabidze, GAraque, JP2019-10-01This paper presents a measurement of ZZ production with the ATLAS detector at the Large Hadron Collider. The measurement is carried out in the final state with two charged leptons and two neutrinos, using data collected during 2015 and 2016 in pp collisions at s$$ \sqrt{s} $$ = 13 TeV, corresponding to an integrated luminosity of 36.1 fb−1. The integrated cross-sections in the total and fiducial phase spaces are measured with an uncertainty of 7% and compared with Standard Model predictions, and differential measurements in the fiducial phase space are reported. No significant deviations from the Standard Model predictions are observed, and stringent constraints are placed on anomalous couplings corresponding to neutral triple gauge-boson interactions.5106 Nuclear and Plasma Physics (for-2020)5107 Particle and High Energy Physics (for-2020)51 Physical Sciences (for-2020)Hadron-Hadron scattering (experiments)hep-exhep-ex0105 Mathematical Physics (for)0202 AtomicMolecularNuclearParticle and Plasma Physics (for)0206 Quantum Physics (for)Nuclear & Particles Physics (science-metrix)4902 Mathematical physics (for-2020)5106 Nuclear and plasma physics (for-2020)5107 Particle and high energy physics (for-2020)application/pdfpubliceScholarship, University of Californiahttps://escholarship.org/uc/item/882693r4https://escholarship.org/content/qt882693r4/qt882693r4.pdfinfo:doi/10.1007/jhep10(2019)127articleJournal of High Energy Physics, vol 2019, iss 10127oai:escholarship.org:ark:/13030/qt8tt2q59s2026-04-04T12:17:20Zqt8tt2q59sDijet azimuthal correlations and conditional yields in pp and p+Pb collisions at sNN=5.02TeV with the ATLAS detectorAaboud, MAad, GAbbott, BAbbott, DCAbdinov, OAbeloos, BAbhayasinghe, DKAbidi, SHAbouZeid, OSAbraham, NLAbramowicz, HAbreu, HAbulaiti, YAcharya, BSAdachi, SAdam, LAdamczyk, LAdamek, LAdelman, JAdersberger, MAdiguzel, AAdye, TAffolder, AAAfik, YAgapopoulou, CAgheorghiesei, CAguilar-Saavedra, JAAhmadov, FAielli, GAkatsuka, SÅkesson, TPAAkilli, EAkimov, AVAlberghi, GLAlbert, JVerzini, MJ AlconadaAlderweireldt, SAleksa, MAleksandrov, INAlexa, CAlexandre, DAlexopoulos, TAlhroob, MAli, BAlimonti, GAlison, JAlkire, SPAllaire, CAllbrooke, BMMAllen, BWAllport, PPAloisio, AAlonso, AAlonso, FAlpigiani, CAlshehri, AAAlstaty, MIGonzalez, B AlvarezPiqueras, D ÁlvarezAlviggi, MGCoutinho, Y AmaralAmbler, AAmbroz, LAmelung, CAmidei, DDos Santos, SP AmorAmoroso, SAmrouche, CSAn, FAnastopoulos, CAndari, NAndeen, TAnders, CFAnders, JKAndreazza, AAndrei, VAnelli, CRAngelidakis, SAngelozzi, IAngerami, AAnisenkov, AVAnnovi, AAntel, CAnthony, MTAntonelli, MAntrim, DJAAnulli, FAoki, MPozo, JA AparisiBella, L AperioArabidze, GAraque, JPFerraz, V AraujoPereira, R AraujoArce, ATHArduh, FAArguin, J-FArgyropoulos, SArling, J-HArmbruster, AJ2019-09-01This paper presents a measurement of forward-forward and forward-central dijet azimuthal angular correlations and conditional yields in proton-proton (pp) and proton-lead (p+Pb) collisions as a probe of the nuclear gluon density in regions where the fraction of the average momentum per nucleon carried by the parton entering the hard scattering is low. In these regions, gluon saturation can modify the rapidly increasing parton distribution function of the gluon. The analysis utilizes 25pb-1 of pp data and 360μb-1 of p+Pb data, both at sNN=5.02 TeV, collected in 2015 and 2016, respectively, with the ATLAS detector at the Large Hadron Collider. The measurement is performed in the center-of-mass frame of the nucleon-nucleon system in the rapidity range between -4.0 and 4.0 using the two highest transverse-momentum jets in each event, with the highest transverse-momentum jet restricted to the forward rapidity range. No significant broadening of azimuthal angular correlations is observed for forward-forward or forward-central dijets in p+Pb compared to pp collisions. For forward-forward jet pairs in the proton-going direction, the ratio of conditional yields in p+Pb collisions to those in pp collisions is suppressed by approximately 20%, with no significant dependence on the transverse momentum of the dijet system. No modification of conditional yields is observed for forward-central dijets.5106 Nuclear and Plasma Physics (for-2020)5107 Particle and High Energy Physics (for-2020)51 Physical Sciences (for-2020)nucl-exnucl-exhep-ex5106 Nuclear and plasma physics (for-2020)publiceScholarship, University of Californiahttps://escholarship.org/uc/item/8tt2q59sinfo:doi/10.1103/physrevc.100.034903articlePhysical Review C, vol 100, iss 3034903oai:escholarship.org:ark:/13030/qt02f7q0ks2026-04-04T12:17:09Zqt02f7q0ksMeasurement of the tt¯Z and tt¯W cross sections in proton-proton collisions at s=13 TeV with the ATLAS detectorAaboud, MAad, GAbbott, BAbbott, DCAbdinov, OAbeloos, BAbhayasinghe, DKAbidi, SHAbouZeid, OSAbraham, NLAbramowicz, HAbreu, HAbulaiti, YAcharya, BSAdachi, SAdam, LAdamczyk, LAdamek, LAdelman, JAdersberger, MAdiguzel, AAdye, TAffolder, AAAfik, YAgheorghiesei, CAguilar-Saavedra, JAAhmadov, FAielli, GAkatsuka, SÅkesson, TPAAkilli, EAkimov, AVAlberghi, GLAlbert, JAlbicocco, PVerzini, MJ AlconadaAlderweireldt, SAleksa, MAleksandrov, INAlexa, CAlexandre, DAlexopoulos, TAlhroob, MAli, BAlimonti, GAlison, JAlkire, SPAllaire, CAllbrooke, BMMAllen, BWAllport, PPAloisio, AAlonso, AAlonso, FAlpigiani, CAlshehri, AAAlstaty, MIGonzalez, B AlvarezPiqueras, D ÁlvarezAlviggi, MGAmadio, BTCoutinho, Y AmaralAmbler, AAmbroz, LAmelung, CAmidei, DDos Santos, SP AmorAmoroso, SAmrouche, CSAn, FAnastopoulos, CAncu, LSAndari, NAndeen, TAnders, CFAnders, JKAnderson, KJAndreazza, AAndrei, VAnelli, CRAngelidakis, SAngelozzi, IAngerami, AAnisenkov, AVAnnovi, AAntel, CAnthony, MTAntonelli, MAntrim, DJAAnulli, FAoki, MPozo, JA AparisiBella, L AperioArabidze, GAraque, JPFerraz, V AraujoPereira, R AraujoArce, ATHArdell, REArduh, FA2019-04-01A measurement of the associated production of a top-quark pair (tt) with a vector boson (W, Z) in proton-proton collisions at a center-of-mass energy of 13 TeV is presented, using 36.1 fb-1 of integrated luminosity collected by the ATLAS detector at the Large Hadron Collider. Events are selected in channels with two same- or opposite-sign leptons (electrons or muons), three leptons or four leptons, and each channel is further divided into multiple regions to maximize the sensitivity of the measurement. The ttZ and ttW production cross sections are simultaneously measured using a combined fit to all regions. The best-fit values of the production cross sections are σttZ=0.95±0.08stat±0.10syst pb and σttW=0.87±0.13stat±0.14syst pb in agreement with the Standard Model predictions. The measurement of the ttZ cross section is used to set constraints on effective field theory operators which modify the ttZ vertex.5106 Nuclear and Plasma Physics (for-2020)5107 Particle and High Energy Physics (for-2020)51 Physical Sciences (for-2020)hep-exhep-expubliceScholarship, University of Californiahttps://escholarship.org/uc/item/02f7q0ksinfo:doi/10.1103/physrevd.99.072009articlePhysical Review D, vol 99, iss 7072009oai:escholarship.org:ark:/13030/qt0x81r16z2026-04-04T12:16:10Zqt0x81r16zElectron and photon energy calibration with the ATLAS detector using 2015–2016 LHC proton-proton collision dataAaboud, MAad, GAbbott, BAbbott, DCAbdinov, OAbeloos, BAbhayasinghe, DKAbidi, SHAbouZeid, OSAbraham, NLAbramowicz, HAbreu, HAbulaiti, YAcharya, BSAdachi, SAdam, LAdamczyk, LAdamek, LAdelman, JAdersberger, MAdiguzel, AAdye, TAffolder, AAAfik, YAgheorghiesei, CAguilar-Saavedra, JAAhmadov, FAielli, GAkatsuka, SÅkesson, TPAAkilli, EAkimov, AVAlberghi, GLAlbert, JAlbicocco, PVerzini, MJ AlconadaAlderweireldt, SAleksa, MAleksandrov, INAlexa, CAlexandre, DAlexopoulos, TAlhroob, MAli, BAlimonti, GAlison, JAlkire, SPAllaire, CAllbrooke, BMMAllen, BWAllport, PPAloisio, AAlonso, AAlonso, FAlpigiani, CAlshehri, AAAlstaty, MIGonzalez, B AlvarezPiqueras, D ÁlvarezAlviggi, MGAmadio, BTCoutinho, Y AmaralAmbler, AAmbroz, LAmelung, CAmidei, DDos Santos, SP AmorAmoroso, SAmrouche, CSAn, FAnastopoulos, CAncu, LSAndari, NAndeen, TAnders, CFAnders, JKAnderson, KJAndreazza, AAndrei, VAnelli, CRAngelidakis, SAngelozzi, IAngerami, AAnisenkov, AVAnnovi, AAntel, CAnthony, MTAntonelli, MAntrim, DJAAnulli, FAoki, MPozo, JA AparisiBella, L AperioArabidze, GAraque, JPFerraz, V AraujoPereira, R AraujoArce, ATHArdell, REArduh, FA2019-03-01This paper presents the electron and photon energy calibration obtained with the ATLAS detector using about 36 fb−1 of LHC proton-proton collision data recorded at √s=13 TeV in 2015 and 2016. The different calibration steps applied to the data and the optimization of the reconstruction of electron and photon energies are discussed. The absolute energy scale is set using a large sample of Z boson decays into electron-positron pairs. The systematic uncertainty in the energy scale calibration varies between 0.03% to 0.2% in most of the detector acceptance for electrons with transverse momentum close to 45 GeV . For electrons with transverse momentum of 10 GeV the typical uncertainty is 0.3% to 0.8% and it varies between 0.25% and 1% for photons with transverse momentum around 60 GeV . Validations of the energy calibration with J/ψ → e+e− decays and radiative Z boson decays are also presented.5106 Nuclear and Plasma Physics (for-2020)5107 Particle and High Energy Physics (for-2020)51 Physical Sciences (for-2020)Calorimeter methodsPattern recognitioncluster findingcalibration and fitting methodsPerformance of High Energy Physics Detectorshep-exhep-ex02 Physical Sciences (for)09 Engineering (for)Nuclear & Particles Physics (science-metrix)40 Engineering (for-2020)51 Physical sciences (for-2020)application/pdfpubliceScholarship, University of Californiahttps://escholarship.org/uc/item/0x81r16zhttps://escholarship.org/content/qt0x81r16z/qt0x81r16z.pdfinfo:doi/10.1088/1748-0221/14/03/p03017articleJournal of Instrumentation, vol 14, iss 03p03017 - p03017oai:escholarship.org:ark:/13030/qt14n5w9n12026-04-04T12:13:46Zqt14n5w9n1Search for long-lived particles produced in pp collisions at s=13 TeV that decay into displaced hadronic jets in the ATLAS muon spectrometerAaboud, MAad, GAbbott, BAbdinov, OAbeloos, BAbhayasinghe, DKAbidi, SHAbouZeid, OSAbraham, NLAbramowicz, HAbreu, HAbulaiti, YAcharya, BSAdachi, SAdamczyk, LAdelman, JAdersberger, MAdiguzel, AAdye, TAffolder, AAAfik, YAgheorghiesei, CAguilar-Saavedra, JAAhmadov, FAielli, GAkatsuka, SÅkesson, TPAAkilli, EAkimov, AVAlberghi, GLAlbert, JAlbicocco, PVerzini, MJ AlconadaAlderweireldt, SAleksa, MAleksandrov, INAlexa, CAlexopoulos, TAlhroob, MAli, BAlimonti, GAlison, JAlkire, SPAllaire, CAllbrooke, BMMAllen, BWAllport, PPAloisio, AAlonso, AAlonso, FAlpigiani, CAlshehri, AAAlstaty, MIGonzalez, B AlvarezPiqueras, D ÁlvarezAlviggi, MGAmadio, BTCoutinho, Y AmaralAmbroz, LAmelung, CAmidei, DDos Santos, SP AmorAmoroso, SAmrouche, CSAnastopoulos, CAncu, LSAndari, NAndeen, TAnders, CFAnders, JKAnderson, KJAndreazza, AAndrei, VAnelli, CRAngelidakis, SAngelozzi, IAngerami, AAnisenkov, AVAnnovi, AAntel, CAnthony, MTAntonelli, MAntrim, DJAAnulli, FAoki, MPozo, JA AparisiBella, L AperioArabidze, GAraque, JPFerraz, V AraujoPereira, R AraujoArce, ATHArdell, REArduh, FAArguin, J-FArgyropoulos, SArmbruster, AJArmitage, LJArmstrong, AArnaez, O2019-03-01A search for the decay of neutral, weakly interacting, long-lived particles using data collected by the ATLAS detector at the LHC is presented. The analysis in this paper uses 36.1 fb-1 of proton-proton collision data at s=13 TeV recorded in 2015-2016. The search employs techniques for reconstructing vertices of long-lived particles decaying into jets in the muon spectrometer exploiting a two-vertex strategy and a novel technique that requires only one vertex in association with additional activity in the detector that improves the sensitivity for longer lifetimes. The observed numbers of events are consistent with the expected background and limits for several benchmark signals are determined.5106 Nuclear and Plasma Physics (for-2020)5107 Particle and High Energy Physics (for-2020)51 Physical Sciences (for-2020)hep-exhep-expubliceScholarship, University of Californiahttps://escholarship.org/uc/item/14n5w9n1info:doi/10.1103/physrevd.99.052005articlePhysical Review D, vol 99, iss 5052005oai:escholarship.org:ark:/13030/qt3s29v8z62026-04-04T12:13:16Zqt3s29v8z6Measurement of photon–jet transverse momentum correlations in 5.02 TeV Pb + Pb and pp collisions with ATLASCollaboration, The ATLASAaboud, MAad, GAbbott, BAbdinov, OAbeloos, BAbhayasinghe, DKAbidi, SHAbouZeid, OSAbraham, NLAbramowicz, HAbreu, HAbulaiti, YAcharya, BSAdachi, SAdamczyk, LAdelman, JAdersberger, MAdiguzel, AAdye, TAffolder, AAAfik, YAgheorghiesei, CAguilar-Saavedra, JAAhmadov, FAielli, GAkatsuka, SÅkesson, TPAAkilli, EAkimov, AVAlberghi, GLAlbert, JAlbicocco, PVerzini, MJ AlconadaAlderweireldt, SAleksa, MAleksandrov, INAlexa, CAlexopoulos, TAlhroob, MAli, BAlimonti, GAlison, JAlkire, SPAllaire, CAllbrooke, BMMAllen, BWAllport, PPAloisio, AAlonso, AAlonso, FAlpigiani, CAlshehri, AAAlstaty, MIGonzalez, B AlvarezPiqueras, D ÁlvarezAlviggi, MGAmadio, BTCoutinho, Y AmaralAmbroz, LAmelung, CAmidei, DDos Santos, SP AmorAmoroso, SAmrouche, CSAnastopoulos, CAncu, LSAndari, NAndeen, TAnders, CFAnders, JKAnderson, KJAndreazza, AAndrei, VAnelli, CRAngelidakis, SAngelozzi, IAngerami, AAnisenkov, AVAnnovi, AAntel, CAnthony, MTAntonelli, MAntrim, DJAAnulli, FAoki, MPozo, JA AparisiBella, L AperioArabidze, GAraque, JPFerraz, V AraujoPereira, R AraujoArce, ATHArdell, REArduh, FAArguin, J-FArgyropoulos, SArmbruster, AJArmitage, LJArmstrong, A2019-02-01Jets created in association with a photon can be used as a calibrated probe to study energy loss in the medium created in nuclear collisions. Measurements of the transverse momentum balance between isolated photons and inclusive jets are presented using integrated luminosities of 0.49 nb−1 of Pb + Pb collision data at s NN = 5.02 TeV and 25 pb−1 of pp collision data at s = 5.02 TeV recorded with the ATLAS detector at the LHC. Photons with transverse momentum 63.1 < p T γ < 200 GeV and | η γ | < 2.37 are paired with all jets in the event that have p T jet > 31.6 GeV and pseudorapidity | η jet | < 2.8 . The transverse momentum balance given by the jet-to-photon p T ratio, x J γ , is measured for pairs with azimuthal opening angle Δ ϕ > 7 π / 8 . Distributions of the per-photon jet yield as a function of x J γ , ( 1 / N γ ) ( d N / d x J γ ) , are corrected for detector effects via a two-dimensional unfolding procedure and reported at the particle level. In pp collisions, the distributions are well described by Monte Carlo event generators. In Pb + Pb collisions, the x J γ distribution is modified from that observed in pp collisions with increasing centrality, consistent with the picture of parton energy loss in the hot nuclear medium. The data are compared with a suite of energy-loss models and calculations.5106 Nuclear and Plasma Physics (for-2020)5107 Particle and High Energy Physics (for-2020)51 Physical Sciences (for-2020)nucl-exnucl-exhep-ex0105 Mathematical Physics (for)0201 Astronomical and Space Sciences (for)0202 AtomicMolecularNuclearParticle and Plasma Physics (for)Nuclear & Particles Physics (science-metrix)49 Mathematical sciences (for-2020)51 Physical sciences (for-2020)application/pdfCC-BYeScholarship, University of Californiahttps://escholarship.org/uc/item/3s29v8z6https://escholarship.org/content/qt3s29v8z6/qt3s29v8z6.pdfinfo:doi/10.1016/j.physletb.2018.12.023articlePhysics Letters B, vol 789167 - 190oai:escholarship.org:ark:/13030/qt1h47g4tt2026-04-04T12:13:01Zqt1h47g4ttSearch for pairs of highly collimated photon-jets in pp collisions at s=13 TeV with the ATLAS detectorAaboud, MAad, GAbbott, BAbdinov, OAbeloos, BAbhayasinghe, DKAbidi, SHAbouZeid, OSAbraham, NLAbramowicz, HAbreu, HAbulaiti, YAcharya, BSAdachi, SAdamczyk, LAdelman, JAdersberger, MAdiguzel, AAdye, TAffolder, AAAfik, YAgheorghiesei, CAguilar-Saavedra, JAAhmadov, FAielli, GAkatsuka, SÅkesson, TPAAkilli, EAkimov, AVAlberghi, GLAlbert, JAlbicocco, PVerzini, MJ AlconadaAlderweireldt, SAleksa, MAleksandrov, INAlexa, CAlexander, GAlexopoulos, TAlhroob, MAli, BAlimonti, GAlison, JAlkire, SPAllaire, CAllbrooke, BMMAllen, BWAllport, PPAloisio, AAlonso, AAlonso, FAlpigiani, CAlshehri, AAAlstaty, MIGonzalez, B AlvarezPiqueras, D ÁlvarezAlviggi, MGAmadio, BTCoutinho, Y AmaralAmbroz, LAmelung, CAmidei, DDos Santos, SP AmorAmoroso, SAmrouche, CSAnastopoulos, CAncu, LSAndari, NAndeen, TAnders, CFAnders, JKAnderson, KJAndreazza, AAndrei, VAnelli, CRAngelidakis, SAngelozzi, IAngerami, AAnisenkov, AVAnnovi, AAntel, CAnthony, MTAntonelli, MAntrim, DJAAnulli, FAoki, MBella, L AperioArabidze, GArai, YAraque, JPFerraz, V AraujoPereira, R AraujoArce, ATHArdell, REArduh, FAArguin, J-FArgyropoulos, SArmbruster, AJArmitage, LJArmstrong, A2019-01-01Results of a search for the pair production of photon-jets - collimated groupings of photons - in the ATLAS detector at the Large Hadron Collider are reported. Highly collimated photon-jets can arise from the decay of new, highly boosted particles that can decay to multiple photons collimated enough to be identified in the electromagnetic calorimeter as a single, photonlike energy cluster. Data from proton-proton collisions at a center-of-mass energy of 13 TeV, corresponding to an integrated luminosity of 36.7 fb-1, were collected in 2015 and 2016. Candidate photon-jet pair production events are selected from those containing two reconstructed photons using a set of identification criteria much less stringent than that typically used for the selection of photons, with additional criteria applied to provide improved sensitivity to photon-jets. Narrow excesses in the reconstructed diphoton mass spectra are searched for. The observed mass spectra are consistent with the Standard Model background expectation. The results are interpreted in the context of a model containing a new, high-mass scalar particle with narrow width, X, that decays into pairs of photon-jets via new, light particles, a. Upper limits are placed on the cross section times the product of branching ratios σ×B(X→aa)×B(a→γγ)2 for 200 GeV5106 Nuclear and Plasma Physics (for-2020)5107 Particle and High Energy Physics (for-2020)51 Physical Sciences (for-2020)hep-exhep-expubliceScholarship, University of Californiahttps://escholarship.org/uc/item/1h47g4ttinfo:doi/10.1103/physrevd.99.012008articlePhysical Review D, vol 99, iss 1012008oai:escholarship.org:ark:/13030/qt077852jv2026-04-04T12:12:51Zqt077852jvSearch for squarks and gluinos in final states with hadronically decaying τ-leptons, jets, and missing transverse momentum using pp collisions at s=13 TeV with the ATLAS detectorAaboud, MAad, GAbbott, BAbdinov, OAbeloos, BAbhayasinghe, DKAbidi, SHAbouZeid, OSAbraham, NLAbramowicz, HAbreu, HAbulaiti, YAcharya, BSAdachi, SAdamczyk, LAdelman, JAdersberger, MAdiguzel, AAdye, TAffolder, AAAfik, YAgheorghiesei, CAguilar-Saavedra, JAAhmadov, FAielli, GAkatsuka, SÅkesson, TPAAkilli, EAkimov, AVAlberghi, GLAlbert, JAlbicocco, PVerzini, MJ AlconadaAlderweireldt, SAleksa, MAleksandrov, INAlexa, CAlexopoulos, TAlhroob, MAli, BAlimonti, GAlison, JAlkire, SPAllaire, CAllbrooke, BMMAllen, BWAllport, PPAloisio, AAlonso, AAlonso, FAlpigiani, CAlshehri, AAAlstaty, MIGonzalez, B AlvarezPiqueras, D ÁlvarezAlviggi, MGAmadio, BTCoutinho, Y AmaralAmbroz, LAmelung, CAmidei, DDos Santos, SP AmorAmoroso, SAmrouche, CSAnastopoulos, CAncu, LSAndari, NAndeen, TAnders, CFAnders, JKAnderson, KJAndreazza, AAndrei, VAnelli, CRAngelidakis, SAngelozzi, IAngerami, AAnisenkov, AVAnnovi, AAntel, CAnthony, MTAntonelli, MAntrim, DJAAnulli, FAoki, MBella, L AperioArabidze, GArai, YAraque, JPFerraz, V AraujoPereira, R AraujoArce, ATHArdell, REArduh, FAArguin, J-FArgyropoulos, SArmbruster, AJArmitage, LJArmstrong, AArnaez, O2019-01-01A search for supersymmetry in events with large missing transverse momentum, jets, and at least one hadronically decaying τ-lepton is presented. Two exclusive final states with either exactly one or at least two τ-leptons are considered. The analysis is based on proton-proton collisions at s=13 TeV corresponding to an integrated luminosity of 36.1 fb-1 delivered by the Large Hadron Collider and recorded by the ATLAS detector in 2015 and 2016. No significant excess is observed over the Standard Model expectation. At 95% confidence level, model-independent upper limits on the cross section are set and exclusion limits are provided for two signal scenarios: a simplified model of gluino pair production with τ-rich cascade decays, and a model with gauge-mediated supersymmetry breaking (GMSB). In the simplified model, gluino masses up to 2000 GeV are excluded for low values of the mass of the lightest supersymmetric particle (LSP), while LSP masses up to 1000 GeV are excluded for gluino masses around 1400 GeV. In the GMSB model, values of the supersymmetry-breaking scale are excluded below 110 TeV for all values of tanβ in the range 2≤tanβ≤60, and below 120 TeV for tanβ>30.5106 Nuclear and Plasma Physics (for-2020)5107 Particle and High Energy Physics (for-2020)51 Physical Sciences (for-2020)hep-exhep-exapplication/pdfpubliceScholarship, University of Californiahttps://escholarship.org/uc/item/077852jvhttps://escholarship.org/content/qt077852jv/qt077852jv.pdfinfo:doi/10.1103/physrevd.99.012009articlePhysical Review D, vol 99, iss 1012009oai:escholarship.org:ark:/13030/qt2225h16s2026-04-04T12:12:41Zqt2225h16sSearch for long-lived particles in final states with displaced dimuon vertices in pp collisions at s=13 TeV with the ATLAS detectorAaboud, MAad, GAbbott, BAbdinov, OAbeloos, BAbhayasinghe, DKAbidi, SHAbouZeid, OSAbraham, NLAbramowicz, HAbreu, HAbulaiti, YAcharya, BSAdachi, SAdamczyk, LAdelman, JAdersberger, MAdiguzel, AAdye, TAffolder, AAAfik, YAgheorghiesei, CAguilar-Saavedra, JAAhmadov, FAielli, GAkatsuka, SÅkesson, TPAAkilli, EAkimov, AVAlberghi, GLAlbert, JAlbicocco, PVerzini, MJ AlconadaAlderweireldt, SAleksa, MAleksandrov, INAlexa, CAlexopoulos, TAlhroob, MAli, BAlimonti, GAlison, JAlkire, SPAllaire, CAllbrooke, BMMAllen, BWAllport, PPAloisio, AAlonso, AAlonso, FAlpigiani, CAlshehri, AAAlstaty, MIGonzalez, B AlvarezPiqueras, D ÁlvarezAlviggi, MGAmadio, BTCoutinho, Y AmaralAmbroz, LAmelung, CAmidei, DDos Santos, SP AmorAmoroso, SAmrouche, CSAnastopoulos, CAncu, LSAndari, NAndeen, TAnders, CFAnders, JKAnderson, KJAndreazza, AAndrei, VAnelli, CRAngelidakis, SAngelozzi, IAngerami, AAnisenkov, AVAnnovi, AAntel, CAnthony, MTAntonelli, MAntrim, DJAAnulli, FAoki, MBella, L AperioArabidze, GArai, YAraque, JPFerraz, V AraujoPereira, R AraujoArce, ATHArdell, REArduh, FAArguin, J-FArgyropoulos, SArmbruster, AJArmitage, LJArmstrong, AArnaez, O2019-01-01A search is performed for a long-lived particle decaying into a final state that includes a pair of muons of opposite-sign electric charge, using proton-proton collision data collected at s=13 TeV by the ATLAS detector at the Large Hadron Collider corresponding to an integrated luminosity of 32.9 fb-1. No significant excess over the Standard Model expectation is observed. Limits at 95% confidence level on the lifetime of the long-lived particle are presented in models of new phenomena including gauge-mediated supersymmetry or decay of the Higgs boson, H, to a pair of dark photons, ZD. Lifetimes in the range cτ=1-2400 cm are excluded, depending on the parameters of the model. In the supersymmetric model, the lightest neutralino is the next-to-lightest supersymmetric particle, with a relatively long lifetime due to its weak coupling to the gravitino, the lightest supersymmetric particle. The lifetime limits are determined for very light gravitino mass and various assumptions for the neutralino mass in the range 300-1000 GeV. In the dark photon model, the lifetime limits are interpreted as exclusion contours in the plane of the coupling between the ZD and the Standard Model Z boson versus the ZD mass (in the range 20-60 GeV), for various assumptions for the H→ZDZD branching fraction.5106 Nuclear and Plasma Physics (for-2020)5107 Particle and High Energy Physics (for-2020)51 Physical Sciences (for-2020)hep-exhep-expubliceScholarship, University of Californiahttps://escholarship.org/uc/item/2225h16sinfo:doi/10.1103/physrevd.99.012001articlePhysical Review D, vol 99, iss 1012001oai:escholarship.org:ark:/13030/qt9823h8jm2026-04-04T12:12:31Zqt9823h8jmSearch for heavy charged long-lived particles in proton–proton collisions at s = 13 TeV using an ionisation measurement with the ATLAS detectorCollaboration, The ATLASAaboud, MAad, GAbbott, BAbdinov, OAbeloos, BAbhayasinghe, DKAbidi, SHAbouZeid, OSAbraham, NLAbramowicz, HAbreu, HAbulaiti, YAcharya, BSAdachi, SAdam, LAdamczyk, LAdelman, JAdersberger, MAdiguzel, AAdye, TAffolder, AAAfik, YAgheorghiesei, CAguilar-Saavedra, JAAhmadov, FAielli, GAkatsuka, SÅkesson, TPAAkilli, EAkimov, AVAlberghi, GLAlbert, JAlbicocco, PVerzini, MJ AlconadaAlderweireldt, SAleksa, MAleksandrov, INAlexa, CAlexopoulos, TAlhroob, MAli, BAlimonti, GAlison, JAlkire, SPAllaire, CAllbrooke, BMMAllen, BWAllport, PPAloisio, AAlonso, AAlonso, FAlpigiani, CAlshehri, AAAlstaty, MIGonzalez, B AlvarezPiqueras, D ÁlvarezAlviggi, MGAmadio, BTCoutinho, Y AmaralAmbler, AAmbroz, LAmelung, CAmidei, DDos Santos, SP AmorAmoroso, SAmrouche, CSAnastopoulos, CAncu, LSAndari, NAndeen, TAnders, CFAnders, JKAnderson, KJAndreazza, AAndrei, VAnelli, CRAngelidakis, SAngelozzi, IAngerami, AAnisenkov, AVAnnovi, AAntel, CAnthony, MTAntonelli, MAntrim, DJAAnulli, FAoki, MPozo, JA AparisiBella, L AperioArabidze, GAraque, JPFerraz, V AraujoPereira, R AraujoArce, ATHArdell, REArduh, FAArguin, J-FArgyropoulos, SArmbruster, AJ2019-01-01This Letter presents a search for heavy charged long-lived particles produced in proton–proton collisions at s=13TeV at the LHC using a data sample corresponding to an integrated luminosity of 36.1fb−1 collected by the ATLAS experiment in 2015 and 2016. These particles are expected to travel with a velocity significantly below the speed of light, and therefore have a specific ionisation higher than any high-momentum Standard Model particle of unit charge. The pixel subsystem of the ATLAS detector is used in this search to measure the ionisation energy loss of all reconstructed charged particles which traverse the pixel detector. Results are interpreted assuming the pair production of R-hadrons as composite colourless states of a long-lived gluino and Standard Model partons. No significant deviation from Standard Model background expectations is observed, and lifetime-dependent upper limits on R-hadron production cross-sections and gluino masses are set, assuming the gluino always decays to two quarks and a 100 GeV stable neutralino. R-hadrons with lifetimes above 1.0 ns are excluded at the 95% confidence level, with lower limits on the gluino mass ranging between 1290 GeV and 2060 GeV. In the case of stable R-hadrons, the lower limit on the gluino mass at the 95% confidence level is 1890 GeV.5106 Nuclear and Plasma Physics (for-2020)5107 Particle and High Energy Physics (for-2020)51 Physical Sciences (for-2020)hep-exhep-ex0105 Mathematical Physics (for)0201 Astronomical and Space Sciences (for)0202 AtomicMolecularNuclearParticle and Plasma Physics (for)Nuclear & Particles Physics (science-metrix)49 Mathematical sciences (for-2020)51 Physical sciences (for-2020)publiceScholarship, University of Californiahttps://escholarship.org/uc/item/9823h8jminfo:doi/10.1016/j.physletb.2018.10.055articlePhysics Letters B, vol 78896 - 116oai:escholarship.org:ark:/13030/qt51v9j0232026-04-04T12:12:22Zqt51v9j023Combination of the Searches for Pair-Produced Vectorlike Partners of the Third-Generation Quarks at s=13 TeV with the ATLAS DetectorAaboud, MAad, GAbbott, BAbdinov, OAbeloos, BAbhayasinghe, DKAbidi, SHAbouZeid, OSAbraham, NLAbramowicz, HAbreu, HAbulaiti, YAcharya, BSAdachi, SAdam, LAdamczyk, LAdelman, JAdersberger, MAdiguzel, AAdye, TAffolder, AAAfik, YAgheorghiesei, CAguilar-Saavedra, JAAhmadov, FAielli, GAkatsuka, SÅkesson, TPAAkilli, EAkimov, AVAlberghi, GLAlbert, JAlbicocco, PVerzini, MJ AlconadaAlderweireldt, SAleksa, MAleksandrov, INAlexa, CAlexopoulos, TAlhroob, MAli, BAlimonti, GAlison, JAlkire, SPAllaire, CAllbrooke, BMMAllen, BWAllport, PPAloisio, AAlonso, AAlonso, FAlpigiani, CAlshehri, AAAlstaty, MIGonzalez, B AlvarezPiqueras, D ÁlvarezAlviggi, MGAmadio, BTCoutinho, Y AmaralAmbler, AAmbroz, LAmelung, CAmidei, DDos Santos, SP AmorAmoroso, SAmrouche, CSAnastopoulos, CAncu, LSAndari, NAndeen, TAnders, CFAnders, JKAnderson, KJAndreazza, AAndrei, VAnelli, CRAngelidakis, SAngelozzi, IAngerami, AAnisenkov, AVAnnovi, AAntel, CAnthony, MTAntonelli, MAntrim, DJAAnulli, FAoki, MPozo, JA AparisiBella, L AperioArabidze, GAraque, JPFerraz, V AraujoPereira, R AraujoArce, ATHArdell, REArduh, FAArguin, J-FArgyropoulos, SArmbruster, AJArmitage, LJ2018-11-23A combination of the searches for pair-produced vectorlike partners of the top and bottom quarks in various decay channels (T→Zt/Wb/Ht, B→Zb/Wt/Hb) is performed using 36.1 fb^{-1} of pp collision data at sqrt[s]=13 TeV with the ATLAS detector at the Large Hadron Collider. The observed data are found to be in good agreement with the standard model background prediction in all individual searches. Therefore, combined 95% confidence-level upper limits are set on the production cross section for a range of vectorlike quark scenarios, significantly improving upon the reach of the individual searches. Model-independent limits are set assuming the vectorlike quarks decay to standard model particles. A singlet T is excluded for masses below 1.31 TeV and a singlet B is excluded for masses below 1.22 TeV. Assuming a weak isospin (T,B) doublet and |V_{Tb}|≪|V_{tB}|, T and B masses below 1.37 TeV are excluded.5106 Nuclear and Plasma Physics (for-2020)5107 Particle and High Energy Physics (for-2020)51 Physical Sciences (for-2020)ATLAS CollaborationATLAS CollaborationATLAS CollaborationATLAS Collaborationhep-exhep-ex01 Mathematical Sciences (for)02 Physical Sciences (for)09 Engineering (for)General Physics (science-metrix)40 Engineering (for-2020)49 Mathematical sciences (for-2020)51 Physical sciences (for-2020)publiceScholarship, University of Californiahttps://escholarship.org/uc/item/51v9j023info:doi/10.1103/physrevlett.121.211801articlePhysical Review Letters, vol 121, iss 21211801oai:escholarship.org:ark:/13030/qt8sv9876b2026-04-04T12:11:01Zqt8sv9876bSearch for pair production of heavy vectorlike quarks decaying into hadronic final states in pp collisions at s=13 TeV with the ATLAS detectorAaboud, MAad, GAbbott, BAbdinov, OAbeloos, BAbhayasinghe, DKAbidi, SHAbouZeid, OSAbraham, NLAbramowicz, HAbreu, HAbulaiti, YAcharya, BSAdachi, SAdamczyk, LAdelman, JAdersberger, MAdiguzel, AAdye, TAffolder, AAAfik, YAgheorghiesei, CAguilar-Saavedra, JAAhmadov, FAielli, GAkatsuka, SÅkesson, TPAAkilli, EAkimov, AVAlberghi, GLAlbert, JAlbicocco, PVerzini, MJ AlconadaAlderweireldt, SAleksa, MAleksandrov, INAlexa, CAlexopoulos, TAlhroob, MAli, BAlimonti, GAlison, JAlkire, SPAllaire, CAllbrooke, BMMAllen, BWAllport, PPAloisio, AAlonso, AAlonso, FAlpigiani, CAlshehri, AAAlstaty, MIGonzalez, B AlvarezPiqueras, D ÁlvarezAlviggi, MGAmadio, BTCoutinho, Y AmaralAmbroz, LAmelung, CAmidei, DDos Santos, SP AmorAmoroso, SAmrouche, CSAnastopoulos, CAncu, LSAndari, NAndeen, TAnders, CFAnders, JKAnderson, KJAndreazza, AAndrei, VAnelli, CRAngelidakis, SAngelozzi, IAngerami, AAnisenkov, AVAnnovi, AAntel, CAnthony, MTAntonelli, MAntrim, DJAAnulli, FAoki, MBella, L AperioArabidze, GArai, YAraque, JPFerraz, V AraujoPereira, R AraujoArce, ATHArdell, REArduh, FAArguin, J-FArgyropoulos, SArmbruster, AJArmitage, LJArmstrong, AArnaez, O2018-11-01A search is presented for the pair production of heavy vectorlike quarks, TT or BB, that decay into final states with jets and no reconstructed leptons. Jets in the final state are classified using a deep neural network as arising from hadronically decaying W/Z bosons, Higgs bosons, top quarks, or background. The analysis uses data from the ATLAS experiment corresponding to 36.1 fb-1 of proton-proton collisions with a center-of-mass energy of s=13 TeV delivered by the Large Hadron Collider in 2015 and 2016. No significant deviation from the Standard Model expectation is observed. Results are interpreted assuming the vectorlike quarks decay into a Standard Model boson and a third-generation-quark, T→Wb,Ht,Zt or B→Wt,Hb,Zb, for a variety of branching ratios. At 95% confidence level, the observed (expected) lower limit on the vectorlike B-quark mass for a weak-isospin doublet (B, Y) is 950 (890) GeV, and the lower limits on the masses for the pure decays B→Hb and T→Ht, where these results are strongest, are 1010 (970) GeV and 1010 (1010) GeV, respectively.5106 Nuclear and Plasma Physics (for-2020)5107 Particle and High Energy Physics (for-2020)51 Physical Sciences (for-2020)hep-exhep-expubliceScholarship, University of Californiahttps://escholarship.org/uc/item/8sv9876binfo:doi/10.1103/physrevd.98.092005articlePhysical Review D, vol 98, iss 9092005oai:escholarship.org:ark:/13030/qt3bw5q5n12026-04-04T12:10:46Zqt3bw5q5n1Constraints on off-shell Higgs boson production and the Higgs boson total width in ZZ → 4ℓ and ZZ → 2ℓ2ν final states with the ATLAS detectorCollaboration, The ATLASAaboud, MAad, GAbbott, BAbdinov, OAbeloos, BAbhayasinghe, DKAbidi, SHAbouZeid, OSAbraham, NLAbramowicz, HAbreu, HAbulaiti, YAcharya, BSAdachi, SAdam, LAdamczyk, LAdelman, JAdersberger, MAdiguzel, AAdye, TAffolder, AAAfik, YAgheorghiesei, CAguilar-Saavedra, JAAhmadov, FAielli, GAkatsuka, SÅkesson, TPAAkilli, EAkimov, AVAlberghi, GLAlbert, JAlbicocco, PVerzini, MJ AlconadaAlderweireldt, SAleksa, MAleksandrov, INAlexa, CAlexopoulos, TAlhroob, MAli, BAlimonti, GAlison, JAlkire, SPAllaire, CAllbrooke, BMMAllen, BWAllport, PPAloisio, AAlonso, AAlonso, FAlpigiani, CAlshehri, AAAlstaty, MIGonzalez, B AlvarezPiqueras, D ÁlvarezAlviggi, MGAmadio, BTCoutinho, Y AmaralAmbler, AAmbroz, LAmelung, CAmidei, DDos Santos, SP AmorAmoroso, SAmrouche, CSAnastopoulos, CAncu, LSAndari, NAndeen, TAnders, CFAnders, JKAnderson, KJAndreazza, AAndrei, VAnelli, CRAngelidakis, SAngelozzi, IAngerami, AAnisenkov, AVAnnovi, AAntel, CAnthony, MTAntonelli, MAntrim, DJAAnulli, FAoki, MPozo, JA AparisiBella, L AperioArabidze, GAraque, JPFerraz, V AraujoPereira, R AraujoArce, ATHArdell, REArduh, FAArguin, J-FArgyropoulos, SArmbruster, AJ2018-11-01A measurement of off-shell Higgs boson production in the ZZ→4ℓ and ZZ→2ℓ2ν decay channels, where ℓ stands for either an electron or a muon, is performed using data from proton–proton collisions at a centre-of-mass energy of s=13 TeV. The data were collected by the ATLAS experiment in 2015 and 2016 at the Large Hadron Collider, and they correspond to an integrated luminosity of 36.1fb−1. An observed (expected) upper limit on the off-shell Higgs signal strength, defined as the event yield normalised to the Standard Model prediction, of 3.8 (3.4) is obtained at 95% confidence level (CL). Assuming the ratio of the Higgs boson couplings to the Standard Model predictions is independent of the momentum transfer of the Higgs production mechanism considered in the analysis, a combination with the on-shell signal-strength measurements yields an observed (expected) 95% CL upper limit on the Higgs boson total width of 14.4 (15.2) MeV.5106 Nuclear and Plasma Physics (for-2020)5107 Particle and High Energy Physics (for-2020)51 Physical Sciences (for-2020)hep-exhep-ex0105 Mathematical Physics (for)0201 Astronomical and Space Sciences (for)0202 AtomicMolecularNuclearParticle and Plasma Physics (for)Nuclear & Particles Physics (science-metrix)49 Mathematical sciences (for-2020)51 Physical sciences (for-2020)application/pdfpubliceScholarship, University of Californiahttps://escholarship.org/uc/item/3bw5q5n1https://escholarship.org/content/qt3bw5q5n1/qt3bw5q5n1.pdfinfo:doi/10.1016/j.physletb.2018.09.048articlePhysics Letters B, vol 786223 - 244oai:escholarship.org:ark:/13030/qt7sq1g6sf2026-04-04T12:10:28Zqt7sq1g6sfSearch for neutral MSSM Higgs bosons at LEPSchael, SBarate, RBrunelière, RDe Bonis, IDecamp, DGoy, CJézéquel, SLees, J-PMartin, FMerle, EMinard, M-NPietrzyk, BTrocmé, BBravo, SCasado, MPChmeissani, MCrespo, JMFernandez, EFernandez-Bosman, MGarrido, LMartinez, MPacheco, ARuiz, HColaleo, ACreanza, DDe Filippis, Nde Palma, MIaselli, GMaggi, GMaggi, MNuzzo, SRanieri, ARaso, GRuggieri, FSelvaggi, GSilvestris, LTempesta, PTricomi, AZito, GHuang, XLin, JOuyang, QWang, TXie, YXu, RXue, SZhang, JZhang, LZhao, WAbbaneo, DBarklow, TBuchmüller, OCattaneo, MClerbaux, BDrevermann, HForty, RWFrank, MGianotti, FHansen, JBHarvey, JHutchcroft, DEJanot, PJost, BKado, MMato, PMoutoussi, ARanjard, FRolandi, LSchlatter, DTeubert, FValassi, AVideau, IBadaud, FDessagne, SFalvard, AFayolle, DGay, PJousset, JMichel, BMonteil, SPallin, DPascolo, JMPerret, PHansen, JDHansen, JRHansen, PHKraan, ACNilsson, BSKyriakis, AMarkou, CSimopoulou, EVayaki, AZachariadou, KBlondel, ABrient, J-CMachefert, FRougé, AVideau, HCiulli, VFocardi, E2006-09-01The four LEP collaborations, ALEPH, DELPHI, L3 and OPAL, have searched for the neutral Higgs bosons which are predicted by the Minimal Supersymmetric standard model (MSSM). The data of the four collaborations are statistically combined and examined for their consistency with the background hypothesis and with a possible Higgs boson signal. The combined LEP data show no significant excess of events which would indicate the production of Higgs bosons. The search results are used to set upper bounds on the cross-sections of various Higgs-like event topologies. The results are interpreted within the MSSM in a number of “benchmark” models, including CP-conserving and CP-violating scenarios. These interpretations lead in all cases to large exclusions in the MSSM parameter space. Absolute limits are set on the parameter cosβ and, in some scenarios, on the masses of neutral Higgs bosons.5106 Nuclear and Plasma Physics (for-2020)5107 Particle and High Energy Physics (for-2020)51 Physical Sciences (for-2020)hep-exhep-ex0202 AtomicMolecularNuclearParticle and Plasma Physics (for)0206 Quantum Physics (for)Nuclear & Particles Physics (science-metrix)5101 Astronomical sciences (for-2020)5102 Atomicmolecular and optical physics (for-2020)5107 Particle and high energy physics (for-2020)application/pdfpubliceScholarship, University of Californiahttps://escholarship.org/uc/item/7sq1g6sfhttps://escholarship.org/content/qt7sq1g6sf/qt7sq1g6sf.pdfinfo:doi/10.1140/epjc/s2006-02569-7articleEuropean Physical Journal C, vol 47, iss 3547oai:escholarship.org:ark:/13030/qt53s3j4g22026-04-04T12:10:20Zqt53s3j4g2Search for charged Higgs bosons decaying via H± → τ±ντ in the τ+jets and τ+lepton final states with 36 fb−1 of pp collision data recorded at s=13 TeV with the ATLAS experimentThe ATLAS collaborationAaboud, MAad, GAbbott, BAbdinov, OAbeloos, BAbhayasinghe, DKAbidi, SHAbouZeid, OSAbraham, NLAbramowicz, HAbreu, HAbulaiti, YAcharya, BSAdachi, SAdamczyk, LAdelman, JAdersberger, MAdiguzel, AAdye, TAffolder, AAAfik, YAgheorghiesei, CAguilar-Saavedra, JAAhmadov, FAielli, GAkatsuka, SÅkesson, TPAAkilli, EAkimov, AVAlberghi, GLAlbert, JAlbicocco, PAlconada Verzini, MJAlderweireldt, SAleksa, MAleksandrov, INAlexa, CAlexopoulos, TAlhroob, MAli, BAlimonti, GAlison, JAlkire, SPAllaire, CAllbrooke, BMMAllen, BWAllport, PPAloisio, AAlonso, AAlonso, FAlpigiani, CAlshehri, AAAlstaty, MIAlvarez Gonzalez, BÁlvarez Piqueras, DAlviggi, MGAmadio, BTAmaral Coutinho, YAmbroz, LAmelung, CAmidei, DAmor Dos Santos, SPAmoroso, SAmrouche, CSAnastopoulos, CAncu, LSAndari, NAndeen, TAnders, CFAnders, JKAnderson, KJAndreazza, AAndrei, VAnelli, CRAngelidakis, SAngelozzi, IAngerami, AAnisenkov, AVAnnovi, AAntel, CAnthony, MTAntonelli, MAntrim, DJAAnulli, FAoki, MAparisi Pozo, JAAperio Bella, LArabidze, GAraque, JPAraujo Ferraz, VAraujo Pereira, RArce, ATHArdell, REArduh, FAArguin, J-FArgyropoulos, SArmbruster, AJArmitage, LJArmstrong, A2018-09-01Charged Higgs bosons produced either in top-quark decays or in association with a top-quark, subsequently decaying via H± → τ±ντ, are searched for in 36.1 fb−1 of proton-proton collision data at s=13 TeV recorded with the ATLAS detector. Depending on whether the top-quark produced together with H± decays hadronically or leptonically, the search targets τ+jets and τ+lepton final states, in both cases with a hadronically decaying τ-lepton. No evidence of a charged Higgs boson is found. For the mass range of mH± = 90–2000 GeV, upper limits at the 95% confidence level are set on the production cross-section of the charged Higgs boson times the branching fraction ℬ (H±→ τ±ντ) in the range 4.2–0.0025 pb. In the mass range 90–160 GeV, assuming the Standard Model cross-section for tt¯ production, this corresponds to upper limits between 0.25% and 0.031% for the branching fraction ℬ(t→bH±)×ℬ(H±→τ±ντ).[Figure not available: see fulltext.]5106 Nuclear and Plasma Physics (for-2020)5107 Particle and High Energy Physics (for-2020)4902 Mathematical Physics (for-2020)49 Mathematical Sciences (for-2020)51 Physical Sciences (for-2020)Beyond Standard ModelHadron-Hadron scattering (experiments)Higgs physicshep-exhep-ex0105 Mathematical Physics (for)0202 AtomicMolecularNuclearParticle and Plasma Physics (for)0206 Quantum Physics (for)Nuclear & Particles Physics (science-metrix)4902 Mathematical physics (for-2020)5106 Nuclear and plasma physics (for-2020)5107 Particle and high energy physics (for-2020)application/pdfCC-BYeScholarship, University of Californiahttps://escholarship.org/uc/item/53s3j4g2https://escholarship.org/content/qt53s3j4g2/qt53s3j4g2.pdfinfo:doi/10.1007/jhep09(2018)139articleJournal of High Energy Physics, vol 2018, iss 9139oai:escholarship.org:ark:/13030/qt6cw1150g2026-04-04T12:09:55Zqt6cw1150gPrompt and non-prompt J/ψ elliptic flow in Pb+Pb collisions at sNN=5.02 Tev with the ATLAS detectorAaboud, MAad, GAbbott, BAbdinov, OAbeloos, BAbhayasinghe, DKAbidi, SHAbouZeid, OSAbraham, NLAbramowicz, HAbreu, HAbulaiti, YAcharya, BSAdachi, SAdamczyk, LAdelman, JAdersberger, MAdiguzel, AAdye, TAffolder, AAAfik, YAgheorghiesei, CAguilar-Saavedra, JAAhmadov, FAielli, GAkatsuka, SÅkesson, TPAAkilli, EAkimov, AVAlberghi, GLAlbert, JAlbicocco, PAlconada Verzini, MJAlderweireldt, SAleksa, MAleksandrov, INAlexa, CAlexopoulos, TAlhroob, MAli, BAlimonti, GAlison, JAlkire, SPAllaire, CAllbrooke, BMMAllen, BWAllport, PPAloisio, AAlonso, AAlonso, FAlpigiani, CAlshehri, AAAlstaty, MIAlvarez Gonzalez, BÁlvarez Piqueras, DAlviggi, MGAmadio, BTAmaral Coutinho, YAmbroz, LAmelung, CAmidei, DAmor Dos Santos, SPAmoroso, SAmrouche, CSAnastopoulos, CAncu, LSAndari, NAndeen, TAnders, CFAnders, JKAnderson, KJAndreazza, AAndrei, VAnelli, CRAngelidakis, SAngelozzi, IAngerami, AAnisenkov, AVAnnovi, AAntel, CAnthony, MTAntonelli, MAntrim, DJAAnulli, FAoki, MAparisi Pozo, JAAperio Bella, LArabidze, GAraque, JPAraujo Ferraz, VAraujo Pereira, RArce, ATHArdell, REArduh, FAArguin, J-FArgyropoulos, SArmbruster, AJArmitage, LJArmstrong, AArnaez, O2018-09-01The elliptic flow of prompt and non-prompt J / ψ was measured in the dimuon decay channel in Pb+Pb collisions at s NN = 5.02 TeV with an integrated luminosity of 0.42 nb - 1 with the ATLAS detector at the LHC. The prompt and non-prompt signals are separated using a two-dimensional simultaneous fit of the invariant mass and pseudo-proper decay time of the dimuon system from the J / ψ decay. The measurement is performed in the kinematic range of dimuon transverse momentum and rapidity 9 < p T < 30 GeV , | y | < 2 , and 0-60% collision centrality. The elliptic flow coefficient, v 2 , is evaluated relative to the event plane and the results are presented as a function of transverse momentum, rapidity and centrality. It is found that prompt and non-prompt J / ψ mesons have non-zero elliptic flow. Prompt J / ψ v 2 decreases as a function of p T , while for non-prompt J / ψ it is, with limited statistical significance, consistent with a flat behaviour over the studied kinematic region. There is no observed dependence on rapidity or centrality.5106 Nuclear and Plasma Physics (for-2020)5107 Particle and High Energy Physics (for-2020)51 Physical Sciences (for-2020)ATLAS Collaborationnucl-exnucl-exhep-ex0202 AtomicMolecularNuclearParticle and Plasma Physics (for)0206 Quantum Physics (for)Nuclear & Particles Physics (science-metrix)5101 Astronomical sciences (for-2020)5102 Atomicmolecular and optical physics (for-2020)5107 Particle and high energy physics (for-2020)application/pdfpubliceScholarship, University of Californiahttps://escholarship.org/uc/item/6cw1150ghttps://escholarship.org/content/qt6cw1150g/qt6cw1150g.pdfinfo:doi/10.1140/epjc/s10052-018-6243-9articleEuropean Physical Journal C, vol 78, iss 9784oai:escholarship.org:ark:/13030/qt18w5m0n92026-04-04T12:09:38Zqt18w5m0n9Searches for exclusive Higgs and Z boson decays into J/ψ γ, ψ(2S) γ, and ϒ(nS) γ at s = 13 TeV with the ATLAS detectorCollaboration, The ATLASAaboud, MAad, GAbbott, BAbdinov, OAbeloos, BAbhayasinghe, DKAbidi, SHAbouZeid, OSAbraham, NLAbramowicz, HAbreu, HAbulaiti, YAcharya, BSAdachi, SAdamczyk, LAdelman, JAdersberger, MAdiguzel, AAdye, TAffolder, AAAfik, YAgheorghiesei, CAguilar-Saavedra, JAAhmadov, FAielli, GAkatsuka, SÅkesson, TPAAkilli, EAkimov, AVAlberghi, GLAlbert, JAlbicocco, PVerzini, MJ AlconadaAlderweireldt, SAleksa, MAleksandrov, INAlexa, CAlexopoulos, TAlhroob, MAli, BAlimonti, GAlison, JAlkire, SPAllaire, CAllbrooke, BMMAllen, BWAllport, PPAloisio, AAlonso, AAlonso, FAlpigiani, CAlshehri, AAAlstaty, MIGonzalez, B AlvarezPiqueras, D ÁlvarezAlviggi, MGAmadio, BTCoutinho, Y AmaralAmbroz, LAmelung, CAmidei, DDos Santos, SP AmorAmoroso, SAmrouche, CSAnastopoulos, CAncu, LSAndari, NAndeen, TAnders, CFAnders, JKAnderson, KJAndreazza, AAndrei, VAnelli, CRAngelidakis, SAngelozzi, IAngerami, AAnisenkov, AVAnnovi, AAntel, CAnthony, MTAntonelli, MAntrim, DJAAnulli, FAoki, MPozo, JA AparisiBella, L AperioArabidze, GAraque, JPFerraz, V AraujoPereira, R AraujoArce, ATHArdell, REArduh, FAArguin, J-FArgyropoulos, SArmbruster, AJArmitage, LJArmstrong, A2018-11-01Searches for the exclusive decays of the Higgs and Z bosons into a J/ψ, ψ(2S), or ϒ(nS) (n=1,2,3) meson and a photon are performed with a pp collision data sample corresponding to an integrated luminosity of 36.1fb−1 collected at s=13TeV with the ATLAS detector at the CERN Large Hadron Collider. No significant excess of events is observed above the expected backgrounds, and 95% confidence-level upper limits on the branching fractions of the Higgs boson decays to J/ψγ, ψ(2S)γ, and ϒ(nS)γ of 3.5×10−4, 2.0×10−3, and (4.9,5.9,5.7)×10−4, respectively, are obtained assuming Standard Model production. The corresponding 95% confidence-level upper limits for the branching fractions of the Z boson decays are 2.3×10−6, 4.5×10−6 and (2.8,1.7,4.8)×10−6, respectively.5106 Nuclear and Plasma Physics (for-2020)5107 Particle and High Energy Physics (for-2020)51 Physical Sciences (for-2020)hep-exhep-ex0105 Mathematical Physics (for)0201 Astronomical and Space Sciences (for)0202 AtomicMolecularNuclearParticle and Plasma Physics (for)Nuclear & Particles Physics (science-metrix)49 Mathematical sciences (for-2020)51 Physical sciences (for-2020)application/pdfCC-BYeScholarship, University of Californiahttps://escholarship.org/uc/item/18w5m0n9https://escholarship.org/content/qt18w5m0n9/qt18w5m0n9.pdfinfo:doi/10.1016/j.physletb.2018.09.024articlePhysics Letters B, vol 786134 - 155oai:escholarship.org:ark:/13030/qt8hc0967w2026-04-04T12:09:25Zqt8hc0967wSearch for pair and single production of vectorlike quarks in final states with at least one Z boson decaying into a pair of electrons or muons in pp collision data collected with the ATLAS detector at s=13 TeVAaboud, MAad, GAbbott, BAbdinov, OAbeloos, BAbhayasinghe, DKAbidi, SHAbouZeid, OSAbraham, NLAbramowicz, HAbreu, HAbulaiti, YAcharya, BSAdachi, SAdamczyk, LAdelman, JAdersberger, MAdiguzel, AAdye, TAffolder, AAAfik, YAgheorghiesei, CAguilar-Saavedra, JAAhmadov, FAielli, GAkatsuka, SÅkesson, TPAAkilli, EAkimov, AVAlberghi, GLAlbert, JAlbicocco, PVerzini, MJ AlconadaAlderweireldt, SAleksa, MAleksandrov, INAlexa, CAlexopoulos, TAlhroob, MAli, BAlimonti, GAlison, JAlkire, SPAllaire, CAllbrooke, BMMAllen, BWAllport, PPAloisio, AAlonso, AAlonso, FAlpigiani, CAlshehri, AAAlstaty, MIGonzalez, B AlvarezPiqueras, D ÁlvarezAlviggi, MGAmadio, BTCoutinho, Y AmaralAmbroz, LAmelung, CAmidei, DDos Santos, SP AmorAmoroso, SAmrouche, CSAnastopoulos, CAncu, LSAndari, NAndeen, TAnders, CFAnders, JKAnderson, KJAndreazza, AAndrei, VAnelli, CRAngelidakis, SAngelozzi, IAngerami, AAnisenkov, AVAnnovi, AAntel, CAnthony, MTAntonelli, MAntrim, DJAAnulli, FAoki, MPozo, JA AparisiBella, L AperioArabidze, GAraque, JPFerraz, V AraujoPereira, R AraujoArce, ATHArdell, REArduh, FAArguin, J-FArgyropoulos, SArmbruster, AJArmitage, LJArmstrong, AArnaez, O2018-12-01A search for vectorlike quarks is presented, which targets their decay into a Z boson and a third-generation Standard Model quark. In the case of a vectorlike quark T (B) with charge +2/3e (-1/3e), the decay searched for is T→Zt (B→Zb). Data for this analysis were taken during 2015 and 2016 with the ATLAS detector at the Large Hadron Collider and correspond to an integrated luminosity of 36.1 fb−1 of pp collisions at s=13 TeV. The final state used is characterized by the presence of b-tagged jets, as well as a Z boson with high transverse momentum, which is reconstructed from a pair of opposite-sign same-flavor leptons. Pair and single production of vectorlike quarks are both taken into account and are each searched for using optimized dileptonic exclusive and trileptonic inclusive event selections. In these selections, the high scalar sum of jet transverse momenta, the presence of high-transverse-momentum large-radius jets, as well as—in the case of the single-production selections—the presence of forward jets are used. No significant excess over the background-only hypothesis is found and exclusion limits at 95% confidence level allow masses of vectorlike quarks of mT>1030 GeV (mT>1210 GeV) and mB>1010 GeV (mB>1140 GeV) in the singlet (doublet) model. In the case of 100% branching ratio for T→Zt (B→Zb), the limits are mT>1340 GeV (mB>1220 GeV). Limits at 95% confidence level are also set on the coupling to Standard Model quarks for given vectorlike quark masses.5106 Nuclear and Plasma Physics (for-2020)5107 Particle and High Energy Physics (for-2020)51 Physical Sciences (for-2020)hep-exhep-expubliceScholarship, University of Californiahttps://escholarship.org/uc/item/8hc0967winfo:doi/10.1103/physrevd.98.112010articlePhysical Review D, vol 98, iss 11112010oai:escholarship.org:ark:/13030/qt9qq420nn2026-04-04T12:07:57Zqt9qq420nnSearch for Higgs boson decays into a pair of light bosons in the bbμμ final state in pp collision at s = 13 TeV with the ATLAS detectorCollaboration, The ATLASAaboud, MAad, GAbbott, BAbdinov, OAbeloos, BAbhayasinghe, DKAbidi, SHAbouZeid, OSAbraham, NLAbramowicz, HAbreu, HAbulaiti, YAcharya, BSAdachi, SAdamczyk, LAdelman, JAdersberger, MAdiguzel, AAdye, TAffolder, AAAfik, YAgheorghiesei, CAguilar-Saavedra, JAAhmadov, FAielli, GAkatsuka, SÅkesson, TPAAkilli, EAkimov, AVAlberghi, GLAlbert, JAlbicocco, PVerzini, MJ AlconadaAlderweireldt, SAleksa, MAleksandrov, INAlexa, CAlexopoulos, TAlhroob, MAli, BAlimonti, GAlison, JAlkire, SPAllaire, CAllbrooke, BMMAllen, BWAllport, PPAloisio, AAlonso, AAlonso, FAlpigiani, CAlshehri, AAAlstaty, MIGonzalez, B AlvarezPiqueras, D ÁlvarezAlviggi, MGAmadio, BTCoutinho, Y AmaralAmbroz, LAmelung, CAmidei, DDos Santos, SP AmorAmoroso, SAmrouche, CSAnastopoulos, CAncu, LSAndari, NAndeen, TAnders, CFAnders, JKAnderson, KJAndreazza, AAndrei, VAnelli, CRAngelidakis, SAngelozzi, IAngerami, AAnisenkov, AVAnnovi, AAntel, CAnthony, MTAntonelli, MAntrim, DJAAnulli, FAoki, MPozo, JA AparisiBella, L AperioArabidze, GAraque, JPFerraz, V AraujoPereira, R AraujoArce, ATHArdell, REArduh, FAArguin, J-FArgyropoulos, SArmbruster, AJArmitage, LJArmstrong, A2019-03-01A search for decays of the Higgs boson into a pair of new spin-zero particles, H → a a , where the a-bosons decay into a b-quark pair and a muon pair, is presented. The search uses 36.1 fb − 1 of proton–proton collision data at s = 13 TeV recorded by the ATLAS experiment at the LHC in 2015 and 2016. No significant deviation from the Standard Model prediction is observed. Upper limits at 95% confidence level are placed on the branching ratio ( σ H / σ SM ) × B ( H → a a → b b μ μ ) , ranging from 1.2 × 10 − 4 to 8.4 × 10 − 4 in the a-boson mass range of 20–60 GeV. Model-independent limits are set on the visible production cross-section times the branching ratio to the b b μ μ final state for new physics, σ vis ( X ) × B ( X → b b μ μ ) , ranging from 0.1 fb to 0.73 fb for m μ μ between 18 and 62 GeV.5106 Nuclear and Plasma Physics (for-2020)5107 Particle and High Energy Physics (for-2020)51 Physical Sciences (for-2020)hep-exhep-ex0105 Mathematical Physics (for)0201 Astronomical and Space Sciences (for)0202 AtomicMolecularNuclearParticle and Plasma Physics (for)Nuclear & Particles Physics (science-metrix)49 Mathematical sciences (for-2020)51 Physical sciences (for-2020)publiceScholarship, University of Californiahttps://escholarship.org/uc/item/9qq420nninfo:doi/10.1016/j.physletb.2018.10.073articlePhysics Letters B, vol 7901 - 21oai:escholarship.org:ark:/13030/qt3ct214p42026-04-04T12:07:47Zqt3ct214p4Correlated long-range mixed-harmonic fluctuations measured in pp, p+Pb and low-multiplicity Pb+Pb collisions with the ATLAS detectorCollaboration, The ATLASAaboud, MAad, GAbbott, BAbdinov, OAbeloos, BAbhayasinghe, DKAbidi, SHAbouZeid, OSAbraham, NLAbramowicz, HAbreu, HAbulaiti, YAcharya, BSAdachi, SAdamczyk, LAdelman, JAdersberger, MAdiguzel, AAdye, TAffolder, AAAfik, YAgheorghiesei, CAguilar-Saavedra, JAAhmadov, FAielli, GAkatsuka, SÅkesson, TPAAkilli, EAkimov, AVAlberghi, GLAlbert, JAlbicocco, PVerzini, MJ AlconadaAlderweireldt, SAleksa, MAleksandrov, INAlexa, CAlexopoulos, TAlhroob, MAli, BAlimonti, GAlison, JAlkire, SPAllaire, CAllbrooke, BMMAllen, BWAllport, PPAloisio, AAlonso, AAlonso, FAlpigiani, CAlshehri, AAAlstaty, MIGonzalez, B AlvarezPiqueras, D ÁlvarezAlviggi, MGAmadio, BTCoutinho, Y AmaralAmbroz, LAmelung, CAmidei, DDos Santos, SP AmorAmoroso, SAmrouche, CSAnastopoulos, CAncu, LSAndari, NAndeen, TAnders, CFAnders, JKAnderson, KJAndreazza, AAndrei, VAnelli, CRAngelidakis, SAngelozzi, IAngerami, AAnisenkov, AVAnnovi, AAntel, CAnthony, MTAntonelli, MAntrim, DJAAnulli, FAoki, MPozo, JA AparisiBella, L AperioArabidze, GAraque, JPFerraz, V AraujoPereira, R AraujoArce, ATHArdell, REArduh, FAArguin, J-FArgyropoulos, SArmbruster, AJArmitage, LJArmstrong, A2019-02-01Correlations of two flow harmonics vn and vm via three- and four-particle cumulants are measured in 13 TeV pp, 5.02 TeV p+Pb, and 2.76 TeV peripheral Pb+Pb collisions with the ATLAS detector at the LHC. The goal is to understand the multi-particle nature of the long-range collective phenomenon in these collision systems. The large non-flow background from dijet production present in the standard cumulant method is suppressed using a method of subevent cumulants involving two, three and four subevents separated in pseudorapidity. The results show a negative correlation between v2 and v3 and a positive correlation between v2 and v4 for all collision systems and over the full multiplicity range. However, the magnitudes of the correlations are found to depend on the event multiplicity, the choice of transverse momentum range and collision system. The relative correlation strength, obtained by normalisation of the cumulants with the 〈vn 2〉 from a two-particle correlation analysis, is similar in the three collision systems and depends weakly on the event multiplicity and transverse momentum. These results based on the subevent methods provide strong evidence of a similar long-range multi-particle collectivity in pp, p+Pb and peripheral Pb+Pb collisions.5106 Nuclear and Plasma Physics (for-2020)5107 Particle and High Energy Physics (for-2020)51 Physical Sciences (for-2020)nucl-exnucl-exhep-ex0105 Mathematical Physics (for)0201 Astronomical and Space Sciences (for)0202 AtomicMolecularNuclearParticle and Plasma Physics (for)Nuclear & Particles Physics (science-metrix)49 Mathematical sciences (for-2020)51 Physical sciences (for-2020)publiceScholarship, University of Californiahttps://escholarship.org/uc/item/3ct214p4info:doi/10.1016/j.physletb.2018.11.065articlePhysics Letters B, vol 789444 - 471oai:escholarship.org:ark:/13030/qt8r20c9602026-04-04T12:07:37Zqt8r20c960Observation of Centrality-Dependent Acoplanarity for Muon Pairs Produced via Two-Photon Scattering in Pb+Pb Collisions at sNN=5.02 TeV with the ATLAS DetectorAaboud, MAad, GAbbott, BAbdinov, OAbeloos, BAbhayasinghe, DKAbidi, SHAbouZeid, OSAbraham, NLAbramowicz, HAbreu, HAbulaiti, YAcharya, BSAdachi, SAdamczyk, LAdelman, JAdersberger, MAdiguzel, AAdye, TAffolder, AAAfik, YAgheorghiesei, CAguilar-Saavedra, JAAhmadov, FAielli, GAkatsuka, SÅkesson, TPAAkilli, EAkimov, AVAlberghi, GLAlbert, JAlbicocco, PVerzini, MJ AlconadaAlderweireldt, SAleksa, MAleksandrov, INAlexa, CAlexopoulos, TAlhroob, MAli, BAlimonti, GAlison, JAlkire, SPAllaire, CAllbrooke, BMMAllen, BWAllport, PPAloisio, AAlonso, AAlonso, FAlpigiani, CAlshehri, AAAlstaty, MIGonzalez, B AlvarezPiqueras, D ÁlvarezAlviggi, MGAmadio, BTCoutinho, Y AmaralAmbroz, LAmelung, CAmidei, DDos Santos, SP AmorAmoroso, SAmrouche, CSAnastopoulos, CAncu, LSAndari, NAndeen, TAnders, CFAnders, JKAnderson, KJAndreazza, AAndrei, VAnelli, CRAngelidakis, SAngelozzi, IAngerami, AAnisenkov, AVAnnovi, AAntel, CAnthony, MTAntonelli, MAntrim, DJAAnulli, FAoki, MPozo, JA AparisiBella, L AperioArabidze, GAraque, JPFerraz, V AraujoPereira, R AraujoArce, ATHArdell, REArduh, FAArguin, J-FArgyropoulos, SArmbruster, AJArmitage, LJArmstrong, AArnaez, O2018-11-23This Letter presents a measurement of γγ→μ^{+}μ^{-} production in Pb+Pb collisions recorded by the ATLAS detector at the Large Hadron Collider at sqrt[s_{NN}]=5.02 TeV with an integrated luminosity of 0.49 nb^{-1}. The azimuthal angle and transverse momentum correlations between the muons are measured as a function of collision centrality. The muon pairs are produced from γγ through the interaction of the large electromagnetic fields of the nuclei. The contribution from background sources of muon pairs is removed using a template fit method. In peripheral collisions, the muons exhibit a strong back-to-back correlation consistent with previous measurements of muon pair production in ultraperipheral collisions. The angular correlations are observed to broaden significantly in central collisions. The modifications are qualitatively consistent with rescattering of the muons while passing through the hot matter produced in the collision.5106 Nuclear and Plasma Physics (for-2020)5107 Particle and High Energy Physics (for-2020)51 Physical Sciences (for-2020)ATLAS CollaborationATLAS CollaborationATLAS Collaborationnucl-exnucl-exhep-ex01 Mathematical Sciences (for)02 Physical Sciences (for)09 Engineering (for)General Physics (science-metrix)40 Engineering (for-2020)49 Mathematical sciences (for-2020)51 Physical sciences (for-2020)publiceScholarship, University of Californiahttps://escholarship.org/uc/item/8r20c960info:doi/10.1103/physrevlett.121.212301articlePhysical Review Letters, vol 121, iss 21212301oai:escholarship.org:ark:/13030/qt69z892pb2026-04-04T12:07:08Zqt69z892pbFCC Physics OpportunitiesAbada, AAbbrescia, MAbdusSalam, SSAbdyukhanov, IFernandez, J AbelleiraAbramov, AAburaia, MAcar, AOAdzic, PRAgrawal, PAguilar-Saavedra, JAAguilera-Verdugo, JJAiba, MAichinger, IAielli, GAkay, AAkhundov, AAksakal, HAlbacete, JLAlbergo, SAlekou, AAleksa, MAleksan, RFernandez, RM AlemanyAlexahin, YAlía, RGAlioli, STehrani, N AlipourAllanach, BCAllport, PPAltınlı, MAltmannshofer, WAmbrosio, GAmorim, DAmstutz, OAnderlini, LAndreazza, AAndreini, MAndriatis, AAndris, CAndronic, AAngelucci, MAntinori, FAntipov, SAAntonelli, MAntonello, MAntonioli, PAntusch, SAnulli, FApolinário, LApollinari, GApollonio, AAppelö, DAppleby, RBApyan, AraApyan, ArmArbey, AArbuzov, AArduini, GArı, VArias, SArmesto, NArnaldi, RArsenyev, SAArzeo, MAsai, SAslanides, EAßmann, RWAstapovych, DAtanasov, MAtieh, SAttié, DAuchmann, BAudurier, AAull, SAumon, SAune, SAvino, FAvrillaud, GAydın, GAzatov, AAzuelos, GAzzi, PAzzolini, OAzzurri, PBacchetta, NBacchiocchi, EBachacou, HBaek, YWBaglin, VBai, YBaird, SBaker, MJBaldwin, MJBall, AHBallarino, ABanerjee, SBarber, DPBarducci, DBarjhoux, P2019-06-01We review the physics opportunities of the Future Circular Collider, covering its e+e-, pp, ep and heavy ion programmes. We describe the measurement capabilities of each FCC component, addressing the study of electroweak, Higgs and strong interactions, the top quark and flavour, as well as phenomena beyond the Standard Model. We highlight the synergy and complementarity of the different colliders, which will contribute to a uniquely coherent and ambitious research programme, providing an unmatchable combination of precision and sensitivity to new physics.5106 Nuclear and Plasma Physics (for-2020)5107 Particle and High Energy Physics (for-2020)51 Physical Sciences (for-2020)0202 AtomicMolecularNuclearParticle and Plasma Physics (for)0206 Quantum Physics (for)Nuclear & Particles Physics (science-metrix)5101 Astronomical sciences (for-2020)5102 Atomicmolecular and optical physics (for-2020)5107 Particle and high energy physics (for-2020)publiceScholarship, University of Californiahttps://escholarship.org/uc/item/69z892pbinfo:doi/10.1140/epjc/s10052-019-6904-3articleEuropean Physical Journal C, vol 79, iss 6474oai:escholarship.org:ark:/13030/qt55c1h68f2026-04-04T12:07:01Zqt55c1h68fFCC-ee: The Lepton ColliderAbada, AAbbrescia, MAbdusSalam, SSAbdyukhanov, IAbelleira Fernandez, JAbramov, AAburaia, MAcar, AOAdzic, PRAgrawal, PAguilar-Saavedra, JAAguilera-Verdugo, JJAiba, MAichinger, IAielli, GAkay, AAkhundov, AAksakal, HAlbacete, JLAlbergo, SAlekou, AAleksa, MAleksan, RAlemany Fernandez, RMAlexahin, YAlía, RGAlioli, SAlipour Tehrani, NAllanach, BCAllport, PPAltınlı, MAltmannshofer, WAmbrosio, GAmorim, DAmstutz, OAnderlini, LAndreazza, AAndreini, MAndriatis, AAndris, CAndronic, AAngelucci, MAntinori, FAntipov, SAAntonelli, MAntonello, MAntonioli, PAntusch, SAnulli, FApolinário, LApollinari, GApollonio, AAppelö, DAppleby, RBApyan, AApyan, AArbey, AArbuzov, AArduini, GArı, VArias, SArmesto, NArnaldi, RArsenyev, SAArzeo, MAsai, SAslanides, EAßmann, RWAstapovych, DAtanasov, MAtieh, SAttié, DAuchmann, BAudurier, AAull, SAumon, SAune, SAvino, FAvrillaud, GAydın, GAzatov, AAzuelos, GAzzi, PAzzolini, OAzzurri, PBacchetta, NBacchiocchi, EBachacou, HBaek, YWBaglin, VBai, YBaird, SBaker, MJBaldwin, MJBall, AHBallarino, ABanerjee, SBarber, DPBarducci, DBarjhoux, P2019-06-01Abstract
In response to the 2013 Update of the European Strategy for Particle Physics, the Future Circular Collider (FCC) study was launched, as an international collaboration hosted by CERN. This study covers a highest-luminosity high-energy lepton collider (FCC-ee) and an energy-frontier hadron collider (FCC-hh), which could, successively, be installed in the same 100 km tunnel. The scientific capabilities of the integrated FCC programme would serve the worldwide community throughout the 21st century. The FCC study also investigates an LHC energy upgrade, using FCC-hh technology. This document constitutes the second volume of the FCC Conceptual Design Report, devoted to the electron-positron collider FCC-ee. After summarizing the physics discovery opportunities, it presents the accelerator design, performance reach, a staged operation scenario, the underlying technologies, civil engineering, technical infrastructure, and an implementation plan. FCC-ee can be built with today’s technology. Most of the FCC-ee infrastructure could be reused for FCC-hh. Combining concepts from past and present lepton colliders and adding a few novel elements, the FCC-ee design promises outstandingly high luminosity. This will make the FCC-ee a unique precision instrument to study the heaviest known particles (Z, W and H bosons and the top quark), offering great direct and indirect sensitivity to new physics.5106 Nuclear and Plasma Physics (for-2020)5107 Particle and High Energy Physics (for-2020)51 Physical Sciences (for-2020)01 Mathematical Sciences (for)02 Physical Sciences (for)Applied Physics (science-metrix)Fluids & Plasmas (science-metrix)49 Mathematical sciences (for-2020)51 Physical sciences (for-2020)publiceScholarship, University of Californiahttps://escholarship.org/uc/item/55c1h68finfo:doi/10.1140/epjst/e2019-900045-4articleThe European Physical Journal Special Topics, vol 228, iss 2261 - 623oai:escholarship.org:ark:/13030/qt0v55x8872026-04-04T12:06:36Zqt0v55x887Search for pair production of Higgsinos in final states with at least three b-tagged jets in s=13 TeV pp collisions using the ATLAS detectorAaboud, MAad, GAbbott, BAbdinov, OAbeloos, BAbidi, SHAbouZeid, OSAbraham, NLAbramowicz, HAbreu, HAbulaiti, YAcharya, BSAdachi, SAdamczyk, LAdelman, JAdersberger, MAdye, TAffolder, AAAfik, YAgheorghiesei, CAguilar-Saavedra, JAAhmadov, FAielli, GAkatsuka, SÅkesson, TPAAkilli, EAkimov, AVAlberghi, GLAlbert, JAlbicocco, PVerzini, MJ AlconadaAlderweireldt, SAleksa, MAleksandrov, INAlexa, CAlexander, GAlexopoulos, TAlhroob, MAli, BAliev, MAlimonti, GAlison, JAlkire, SPAllaire, CAllbrooke, BMMAllen, BWAllport, PPAloisio, AAlonso, AAlonso, FAlpigiani, CAlshehri, AAAlstaty, MIGonzalez, B AlvarezPiqueras, D ÁlvarezAlviggi, MGAmadio, BTCoutinho, Y AmaralAmbroz, LAmelung, CAmidei, DDos Santos, SP AmorAmoroso, SAnastopoulos, CAncu, LSAndari, NAndeen, TAnders, CFAnders, JKAnderson, KJAndreazza, AAndrei, VAngelidakis, SAngelozzi, IAngerami, AAnisenkov, AVAnnovi, AAntel, CAnthony, MTAntonelli, MAntrim, DJAAnulli, FAoki, MBella, L AperioArabidze, GArai, YAraque, JPFerraz, V AraujoPereira, R AraujoArce, ATHArdell, REArduh, FAArguin, J-FArgyropoulos, SArmbruster, AJArmitage, LJArnaez, OArnold, HArratia, MArslan, O2018-11-01A search for pair production of the supersymmetric partners of the Higgs boson (higgsinos H˜) in gauge-mediated scenarios is reported. Each higgsino is assumed to decay to a Higgs boson and a gravitino. Two complementary analyses, targeting high- and low-mass signals, are performed to maximize sensitivity. The two analyses utilize LHC pp collision data at a center-of-mass energy s=13 TeV, the former with an integrated luminosity of 36.1 fb-1 and the latter with 24.3 fb-1, collected with the ATLAS detector in 2015 and 2016. The search is performed in events containing missing transverse momentum and several energetic jets, at least three of which must be identified as b-quark jets. No significant excess is found above the predicted background. Limits on the cross section are set as a function of the mass of the H˜ in simplified models assuming production via mass-degenerate higgsinos decaying to a Higgs boson and a gravitino. Higgsinos with masses between 130 and 230 GeV and between 290 and 880 GeV are excluded at the 95% confidence level. Interpretations of the limits in terms of the branching ratio of the higgsino to a Z boson or a Higgs boson are also presented, and a 45% branching ratio to a Higgs boson is excluded for mH˜≈400 GeV.5106 Nuclear and Plasma Physics (for-2020)5107 Particle and High Energy Physics (for-2020)51 Physical Sciences (for-2020)hep-exhep-expubliceScholarship, University of Californiahttps://escholarship.org/uc/item/0v55x887info:doi/10.1103/physrevd.98.092002articlePhysical Review D, vol 98, iss 9092002oai:escholarship.org:ark:/13030/qt34b592kn2026-04-04T12:06:26Zqt34b592knSearch for chargino-neutralino production using recursive jigsaw reconstruction in final states with two or three charged leptons in proton-proton collisions at s=13 TeV with the ATLAS detectorAaboud, MAad, GAbbott, BAbdinov, OAbeloos, BAbhayasinghe, DKAbidi, SHAbouZeid, OSAbraham, NLAbramowicz, HAbreu, HAbulaiti, YAcharya, BSAdachi, SAdamczyk, LAdelman, JAdersberger, MAdiguzel, AAdye, TAffolder, AAAfik, YAgheorghiesei, CAguilar-Saavedra, JAAhmadov, FAielli, GAkatsuka, SÅkesson, TPAAkilli, EAkimov, AVAlberghi, GLAlbert, JAlbicocco, PVerzini, MJ AlconadaAlderweireldt, SAleksa, MAleksandrov, INAlexa, CAlexander, GAlexopoulos, TAlhroob, MAli, BAlimonti, GAlison, JAlkire, SPAllaire, CAllbrooke, BMMAllen, BWAllport, PPAloisio, AAlonso, AAlonso, FAlpigiani, CAlshehri, AAAlstaty, MIGonzalez, B AlvarezPiqueras, D ÁlvarezAlviggi, MGAmadio, BTCoutinho, Y AmaralAmbroz, LAmelung, CAmidei, DDos Santos, SP AmorAmoroso, SAmrouche, CSAnastopoulos, CAncu, LSAndari, NAndeen, TAnders, CFAnders, JKAnderson, KJAndreazza, AAndrei, VAnelli, CRAngelidakis, SAngelozzi, IAngerami, AAnisenkov, AVAnnovi, AAntel, CAnthony, MTAntonelli, MAntrim, DJAAnulli, FAoki, MBella, L AperioArabidze, GArai, YAraque, JPFerraz, V AraujoPereira, R AraujoArce, ATHArdell, REArduh, FAArguin, J-FArgyropoulos, SArmbruster, AJArmitage, LJArmstrong, A2018-11-01A search for electroweak production of supersymmetric particles is performed in two-lepton and three-lepton final states using recursive jigsaw reconstruction, a technique that assigns reconstructed objects to the most probable hemispheres of the decay trees, allowing one to construct tailored kinematic variables to separate the signal and background. The search uses data collected in 2015 and 2016 by the ATLAS experiment in s=13 TeV proton-proton collisions at the CERN Large Hadron Collider corresponding to an integrated luminosity of 36.1 fb-1. Chargino-neutralino pair production, with decays via W/Z bosons, is studied in final states involving leptons and jets and missing transverse momentum for scenarios with large and intermediate mass splittings between the parent particle and lightest supersymmetric particle, as well as for the scenario where this mass splitting is close to the mass of the Z boson. The latter case is challenging since the vector bosons are produced with kinematic properties that are similar to those in Standard Model processes. Results are found to be compatible with the Standard Model expectations in the signal regions targeting large and intermediate mass splittings, and chargino-neutralino masses up to 600 GeV are excluded at 95% confidence level for a massless lightest supersymmetric particle. Excesses of data above the expected background are found in the signal regions targeting low mass splittings, and the largest local excess amounts to 3.0 standard deviations.5106 Nuclear and Plasma Physics (for-2020)5107 Particle and High Energy Physics (for-2020)51 Physical Sciences (for-2020)hep-exhep-expubliceScholarship, University of Californiahttps://escholarship.org/uc/item/34b592kninfo:doi/10.1103/physrevd.98.092012articlePhysical Review D, vol 98, iss 9092012oai:escholarship.org:ark:/13030/qt43c8465g2026-04-04T12:06:17Zqt43c8465gSearch for resonances in the mass distribution of jet pairs with one or two jets identified as b-jets in proton-proton collisions at s=13 TeV with the ATLAS detectorAaboud, MAad, GAbbott, BAbdinov, OAbeloos, BAbhayasinghe, DKAbidi, SHAbouZeid, OSAbraham, NLAbramowicz, HAbreu, HAbulaiti, YAcharya, BSAdachi, SAdamczyk, LAdelman, JAdersberger, MAdiguzel, AAdye, TAffolder, AAAfik, YAgheorghiesei, CAguilar-Saavedra, JAAhmadov, FAielli, GAkatsuka, SÅkesson, TPAAkilli, EAkimov, AVAlberghi, GLAlbert, JAlbicocco, PVerzini, MJ AlconadaAlderweireldt, SAleksa, MAleksandrov, INAlexa, CAlexopoulos, TAlhroob, MAli, BAlimonti, GAlison, JAlkire, SPAllaire, CAllbrooke, BMMAllen, BWAllport, PPAloisio, AAlonso, AAlonso, FAlpigiani, CAlshehri, AAAlstaty, MIGonzalez, B AlvarezPiqueras, D ÁlvarezAlviggi, MGAmadio, BTCoutinho, Y AmaralAmbroz, LAmelung, CAmidei, DDos Santos, SP AmorAmoroso, SAmrouche, CSAnastopoulos, CAncu, LSAndari, NAndeen, TAnders, CFAnders, JKAnderson, KJAndreazza, AAndrei, VAnelli, CRAngelidakis, SAngelozzi, IAngerami, AAnisenkov, AVAnnovi, AAntel, CAnthony, MTAntonelli, MAntrim, DJAAnulli, FAoki, MBella, L AperioArabidze, GArai, YAraque, JPFerraz, V AraujoPereira, R AraujoArce, ATHArdell, REArduh, FAArguin, J-FArgyropoulos, SArmbruster, AJArmitage, LJArmstrong, AArnaez, O2018-08-01A search for new resonances decaying into jets containing b-hadrons in pp collisions with the ATLAS detector at the LHC is presented in the dijet mass range from 0.57 to 7 TeV. The data set corresponds to an integrated luminosity of up to 36.1 fb-1 collected in 2015 and 2016 at s=13 TeV. No evidence of a significant excess of events above the smooth background shape is found. Upper cross-section limits and lower limits on the corresponding signal mass parameters for several types of signal hypotheses are provided at 95% C.L. In addition, 95% C.L. upper limits are set on the cross sections for new processes that would produce Gaussian-shaped signals in the di-b-jet mass distributions.5106 Nuclear and Plasma Physics (for-2020)5107 Particle and High Energy Physics (for-2020)51 Physical Sciences (for-2020)hep-exhep-exapplication/pdfCC-BYeScholarship, University of Californiahttps://escholarship.org/uc/item/43c8465ghttps://escholarship.org/content/qt43c8465g/qt43c8465g.pdfinfo:doi/10.1103/physrevd.98.032016articlePhysical Review D, vol 98, iss 3032016oai:escholarship.org:ark:/13030/qt35r1v5rn2026-04-04T12:06:07Zqt35r1v5rnMeasurement of jet fragmentation in Pb+Pb and pp collisions at sNN=5.02 TeV with the ATLAS detectorAaboud, MAad, GAbbott, BAbdinov, OAbeloos, BAbhayasinghe, DKAbidi, SHAbouZeid, OSAbraham, NLAbramowicz, HAbreu, HAbulaiti, YAcharya, BSAdachi, SAdamczyk, LAdelman, JAdersberger, MAdiguzel, AAdye, TAffolder, AAAfik, YAgheorghiesei, CAguilar-Saavedra, JAAhmadov, FAielli, GAkatsuka, SÅkesson, TPAAkilli, EAkimov, AVAlberghi, GLAlbert, JAlbicocco, PVerzini, MJ AlconadaAlderweireldt, SAleksa, MAleksandrov, INAlexa, CAlexopoulos, TAlhroob, MAli, BAlimonti, GAlison, JAlkire, SPAllaire, CAllbrooke, BMMAllen, BWAllport, PPAloisio, AAlonso, AAlonso, FAlpigiani, CAlshehri, AAAlstaty, MIGonzalez, B AlvarezPiqueras, D ÁlvarezAlviggi, MGAmadio, BTCoutinho, Y AmaralAmbroz, LAmelung, CAmidei, DDos Santos, SP AmorAmoroso, SAmrouche, CSAnastopoulos, CAncu, LSAndari, NAndeen, TAnders, CFAnders, JKAnderson, KJAndreazza, AAndrei, VAnelli, CRAngelidakis, SAngelozzi, IAngerami, AAnisenkov, AVAnnovi, AAntel, CAnthony, MTAntonelli, MAntrim, DJAAnulli, FAoki, MBella, L AperioArabidze, GAraque, JPFerraz, V AraujoPereira, R AraujoArce, ATHArdell, REArduh, FAArguin, J-FArgyropoulos, SArmbruster, AJArmitage, LJArmstrong, AArnaez, OArnold, H2018-08-01This paper presents a measurement of jet fragmentation functions in 0.49 nb-1 of Pb+Pb collisions and 25 pb-1 of pp collisions at sNN=5.02 TeV collected in 2015 with the ATLAS detector at the LHC. These measurements provide insight into the jet quenching process in the quark-gluon plasma created in the aftermath of ultrarelativistic collisions between two nuclei. The modifications to the jet fragmentation functions are quantified by dividing the measurements in Pb+Pb collisions by baseline measurements in pp collisions. This ratio is studied as a function of the transverse momentum of the jet, the jet rapidity, and the centrality of the collision. In both collision systems, the jet fragmentation functions are measured for jets with transverse momentum between 126 and 398 GeV and with an absolute value of jet rapidity less than 2.1. An enhancement of particles carrying a small fraction of the jet momentum is observed, which increases with centrality and with increasing jet transverse momentum. Yields of particles carrying a very large fraction of the jet momentum are also observed to be enhanced. Between these two enhancements of the fragmentation functions a suppression of particles carrying an intermediate fraction of the jet momentum is observed in Pb+Pb collisions. A small dependence of the modifications on jet rapidity is observed.5106 Nuclear and Plasma Physics (for-2020)5107 Particle and High Energy Physics (for-2020)51 Physical Sciences (for-2020)nucl-exnucl-exhep-ex5106 Nuclear and plasma physics (for-2020)application/pdfCC-BYeScholarship, University of Californiahttps://escholarship.org/uc/item/35r1v5rnhttps://escholarship.org/content/qt35r1v5rn/qt35r1v5rn.pdfinfo:doi/10.1103/physrevc.98.024908articlePhysical Review C, vol 98, iss 2024908oai:escholarship.org:ark:/13030/qt6xm6x07j2026-04-04T12:04:32Zqt6xm6x07jSearch for the Decay of the Higgs Boson to Charm Quarks with the ATLAS ExperimentAaboud, MAad, GAbbott, BAbdinov, OAbeloos, BAbidi, SHAbouZeid, OSAbraham, NLAbramowicz, HAbreu, HAbulaiti, YAcharya, BSAdachi, SAdamczyk, LAdelman, JAdersberger, MAdye, TAffolder, AAAfik, YAgheorghiesei, CAguilar-Saavedra, JAAhlen, SPAhmadov, FAielli, GAkatsuka, SÅkesson, TPAAkilli, EAkimov, AVAlberghi, GLAlbert, JAlbicocco, PVerzini, MJ AlconadaAlderweireldt, SAleksa, MAleksandrov, INAlexa, CAlexander, GAlexopoulos, TAlhroob, MAli, BAliev, MAlimonti, GAlison, JAlkire, SPAllaire, CAllbrooke, BMMAllen, BWAllport, PPAloisio, AAlonso, AAlonso, FAlpigiani, CAlshehri, AAAlstaty, MIGonzalez, B AlvarezPiqueras, D ÁlvarezAlviggi, MGAmadio, BTCoutinho, Y AmaralAmbroz, LAmelung, CAmidei, DDos Santos, SP AmorAmoroso, SAnastopoulos, CAncu, LSAndari, NAndeen, TAnders, CFAnders, JKAnderson, KJAndreazza, AAndrei, VAngelidakis, SAngelozzi, IAngerami, AAnisenkov, AVAnnovi, AAntel, CAntonelli, MAntonov, AAntrim, DJAnulli, FAoki, MBella, L AperioArabidze, GArai, YAraque, JPFerraz, V AraujoPereira, R AraujoArce, ATHArdell, REArduh, FAArguin, J-FArgyropoulos, SArmbruster, AJArmitage, LJArnaez, OArnold, HArratia, M2018-05-25A direct search for the standard model Higgs boson decaying to a pair of charm quarks is presented. Associated production of the Higgs and Z bosons, in the decay mode ZH→ℓ^{+}ℓ^{-}cc[over ¯] is studied. A data set with an integrated luminosity of 36.1 fb^{-1} of pp collisions at sqrt[s]=13TeV recorded by the ATLAS experiment at the LHC is used. The H→cc[over ¯] signature is identified using charm-tagging algorithms. The observed (expected) upper limit on σ(pp→ZH)×B(H→cc[over ¯]) is 2.7 (3.9_{-1.1}^{+2.1}) pb at the 95% confidence level for a Higgs boson mass of 125 GeV, while the standard model value is 26 fb.5106 Nuclear and Plasma Physics (for-2020)5107 Particle and High Energy Physics (for-2020)51 Physical Sciences (for-2020)ATLAS CollaborationATLAS Collaborationhep-exhep-ex01 Mathematical Sciences (for)02 Physical Sciences (for)09 Engineering (for)General Physics (science-metrix)40 Engineering (for-2020)49 Mathematical sciences (for-2020)51 Physical sciences (for-2020)publiceScholarship, University of Californiahttps://escholarship.org/uc/item/6xm6x07jinfo:doi/10.1103/physrevlett.120.211802articlePhysical Review Letters, vol 120, iss 21211802oai:escholarship.org:ark:/13030/qt8ht4k5js2026-04-04T12:04:21Zqt8ht4k5jsSearch for photonic signatures of gauge-mediated supersymmetry in 13 TeV pp collisions with the ATLAS detectorAaboud, MAad, GAbbott, BAbdinov, OAbeloos, BAbidi, SHAbouZeid, OSAbraham, NLAbramowicz, HAbreu, HAbulaiti, YAcharya, BSAdachi, SAdamczyk, LAdelman, JAdersberger, MAdye, TAffolder, AAAfik, YAgheorghiesei, CAguilar-Saavedra, JAAhlen, SPAhmadov, FAielli, GAkatsuka, SÅkesson, TPAAkilli, EAkimov, AVAlberghi, GLAlbert, JAlbicocco, PVerzini, MJ AlconadaAlderweireldt, SAleksa, MAleksandrov, INAlexa, CAlexander, GAlexopoulos, TAlhroob, MAli, BAliev, MAlimonti, GAlison, JAlkire, SPAllaire, CAllbrooke, BMMAllen, BWAllport, PPAloisio, AAlonso, AAlonso, FAlpigiani, CAlshehri, AAAlstaty, MIGonzalez, B AlvarezPiqueras, D ÁlvarezAlviggi, MGAmadio, BTCoutinho, Y AmaralAmbroz, LAmelung, CAmidei, DDos Santos, SP AmorAmoroso, SAnastopoulos, CAncu, LSAndari, NAndeen, TAnders, CFAnders, JKAnderson, KJAndreazza, AAndrei, VAngelidakis, SAngelozzi, IAngerami, AAnisenkov, AVAnnovi, AAntel, CAnthony, MTAntonelli, MAntonov, AAntrim, DJAnulli, FAoki, MBella, L AperioArabidze, GArai, YAraque, JPFerraz, V AraujoPereira, R AraujoArce, ATHArdell, REArduh, FAArguin, J-FArgyropoulos, SArmbruster, AJArmitage, LJArnaez, OArnold, H2018-05-01A search is presented for photonic signatures, motivated by generalized models of gauge-mediated supersymmetry breaking. This search makes use of proton-proton collision data at √s = 13 TeV corresponding to an integrated luminosity of 36.1 fb-1 recorded by the ATLAS detector at the LHC, and it explores models dominated by both strong and electroweak production of supersymmetric partner states. Experimental signatures incorporating an isolated photon and significant missing transverse momentum are explored. These signatures include events with an additional photon or additional jet activity not associated with any specific underlying quark flavor. No significant excess of events is observed above the Standard Model prediction, and 95% confidence-level upper limits of between 0.083 and 0.32 fb are set on the visible cross section of contributions from physics beyond the Standard Model. These results are interpreted in terms of lower limits on the masses of gluinos, squarks, and gauginos in the context of generalized models of gauge-mediated supersymmetry, which reach as high as 2.3 TeV for strongly produced and 1.3 TeV for weakly produced supersymmetric partner pairs.5106 Nuclear and Plasma Physics (for-2020)5107 Particle and High Energy Physics (for-2020)4902 Mathematical Physics (for-2020)49 Mathematical Sciences (for-2020)51 Physical Sciences (for-2020)hep-exhep-exapplication/pdfpubliceScholarship, University of Californiahttps://escholarship.org/uc/item/8ht4k5jshttps://escholarship.org/content/qt8ht4k5js/qt8ht4k5js.pdfinfo:doi/10.1103/physrevd.97.092006articlePhysical Review D, vol 97, iss 9092006oai:escholarship.org:ark:/13030/qt8k8296hn2026-04-04T12:04:10Zqt8k8296hnSearch for pair production of up-type vector-like quarks and for four-top-quark events in final states with multiple b-jets with the ATLAS detectorThe ATLAS collaborationAaboud, MAad, GAbbott, BAbdinov, OAbeloos, BAbidi, SHAbouZeid, OSAbraham, NLAbramowicz, HAbreu, HAbulaiti, YAcharya, BSAdachi, SAdamczyk, LAdelman, JAdersberger, MAdye, TAffolder, AAAfik, YAgheorghiesei, CAguilar-Saavedra, JAAhmadov, FAielli, GAkatsuka, SÅkesson, TPAAkilli, EAkimov, AVAlberghi, GLAlbert, JAlbicocco, PAlconada Verzini, MJAlderweireldt, SAleksa, MAleksandrov, INAlexa, CAlexander, GAlexopoulos, TAlhroob, MAli, BAliev, MAlimonti, GAlison, JAlkire, SPAllaire, CAllbrooke, BMMAllen, BWAllport, PPAloisio, AAlonso, AAlonso, FAlpigiani, CAlshehri, AAAlstaty, MIAlvarez Gonzalez, BÁlvarez Piqueras, DAlviggi, MGAmadio, BTAmaral Coutinho, YAmbroz, LAmelung, CAmidei, DAmor Dos Santos, SPAmoroso, SAmrouche, CSAnastopoulos, CAncu, LSAndari, NAndeen, TAnders, CFAnders, JKAnderson, KJAndreazza, AAndrei, VAngelidakis, SAngelozzi, IAngerami, AAnisenkov, AVAnnovi, AAntel, CAnthony, MTAntonelli, MAntrim, DJAAnulli, FAoki, MAperio Bella, LArabidze, GArai, YAraque, JPAraujo Ferraz, VAraujo Pereira, RArce, ATHArdell, REArduh, FAArguin, J-FArgyropoulos, SArmbruster, AJArmitage, LJArnaez, OArnold, H2018-07-01A search for pair production of up-type vector-like quarks (T) with a significant branching ratio into a top quark and either a Standard Model Higgs boson or a Z boson is presented. The same analysis is also used to search for four-top-quark production in several new physics scenarios. The search is based on a dataset of pp collisions at s=13 TeV recorded in 2015 and 2016 with the ATLAS detector at the CERN Large Hadron Collider and corresponds to an integrated luminosity of 36.1 fb-1. Data are analysed in the lepton+jets final state, characterised by an isolated electron or muon with high transverse momentum, large missing transverse momentum and multiple jets, as well as the jets + ETmiss final state, characterised by multiple jets and large missing transverse momentum. The search exploits the high multiplicity of jets identified as originating from b-quarks, and the presence of boosted, hadronically decaying top quarks and Higgs bosons reconstructed as large-radius jets, characteristic of signal events. No significant excess above the Standard Model expectation is observed, and 95% CL upper limits are set on the production cross sections for the different signal processes considered. These cross-section limits are used to derive lower limits on the mass of a vector-like T quark under several branching ratio hypotheses assuming contributions from T ? W b, Zt, Ht decays. The 95% CL observed lower limits on the T quark mass range between 0.99 TeV and 1.43 TeV for all possible values of the branching ratios into the three decay modes considered, significantly extending the reach beyond that of previous searches. Additionally, upper limits on anomalous four-top-quark production are set in the context of an effective field theory model, as well as in an universal extra dimensions model.[Figure not available: see fulltext.].5106 Nuclear and Plasma Physics (for-2020)5107 Particle and High Energy Physics (for-2020)51 Physical Sciences (for-2020)Beyond Standard ModelHadron-Hadron scattering (experiments)vector-like quarkshep-exhep-ex0105 Mathematical Physics (for)0202 AtomicMolecularNuclearParticle and Plasma Physics (for)0206 Quantum Physics (for)Nuclear & Particles Physics (science-metrix)4902 Mathematical physics (for-2020)5106 Nuclear and plasma physics (for-2020)5107 Particle and high energy physics (for-2020)publiceScholarship, University of Californiahttps://escholarship.org/uc/item/8k8296hninfo:doi/10.1007/jhep07(2018)089articleJournal of High Energy Physics, vol 2018, iss 789oai:escholarship.org:ark:/13030/qt26q109pp2026-04-04T12:03:52Zqt26q109ppSearch for long-lived charginos based on a disappearing-track signature in pp collisions at s=13 TeV with the ATLAS detectorThe ATLAS collaborationAaboud, MAad, GAbbott, BAbdinov, OAbeloos, BAbidi, SHAbouZeid, OSAbraham, NLAbramowicz, HAbreu, HAbreu, RAbulaiti, YAcharya, BSAdachi, SAdamczyk, LAdelman, JAdersberger, MAdye, TAffolder, AAAgatonovic-Jovin, TAgheorghiesei, CAguilar-Saavedra, JAAhlen, SPAhmadov, FAielli, GAkatsuka, SAkerstedt, HÅkesson, TPAAkilli, EAkimov, AVAlberghi, GLAlbert, JAlbicocco, PAlconada Verzini, MJAlderweireldt, SCAleksa, MAleksandrov, INAlexa, CAlexander, GAlexopoulos, TAlhroob, MAli, BAliev, MAlimonti, GAlison, JAlkire, SPAllbrooke, BMMAllen, BWAllport, PPAloisio, AAlonso, AAlonso, FAlpigiani, CAlshehri, AAAlstaty, MIAlvarez Gonzalez, BÁlvarez Piqueras, DAlviggi, MGAmadio, BTAmaral Coutinho, YAmelung, CAmidei, DAmor Dos Santos, SPAmorim, AAmoroso, SAmundsen, GAnastopoulos, CAncu, LSAndari, NAndeen, TAnders, CFAnders, JKAnderson, KJAndreazza, AAndrei, VAngelidakis, SAngelozzi, IAngerami, AAnisenkov, AVAnjos, NAnnovi, AAntel, CAntonelli, MAntonov, AAntrim, DJAnulli, FAoki, MAperio Bella, LArabidze, GArai, YAraque, JPAraujo Ferraz, VArce, ATHArdell, REArduh, FAArguin, J-FArgyropoulos, SArik, MArmbruster, AJ2018-06-01This paper presents a search for direct electroweak gaugino or gluino pair production with a chargino nearly mass-degenerate with a stable neutralino. It is based on an integrated luminosity of 36.1 fb−1 of pp collisions at s=13$$ \sqrt{s}=13 $$ TeV collected by the ATLAS experiment at the LHC. The final state of interest is a disappearing track accompanied by at least one jet with high transverse momentum from initial-state radiation or by four jets from the gluino decay chain. The use of short track segments reconstructed from the innermost tracking layers significantly improves the sensitivity to short chargino lifetimes. The results are found to be consistent with Standard Model predictions. Exclusion limits are set at 95% confidence level on the mass of charginos and gluinos for different chargino lifetimes. For a pure wino with a lifetime of about 0.2 ns, chargino masses up to 460 GeV are excluded. For the strong production channel, gluino masses up to 1.65 TeV are excluded assuming a chargino mass of 460 GeV and lifetime of 0.2 ns.5106 Nuclear and Plasma Physics (for-2020)5107 Particle and High Energy Physics (for-2020)51 Physical Sciences (for-2020)Hadron-Hadron scattering (experiments)hep-exhep-ex0105 Mathematical Physics (for)0202 AtomicMolecularNuclearParticle and Plasma Physics (for)0206 Quantum Physics (for)Nuclear & Particles Physics (science-metrix)4902 Mathematical physics (for-2020)5106 Nuclear and plasma physics (for-2020)5107 Particle and high energy physics (for-2020)application/pdfpubliceScholarship, University of Californiahttps://escholarship.org/uc/item/26q109pphttps://escholarship.org/content/qt26q109pp/qt26q109pp.pdfinfo:doi/10.1007/jhep06(2018)022articleJournal of High Energy Physics, vol 2018, iss 622oai:escholarship.org:ark:/13030/qt0n97m6b92026-04-04T12:03:40Zqt0n97m6b9Search for light resonances decaying to boosted quark pairs and produced in association with a photon or a jet in proton–proton collisions at s = 13 TeV with the ATLAS detectorCollaboration, The ATLASAaboud, MAad, GAbbott, BAbdinov, OAbeloos, BAbidi, SHAbouZeid, OSAbraham, NLAbramowicz, HAbreu, HAbreu, RAbulaiti, YAcharya, BSAdachi, SAdamczyk, LAdelman, JAdersberger, MAdye, TAffolder, AAAfik, YAgheorghiesei, CAguilar-Saavedra, JAAhmadov, FAielli, GAkatsuka, SAkerstedt, HÅkesson, TPAAkilli, EAkimov, AVAlberghi, GLAlbert, JAlbicocco, PVerzini, MJ AlconadaAlderweireldt, SAleksa, MAleksandrov, INAlexa, CAlexander, GAlexopoulos, TAlhroob, MAli, BAlimonti, GAlison, JAlkire, SPAllbrooke, BMMAllen, BWAllport, PPAloisio, AAlonso, AAlonso, FAlpigiani, CAlshehri, AAAlstaty, MIGonzalez, B AlvarezPiqueras, D ÁlvarezAlviggi, MGAmadio, BTCoutinho, Y AmaralAmelung, CAmidei, DDos Santos, SP AmorAmoroso, SAnastopoulos, CAncu, LSAndari, NAndeen, TAnders, CFAnders, JKAnderson, KJAndreazza, AAndrei, VAngelidakis, SAngelozzi, IAngerami, AAnisenkov, AVAnjos, NAnnovi, AAntel, CAntonelli, MAntonov, AAntrim, DJAAnulli, FAoki, MBella, L AperioArabidze, GArai, YAraque, JPFerraz, V AraujoArce, ATHArdell, REArduh, FAArguin, J-FArgyropoulos, SArik, MArmbruster, AJArmitage, LJArnaez, OArnold, HArratia, M2019-01-01This Letter presents a search for new light resonances decaying to pairs of quarks and produced in association with a high-pT photon or jet. The dataset consists of proton–proton collisions with an integrated luminosity of 36.1 fb−1 at a centre-of-mass energy of s=13 TeV recorded by the ATLAS detector at the Large Hadron Collider. Resonance candidates are identified as massive large-radius jets with substructure consistent with a particle decaying into a quark pair. The mass spectrum of the candidates is examined for local excesses above background. No evidence of a new resonance is observed in the data, which are used to exclude the production of a lepto-phobic axial-vector Z′ boson.5106 Nuclear and Plasma Physics (for-2020)5107 Particle and High Energy Physics (for-2020)51 Physical Sciences (for-2020)hep-exhep-ex0105 Mathematical Physics (for)0201 Astronomical and Space Sciences (for)0202 AtomicMolecularNuclearParticle and Plasma Physics (for)Nuclear & Particles Physics (science-metrix)49 Mathematical sciences (for-2020)51 Physical sciences (for-2020)publiceScholarship, University of Californiahttps://escholarship.org/uc/item/0n97m6b9info:doi/10.1016/j.physletb.2018.09.062articlePhysics Letters B, vol 788316 - 335oai:escholarship.org:ark:/13030/qt12m6c7hf2026-04-04T12:03:29Zqt12m6c7hfSearch for a Structure in the Bs0π± Invariant Mass Spectrum with the ATLAS ExperimentAaboud, MAad, GAbbott, BAbdinov, OAbeloos, BAbidi, SHAbouZeid, OSAbraham, NLAbramowicz, HAbreu, HAbulaiti, YAcharya, BSAdachi, SAdamczyk, LAdelman, JAdersberger, MAdye, TAffolder, AAAfik, YAgheorghiesei, CAguilar-Saavedra, JAAhlen, SPAhmadov, FAielli, GAkatsuka, SAkerstedt, HÅkesson, TPAAkilli, EAkimov, AVAlberghi, GLAlbert, JAlbicocco, PVerzini, MJ AlconadaAlderweireldt, SAleksa, MAleksandrov, INAlexa, CAlexander, GAlexopoulos, TAlhroob, MAli, BAliev, MAlimonti, GAlison, JAlkire, SPAllbrooke, BMMAllen, BWAllport, PPAloisio, AAlonso, AAlonso, FAlpigiani, CAlshehri, AAAlstaty, MIGonzalez, B AlvarezPiqueras, D ÁlvarezAlviggi, MGAmadio, BTCoutinho, Y AmaralAmelung, CAmidei, DDos Santos, SP AmorAmoroso, SAnastopoulos, CAncu, LSAndari, NAndeen, TAnders, CFAnders, JKAnderson, KJAndreazza, AAndrei, VAngelidakis, SAngelozzi, IAngerami, AAnisenkov, AVAnjos, NAnnovi, AAntel, CAntonelli, MAntonov, AAntrim, DJAnulli, FAoki, MBella, L AperioArabidze, GArai, YAraque, JPFerraz, V AraujoArce, ATHArdell, REArduh, FAArguin, J-FArgyropoulos, SArik, MArmbruster, AJArmitage, LJArnaez, OArnold, HArratia, M2018-05-18A search for the narrow structure, X(5568), reported by the D0 Collaboration in the decay sequence X→B_{s}^{0}π^{±}, B_{s}^{0}→J/ψϕ, is presented. The analysis is based on a data sample recorded with the ATLAS detector at the LHC corresponding to 4.9 fb^{-1} of pp collisions at 7 TeV and 19.5 fb^{-1} at 8 TeV. No significant signal was found. Upper limits on the number of signal events, with properties corresponding to those reported by D0, and on the X production rate relative to B_{s}^{0} mesons, ρ_{X}, were determined at 95% confidence level. The results are N(X)<382 and ρ_{X}<0.015 for B_{s}^{0} mesons with transverse momenta above 10 GeV, and N(X)<356 and ρ_{X}<0.016 for transverse momenta above 15 GeV. Limits are also set for potential B_{s}^{0}π^{±} resonances in the mass range 5550 to 5700 MeV.5106 Nuclear and Plasma Physics (for-2020)5107 Particle and High Energy Physics (for-2020)51 Physical Sciences (for-2020)ATLAS CollaborationATLAS Collaborationhep-exhep-ex01 Mathematical Sciences (for)02 Physical Sciences (for)09 Engineering (for)General Physics (science-metrix)40 Engineering (for-2020)49 Mathematical sciences (for-2020)51 Physical sciences (for-2020)publiceScholarship, University of Californiahttps://escholarship.org/uc/item/12m6c7hfinfo:doi/10.1103/physrevlett.120.202007articlePhysical Review Letters, vol 120, iss 20202007oai:escholarship.org:ark:/13030/qt9vv532752026-04-04T12:03:17Zqt9vv53275Search for Higgs boson decays to beyond-the-Standard-Model light bosons in four-lepton events with the ATLAS detector at s=13 TeVThe ATLAS collaborationAaboud, MAad, GAbbott, BAbdinov, OAbeloos, BAbidi, SHAbouZeid, OSAbraham, NLAbramowicz, HAbreu, HAbreu, RAbulaiti, YAcharya, BSAdachi, SAdamczyk, LAdelman, JAdersberger, MAdye, TAffolder, AAAfik, YAgatonovic-Jovin, TAgheorghiesei, CAguilar-Saavedra, JAAhlen, SPAhmadov, FAielli, GAkatsuka, SAkerstedt, HÅkesson, TPAAkilli, EAkimov, AVAlberghi, GLAlbert, JAlbicocco, PAlconada Verzini, MJAlderweireldt, SCAleksa, MAleksandrov, INAlexa, CAlexander, GAlexopoulos, TAlhroob, MAli, BAliev, MAlimonti, GAlison, JAlkire, SPAllbrooke, BMMAllen, BWAllport, PPAloisio, AAlonso, AAlonso, FAlpigiani, CAlshehri, AAAlstaty, MIAlvarez Gonzalez, BÁlvarez Piqueras, DAlviggi, MGAmadio, BTAmaral Coutinho, YAmelung, CAmidei, DAmor Dos Santos, SPAmoroso, SAmundsen, GAnastopoulos, CAncu, LSAndari, NAndeen, TAnders, CFAnders, JKAnderson, KJAndreazza, AAndrei, VAngelidakis, SAngelozzi, IAngerami, AAnisenkov, AVAnjos, NAnnovi, AAntel, CAntonelli, MAntonov, AAntrim, DJAnulli, FAoki, MAperio Bella, LArabidze, GArai, YAraque, JPAraujo Ferraz, VArce, ATHArdell, REArduh, FAArguin, J-FArgyropoulos, SArik, MArmbruster, AJ2018-06-01A search is conducted for a beyond-the-Standard-Model boson using events where a Higgs boson with mass 125 GeV decays to four leptons (ℓ = e or μ). This decay is presumed to occur via an intermediate state which contains one or two on-shell, promptly decaying bosons: H → ZX/XX → 4ℓ, where X is a new vector boson Zd or pseudoscalar a with mass between 1 and 60 GeV. The search uses pp collision data collected with the ATLAS detector at the LHC with an integrated luminosity of 36.1 fb−1 at a centre-of-mass energy s=13$$ \sqrt{s}=13 $$ TeV. No significant excess of events above Standard Model background predictions is observed; therefore, upper limits at 95% confidence level are set on modelindependent fiducial cross-sections, and on the Higgs boson decay branching ratios to vector and pseudoscalar bosons in two benchmark models.5106 Nuclear and Plasma Physics (for-2020)5107 Particle and High Energy Physics (for-2020)51 Physical Sciences (for-2020)Beyond Standard ModelHadron-Hadron scattering (experiments)hep-exhep-ex0105 Mathematical Physics (for)0202 AtomicMolecularNuclearParticle and Plasma Physics (for)0206 Quantum Physics (for)Nuclear & Particles Physics (science-metrix)4902 Mathematical physics (for-2020)5106 Nuclear and plasma physics (for-2020)5107 Particle and high energy physics (for-2020)application/pdfCC-BYeScholarship, University of Californiahttps://escholarship.org/uc/item/9vv53275https://escholarship.org/content/qt9vv53275/qt9vv53275.pdfinfo:doi/10.1007/jhep06(2018)166articleJournal of High Energy Physics, vol 2018, iss 6166oai:escholarship.org:ark:/13030/qt53c3r59q2026-04-04T12:02:58Zqt53c3r59qMeasurements of tt¯ differential cross-sections of highly boosted top quarks decaying to all-hadronic final states in pp collisions at s=13 TeV using the ATLAS detectorAaboud, MAad, GAbbott, BAbdinov, OAbeloos, BAbidi, SHAbouZeid, OSAbraham, NLAbramowicz, HAbreu, HAbulaiti, YAcharya, BSAdachi, SAdamczyk, LAdelman, JAdersberger, MAdye, TAffolder, AAAfik, YAgheorghiesei, CAguilar-Saavedra, JAAhmadov, FAielli, GAkatsuka, SAkerstedt, HÅkesson, TPAAkilli, EAkimov, AVAlberghi, GLAlbert, JAlbicocco, PVerzini, MJ AlconadaAlderweireldt, SAleksa, MAleksandrov, INAlexa, CAlexander, GAlexopoulos, TAlhroob, MAli, BAliev, MAlimonti, GAlison, JAlkire, SPAllbrooke, BMMAllen, BWAllport, PPAloisio, AAlonso, AAlonso, FAlpigiani, CAlshehri, AAAlstaty, MIGonzalez, B AlvarezPiqueras, D ÁlvarezAlviggi, MGAmadio, BTCoutinho, Y AmaralAmelung, CAmidei, DDos Santos, SP AmorAmoroso, SAnastopoulos, CAncu, LSAndari, NAndeen, TAnders, CFAnders, JKAnderson, KJAndreazza, AAndrei, VAngelidakis, SAngelozzi, IAngerami, AAnisenkov, AVAnjos, NAnnovi, AAntel, CAntonelli, MAntonov, AAntrim, DJAAnulli, FAoki, MBella, L AperioArabidze, GArai, YAraque, JPFerraz, V AraujoArce, ATHArdell, REArduh, FAArguin, J-FArgyropoulos, SArik, MArmbruster, AJArmitage, LJArnaez, OArnold, HArratia, MArslan, O2018-07-01Measurements are made of differential cross-sections of highly boosted pair-produced top quarks as a function of top-quark and tt. system kinematic observables using proton-proton collisions at a center-of-mass energy of s=13 TeV. The data set corresponds to an integrated luminosity of 36.1 fb-1, recorded in 2015 and 2016 with the ATLAS detector at the CERN Large Hadron Collider. Events with two large-radius jets in the final state, one with transverse momentum pT>500 GeV and a second with pT>350 GeV, are used for the measurement. The top-quark candidates are separated from the multijet background using jet substructure information and association with a b-tagged jet. The measured spectra are corrected for detector effects to a particle-level fiducial phase space and a parton-level limited phase space, and are compared to several Monte Carlo simulations by means of calculated χ2 values. The cross-section for tt. production in the fiducial phase-space region is 292±7(stat)±71(syst) fb, to be compared to the theoretical prediction of 384±36 fb.5106 Nuclear and Plasma Physics (for-2020)5107 Particle and High Energy Physics (for-2020)51 Physical Sciences (for-2020)hep-exhep-expubliceScholarship, University of Californiahttps://escholarship.org/uc/item/53c3r59qinfo:doi/10.1103/physrevd.98.012003articlePhysical Review D, vol 98, iss 1012003oai:escholarship.org:ark:/13030/qt9c83r7jn2026-04-04T12:02:43Zqt9c83r7jnMeasurement of the Soft-Drop Jet Mass in pp Collisions at s=13 TeV with the ATLAS DetectorAaboud, MAad, GAbbott, BAbdinov, OAbeloos, BAbidi, SHAbouZeid, OSAbraham, NLAbramowicz, HAbreu, HAbreu, RAbulaiti, YAcharya, BSAdachi, SAdamczyk, LAdelman, JAdersberger, MAdye, TAffolder, AAAfik, YAgheorghiesei, CAguilar-Saavedra, JAAhlen, SPAhmadov, FAielli, GAkatsuka, SAkerstedt, HÅkesson, TPAAkilli, EAkimov, AVAlberghi, GLAlbert, JAlbicocco, PVerzini, MJ AlconadaAlderweireldt, SCAleksa, MAleksandrov, INAlexa, CAlexander, GAlexopoulos, TAlhroob, MAli, BAliev, MAlimonti, GAlison, JAlkire, SPAllbrooke, BMMAllen, BWAllport, PPAloisio, AAlonso, AAlonso, FAlpigiani, CAlshehri, AAAlstaty, MIGonzalez, B AlvarezPiqueras, D ÁlvarezAlviggi, MGAmadio, BTCoutinho, Y AmaralAmelung, CAmidei, DDos Santos, SP AmorAmoroso, SAnastopoulos, CAncu, LSAndari, NAndeen, TAnders, CFAnders, JKAnderson, KJAndreazza, AAndrei, VAngelidakis, SAngelozzi, IAngerami, AAnisenkov, AVAnjos, NAnnovi, AAntel, CAntonelli, MAntonov, AAntrim, DJAnulli, FAoki, MBella, L AperioArabidze, GArai, YAraque, JPFerraz, V AraujoArce, ATHArdell, REArduh, FAArguin, J-FArgyropoulos, SArik, MArmbruster, AJArmitage, LJArnaez, OArnold, H2018-08-31Jet substructure observables have significantly extended the search program for physics beyond the standard model at the Large Hadron Collider. The state-of-the-art tools have been motivated by theoretical calculations, but there has never been a direct comparison between data and calculations of jet substructure observables that are accurate beyond leading-logarithm approximation. Such observables are significant not only for probing the collinear regime of QCD that is largely unexplored at a hadron collider, but also for improving the understanding of jet substructure properties that are used in many studies at the Large Hadron Collider. This Letter documents a measurement of the first jet substructure quantity at a hadron collider to be calculated at next-to-next-to-leading-logarithm accuracy. The normalized, differential cross section is measured as a function of log_{10}ρ^{2}, where ρ is the ratio of the soft-drop mass to the ungroomed jet transverse momentum. This quantity is measured in dijet events from 32.9 fb^{-1} of sqrt[s]=13 TeV proton-proton collisions recorded by the ATLAS detector. The data are unfolded to correct for detector effects and compared to precise QCD calculations and leading-logarithm particle-level Monte Carlo simulations.5106 Nuclear and Plasma Physics (for-2020)5107 Particle and High Energy Physics (for-2020)51 Physical Sciences (for-2020)ATLAS Collaborationhep-exhep-ex01 Mathematical Sciences (for)02 Physical Sciences (for)09 Engineering (for)General Physics (science-metrix)40 Engineering (for-2020)49 Mathematical sciences (for-2020)51 Physical sciences (for-2020)application/pdfCC-BYeScholarship, University of Californiahttps://escholarship.org/uc/item/9c83r7jnhttps://escholarship.org/content/qt9c83r7jn/qt9c83r7jn.pdfinfo:doi/10.1103/physrevlett.121.092001articlePhysical Review Letters, vol 121, iss 9092001oai:escholarship.org:ark:/13030/qt97n169mg2026-04-04T12:01:32Zqt97n169mgSearch for a new heavy gauge-boson resonance decaying into a lepton and missing transverse momentum in 36 fb-1 of pp collisions at s=13 TeV with the ATLAS experimentAaboud, MAad, GAbbott, BAbdinov, OAbeloos, BAbidi, SHAbouZeid, OSAbraham, NLAbramowicz, HAbreu, HAbreu, RAbulaiti, YAcharya, BSAdachi, SAdamczyk, LAdelman, JAdersberger, MAdye, TAffolder, AAAgatonovic-Jovin, TAgheorghiesei, CAguilar-Saavedra, JAAhlen, SPAhmadov, FAielli, GAkatsuka, SAkerstedt, HÅkesson, TPAAkilli, EAkimov, AVAlberghi, GLAlbert, JAlbicocco, PAlconada Verzini, MJAlderweireldt, SCAleksa, MAleksandrov, INAlexa, CAlexander, GAlexopoulos, TAlhroob, MAli, BAliev, MAlimonti, GAlison, JAlkire, SPAllbrooke, BMMAllen, BWAllport, PPAloisio, AAlonso, AAlonso, FAlpigiani, CAlshehri, AAAlstaty, MAlvarez Gonzalez, BÁlvarez Piqueras, DAlviggi, MGAmadio, BTAmaral Coutinho, YAmelung, CAmidei, DAmor Dos Santos, SPAmorim, AAmoroso, SAmundsen, GAnastopoulos, CAncu, LSAndari, NAndeen, TAnders, CFAnders, JKAnderson, KJAndreazza, AAndrei, VAngelidakis, SAngelozzi, IAngerami, AAnisenkov, AVAnjos, NAnnovi, AAntel, CAntonelli, MAntonov, AAntrim, DJAnulli, FAoki, MAperio Bella, LArabidze, GArai, YAraque, JPAraujo Ferraz, VArce, ATHArdell, REArduh, FAArguin, J-FArgyropoulos, SArik, MArmbruster, AJArmitage, LJ2018-05-01The results of a search for new heavy W′$$W^\prime $$ bosons decaying to an electron or muon and a neutrino using proton–proton collision data at a centre-of-mass energy of s=13$$\sqrt{s}~=~13$$ TeV are presented. The dataset was collected in 2015 and 2016 by the ATLAS experiment at the Large Hadron Collider and corresponds to an integrated luminosity of 36.1 fb-1$$\text{ fb }^{-1}$$. As no excess of events above the Standard Model prediction is observed, the results are used to set upper limits on the W′$$W^\prime $$ boson cross-section times branching ratio to an electron or muon and a neutrino as a function of the W′$$W^\prime $$ mass. Assuming a W′$$W^\prime $$ boson with the same couplings as the Standard Model W boson, W′$$W^\prime $$ masses below 5.1 TeV are excluded at the 95% confidence level.5106 Nuclear and Plasma Physics (for-2020)5107 Particle and High Energy Physics (for-2020)51 Physical Sciences (for-2020)ATLAS Collaborationhep-exhep-ex0202 AtomicMolecularNuclearParticle and Plasma Physics (for)0206 Quantum Physics (for)Nuclear & Particles Physics (science-metrix)5101 Astronomical sciences (for-2020)5102 Atomicmolecular and optical physics (for-2020)5107 Particle and high energy physics (for-2020)publiceScholarship, University of Californiahttps://escholarship.org/uc/item/97n169mginfo:doi/10.1140/epjc/s10052-018-5877-yarticleEuropean Physical Journal C, vol 78, iss 5401oai:escholarship.org:ark:/13030/qt2bh6r0142026-04-04T12:01:19Zqt2bh6r014Search for Low-Mass Dijet Resonances Using Trigger-Level Jets with the ATLAS Detector in pp Collisions at s=13 TeVAaboud, MAad, GAbbott, BAbdinov, OAbeloos, BAbidi, SHAbouZeid, OSAbraham, NLAbramowicz, HAbreu, HAbulaiti, YAcharya, BSAdachi, SAdamczyk, LAdelman, JAdersberger, MAdiguzel, AAdye, TAffolder, AAAfik, YAgheorghiesei, CAguilar-Saavedra, JAAhmadov, FAielli, GAkatsuka, SÅkesson, TPAAkilli, EAkimov, AVAlberghi, GLAlbert, JAlbicocco, PVerzini, MJ AlconadaAlderweireldt, SAleksa, MAleksandrov, INAlexa, CAlexander, GAlexopoulos, TAlhroob, MAli, BAlimonti, GAlison, JAlkire, SPAllaire, CAllbrooke, BMMAllen, BWAllport, PPAloisio, AAlonso, AAlonso, FAlpigiani, CAlshehri, AAAlstaty, MIGonzalez, B AlvarezPiqueras, D ÁlvarezAlviggi, MGAmadio, BTCoutinho, Y AmaralAmbroz, LAmelung, CAmidei, DDos Santos, SP AmorAmoroso, SAmrouche, CSAnastopoulos, CAncu, LSAndari, NAndeen, TAnders, CFAnders, JKAnderson, KJAndreazza, AAndrei, VAngelidakis, SAngelozzi, IAngerami, AAnisenkov, AVAnnovi, AAntel, CAnthony, MTAntonelli, MAntrim, DJAAnulli, FAoki, MBella, L AperioArabidze, GArai, YAraque, JPFerraz, V AraujoPereira, R AraujoArce, ATHArdell, REArduh, FAArguin, J-FArgyropoulos, SArmbruster, AJArmitage, LJArnaez, OArnold, HArratia, M2018-08-24Searches for dijet resonances with sub-TeV masses using the ATLAS detector at the Large Hadron Collider can be statistically limited by the bandwidth available to inclusive single-jet triggers, whose data-collection rates at low transverse momentum are much lower than the rate from standard model multijet production. This Letter describes a new search for dijet resonances where this limitation is overcome by recording only the event information calculated by the jet trigger algorithms, thereby allowing much higher event rates with reduced storage needs. The search targets low-mass dijet resonances in the range 450-1800 GeV. The analyzed data set has an integrated luminosity of up to 29.3 fb^{-1} and was recorded at a center-of-mass energy of 13 TeV. No excesses are found; limits are set on Gaussian-shaped contributions to the dijet mass distribution from new particles and on a model of dark-matter particles with axial-vector couplings to quarks.5106 Nuclear and Plasma Physics (for-2020)5107 Particle and High Energy Physics (for-2020)51 Physical Sciences (for-2020)ATLAS CollaborationATLAS CollaborationATLAS Collaborationhep-exhep-ex01 Mathematical Sciences (for)02 Physical Sciences (for)09 Engineering (for)General Physics (science-metrix)40 Engineering (for-2020)49 Mathematical sciences (for-2020)51 Physical sciences (for-2020)application/pdfCC-BYeScholarship, University of Californiahttps://escholarship.org/uc/item/2bh6r014https://escholarship.org/content/qt2bh6r014/qt2bh6r014.pdfinfo:doi/10.1103/physrevlett.121.081801articlePhysical Review Letters, vol 121, iss 8081801oai:escholarship.org:ark:/13030/qt9k17z9122026-04-04T12:01:07Zqt9k17z912Search for a heavy Higgs boson decaying into a Z boson and another heavy Higgs boson in the ℓℓbb final state in pp collisions at s = 13 TeV with the ATLAS detectorCollaboration, The ATLASAaboud, MAad, GAbbott, BAbdinov, OAbeloos, BAbidi, SHAbouZeid, OSAbraham, NLAbramowicz, HAbreu, HAbulaiti, YAcharya, BSAdachi, SAdamczyk, LAdelman, JAdersberger, MAdye, TAffolder, AAAfik, YAgheorghiesei, CAguilar-Saavedra, JAAhmadov, FAielli, GAkatsuka, SÅkesson, TPAAkilli, EAkimov, AVAlberghi, GLAlbert, JAlbicocco, PVerzini, MJ AlconadaAlderweireldt, SAleksa, MAleksandrov, INAlexa, CAlexander, GAlexopoulos, TAlhroob, MAli, BAliev, MAlimonti, GAlison, JAlkire, SPAllaire, CAllbrooke, BMMAllen, BWAllport, PPAloisio, AAlonso, AAlonso, FAlpigiani, CAlshehri, AAAlstaty, MIGonzalez, B AlvarezPiqueras, D ÁlvarezAlviggi, MGAmadio, BTCoutinho, Y AmaralAmbroz, LAmelung, CAmidei, DDos Santos, SP AmorAmoroso, SAmrouche, CSAnastopoulos, CAncu, LSAndari, NAndeen, TAnders, CFAnders, JKAnderson, KJAndreazza, AAndrei, VAngelidakis, SAngelozzi, IAngerami, AAnisenkov, AVAnnovi, AAntel, CAnthony, MTAntonelli, MAntrim, DJAAnulli, FAoki, MBella, L AperioArabidze, GArai, YAraque, JPFerraz, V AraujoPereira, R AraujoArce, ATHArdell, REArduh, FAArguin, J-FArgyropoulos, SArmbruster, AJArmitage, LJArnaez, OArnold, H2018-08-01A search for a heavy neutral Higgs boson, A, decaying into a Z boson and another heavy Higgs boson, H, is performed using a data sample corresponding to an integrated luminosity of 36.1 fb−1 from proton–proton collisions at s = 13 TeV recorded in 2015 and 2016 by the ATLAS detector at the Large Hadron Collider. The search considers the Z boson decaying to electrons or muons and the H boson into a pair of b-quarks. No evidence for the production of an A boson is found. Considering each production process separately, the 95% confidence-level upper limits on the p p → A → Z H production cross-section times the branching ratio H → b b are in the range of 14–830 fb for the gluon–gluon fusion process and 26–570 fb for the b-associated process for the mass ranges 130–700 GeV of the H boson and 230–800 GeV of the A boson. The results are interpreted in the context of two-Higgs-doublet models.5106 Nuclear and Plasma Physics (for-2020)5107 Particle and High Energy Physics (for-2020)51 Physical Sciences (for-2020)hep-exhep-ex0105 Mathematical Physics (for)0201 Astronomical and Space Sciences (for)0202 AtomicMolecularNuclearParticle and Plasma Physics (for)Nuclear & Particles Physics (science-metrix)49 Mathematical sciences (for-2020)51 Physical sciences (for-2020)publiceScholarship, University of Californiahttps://escholarship.org/uc/item/9k17z912info:doi/10.1016/j.physletb.2018.07.006articlePhysics Letters B, vol 783392 - 414oai:escholarship.org:ark:/13030/qt9c95v3p52026-04-04T12:00:55Zqt9c95v3p5Search for R-parity-violating supersymmetric particles in multi-jet final states produced in p–p collisions at s = 13 TeV using the ATLAS detector at the LHCCollaboration, The ATLASAaboud, MAad, GAbbott, BAbdinov, OAbeloos, BAbidi, SHAbouZeid, OSAbraham, NLAbramowicz, HAbreu, HAbulaiti, YAcharya, BSAdachi, SAdamczyk, LAdelman, JAdersberger, MAdye, TAffolder, AAAfik, YAgheorghiesei, CAguilar-Saavedra, JAAhmadov, FAielli, GAkatsuka, SÅkesson, TPAAkilli, EAkimov, AVAlberghi, GLAlbert, JAlbicocco, PVerzini, MJ AlconadaAlderweireldt, SAleksa, MAleksandrov, INAlexa, CAlexander, GAlexopoulos, TAlhroob, MAli, BAlimonti, GAlison, JAlkire, SPAllaire, CAllbrooke, BMMAllen, BWAllport, PPAloisio, AAlonso, AAlonso, FAlpigiani, CAlshehri, AAAlstaty, MIGonzalez, B AlvarezPiqueras, D ÁlvarezAlviggi, MGAmadio, BTCoutinho, Y AmaralAmbroz, LAmelung, CAmidei, DDos Santos, SP AmorAmoroso, SAnastopoulos, CAncu, LSAndari, NAndeen, TAnders, CFAnders, JKAnderson, KJAndreazza, AAndrei, VAngelidakis, SAngelozzi, IAngerami, AAnisenkov, AVAnnovi, AAntel, CAntonelli, MAntonov, AAntrim, DJAAnulli, FAoki, MBella, L AperioArabidze, GArai, YAraque, JPFerraz, V AraujoArce, ATHArdell, REArduh, FAArguin, J-FArgyropoulos, SArmbruster, AJArmitage, LJArnaez, OArnold, HArratia, MArslan, OArtamonov, A2018-10-01Results of a search for gluino pair production with subsequent R-parity-violating decays to quarks are presented. This search uses 36.1 fb−1 of data collected by the ATLAS detector in proton–proton collisions with a centre-of-mass energy of s = 13 TeV at the LHC. The analysis is performed using requirements on the number of jets and the number of jets tagged as containing a b-hadron as well as a topological observable formed by the scalar sum of masses of large-radius jets in the event. No significant excess above the expected Standard Model background is observed. Limits are set on the production of gluinos in models with the R-parity-violating decays of either the gluino itself (direct decay) or the neutralino produced in the R-parity-conserving gluino decay (cascade decay). In the gluino cascade decay model, gluino masses below 1850 GeV are excluded for 1000 GeV neutralino mass. For the gluino direct decay model, the 95% confidence level upper limit on the cross section times branching ratio varies between 0.80 fb at m g ˜ = 900 GeV and 0.011 fb at m g ˜ = 1800 GeV.5106 Nuclear and Plasma Physics (for-2020)5107 Particle and High Energy Physics (for-2020)4902 Mathematical Physics (for-2020)49 Mathematical Sciences (for-2020)51 Physical Sciences (for-2020)hep-exhep-ex0105 Mathematical Physics (for)0201 Astronomical and Space Sciences (for)0202 AtomicMolecularNuclearParticle and Plasma Physics (for)Nuclear & Particles Physics (science-metrix)49 Mathematical sciences (for-2020)51 Physical sciences (for-2020)application/pdfCC-BYeScholarship, University of Californiahttps://escholarship.org/uc/item/9c95v3p5https://escholarship.org/content/qt9c95v3p5/qt9c95v3p5.pdfinfo:doi/10.1016/j.physletb.2018.08.021articlePhysics Letters B, vol 785136 - 158oai:escholarship.org:ark:/13030/qt1k12x5s22026-04-04T12:00:45Zqt1k12x5s2Search for heavy resonances decaying into a W or Z boson and a Higgs boson in final states with leptons and b-jets in 36 fb−1 of s=13 TeV pp collisions with the ATLAS detectorThe ATLAS collaborationAaboud, MAad, GAbbott, BAbdinov, OAbeloos, BAbidi, SHAbouZeid, OSAbraham, NLAbramowicz, HAbreu, HAbreu, RAbulaiti, YAcharya, BSAdachi, SAdamczyk, LAdelman, JAdersberger, MAdye, TAffolder, AAAfik, YAgatonovic-Jovin, TAgheorghiesei, CAguilar-Saavedra, JAAhlen, SPAhmadov, FAielli, GAkatsuka, SAkerstedt, HÅkesson, TPAAkilli, EAkimov, AVAlberghi, GLAlbert, JAlbicocco, PAlconada Verzini, MJAlderweireldt, SCAleksa, MAleksandrov, INAlexa, CAlexander, GAlexopoulos, TAlhroob, MAli, BAliev, MAlimonti, GAlison, JAlkire, SPAllbrooke, BMMAllen, BWAllport, PPAloisio, AAlonso, AAlonso, FAlpigiani, CAlshehri, AAAlstaty, MIAlvarez Gonzalez, BÁlvarez Piqueras, DAlviggi, MGAmadio, BTAmaral Coutinho, YAmelung, CAmidei, DAmor Dos Santos, SPAmoroso, SAmundsen, GAnastopoulos, CAncu, LSAndari, NAndeen, TAnders, CFAnders, JKAnderson, KJAndreazza, AAndrei, VAngelidakis, SAngelozzi, IAngerami, AAnisenkov, AVAnjos, NAnnovi, AAntel, CAntonelli, MAntonov, AAntrim, DJAnulli, FAoki, MAperio Bella, LArabidze, GArai, YAraque, JPAraujo Ferraz, VArce, ATHArdell, REArduh, FAArguin, J-FArgyropoulos, SArik, MArmbruster, AJ2018-03-01A search is conducted for new resonances decaying into a W or Z boson and a 125 GeV Higgs boson in the νν¯bb¯$$
u \overline{
u}b\overline{b} $$, ℓ±νbb¯$$ {\ell}^{\pm}
u b\overline{b} $$, and ℓ+ℓ−bb¯$$ {\ell}^{+}{\ell}^{-}b\overline{b} $$ final states, where ℓ± = e± or μ±, in pp collisions at s=13$$ \sqrt{s}=13 $$ TeV. The data used correspond to a total integrated luminosity of 36.1 fb−1 collected with the ATLAS detector at the Large Hadron Collider during the 2015 and 2016 data-taking periods. The search is conducted by examining the reconstructed invariant or transverse mass distributions of W h and Zh candidates for evidence of a localised excess in the mass range of 220 GeV up to 5 TeV. No significant excess is observed and the results are interpreted in terms of constraints on the production cross-section times branching fraction of heavy W′ and Z′ resonances in heavy-vector-triplet models and the CP-odd scalar boson A in two-Higgs-doublet models. Upper limits are placed at the 95% confidence level and range between 9.0 × 10−4 pb and 7.3 × 10−1 pb depending on the model and mass of the resonance.5106 Nuclear and Plasma Physics (for-2020)5107 Particle and High Energy Physics (for-2020)51 Physical Sciences (for-2020)Beyond Standard ModelHadron-Hadron scattering (experiments)hep-exhep-ex0105 Mathematical Physics (for)0202 AtomicMolecularNuclearParticle and Plasma Physics (for)0206 Quantum Physics (for)Nuclear & Particles Physics (science-metrix)4902 Mathematical physics (for-2020)5106 Nuclear and plasma physics (for-2020)5107 Particle and high energy physics (for-2020)application/pdfCC-BYeScholarship, University of Californiahttps://escholarship.org/uc/item/1k12x5s2https://escholarship.org/content/qt1k12x5s2/qt1k12x5s2.pdfinfo:doi/10.1007/jhep03(2018)174articleJournal of High Energy Physics, vol 2018, iss 3174oai:escholarship.org:ark:/13030/qt3bp9t2b42026-04-04T12:00:34Zqt3bp9t2b4Search for High-Mass Resonances Decaying to τν in pp Collisions at s=13 TeV with the ATLAS DetectorAaboud, MAad, GAbbott, BAbdinov, OAbeloos, BAbidi, SHAbouZeid, OSAbraham, NLAbramowicz, HAbreu, HAbulaiti, YAcharya, BSAdachi, SAdamczyk, LAdelman, JAdersberger, MAdye, TAffolder, AAAfik, YAgheorghiesei, CAguilar-Saavedra, JAAhlen, SPAhmadov, FAielli, GAkatsuka, SÅkesson, TPAAkilli, EAkimov, AVAlberghi, GLAlbert, JAlbicocco, PVerzini, MJ AlconadaAlderweireldt, SAleksa, MAleksandrov, INAlexa, CAlexander, GAlexopoulos, TAlhroob, MAli, BAliev, MAlimonti, GAlison, JAlkire, SPAllaire, CAllbrooke, BMMAllen, BWAllport, PPAloisio, AAlonso, AAlonso, FAlpigiani, CAlshehri, AAAlstaty, MIGonzalez, B AlvarezPiqueras, D ÁlvarezAlviggi, MGAmadio, BTCoutinho, Y AmaralAmbroz, LAmelung, CAmidei, DDos Santos, SP AmorAmoroso, SAmrouche, CSAnastopoulos, CAncu, LSAndari, NAndeen, TAnders, CFAnders, JKAnderson, KJAndreazza, AAndrei, VAngelidakis, SAngelozzi, IAngerami, AAnisenkov, AVAnnovi, AAntel, CAnthony, MTAntonelli, MAntrim, DJAnulli, FAoki, MBella, L AperioArabidze, GArai, YAraque, JPFerraz, V AraujoPereira, R AraujoArce, ATHArdell, REArduh, FAArguin, J-FArgyropoulos, SArmbruster, AJArmitage, LJArnaez, OArnold, H2018-04-20A search for high-mass resonances decaying to τν using proton-proton collisions at sqrt[s]=13 TeV produced by the Large Hadron Collider is presented. Only τ-lepton decays with hadrons in the final state are considered. The data were recorded with the ATLAS detector and correspond to an integrated luminosity of 36.1 fb^{-1}. No statistically significant excess above the standard model expectation is observed; model-independent upper limits are set on the visible τν production cross section. Heavy W^{'} bosons with masses less than 3.7 TeV in the sequential standard model and masses less than 2.2-3.8 TeV depending on the coupling in the nonuniversal G(221) model are excluded at the 95% credibility level.5106 Nuclear and Plasma Physics (for-2020)5107 Particle and High Energy Physics (for-2020)51 Physical Sciences (for-2020)ATLAS Collaborationhep-exhep-ex01 Mathematical Sciences (for)02 Physical Sciences (for)09 Engineering (for)General Physics (science-metrix)40 Engineering (for-2020)49 Mathematical sciences (for-2020)51 Physical sciences (for-2020)application/pdfCC-BYeScholarship, University of Californiahttps://escholarship.org/uc/item/3bp9t2b4https://escholarship.org/content/qt3bp9t2b4/qt3bp9t2b4.pdfinfo:doi/10.1103/physrevlett.120.161802articlePhysical Review Letters, vol 120, iss 16161802oai:escholarship.org:ark:/13030/qt3c02m5kb2026-04-04T12:00:23Zqt3c02m5kbSearch for W ′ → tb decays in the hadronic final state using pp collisions at s = 13 TeV with the ATLAS detectorCollaboration, The ATLASAaboud, MAad, GAbbott, BAbdinov, OAbeloos, BAbidi, SHAbouZeid, OSAbraham, NLAbramowicz, HAbreu, HAbulaiti, YAcharya, BSAdachi, SAdamczyk, LAdelman, JAdersberger, MAdiguzel, AAdye, TAffolder, AAAfik, YAgheorghiesei, CAguilar-Saavedra, JAAhlen, SPAhmadov, FAielli, GAkatsuka, SÅkesson, TPAAkilli, EAkimov, AVAlberghi, GLAlbert, JAlbicocco, PVerzini, MJ AlconadaAlderweireldt, SAleksa, MAleksandrov, INAlexa, CAlexander, GAlexopoulos, TAlhroob, MAli, BAliev, MAlimonti, GAlison, JAlkire, SPAllaire, CAllbrooke, BMMAllen, BWAllport, PPAloisio, AAlonso, AAlonso, FAlpigiani, CAlshehri, AAAlstaty, MIGonzalez, B AlvarezPiqueras, D ÁlvarezAlviggi, MGAmadio, BTCoutinho, Y AmaralAmbroz, LAmelung, CAmidei, DDos Santos, SP AmorAmoroso, SAmrouche, CSAnastopoulos, CAncu, LSAndari, NAndeen, TAnders, CFAnders, JKAnderson, KJAndreazza, AAndrei, VAngelidakis, SAngelozzi, IAngerami, AAnisenkov, AVAnnovi, AAntel, CAnthony, MTAntonelli, MAntrim, DJAAnulli, FAoki, MBella, L AperioArabidze, GArai, YAraque, JPFerraz, V AraujoPereira, R AraujoArce, ATHArdell, REArduh, FAArguin, J-FArgyropoulos, SArmbruster, AJArmitage, LJ2018-06-01A search for W ′ -boson production in the W ′ → t b ¯ → q q ¯ ′ b b ¯ decay channel is presented using 36.1 fb − 1 of 13 TeV proton–proton collision data collected by the ATLAS detector at the Large Hadron Collider in 2015 and 2016. The search is interpreted in terms of both a left-handed and a right-handed chiral W ′ boson within the mass range 1–5 TeV. Identification of the hadronically decaying top quark is performed using jet substructure tagging techniques based on a shower deconstruction algorithm. No significant deviation from the Standard Model prediction is observed and the results are expressed as upper limits on the W ′ → t b ¯ production cross-section times branching ratio as a function of the W ′ -boson mass. These limits exclude W ′ bosons with right-handed couplings with masses below 3.0 TeV and W ′ bosons with left-handed couplings with masses below 2.9 TeV, at the 95% confidence level.5106 Nuclear and Plasma Physics (for-2020)5107 Particle and High Energy Physics (for-2020)51 Physical Sciences (for-2020)hep-exhep-ex0105 Mathematical Physics (for)0201 Astronomical and Space Sciences (for)0202 AtomicMolecularNuclearParticle and Plasma Physics (for)Nuclear & Particles Physics (science-metrix)49 Mathematical sciences (for-2020)51 Physical sciences (for-2020)application/pdfpubliceScholarship, University of Californiahttps://escholarship.org/uc/item/3c02m5kbhttps://escholarship.org/content/qt3c02m5kb/qt3c02m5kb.pdfinfo:doi/10.1016/j.physletb.2018.03.036articlePhysics Letters B, vol 781327 - 348oai:escholarship.org:ark:/13030/qt8026c9pv2026-04-04T12:00:11Zqt8026c9pvA search for resonances decaying into a Higgs boson and a new particle X in the XH → qqbb final state with the ATLAS detectorCollaboration, The ATLASAaboud, MAad, GAbbott, BAbdinov, OAbeloos, BAbidi, SHAbouZeid, OSAbraham, NLAbramowicz, HAbreu, HAbreu, RAbulaiti, YAcharya, BSAdachi, SAdamczyk, LAdelman, JAdersberger, MAdye, TAffolder, AAAfik, YAgheorghiesei, CAguilar-Saavedra, JAAhlen, SPAhmadov, FAielli, GAkatsuka, SAkerstedt, HÅkesson, TPAAkilli, EAkimov, AVAlberghi, GLAlbert, JAlbicocco, PVerzini, MJ AlconadaAlderweireldt, SCAleksa, MAleksandrov, INAlexa, CAlexander, GAlexopoulos, TAlhroob, MAli, BAliev, MAlimonti, GAlison, JAlkire, SPAllbrooke, BMMAllen, BWAllport, PPAloisio, AAlonso, AAlonso, FAlpigiani, CAlshehri, AAAlstaty, MIGonzalez, B AlvarezPiqueras, D ÁlvarezAlviggi, MGAmadio, BTCoutinho, Y AmaralAmelung, CAmidei, DDos Santos, SP AmorAmoroso, SAnastopoulos, CAncu, LSAndari, NAndeen, TAnders, CFAnders, JKAnderson, KJAndreazza, AAndrei, VAngelidakis, SAngelozzi, IAngerami, AAnisenkov, AVAnjos, NAnnovi, AAntel, CAntonelli, MAntonov, AAntrim, DJAnulli, FAoki, MBella, L AperioArabidze, GArai, YAraque, JPFerraz, V AraujoArce, ATHArdell, REArduh, FAArguin, J-FArgyropoulos, SArik, MArmbruster, AJArmitage, LJArnaez, O2018-04-01A search for heavy resonances decaying into a Higgs boson (H) and a new particle (X) is reported, utilizing 36.1 fb−1 of proton–proton collision data at s = 13 TeV collected during 2015 and 2016 with the ATLAS detector at the CERN Large Hadron Collider. The particle X is assumed to decay to a pair of light quarks, and the fully hadronic final state XH → q q ¯ ′ b b ¯ is analysed. The search considers the regime of high XH resonance masses, where the X and H bosons are both highly Lorentz-boosted and are each reconstructed using a single jet with large radius parameter. A two-dimensional phase space of XH mass versus X mass is scanned for evidence of a signal, over a range of XH resonance mass values between 1 TeV and 4 TeV, and for X particles with masses from 50 GeV to 1000 GeV. All search results are consistent with the expectations for the background due to Standard Model processes, and 95% CL upper limits are set, as a function of XH and X masses, on the production cross-section of the XH → q q ¯ ′ b b ¯ resonance.5106 Nuclear and Plasma Physics (for-2020)5107 Particle and High Energy Physics (for-2020)51 Physical Sciences (for-2020)hep-exhep-ex0105 Mathematical Physics (for)0201 Astronomical and Space Sciences (for)0202 AtomicMolecularNuclearParticle and Plasma Physics (for)Nuclear & Particles Physics (science-metrix)49 Mathematical sciences (for-2020)51 Physical sciences (for-2020)application/pdfCC-BYeScholarship, University of Californiahttps://escholarship.org/uc/item/8026c9pvhttps://escholarship.org/content/qt8026c9pv/qt8026c9pv.pdfinfo:doi/10.1016/j.physletb.2018.01.042articlePhysics Letters B, vol 77924 - 45oai:escholarship.org:ark:/13030/qt60x4388m2026-04-04T12:00:01Zqt60x4388mSearch for heavy ZZ resonances in the ℓ+ℓ-ℓ+ℓ- and ℓ+ℓ-νν¯ final states using proton–proton collisions at s=13 TeV with the ATLAS detectorAaboud, MAad, GAbbott, BAbdinov, OAbeloos, BAbidi, SHAbouZeid, OSAbraham, NLAbramowicz, HAbreu, HAbreu, RAbulaiti, YAcharya, BSAdachi, SAdamczyk, LAdelman, JAdersberger, MAdye, TAffolder, AAAfik, YAgatonovic-Jovin, TAgheorghiesei, CAguilar-Saavedra, JAAhlen, SPAhmadov, FAielli, GAkatsuka, SAkerstedt, HÅkesson, TPAAkilli, EAkimov, AVAlberghi, GLAlbert, JAlbicocco, PAlconada Verzini, MJAlderweireldt, SCAleksa, MAleksandrov, INAlexa, CAlexander, GAlexopoulos, TAlhroob, MAli, BAliev, MAlimonti, GAlison, JAlkire, SPAllbrooke, BMMAllen, BWAllport, PPAloisio, AAlonso, AAlonso, FAlpigiani, CAlshehri, AAAlstaty, MIAlvarez Gonzalez, BÁlvarez Piqueras, DAlviggi, MGAmadio, BTAmaral Coutinho, YAmelung, CAmidei, DAmor Dos Santos, SPAmoroso, SAnastopoulos, CAncu, LSAndari, NAndeen, TAnders, CFAnders, JKAnderson, KJAndreazza, AAndrei, VAngelidakis, SAngelozzi, IAngerami, AAnisenkov, AVAnjos, NAnnovi, AAntel, CAntonelli, MAntonov, AAntrim, DJAnulli, FAoki, MAperio Bella, LArabidze, GArai, YAraque, JPAraujo Ferraz, VArce, ATHArdell, REArduh, FAArguin, J-FArgyropoulos, SArik, MArmbruster, AJArmitage, LJArnaez, O2018-04-01A search for heavy resonances decaying into a pair of Z$$Z$$ bosons leading to ℓ+ℓ-ℓ+ℓ-$$\ell ^+\ell ^-\ell ^+\ell ^-$$ and ℓ+ℓ-νν¯$$\ell ^+\ell ^-
u \bar{
u }$$ final states, where ℓ$$\ell $$ stands for either an electron or a muon, is presented. The search uses proton–proton collision data at a centre-of-mass energy of 13 TeV$$\text {TeV}$$ corresponding to an integrated luminosity of 36.1 fb-1$$\hbox {fb}^{-1}$$ collected with the ATLAS detector during 2015 and 2016 at the Large Hadron Collider. Different mass ranges for the hypothetical resonances are considered, depending on the final state and model. The different ranges span between 200 and 2000 GeV$$\text {GeV}$$. The results are interpreted as upper limits on the production cross section of a spin-0 or spin-2 resonance. The upper limits for the spin-0 resonance are translated to exclusion contours in the context of Type-I and Type-II two-Higgs-doublet models, while those for the spin-2 resonance are used to constrain the Randall–Sundrum model with an extra dimension giving rise to spin-2 graviton excitations.5106 Nuclear and Plasma Physics (for-2020)5107 Particle and High Energy Physics (for-2020)51 Physical Sciences (for-2020)ATLAS Collaborationhep-exhep-ex0202 AtomicMolecularNuclearParticle and Plasma Physics (for)0206 Quantum Physics (for)Nuclear & Particles Physics (science-metrix)5101 Astronomical sciences (for-2020)5102 Atomicmolecular and optical physics (for-2020)5107 Particle and high energy physics (for-2020)application/pdfCC-BYeScholarship, University of Californiahttps://escholarship.org/uc/item/60x4388mhttps://escholarship.org/content/qt60x4388m/qt60x4388m.pdfinfo:doi/10.1140/epjc/s10052-018-5686-3articleEuropean Physical Journal C, vol 78, iss 4293oai:escholarship.org:ark:/13030/qt8rv073z72026-04-04T11:58:33Zqt8rv073z7Search for electroweak production of supersymmetric states in scenarios with compressed mass spectra at s=13 TeV with the ATLAS detectorAaboud, MAad, GAbbott, BAbdinov, OAbeloos, BAbidi, SHAbouZeid, OSAbraham, NLAbramowicz, HAbreu, HAbulaiti, YAcharya, BSAdachi, SAdamczyk, LAdelman, JAdersberger, MAdye, TAffolder, AAAfik, YAgheorghiesei, CAguilar-Saavedra, JAAhlen, SPAhmadov, FAielli, GAkatsuka, SÅkesson, TPAAkilli, EAkimov, AVAlberghi, GLAlbert, JAlbicocco, PVerzini, MJ AlconadaAlderweireldt, SCAleksa, MAleksandrov, INAlexa, CAlexander, GAlexopoulos, TAlhroob, MAli, BAliev, MAlimonti, GAlison, JAlkire, SPAllaire, CAllbrooke, BMMAllen, BWAllport, PPAloisio, AAlonso, AAlonso, FAlpigiani, CAlshehri, AAAlstaty, MIGonzalez, B AlvarezPiqueras, D ÁlvarezAlviggi, MGAmadio, BTCoutinho, Y AmaralAmbroz, LAmelung, CAmidei, DDos Santos, SP AmorAmoroso, SAnastopoulos, CAncu, LSAndari, NAndeen, TAnders, CFAnders, JKAnderson, KJAndreazza, AAndrei, VAngelidakis, SAngelozzi, IAngerami, AAnisenkov, AVAnnovi, AAntel, CAntonelli, MAntonov, AAntrim, DJAnulli, FAoki, MBella, L AperioArabidze, GArai, YAraque, JPFerraz, V AraujoPereira, R AraujoArce, ATHArdell, REArduh, FAArguin, J-FArgyropoulos, SArmbruster, AJArmitage, LJArnaez, OArnold, HArratia, M2018-03-01A search for electroweak production of supersymmetric particles in scenarios with compressed mass spectra in final states with two low-momentum leptons and missing transverse momentum is presented. This search uses proton-proton collision data recorded by the ATLAS detector at the Large Hadron Collider in 2015–2016, corresponding to 36.1 fb-1 of integrated luminosity at s=13 TeV. Events with same-flavor pairs of electrons or muons with opposite electric charge are selected. The data are found to be consistent with the Standard Model prediction. Results are interpreted using simplified models of R-parity-conserving supersymmetry in which there is a small mass difference between the masses of the produced supersymmetric particles and the lightest neutralino. Exclusion limits at 95% confidence level are set on next-to-lightest neutralino masses of up to 145 GeV for Higgsino production and 175 GeV for wino production, and slepton masses of up to 190 GeV for pair production of sleptons. In the compressed mass regime, the exclusion limits extend down to mass splittings of 2.5 GeV for Higgsino production, 2 GeV for wino production, and 1 GeV for slepton production. The results are also interpreted in the context of a radiatively-driven natural supersymmetry model with nonuniversal Higgs boson masses.5106 Nuclear and Plasma Physics (for-2020)5107 Particle and High Energy Physics (for-2020)51 Physical Sciences (for-2020)hep-exhep-exapplication/pdfCC-BYeScholarship, University of Californiahttps://escholarship.org/uc/item/8rv073z7https://escholarship.org/content/qt8rv073z7/qt8rv073z7.pdfinfo:doi/10.1103/physrevd.97.052010articlePhysical Review D, vol 97, iss 5052010oai:escholarship.org:ark:/13030/qt2gm0j07q2026-04-04T11:58:17Zqt2gm0j07qMeasurement of differential cross-sections of a single top quark produced in association with a W boson at s=13TeV with ATLASAaboud, MAad, GAbbott, BAbdinov, OAbeloos, BAbidi, SHAbouZeid, OSAbraham, NLAbramowicz, HAbreu, HAbulaiti, YAcharya, BSAdachi, SAdamczyk, LAdelman, JAdersberger, MAdye, TAffolder, AAAfik, YAgheorghiesei, CAguilar-Saavedra, JAAhlen, SPAhmadov, FAielli, GAkatsuka, SAkerstedt, HÅkesson, TPAAkilli, EAkimov, AVAlberghi, GLAlbert, JAlbicocco, PAlconada Verzini, MJAlderweireldt, SCAleksa, MAleksandrov, INAlexa, CAlexander, GAlexopoulos, TAlhroob, MAli, BAliev, MAlimonti, GAlison, JAlkire, SPAllbrooke, BMMAllen, BWAllport, PPAloisio, AAlonso, AAlonso, FAlpigiani, CAlshehri, AAAlstaty, MIAlvarez Gonzalez, BÁlvarez Piqueras, DAlviggi, MGAmadio, BTAmaral Coutinho, YAmelung, CAmidei, DAmor Dos Santos, SPAmoroso, SAnastopoulos, CAncu, LSAndari, NAndeen, TAnders, CFAnders, JKAnderson, KJAndreazza, AAndrei, VAngelidakis, SAngelozzi, IAngerami, AAnisenkov, AVAnjos, NAnnovi, AAntel, CAntonelli, MAntonov, AAntrim, DJAnulli, FAoki, MAperio Bella, LArabidze, GArai, YAraque, JPAraujo Ferraz, VArce, ATHArdell, REArduh, FAArguin, J-FArgyropoulos, SArik, MArmbruster, AJArmitage, LJArnaez, OArnold, HArratia, M2018-03-01The differential cross-section for the production of a W boson in association with a top quark is measured for several particle-level observables. The measurements are performed using 36.1 fb - 1 of pp collision data collected with the ATLAS detector at the LHC in 2015 and 2016. Differential cross-sections are measured in a fiducial phase space defined by the presence of two charged leptons and exactly one jet matched to a b-hadron, and are normalised with the fiducial cross-section. Results are found to be in good agreement with predictions from several Monte Carlo event generators.5106 Nuclear and Plasma Physics (for-2020)5107 Particle and High Energy Physics (for-2020)51 Physical Sciences (for-2020)ATLAS Collaborationhep-exhep-ex0202 AtomicMolecularNuclearParticle and Plasma Physics (for)0206 Quantum Physics (for)Nuclear & Particles Physics (science-metrix)5101 Astronomical sciences (for-2020)5102 Atomicmolecular and optical physics (for-2020)5107 Particle and high energy physics (for-2020)application/pdfpubliceScholarship, University of Californiahttps://escholarship.org/uc/item/2gm0j07qhttps://escholarship.org/content/qt2gm0j07q/qt2gm0j07q.pdfinfo:doi/10.1140/epjc/s10052-018-5649-8articleEuropean Physical Journal C, vol 78, iss 3186oai:escholarship.org:ark:/13030/qt8vf0c3sj2026-04-04T11:58:04Zqt8vf0c3sjMeasurement of quarkonium production in proton–lead and proton–proton collisions at 5.02TeV with the ATLAS detectorAaboud, MAad, GAbbott, BAbdallah, JAbdinov, OAbeloos, BAbidi, SHAbouZeid, OSAbraham, NLAbramowicz, HAbreu, HAbreu, RAbulaiti, YAcharya, BSAdachi, SAdamczyk, LAdelman, JAdersberger, MAdye, TAffolder, AAAgatonovic-Jovin, TAgheorghiesei, CAguilar-Saavedra, JAAhlen, SPAhmadov, FAielli, GAkatsuka, SAkerstedt, HÅkesson, TPAAkimov, AVAlberghi, GLAlbert, JAlconada Verzini, MJAleksa, MAleksandrov, INAlexa, CAlexander, GAlexopoulos, TAlhroob, MAli, BAliev, MAlimonti, GAlison, JAlkire, SPAllbrooke, BMMAllen, BWAllport, PPAloisio, AAlonso, AAlonso, FAlpigiani, CAlshehri, AAAlstaty, MIAlvarez Gonzalez, BÁlvarez Piqueras, DAlviggi, MGAmadio, BTAmaral Coutinho, YAmelung, CAmidei, DAmor Dos Santos, SPAmorim, AAmoroso, SAmundsen, GAnastopoulos, CAncu, LSAndari, NAndeen, TAnders, CFAnders, JKAnderson, KJAndreazza, AAndrei, VAngelidakis, SAngelozzi, IAngerami, AAnisenkov, AVAnjos, NAnnovi, AAntel, CAntonelli, MAntonov, AAntrim, DJAnulli, FAoki, MAperio Bella, LArabidze, GArai, YAraque, JPAraujo Ferraz, VArce, ATHArdell, REArduh, FAArguin, J-FArgyropoulos, SArik, MArmbruster, AJArmitage, LJArnaez, OArnold, H2018-03-01The modification of the production of J/ψ$$J/\psi $$, ψ(2S)$$\psi (2\mathrm {S})$$, and Υ(nS)$$\varUpsilon (n\mathrm {S})$$ (n=1,2,3$$n = 1, 2, 3$$) in p+Pb collisions with respect to their production in pp collisions has been studied. The p+Pb and pp datasets used in this paper correspond to integrated luminosities of 28nb-1$$28~\mathrm {nb}^{-1}$$ and 25pb-1$$25~\mathrm {pb}^{-1}$$ respectively, collected in 2013 and 2015 by the ATLAS detector at the LHC, both at a centre-of-mass energy per nucleon pair of 5.02 TeV. The quarkonium states are reconstructed in the dimuon decay channel. The yields of J/ψ$$J/\psi $$ and ψ(2S)$$\psi (\mathrm {2S})$$ are separated into prompt and non-prompt sources. The measured quarkonium differential cross sections are presented as a function of rapidity and transverse momentum, as is the nuclear modification factor, RpPb$$R_{p\mathrm {Pb}}$$ for J/ψ$$J/\psi $$ and Υ(nS)$$\varUpsilon (n\mathrm {S})$$. No significant modification of the J/ψ$$J/\psi $$ production is observed while Υ(nS)$$\varUpsilon (n\mathrm {S})$$ production is found to be suppressed at low transverse momentum in p+Pb collisions relative to pp collisions. The production of excited charmonium and bottomonium states is found to be suppressed relative to that of the ground states in central p+Pb collisions.5106 Nuclear and Plasma Physics (for-2020)5107 Particle and High Energy Physics (for-2020)51 Physical Sciences (for-2020)ATLAS Collaborationnucl-exnucl-exhep-ex0202 AtomicMolecularNuclearParticle and Plasma Physics (for)0206 Quantum Physics (for)Nuclear & Particles Physics (science-metrix)5101 Astronomical sciences (for-2020)5102 Atomicmolecular and optical physics (for-2020)5107 Particle and high energy physics (for-2020)application/pdfCC-BYeScholarship, University of Californiahttps://escholarship.org/uc/item/8vf0c3sjhttps://escholarship.org/content/qt8vf0c3sj/qt8vf0c3sj.pdfinfo:doi/10.1140/epjc/s10052-018-5624-4articleEuropean Physical Journal C, vol 78, iss 3171oai:escholarship.org:ark:/13030/qt4vv7s0272026-04-04T11:57:48Zqt4vv7s027Search for the direct production of charginos and neutralinos in final states with tau leptons in s=13TeVpp collisions with the ATLAS detectorAaboud, MAad, GAbbott, BAbdinov, OAbeloos, BAbidi, SHAbouZeid, OSAbraham, NLAbramowicz, HAbreu, HAbreu, RAbulaiti, YAcharya, BSAdachi, SAdamczyk, LAdelman, JAdersberger, MAdye, TAffolder, AAAfik, YAgatonovic-Jovin, TAgheorghiesei, CAguilar-Saavedra, JAAhlen, SPAhmadov, FAielli, GAkatsuka, SAkerstedt, HÅkesson, TPAAkilli, EAkimov, AVAlberghi, GLAlbert, JAlbicocco, PAlconada Verzini, MJAlderweireldt, SCAleksa, MAleksandrov, INAlexa, CAlexander, GAlexopoulos, TAlhroob, MAli, BAliev, MAlimonti, GAlison, JAlkire, SPAllbrooke, BMMAllen, BWAllport, PPAloisio, AAlonso, AAlonso, FAlpigiani, CAlshehri, AAAlstaty, MIAlvarez Gonzalez, BÁlvarez Piqueras, DAlviggi, MGAmadio, BTAmaral Coutinho, YAmelung, CAmidei, DAmor Dos Santos, SPAmoroso, SAmundsen, GAnastopoulos, CAncu, LSAndari, NAndeen, TAnders, CFAnders, JKAnderson, KJAndreazza, AAndrei, VAngelidakis, SAngelozzi, IAngerami, AAnisenkov, AVAnjos, NAnnovi, AAntel, CAntonelli, MAntonov, AAntrim, DJAnulli, FAoki, MAperio Bella, LArabidze, GArai, YAraque, JPAraujo Ferraz, VArce, ATHArdell, REArduh, FAArguin, J-FArgyropoulos, SArik, MArmbruster, AJArmitage, LJ2018-02-01A search for the direct production of charginos and neutralinos in final states with at least two hadronically decaying tau leptons is presented. The analysis uses a dataset of pp collisions corresponding to an integrated luminosity of 36.1 fb-1$$^{-1}$$, recorded with the ATLAS detector at the Large Hadron Collider at a centre-of-mass energy of 13 TeV. No significant deviation from the expected Standard Model background is observed. Limits are derived in scenarios of
pair production and of
and
production in simplified models where the neutralinos and charginos decay solely via intermediate left-handed staus and tau sneutrinos, and the mass of the τ~L$$\tilde{\tau }_{\mathrm L}$$ state is set to be halfway between the masses of the
and the
. Chargino masses up to 630 GeV are excluded at 95% confidence level in the scenario of direct production of
for a massless
. Common
and
masses up to 760 GeV are excluded in the case of production of
and
assuming a massless
. Exclusion limits for additional benchmark scenarios with large and small mass-splitting between the
and the
are also studied by varying the τ~L$$\tilde{\tau }_{\mathrm L}$$ mass between the masses of the
and the
.5106 Nuclear and Plasma Physics (for-2020)5107 Particle and High Energy Physics (for-2020)51 Physical Sciences (for-2020)ATLAS Collaborationhep-exhep-ex0202 AtomicMolecularNuclearParticle and Plasma Physics (for)0206 Quantum Physics (for)Nuclear & Particles Physics (science-metrix)5101 Astronomical sciences (for-2020)5102 Atomicmolecular and optical physics (for-2020)5107 Particle and high energy physics (for-2020)application/pdfCC-BYeScholarship, University of Californiahttps://escholarship.org/uc/item/4vv7s027https://escholarship.org/content/qt4vv7s027/qt4vv7s027.pdfinfo:doi/10.1140/epjc/s10052-018-5583-9articleEuropean Physical Journal C, vol 78, iss 2154oai:escholarship.org:ark:/13030/qt2mb9z13h2026-04-04T11:57:36Zqt2mb9z13hMeasurement of τ polarisation in Z/γ∗→ττ decays in proton–proton collisions at s=8 TeV with the ATLAS detectorAaboud, MAad, GAbbott, BAbdinov, OAbeloos, BAbidi, SHAbouZeid, OSAbraham, NLAbramowicz, HAbreu, HAbreu, RAbulaiti, YAcharya, BSAdachi, SAdamczyk, LAdelman, JAdersberger, MAdye, TAffolder, AAAfik, YAgatonovic-Jovin, TAgheorghiesei, CAguilar-Saavedra, JAAhlen, SPAhmadov, FAielli, GAkatsuka, SAkerstedt, HÅkesson, TPAAkilli, EAkimov, AVAlberghi, GLAlbert, JAlbicocco, PAlconada Verzini, MJAlderweireldt, SCAleksa, MAleksandrov, INAlexa, CAlexander, GAlexopoulos, TAlhroob, MAli, BAliev, MAlimonti, GAlison, JAlkire, SPAllbrooke, BMMAllen, BWAllport, PPAloisio, AAlonso, AAlonso, FAlpigiani, CAlshehri, AAAlstaty, MIAlvarez Gonzalez, BÁlvarez Piqueras, DAlviggi, MGAmadio, BTAmaral Coutinho, YAmelung, CAmidei, DAmor Dos Santos, SPAmoroso, SAmundsen, GAnastopoulos, CAncu, LSAndari, NAndeen, TAnders, CFAnders, JKAnderson, KJAndreazza, AAndrei, VAngelidakis, SAngelozzi, IAngerami, AAnisenkov, AVAnjos, NAnnovi, AAntel, CAntonelli, MAntonov, AAntrim, DJAnulli, FAoki, MAperio Bella, LArabidze, GArai, YAraque, JPAraujo Ferraz, VArce, ATHArdell, REArduh, FAArguin, J-FArgyropoulos, SArik, MArmbruster, AJArmitage, LJ2018-02-01This paper presents a measurement of the polarisation of τ$$\tau $$ leptons produced in Z/γ∗→ττ$$Z/\gamma ^{*}\rightarrow \tau \tau $$ decays which is performed with a dataset of proton—proton collisions at s=8$$\sqrt{s}=8$$ TeV, corresponding to an integrated luminosity of 20.2 fb-1$$^{-1}$$ recorded with the ATLAS detector at the LHC in 2012. The Z/γ∗→ττ$$Z/\gamma ^{*}\rightarrow \tau \tau $$ decays are reconstructed from a hadronically decaying τ$$\tau $$ lepton with a single charged particle in the final state, accompanied by a τ$$\tau $$ lepton that decays leptonically. The τ$$\tau $$ polarisation is inferred from the relative fraction of energy carried by charged and neutral hadrons in the hadronic τ$$\tau $$ decays. The polarisation is measured in a fiducial region that corresponds to the kinematic region accessible to this analysis. The τ$$\tau $$ polarisation extracted over the full phase space within the Z/γ∗$$Z/\gamma ^{*}$$ mass range of 665106 Nuclear and Plasma Physics (for-2020)5107 Particle and High Energy Physics (for-2020)51 Physical Sciences (for-2020)Dementia (rcdc)Acquired Cognitive Impairment (rcdc)Neurodegenerative (rcdc)Aging (rcdc)Alzheimer's Disease including Alzheimer's Disease Related Dementias (AD/ADRD) (rcdc)Neurosciences (rcdc)Brain Disorders (rcdc)Alzheimer's Disease (rcdc)ATLAS Collaborationhep-exhep-ex0202 AtomicMolecularNuclearParticle and Plasma Physics (for)0206 Quantum Physics (for)Nuclear & Particles Physics (science-metrix)5101 Astronomical sciences (for-2020)5102 Atomicmolecular and optical physics (for-2020)5107 Particle and high energy physics (for-2020)application/pdfpubliceScholarship, University of Californiahttps://escholarship.org/uc/item/2mb9z13hhttps://escholarship.org/content/qt2mb9z13h/qt2mb9z13h.pdfinfo:doi/10.1140/epjc/s10052-018-5619-1articleEuropean Physical Journal C, vol 78, iss 2163oai:escholarship.org:ark:/13030/qt4s3742v22026-04-04T11:57:24Zqt4s3742v2Measurement of long-range multiparticle azimuthal correlations with the subevent cumulant method in pp and p+Pb collisions with the ATLAS detector at the CERN Large Hadron ColliderAaboud, MAad, GAbbott, BAbdinov, OAbeloos, BAbidi, SHAbouZeid, OSAbraham, NLAbramowicz, HAbreu, HAbreu, RAbulaiti, YAcharya, BSAdachi, SAdamczyk, LAdelman, JAdersberger, MAdye, TAffolder, AAAfik, YAgatonovic-Jovin, TAgheorghiesei, CAguilar-Saavedra, JAAhlen, SPAhmadov, FAielli, GAkatsuka, SAkerstedt, HÅkesson, TPAAkilli, EAkimov, AVAlberghi, GLAlbert, JAlbicocco, PVerzini, MJ AlconadaAlderweireldt, SCAleksa, MAleksandrov, INAlexa, CAlexander, GAlexopoulos, TAlhroob, MAli, BAliev, MAlimonti, GAlison, JAlkire, SPAllbrooke, BMMAllen, BWAllport, PPAloisio, AAlonso, AAlonso, FAlpigiani, CAlshehri, AAAlstaty, MIGonzalez, B AlvarezPiqueras, D ÁlvarezAlviggi, MGAmadio, BTCoutinho, Y AmaralAmelung, CAmidei, DDos Santos, SP AmorAmoroso, SAmundsen, GAnastopoulos, CAncu, LSAndari, NAndeen, TAnders, CFAnders, JKAnderson, KJAndreazza, AAndrei, VAngelidakis, SAngelozzi, IAngerami, AAnisenkov, AVAnjos, NAnnovi, AAntel, CAntonelli, MAntonov, AAntrim, DJAnulli, FAoki, MBella, L AperioArabidze, GArai, YAraque, JPFerraz, V AraujoArce, ATHArdell, REArduh, FAArguin, J-FArgyropoulos, SArik, MArmbruster, AJArmitage, LJ2018-02-01A detailed study of multiparticle azimuthal correlations is presented using pp data at s=5.02 and 13 TeV, and p+Pb data at sNN=5.02 TeV, recorded with the ATLAS detector at the CERN Large Hadron Collider. The azimuthal correlations are probed using four-particle cumulants cn{4} and flow coefficients vn{4}=(−cn{4})1/4 for n=2 and 3, with the goal of extracting long-range multiparticle azimuthal correlation signals and suppressing the short-range correlations. The values of cn{4} are obtained as a function of the average number of charged particles per event, Nch, using the recently proposed two-subevent and three-subevent cumulant methods, and compared with results obtained with the standard cumulant method. The standard method is found to be strongly biased by short-range correlations, which originate mostly from jets with a positive contribution to cn{4}. The three-subevent method, on the other hand, is found to be least sensitive to short-range correlations. The three-subevent method gives a negative c2{4}, and therefore a well-defined v2{4}, nearly independent of Nch, which implies that the long-range multiparticle azimuthal correlations persist to events with low multiplicity. Furthermore, v2{4} is found to be smaller than the v2{2} measured using the two-particle correlation method, as expected for long-range collective behavior. Finally, the measured values of v2{4} and v2{2} are used to estimate the number of sources relevant for the initial eccentricity in the collision geometry. The results based on the subevent cumulant technique provide direct evidence, in small collision systems, for a long-range collectivity involving many particles distributed across a broad rapidity interval.5106 Nuclear and Plasma Physics (for-2020)5107 Particle and High Energy Physics (for-2020)51 Physical Sciences (for-2020)hep-exhep-exnucl-ex5106 Nuclear and plasma physics (for-2020)application/pdfpubliceScholarship, University of Californiahttps://escholarship.org/uc/item/4s3742v2https://escholarship.org/content/qt4s3742v2/qt4s3742v2.pdfinfo:doi/10.1103/physrevc.97.024904articlePhysical Review C, vol 97, iss 2024904oai:escholarship.org:ark:/13030/qt9s17g00h2026-04-04T11:57:14Zqt9s17g00hSearch for B-L R-parity-violating top squarks in s=13 TeV pp collisions with the ATLAS experimentAaboud, MAad, GAbbott, BAbdinov, OAbeloos, BAbidi, SHAbouZeid, OSAbraham, NLAbramowicz, HAbreu, HAbreu, RAbulaiti, YAcharya, BSAdachi, SAdamczyk, LAdelman, JAdersberger, MAdye, TAffolder, AAAfik, YAgatonovic-Jovin, TAgheorghiesei, CAguilar-Saavedra, JAAhlen, SPAhmadov, FAielli, GAkatsuka, SAkerstedt, HÅkesson, TPAAkilli, EAkimov, AVAlberghi, GLAlbert, JAlbicocco, PVerzini, MJ AlconadaAlderweireldt, SCAleksa, MAleksandrov, INAlexa, CAlexander, GAlexopoulos, TAlhroob, MAli, BAliev, MAlimonti, GAlison, JAlkire, SPAllbrooke, BMMAllen, BWAllport, PPAloisio, AAlonso, AAlonso, FAlpigiani, CAlshehri, AAAlstaty, MIGonzalez, B AlvarezPiqueras, D ÁlvarezAlviggi, MGAmadio, BTCoutinho, Y AmaralAmelung, CAmidei, DDos Santos, SP AmorAmoroso, SAmundsen, GAnastopoulos, CAncu, LSAndari, NAndeen, TAnders, CFAnders, JKAnderson, KJAndreazza, AAndrei, VAngelidakis, SAngelozzi, IAngerami, AAnisenkov, AVAnjos, NAnnovi, AAntel, CAntonelli, MAntonov, AAntrim, DJAnulli, FAoki, MBella, L AperioArabidze, GArai, YAraque, JPFerraz, V AraujoArce, ATHArdell, REArduh, FAArguin, J-FArgyropoulos, SArik, MArmbruster, AJArmitage, LJ2018-02-01A search is presented for the direct pair production of the stop, the supersymmetric partner of the top quark, that decays through an R-parity-violating coupling to a final state with two leptons and two jets, at least one of which is identified as a b-jet. The data set corresponds to an integrated luminosity of 36.1 fb-1 of proton-proton collisions at a center-of-mass energy of s=13 TeV, collected in 2015 and 2016 by the ATLAS detector at the LHC. No significant excess is observed over the Standard Model background, and exclusion limits are set on stop pair production at a 95% confidence level. Lower limits on the stop mass are set between 600 GeV and 1.5 TeV for branching ratios above 10% for decays to an electron or muon and a b-quark.5106 Nuclear and Plasma Physics (for-2020)5107 Particle and High Energy Physics (for-2020)51 Physical Sciences (for-2020)hep-exhep-exapplication/pdfpubliceScholarship, University of Californiahttps://escholarship.org/uc/item/9s17g00hhttps://escholarship.org/content/qt9s17g00h/qt9s17g00h.pdfinfo:doi/10.1103/physrevd.97.032003articlePhysical Review D, vol 97, iss 3032003oai:escholarship.org:ark:/13030/qt0zb4524g2026-04-04T11:57:04Zqt0zb4524gStudy of the material of the ATLAS inner detector for Run 2 of the LHCAaboud, MAad, GAbbott, BAbdallah, JAbdinov, OAbeloos, BAbidi, SHAbouZeid, OSAbraham, NLAbramowicz, HAbreu, HAbreu, RAbulaiti, YAcharya, BSAdachi, SAdamczyk, LAdelman, JAdersberger, MAdye, TAffolder, AAAgatonovic-Jovin, TAgheorghiesei, CAguilar-Saavedra, JAAhlen, SPAhmadov, FAielli, GAkatsuka, SAkerstedt, HÅkesson, TPAAkilli, EAkimov, AVAlberghi, GLAlbert, JAlbicocco, PVerzini, MJ AlconadaAleksa, MAleksandrov, INAlexa, CAlexander, GAlexopoulos, TAlhroob, MAli, BAliev, MAlimonti, GAlison, JAlkire, SPAllbrooke, BMMAllen, BWAllport, PPAloisio, AAlonso, AAlonso, FAlpigiani, CAlshehri, AAAlstaty, MGonzalez, B AlvarezPiqueras, D ÁlvarezAlviggi, MGAmadio, BTCoutinho, Y AmaralAmelung, CAmidei, DDos Santos, SP AmorAmorim, AAmoroso, SAmundsen, GAnastopoulos, CAncu, LSAndari, NAndeen, TAnders, CFAnders, JKAnderson, KJAndreazza, AAndrei, VAngelidakis, SAngelozzi, IAngerami, AAnisenkov, AVAnjos, NAnnovi, AAntel, CAntonelli, MAntonov, AAntrim, DJAnulli, FAoki, MBella, L AperioArabidze, GArai, YAraque, JPFerraz, V AraujoArce, ATHArdell, REArduh, FAArguin, J-FArgyropoulos, SArik, MArmbruster, AJArmitage, LJ2017-12-01The ATLAS inner detector comprises three different sub-detectors: the pixel detector, the silicon strip tracker, and the transition-radiation drift-tube tracker. The Insertable B-Layer, a new innermost pixel layer, was installed during the shutdown period in 2014, together with modifications to the layout of the cables and support structures of the existing pixel detector. The material in the inner detector is studied with several methods, using a low-luminosity √s=13 TeV pp collision sample corresponding to around 2.0 nb−1 collected in 2015 with the ATLAS experiment at the LHC. In this paper, the material within the innermost barrel region is studied using reconstructed hadronic interaction and photon conversion vertices. For the forward rapidity region, the material is probed by a measurement of the efficiency with which single tracks reconstructed from pixel detector hits alone can be extended with hits on the track in the strip layers. The results of these studies have been taken into account in an improved description of the material in the ATLAS inner detector simulation, resulting in a reduction in the uncertainties associated with the charged-particle reconstruction efficiency determined from simulation.5106 Nuclear and Plasma Physics (for-2020)5107 Particle and High Energy Physics (for-2020)51 Physical Sciences (for-2020)Detector modelling and simulations I (interaction of radiation with matterinteraction of photons with matterinteraction of hadrons with matter etc)Particle tracking detectorsPerformance of High Energy Physics Detectorshep-exhep-ex02 Physical Sciences (for)09 Engineering (for)Nuclear & Particles Physics (science-metrix)40 Engineering (for-2020)51 Physical sciences (for-2020)application/pdfpubliceScholarship, University of Californiahttps://escholarship.org/uc/item/0zb4524ghttps://escholarship.org/content/qt0zb4524g/qt0zb4524g.pdfinfo:doi/10.1088/1748-0221/12/12/p12009articleJournal of Instrumentation, vol 12, iss 12p12009 - p12009oai:escholarship.org:ark:/13030/qt4gh0k2wb2026-04-04T11:56:54Zqt4gh0k2wbDetermination of the strong coupling constant αs from transverse energy–energy correlations in multijet events at s=8TeV using the ATLAS detectorAaboud, MAad, GAbbott, BAbdallah, JAbdinov, OAbeloos, BAbidi, SHAbouZeid, OSAbraham, NLAbramowicz, HAbreu, HAbreu, RAbulaiti, YAcharya, BSAdachi, SAdamczyk, LAdelman, JAdersberger, MAdye, TAffolder, AAAgatonovic-Jovin, TAgheorghiesei, CAguilar-Saavedra, JAAhlen, SPAhmadov, FAielli, GAkatsuka, SAkerstedt, HÅkesson, TPAAkilli, EAkimov, AVAlberghi, GLAlbert, JAlbicocco, PAlconada Verzini, MJAleksa, MAleksandrov, INAlexa, CAlexander, GAlexopoulos, TAlhroob, MAli, BAliev, MAlimonti, GAlison, JAlkire, SPAllbrooke, BMMAllen, BWAllport, PPAloisio, AAlonso, AAlonso, FAlpigiani, CAlshehri, AAAlstaty, MIAlvarez Gonzalez, BÁlvarez Piqueras, DAlviggi, MGAmadio, BTAmaral Coutinho, YAmelung, CAmidei, DAmor Dos Santos, SPAmorim, AAmoroso, SAmundsen, GAnastopoulos, CAncu, LSAndari, NAndeen, TAnders, CFAnders, JKAnderson, KJAndreazza, AAndrei, VAngelidakis, SAngelozzi, IAngerami, AAnisenkov, AVAnjos, NAnnovi, AAntel, CAntonelli, MAntonov, AAntrim, DJAnulli, FAoki, MAperio Bella, LArabidze, GArai, YAraque, JPAraujo Ferraz, VArce, ATHArdell, REArduh, FAArguin, J-FArgyropoulos, SArik, MArmbruster, AJArmitage, LJ2017-12-01Measurements of transverse energy–energy correlations and their associated asymmetries in multi-jet events using the ATLAS detector at the LHC are presented. The data used correspond to s=8TeV$$\sqrt{s} = 8~\hbox {TeV}$$ proton–proton collisions with an integrated luminosity of 20.2fb-1$$~\hbox {fb}^{-1}$$. The results are presented in bins of the scalar sum of the transverse momenta of the two leading jets, unfolded to the particle level and compared to the predictions from Monte Carlo simulations. A comparison with next-to-leading-order perturbative QCD is also performed, showing excellent agreement within the uncertainties. From this comparison, the value of the strong coupling constant is extracted for different energy regimes, thus testing the running of αs(μ)$$\alpha _{\mathrm {s}}(\mu )$$ predicted in QCD up to scales over 1TeV$$1~\hbox {TeV}$$. A global fit to the transverse energy–energy correlation distributions yields αs(mZ)=0.1162±0.0011(exp.)-0.0070+0.0084(theo.)$$\alpha _{\mathrm {s}}(m_Z) = 0.1162 \pm 0.0011 \text{(exp.) }^{+0.0084}_{-0.0070} \text{(theo.) }$$, while a global fit to the asymmetry distributions yields a value of αs(mZ)=0.1196±0.0013(exp.)-0.0045+0.0075(theo.)$$\alpha _{\mathrm {s}}(m_Z) = 0.1196 \pm 0.0013 \text{(exp.) }^{+0.0075}_{-0.0045} \text{(theo.) }$$.5106 Nuclear and Plasma Physics (for-2020)5107 Particle and High Energy Physics (for-2020)51 Physical Sciences (for-2020)7 Affordable and Clean Energy (sdg)ATLAS Collaborationhep-exhep-ex0202 AtomicMolecularNuclearParticle and Plasma Physics (for)0206 Quantum Physics (for)Nuclear & Particles Physics (science-metrix)5101 Astronomical sciences (for-2020)5102 Atomicmolecular and optical physics (for-2020)5107 Particle and high energy physics (for-2020)application/pdfpubliceScholarship, University of Californiahttps://escholarship.org/uc/item/4gh0k2wbhttps://escholarship.org/content/qt4gh0k2wb/qt4gh0k2wb.pdfinfo:doi/10.1140/epjc/s10052-017-5442-0articleEuropean Physical Journal C, vol 77, iss 12872oai:escholarship.org:ark:/13030/qt1gd2b5sb2026-04-04T11:55:18Zqt1gd2b5sbSearch for new phenomena with large jet multiplicities and missing transverse momentum using large-radius jets and flavour-tagging at ATLAS in 13 TeV pp collisionsThe ATLAS collaborationAaboud, MAad, GAbbott, BAbdinov, OAbeloos, BAbidi, SHAbouZeid, OSAbraham, NLAbramowicz, HAbreu, HAbreu, RAbulaiti, YAcharya, BSAdachi, SAdamczyk, LAdelman, JAdersberger, MAdye, TAffolder, AAAfik, YAgatonovic-Jovin, TAgheorghiesei, CAguilar-Saavedra, JAAhlen, SPAhmadov, FAielli, GAkatsuka, SAkerstedt, HÅkesson, TPAAkilli, EAkimov, AVAlberghi, GLAlbert, JAlbicocco, PAlconada Verzini, MJAlderweireldt, SCAleksa, MAleksandrov, INAlexa, CAlexander, GAlexopoulos, TAlhroob, MAli, BAliev, MAlimonti, GAlison, JAlkire, SPAllbrooke, BMMAllen, BWAllport, PPAloisio, AAlonso, AAlonso, FAlpigiani, CAlshehri, AAAlstaty, MIAlvarez Gonzalez, BÁlvarez Piqueras, DAlviggi, MGAmadio, BTAmaral Coutinho, YAmelung, CAmidei, DAmor Dos Santos, SPAmoroso, SAmundsen, GAnastopoulos, CAncu, LSAndari, NAndeen, TAnders, CFAnders, JKAnderson, KJAndreazza, AAndrei, VAngelidakis, SAngelozzi, IAngerami, AAnisenkov, AVAnjos, NAnnovi, AAntel, CAntonelli, MAntonov, AAntrim, DJAnulli, FAoki, MAperio Bella, LArabidze, GArai, YAraque, JPAraujo Ferraz, VArce, ATHArdell, REArduh, FAArguin, J-FArgyropoulos, SArik, MArmbruster, AJ2017-12-01A search is presented for particles that decay producing a large jet multiplicity and invisible particles. The event selection applies a veto on the presence of isolated electrons or muons and additional requirements on the number of b-tagged jets and the scalar sum of masses of large-radius jets. Having explored the full ATLAS 2015-2016 dataset of LHC proton-proton collisions at s=13$$ \sqrt{s}=13 $$ TeV, which corresponds to 36.1 fb−1 of integrated luminosity, no evidence is found for physics beyond the Standard Model. The results are interpreted in the context of simplified models inspired by R-parity-conserving and R-parity-violating supersymmetry, where gluinos are pair-produced. More generic models within the phenomenological minimal supersymmetric Standard Model are also considered.5106 Nuclear and Plasma Physics (for-2020)5107 Particle and High Energy Physics (for-2020)51 Physical Sciences (for-2020)Beyond Standard ModelHadron-Hadron scattering (experiments)Super-symmetryhep-exhep-ex0105 Mathematical Physics (for)0202 AtomicMolecularNuclearParticle and Plasma Physics (for)0206 Quantum Physics (for)Nuclear & Particles Physics (science-metrix)4902 Mathematical physics (for-2020)5106 Nuclear and plasma physics (for-2020)5107 Particle and high energy physics (for-2020)application/pdfpubliceScholarship, University of Californiahttps://escholarship.org/uc/item/1gd2b5sbhttps://escholarship.org/content/qt1gd2b5sb/qt1gd2b5sb.pdfinfo:doi/10.1007/jhep12(2017)034articleJournal of High Energy Physics, vol 2017, iss 1234oai:escholarship.org:ark:/13030/qt3sz3k6rg2026-04-04T11:55:08Zqt3sz3k6rgSearch for diboson resonances with boson-tagged jets in pp collisions at s = 13 TeV with the ATLAS detectorCollaboration, The ATLASAaboud, MAad, GAbbott, BAbdinov, OAbeloos, BAbidi, SHAbouZeid, OSAbraham, NLAbramowicz, HAbreu, HAbreu, RAbulaiti, YAcharya, BSAdachi, SAdamczyk, LAdelman, JAdersberger, MAdye, TAffolder, AAAfik, YAgatonovic-Jovin, TAgheorghiesei, CAguilar-Saavedra, JAAhlen, SPAhmadov, FAielli, GAkatsuka, SAkerstedt, HÅkesson, TPAAkilli, EAkimov, AVAlberghi, GLAlbert, JAlbicocco, PVerzini, MJ AlconadaAlderweireldt, SCAleksa, MAleksandrov, INAlexa, CAlexander, GAlexopoulos, TAlhroob, MAli, BAliev, MAlimonti, GAlison, JAlkire, SPAllbrooke, BMMAllen, BWAllport, PPAloisio, AAlonso, AAlonso, FAlpigiani, CAlshehri, AAAlstaty, MIGonzalez, B AlvarezPiqueras, D ÁlvarezAlviggi, MGAmadio, BTCoutinho, Y AmaralAmelung, CAmidei, DDos Santos, SP AmorAmoroso, SAmundsen, GAnastopoulos, CAncu, LSAndari, NAndeen, TAnders, CFAnders, JKAnderson, KJAndreazza, AAndrei, VAngelidakis, SAngelozzi, IAngerami, AAnisenkov, AVAnjos, NAnnovi, AAntel, CAntonelli, MAntonov, AAntrim, DJAnulli, FAoki, MBella, L AperioArabidze, GArai, YAraque, JPFerraz, V AraujoArce, ATHArdell, REArduh, FAArguin, J-FArgyropoulos, SArik, MArmbruster, AJ2018-02-01Narrow resonances decaying into WW, WZ or ZZ boson pairs are searched for in 36.7 fb−1 of proton–proton collision data at a centre-of-mass energy of s = 13 TeV recorded with the ATLAS detector at the Large Hadron Collider in 2015 and 2016. The diboson system is reconstructed using pairs of large-radius jets with high transverse momentum and tagged as compatible with the hadronic decay of high-momentum W or Z bosons, using jet mass and substructure properties. The search is sensitive to diboson resonances with masses in the range 1.2–5.0 TeV. No significant excess is observed in any signal region. Exclusion limits are set at the 95% confidence level on the production cross section times branching ratio to dibosons for a range of theories beyond the Standard Model. Model-dependent lower limits on the mass of new gauge bosons are set, with the highest limit set at 3.5 TeV in the context of mass-degenerate resonances that couple predominantly to bosons.5106 Nuclear and Plasma Physics (for-2020)5107 Particle and High Energy Physics (for-2020)51 Physical Sciences (for-2020)hep-exhep-ex0105 Mathematical Physics (for)0201 Astronomical and Space Sciences (for)0202 AtomicMolecularNuclearParticle and Plasma Physics (for)Nuclear & Particles Physics (science-metrix)49 Mathematical sciences (for-2020)51 Physical sciences (for-2020)application/pdfpubliceScholarship, University of Californiahttps://escholarship.org/uc/item/3sz3k6rghttps://escholarship.org/content/qt3sz3k6rg/qt3sz3k6rg.pdfinfo:doi/10.1016/j.physletb.2017.12.011articlePhysics Letters B, vol 77791 - 113oai:escholarship.org:ark:/13030/qt2h83w4cn2026-04-04T11:54:56Zqt2h83w4cnMeasurements of top-quark pair differential cross-sections in the lepton+jets channel in pp collisions at s=13 TeV using the ATLAS detectorThe ATLAS collaborationAaboud, MAad, GAbbott, BAbdallah, JAbdinov, OAbeloos, BAbidi, SHAbouZeid, OSAbraham, NLAbramowicz, HAbreu, HAbreu, RAbulaiti, YAcharya, BSAdachi, SAdamczyk, LAdelman, JAdersberger, MAdye, TAffolder, AAAgatonovic-Jovin, TAgheorghiesei, CAguilar-Saavedra, JAAhlen, SPAhmadov, FAielli, GAkatsuka, SAkerstedt, HÅkesson, TPAAkilli, EAkimov, AVAlberghi, GLAlbert, JAlbicocco, PAlconada Verzini, MJAleksa, MAleksandrov, INAlexa, CAlexander, GAlexopoulos, TAlhroob, MAli, BAliev, MAlimonti, GAlison, JAlkire, SPAllbrooke, BMMAllen, BWAllport, PPAloisio, AAlonso, AAlonso, FAlpigiani, CAlshehri, AAAlstaty, MAlvarez Gonzalez, BÁlvarez Piqueras, DAlviggi, MGAmadio, BTAmaral Coutinho, YAmelung, CAmidei, DAmor Dos Santos, SPAmorim, AAmoroso, SAmundsen, GAnastopoulos, CAncu, LSAndari, NAndeen, TAnders, CFAnders, JKAnderson, KJAndreazza, AAndrei, VAngelidakis, SAngelozzi, IAngerami, AAnisenkov, AVAnjos, NAnnovi, AAntel, CAntonelli, MAntonov, AAntrim, DJAnulli, FAoki, MAperio Bella, LArabidze, GArai, YAraque, JPAraujo Ferraz, VArce, ATHArdell, REArduh, FAArguin, J-FArgyropoulos, SArik, MArmbruster, AJ2017-11-01Measurements of differential cross-sections of top-quark pair production in fiducial phase-spaces are presented as a function of top-quark and tt¯$$ t\overline{t} $$ system kinematic observables in proton-proton collisions at a centre-of-mass energy of s=13$$ \sqrt{s}=13 $$ TeV. The data set corresponds to an integrated luminosity of 3.2 fb−1, recorded in 2015 with the ATLAS detector at the CERN Large Hadron Collider. Events with exactly one electron or muon and at least two jets in the final state are used for the measurement. Two separate selections are applied that each focus on different top-quark momentum regions, referred to as resolved and boosted topologies of the tt¯$$ t\overline{t} $$ final state. The measured spectra are corrected for detector effects and are compared to several Monte Carlo simulations by means of calculated χ2 and p-values.5106 Nuclear and Plasma Physics (for-2020)5107 Particle and High Energy Physics (for-2020)51 Physical Sciences (for-2020)Hadron-Hadron scattering (experiments)hep-exhep-ex0105 Mathematical Physics (for)0202 AtomicMolecularNuclearParticle and Plasma Physics (for)0206 Quantum Physics (for)Nuclear & Particles Physics (science-metrix)4902 Mathematical physics (for-2020)5106 Nuclear and plasma physics (for-2020)5107 Particle and high energy physics (for-2020)application/pdfpubliceScholarship, University of Californiahttps://escholarship.org/uc/item/2h83w4cnhttps://escholarship.org/content/qt2h83w4cn/qt2h83w4cn.pdfinfo:doi/10.1007/jhep11(2017)191articleJournal of High Energy Physics, vol 2017, iss 11191oai:escholarship.org:ark:/13030/qt7070b5152026-04-04T11:54:47Zqt7070b515Measurement of differential cross sections of isolated-photon plus heavy-flavour jet production in pp collisions at s = 8 TeV using the ATLAS detectorCollaboration, The ATLASAaboud, MAad, GAbbott, BAbdinov, OAbeloos, BAbidi, SHAbouZeid, OSAbraham, NLAbramowicz, HAbreu, HAbreu, RAbulaiti, YAcharya, BSAdachi, SAdamczyk, LAdelman, JAdersberger, MAdye, TAffolder, AAAfik, YAgheorghiesei, CAguilar-Saavedra, JAAhlen, SPAhmadov, FAielli, GAkatsuka, SAkerstedt, HÅkesson, TPAAkilli, EAkimov, AVAlberghi, GLAlbert, JAlbicocco, PVerzini, MJ AlconadaAlderweireldt, SCAleksa, MAleksandrov, INAlexa, CAlexander, GAlexopoulos, TAlhroob, MAli, BAliev, MAlimonti, GAlison, JAlkire, SPAllbrooke, BMMAllen, BWAllport, PPAloisio, AAlonso, AAlonso, FAlpigiani, CAlshehri, AAAlstaty, MIGonzalez, B AlvarezPiqueras, D ÁlvarezAlviggi, MGAmadio, BTCoutinho, Y AmaralAmelung, CAmidei, DDos Santos, SP AmorAmoroso, SAnastopoulos, CAncu, LSAndari, NAndeen, TAnders, CFAnders, JKAnderson, KJAndreazza, AAndrei, VAngelidakis, SAngelozzi, IAngerami, AAnisenkov, AVAnjos, NAnnovi, AAntel, CAntonelli, MAntonov, AAntrim, DJAnulli, FAoki, MBella, L AperioArabidze, GArai, YAraque, JPFerraz, V AraujoArce, ATHArdell, REArduh, FAArguin, J-FArgyropoulos, SArik, MArmbruster, AJArmitage, LJArnaez, O2018-01-01This Letter presents the measurement of differential cross sections of isolated prompt photons produced in association with a b-jet or a c-jet. These final states provide sensitivity to the heavy-flavour content of the proton and aspects related to the modelling of heavy-flavour quarks in perturbative QCD. The measurement uses proton–proton collision data at a centre-of-mass energy of 8 TeV recorded by the ATLAS detector at the LHC in 2012 corresponding to an integrated luminosity of up to 20.2 fb−1. The differential cross sections are measured for each jet flavour with respect to the transverse energy of the leading photon in two photon pseudorapidity regions: | η γ | < 1.37 and 1.56 < | η γ | < 2.37 . The measurement covers photon transverse energies 25 < E T γ < 400 GeV and 25 < E T γ < 350 GeV respectively for the two | η γ | regions. For each jet flavour, the ratio of the cross sections in the two | η γ | regions is also measured. The measurement is corrected for detector effects and compared to leading-order and next-to-leading-order perturbative QCD calculations, based on various treatments and assumptions about the heavy-flavour content of the proton. Overall, the predictions agree well with the measurement, but some deviations are observed at high photon transverse energies. The total uncertainty in the measurement ranges between 13% and 66%, while the central γ + b measurement exhibits the smallest uncertainty, ranging from 13% to 27%, which is comparable to the precision of the theoretical predictions.5106 Nuclear and Plasma Physics (for-2020)5107 Particle and High Energy Physics (for-2020)4902 Mathematical Physics (for-2020)49 Mathematical Sciences (for-2020)51 Physical Sciences (for-2020)hep-exhep-ex0105 Mathematical Physics (for)0201 Astronomical and Space Sciences (for)0202 AtomicMolecularNuclearParticle and Plasma Physics (for)Nuclear & Particles Physics (science-metrix)49 Mathematical sciences (for-2020)51 Physical sciences (for-2020)application/pdfpubliceScholarship, University of Californiahttps://escholarship.org/uc/item/7070b515https://escholarship.org/content/qt7070b515/qt7070b515.pdfinfo:doi/10.1016/j.physletb.2017.11.054articlePhysics Letters B, vol 776295 - 317oai:escholarship.org:ark:/13030/qt64p0m6qs2026-04-04T11:54:36Zqt64p0m6qsMeasurement of lepton differential distributions and the top quark mass in tt¯ production in pp collisions at s=8 TeV with the ATLAS detectorAaboud, MAad, GAbbott, BAbdinov, OAbeloos, BAbidi, SHAbouZeid, OSAbraham, NLAbramowicz, HAbreu, HAbreu, RAbulaiti, YAcharya, BSAdachi, SAdamczyk, LAdelman, JAdersberger, MAdye, TAffolder, AAAfik, YAgatonovic-Jovin, TAgheorghiesei, CAguilar-Saavedra, JAAhlen, SPAhmadov, FAielli, GAkatsuka, SAkerstedt, HÅkesson, TPAAkilli, EAkimov, AVAlberghi, GLAlbert, JAlbicocco, PAlconada Verzini, MJAlderweireldt, SCAleksa, MAleksandrov, INAlexa, CAlexander, GAlexopoulos, TAlhroob, MAli, BAliev, MAlimonti, GAlison, JAlkire, SPAllbrooke, BMMAllen, BWAllport, PPAloisio, AAlonso, AAlonso, FAlpigiani, CAlshehri, AAAlstaty, MIAlvarez Gonzalez, BÁlvarez Piqueras, DAlviggi, MGAmadio, BTAmaral Coutinho, YAmelung, CAmidei, DAmor Dos Santos, SPAmoroso, SAmundsen, GAnastopoulos, CAncu, LSAndari, NAndeen, TAnders, CFAnders, JKAnderson, KJAndreazza, AAndrei, VAngelidakis, SAngelozzi, IAngerami, AAnisenkov, AVAnjos, NAnnovi, AAntel, CAntonelli, MAntonov, AAntrim, DJAnulli, FAoki, MAperio Bella, LArabidze, GArai, YAraque, JPAraujo Ferraz, VArce, ATHArdell, REArduh, FAArguin, J-FArgyropoulos, SArik, MArmbruster, AJArmitage, LJ2017-11-01This paper presents single lepton and dilepton kinematic distributions measured in dileptonic tt¯$$t\bar{t}$$ events produced in 20.2fb-1$$\hbox {fb}^{-1}$$ of s=8$$\sqrt{s}=8$$ TeV pp collisions recorded by the ATLAS experiment at the LHC. Both absolute and normalised differential cross-sections are measured, using events with an opposite-charge eμ$$e\mu $$ pair and one or two b-tagged jets. The cross-sections are measured in a fiducial region corresponding to the detector acceptance for leptons, and are compared to the predictions from a variety of Monte Carlo event generators, as well as fixed-order QCD calculations, exploring the sensitivity of the cross-sections to the gluon parton distribution function. Some of the distributions are also sensitive to the top quark pole mass; a combined fit of NLO fixed-order predictions to all the measured distributions yields a top quark mass value of mtpole=173.2±0.9±0.8±1.2$${m_t^{\mathrm {pole}}}=173.2\pm 0.9\pm 0.8\pm 1.2$$ GeV, where the three uncertainties arise from data statistics, experimental systematics, and theoretical sources.5106 Nuclear and Plasma Physics (for-2020)5107 Particle and High Energy Physics (for-2020)51 Physical Sciences (for-2020)ATLAS Collaborationhep-exhep-ex0202 AtomicMolecularNuclearParticle and Plasma Physics (for)0206 Quantum Physics (for)Nuclear & Particles Physics (science-metrix)5101 Astronomical sciences (for-2020)5102 Atomicmolecular and optical physics (for-2020)5107 Particle and high energy physics (for-2020)application/pdfpubliceScholarship, University of Californiahttps://escholarship.org/uc/item/64p0m6qshttps://escholarship.org/content/qt64p0m6qs/qt64p0m6qs.pdfinfo:doi/10.1140/epjc/s10052-017-5349-9articleEuropean Physical Journal C, vol 77, iss 11804oai:escholarship.org:ark:/13030/qt6dn798qz2026-04-04T11:54:25Zqt6dn798qzMeasurement of the cross-section for electroweak production of dijets in association with a Z boson in pp collisions at s = 13 TeV with the ATLAS detectorCollaboration, The ATLASAaboud, MAad, GAbbott, BAbdinov, OAbeloos, BAbidi, SHAbouZeid, OSAbraham, NLAbramowicz, HAbreu, HAbreu, RAbulaiti, YAcharya, BSAdachi, SAdamczyk, LAdelman, JAdersberger, MAdye, TAffolder, AAAfik, YAgatonovic-Jovin, TAgheorghiesei, CAguilar-Saavedra, JAAhlen, SPAhmadov, FAielli, GAkatsuka, SAkerstedt, HÅkesson, TPAAkilli, EAkimov, AVAlberghi, GLAlbert, JAlbicocco, PVerzini, MJ AlconadaAlderweireldt, SCAleksa, MAleksandrov, INAlexa, CAlexander, GAlexopoulos, TAlhroob, MAli, BAliev, MAlimonti, GAlison, JAlkire, SPAllbrooke, BMMAllen, BWAllport, PPAloisio, AAlonso, AAlonso, FAlpigiani, CAlshehri, AAAlstaty, MIGonzalez, B AlvarezPiqueras, D ÁlvarezAlviggi, MGAmadio, BTCoutinho, Y AmaralAmelung, CAmidei, DDos Santos, SP AmorAmoroso, SAmundsen, GAnastopoulos, CAncu, LSAndari, NAndeen, TAnders, CFAnders, JKAnderson, KJAndreazza, AAndrei, VAngelidakis, SAngelozzi, IAngerami, AAnisenkov, AVAnjos, NAnnovi, AAntel, CAntonelli, MAntonov, AAntrim, DJAnulli, FAoki, MBella, L AperioArabidze, GArai, YAraque, JPFerraz, V AraujoArce, ATHArdell, REArduh, FAArguin, J-FArgyropoulos, SArik, MArmbruster, AJ2017-12-01The cross-section for the production of two jets in association with a leptonically decaying Z boson (Zjj ) is measured in proton–proton collisions at a centre-of-mass energy of 13 TeV, using data recorded with the ATLAS detector at the Large Hadron Collider, corresponding to an integrated luminosity of 3.2 fb−1. The electroweak Zjj cross-section is extracted in a fiducial region chosen to enhance the electroweak contribution relative to the dominant Drell–Yan Zjj process, which is constrained using a data-driven approach. The measured fiducial electroweak cross-section is σ EW Z j j = 119 ± 16 ( s t a t . ) ± 20 ( s y s t . ) ± 2 ( l u m i . ) fb for dijet invariant mass greater than 250 GeV, and 34.2 ± 5.8 ( s t a t . ) ± 5.5 ( s y s t . ) ± 0.7 ( l u m i . ) fb for dijet invariant mass greater than 1 TeV. Standard Model predictions are in agreement with the measurements. The inclusive Zjj cross-section is also measured in six different fiducial regions with varying contributions from electroweak and Drell–Yan Zjj production.5106 Nuclear and Plasma Physics (for-2020)5107 Particle and High Energy Physics (for-2020)51 Physical Sciences (for-2020)hep-exhep-ex0105 Mathematical Physics (for)0201 Astronomical and Space Sciences (for)0202 AtomicMolecularNuclearParticle and Plasma Physics (for)Nuclear & Particles Physics (science-metrix)49 Mathematical sciences (for-2020)51 Physical sciences (for-2020)application/pdfpubliceScholarship, University of Californiahttps://escholarship.org/uc/item/6dn798qzhttps://escholarship.org/content/qt6dn798qz/qt6dn798qz.pdfinfo:doi/10.1016/j.physletb.2017.10.040articlePhysics Letters B, vol 775206 - 228oai:escholarship.org:ark:/13030/qt8208b2xj2026-04-04T11:54:14Zqt8208b2xjSearch for new high-mass phenomena in the dilepton final state using 36 fb−1 of proton-proton collision data at s=13 TeV with the ATLAS detectorThe ATLAS collaborationAaboud, MAad, GAbbott, BAbdinov, OAbeloos, BAbidi, SHAbouZeid, OSAbraham, NLAbramowicz, HAbreu, HAbreu, RAbulaiti, YAcharya, BSAdachi, SAdamczyk, LAdelman, JAdersberger, MAdye, TAffolder, AAAgatonovic-Jovin, TAgheorghiesei, CAguilar-Saavedra, JAAhlen, SPAhmadov, FAielli, GAkatsuka, SAkerstedt, HÅkesson, TPAAkilli, EAkimov, AVAlberghi, GLAlbert, JAlbicocco, PAlconada Verzini, MJAlderweireldt, SCAleksa, MAleksandrov, INAlexa, CAlexander, GAlexopoulos, TAlhroob, MAli, BAliev, MAlimonti, GAlison, JAlkire, SPAllbrooke, BMMAllen, BWAllport, PPAloisio, AAlonso, AAlonso, FAlpigiani, CAlshehri, AAAlstaty, MIAlvarez Gonzalez, BÁlvarez Piqueras, DAlviggi, MGAmadio, BTAmaral Coutinho, YAmelung, CAmidei, DAmor Dos Santos, SPAmorim, AAmoroso, SAmundsen, GAnastopoulos, CAncu, LSAndari, NAndeen, TAnders, CFAnders, JKAnderson, KJAndreazza, AAndrei, VAngelidakis, SAngelozzi, IAngerami, AAnisenkov, AVAnjos, NAnnovi, AAntel, CAntonelli, MAntonov, AAntrim, DJAnulli, FAoki, MAperio Bella, LArabidze, GArai, YAraque, JPAraujo Ferraz, VArce, ATHArdell, REArduh, FAArguin, J-FArgyropoulos, SArik, MArmbruster, AJ2017-10-01A search is conducted for new resonant and non-resonant high-mass phenomena in dielectron and dimuon final states. The search uses 36.1 fb−1 of proton-proton collision data, collected at s=13 TeV by the ATLAS experiment at the LHC in 2015 and 2016. No significant deviation from the Standard Model prediction is observed. Upper limits at 95% credibility level are set on the cross-section times branching ratio for resonances decaying into dileptons, which are converted to lower limits on the resonance mass, up to 4.1 TeV for the E6-motivated Zχ ′. Lower limits on the qqℓℓ contact interaction scale are set between 2.4 TeV and 40 TeV, depending on the model.5106 Nuclear and Plasma Physics (for-2020)5107 Particle and High Energy Physics (for-2020)51 Physical Sciences (for-2020)Beyond Standard ModelHadron-Hadron scattering (experiments)Beyond Standard ModelHadron-Hadron scattering (experiments)hep-exhep-ex0105 Mathematical Physics (for)0202 AtomicMolecularNuclearParticle and Plasma Physics (for)0206 Quantum Physics (for)Nuclear & Particles Physics (science-metrix)4902 Mathematical physics (for-2020)5106 Nuclear and plasma physics (for-2020)5107 Particle and high energy physics (for-2020)application/pdfCC-BYeScholarship, University of Californiahttps://escholarship.org/uc/item/8208b2xjhttps://escholarship.org/content/qt8208b2xj/qt8208b2xj.pdfinfo:doi/10.1007/jhep10(2017)182articleJournal of High Energy Physics, vol 2017, iss 10182oai:escholarship.org:ark:/13030/qt596480nt2026-04-04T11:54:02Zqt596480ntSearch for Heavy Higgs Bosons A/H Decaying to a Top Quark Pair in pp Collisions at s=8 TeV with the ATLAS DetectorAaboud, MAad, GAbbott, BAbdinov, OAbeloos, BAbidi, SHAbouZeid, OSAbraham, NLAbramowicz, HAbreu, HAbreu, RAbulaiti, YAcharya, BSAdachi, SAdamczyk, LAdelman, JAdersberger, MAdye, TAffolder, AAAgatonovic-Jovin, TAgheorghiesei, CAguilar-Saavedra, JAAhlen, SPAhmadov, FAielli, GAkatsuka, SAkerstedt, HÅkesson, TPAAkilli, EAkimov, AVAlberghi, GLAlbert, JAlbicocco, PVerzini, MJ AlconadaAlderweireldt, SCAleksa, MAleksandrov, INAlexa, CAlexander, GAlexopoulos, TAlhroob, MAli, BAliev, MAlimonti, GAlison, JAlkire, SPAllbrooke, BMMAllen, BWAllport, PPAloisio, AAlonso, AAlonso, FAlpigiani, CAlshehri, AAAlstaty, MIGonzalez, B AlvarezPiqueras, D ÁlvarezAlviggi, MGAmadio, BTCoutinho, Y AmaralAmelung, CAmidei, DDos Santos, SP AmorAmoroso, SAmundsen, GAnastopoulos, CAncu, LSAndari, NAndeen, TAnders, CFAnders, JKAnderson, KJAndreazza, AAndrei, VAngelidakis, SAngelozzi, IAngerami, AAnisenkov, AVAnjos, NAnnovi, AAntel, CAntonelli, MAntonov, AAntrim, DJAnulli, FAoki, MBella, L AperioArabidze, GArai, YAraque, JPFerraz, V AraujoArce, ATHArdell, REArduh, FAArguin, J-FArgyropoulos, SArik, MArmbruster, AJArmitage, LJArnaez, O2017-11-10A search for heavy pseudoscalar (A) and scalar (H) Higgs bosons decaying into a top quark pair (tt[over ¯]) has been performed with 20.3 fb^{-1} of proton-proton collision data collected by the ATLAS experiment at the Large Hadron Collider at a center-of-mass energy sqrt[s]=8 TeV. Interference effects between the signal process and standard model tt[over ¯] production, which are expected to distort the signal shape from a single peak to a peak-dip structure, are taken into account. No significant deviation from the standard model prediction is observed in the tt[over ¯] invariant mass spectrum in final states with an electron or muon, large missing transverse momentum, and at least four jets. The results are interpreted within the context of a type-II two-Higgs-doublet model. Exclusion limits on the signal strength are derived as a function of the mass m_{A/H} and the ratio of the vacuum expectation values of the two Higgs fields, tanβ, for m_{A/H}>500 GeV.5106 Nuclear and Plasma Physics (for-2020)5107 Particle and High Energy Physics (for-2020)51 Physical Sciences (for-2020)ATLAS CollaborationATLAS CollaborationATLAS CollaborationATLAS Collaborationhep-exhep-ex01 Mathematical Sciences (for)02 Physical Sciences (for)09 Engineering (for)General Physics (science-metrix)40 Engineering (for-2020)49 Mathematical sciences (for-2020)51 Physical sciences (for-2020)application/pdfCC-BYeScholarship, University of Californiahttps://escholarship.org/uc/item/596480nthttps://escholarship.org/content/qt596480nt/qt596480nt.pdfinfo:doi/10.1103/physrevlett.119.191803articlePhysical Review Letters, vol 119, iss 19191803oai:escholarship.org:ark:/13030/qt0zw2033p2026-04-04T11:53:51Zqt0zw2033pSearch for new phenomena in high-mass diphoton final states using 37 fb−1 of proton–proton collisions collected at s=13 TeV with the ATLAS detectorCollaboration, The ATLASAaboud, MAad, GAbbott, BAbdinov, OAbeloos, BAbidi, SHAbouZeid, OSAbraham, NLAbramowicz, HAbreu, HAbreu, RAbulaiti, YAcharya, BSAdachi, SAdamczyk, LAdelman, JAdersberger, MAdye, TAffolder, AAAfik, YAgatonovic-Jovin, TAgheorghiesei, CAguilar-Saavedra, JAAhlen, SPAhmadov, FAielli, GAkatsuka, SAkerstedt, HÅkesson, TPAAkilli, EAkimov, AVAlberghi, GLAlbert, JAlbicocco, PVerzini, MJ AlconadaAlderweireldt, SCAleksa, MAleksandrov, INAlexa, CAlexander, GAlexopoulos, TAlhroob, MAli, BAliev, MAlimonti, GAlison, JAlkire, SPAllbrooke, BMMAllen, BWAllport, PPAloisio, AAlonso, AAlonso, FAlpigiani, CAlshehri, AAAlstaty, MIGonzalez, B AlvarezPiqueras, D ÁlvarezAlviggi, MGAmadio, BTCoutinho, Y AmaralAmelung, CAmidei, DDos Santos, SP AmorAmoroso, SAmundsen, GAnastopoulos, CAncu, LSAndari, NAndeen, TAnders, CFAnders, JKAnderson, KJAndreazza, AAndrei, VAngelidakis, SAngelozzi, IAngerami, AAnisenkov, AVAnjos, NAnnovi, AAntel, CAntonelli, MAntonov, AAntrim, DJAnulli, FAoki, MBella, L AperioArabidze, GArai, YAraque, JPFerraz, V AraujoArce, ATHArdell, REArduh, FAArguin, J-FArgyropoulos, SArik, MArmbruster, AJ2017-12-01Searches for new phenomena in high-mass diphoton final states with the ATLAS experiment at the LHC are presented. The analysis is based on pp collision data corresponding to an integrated luminosity of 36.7 fb−1 at a centre-of-mass energy s=13 TeV recorded in 2015 and 2016. Searches are performed for resonances with spin 0, as predicted by theories with an extended Higgs sector, and for resonances with spin 2, using a warped extra-dimension model as a benchmark model, as well as for non-resonant signals, assuming a large extra-dimension scenario. No significant deviation from the Standard Model is observed. Upper limits are placed on the production cross section times branching ratio to two photons as a function of the resonance mass. In addition, lower limits are set on the ultraviolet cutoff scale in the large extra-dimensions model.5106 Nuclear and Plasma Physics (for-2020)5107 Particle and High Energy Physics (for-2020)51 Physical Sciences (for-2020)hep-exhep-ex0105 Mathematical Physics (for)0201 Astronomical and Space Sciences (for)0202 AtomicMolecularNuclearParticle and Plasma Physics (for)Nuclear & Particles Physics (science-metrix)49 Mathematical sciences (for-2020)51 Physical sciences (for-2020)application/pdfpubliceScholarship, University of Californiahttps://escholarship.org/uc/item/0zw2033phttps://escholarship.org/content/qt0zw2033p/qt0zw2033p.pdfinfo:doi/10.1016/j.physletb.2017.10.039articlePhysics Letters B, vol 775105 - 125oai:escholarship.org:ark:/13030/qt9bc4f2122026-04-04T11:53:42Zqt9bc4f212Search for Dark Matter Produced in Association with a Higgs Boson Decaying to bb¯ Using 36 fb-1 of pp Collisions at s=13 TeV with the ATLAS DetectorAaboud, MAad, GAbbott, BAbdinov, OAbeloos, BAbidi, SHAbouZeid, OSAbraham, NLAbramowicz, HAbreu, HAbreu, RAbulaiti, YAcharya, BSAdachi, SAdamczyk, LAdelman, JAdersberger, MAdye, TAffolder, AAAgatonovic-Jovin, TAgheorghiesei, CAguilar-Saavedra, JAAhlen, SPAhmadov, FAielli, GAkatsuka, SAkerstedt, HÅkesson, TPAAkilli, EAkimov, AVAlberghi, GLAlbert, JAlbicocco, PVerzini, MJ AlconadaAlderweireldt, SCAleksa, MAleksandrov, INAlexa, CAlexander, GAlexopoulos, TAlhroob, MAli, BAliev, MAlimonti, GAlison, JAlkire, SPAllbrooke, BMMAllen, BWAllport, PPAloisio, AAlonso, AAlonso, FAlpigiani, CAlshehri, AAAlstaty, MIGonzalez, B AlvarezPiqueras, D ÁlvarezAlviggi, MGAmadio, BTCoutinho, Y AmaralAmelung, CAmidei, DDos Santos, SP AmorAmorim, AAmoroso, SAmundsen, GAnastopoulos, CAncu, LSAndari, NAndeen, TAnders, CFAnders, JKAnderson, KJAndreazza, AAndrei, VAngelidakis, SAngelozzi, IAngerami, AAnisenkov, AVAnjos, NAnnovi, AAntel, CAntonelli, MAntonov, AAntrim, DJAnulli, FAoki, MBella, L AperioArabidze, GArai, YAraque, JPFerraz, V AraujoArce, ATHArdell, REArduh, FAArguin, J-FArgyropoulos, SArik, MArmbruster, AJArmitage, LJ2017-11-03Several extensions of the standard model predict associated production of dark-matter particles with a Higgs boson. Such processes are searched for in final states with missing transverse momentum and a Higgs boson decaying to a bb[over ¯] pair with the ATLAS detector using 36.1 fb^{-1} of pp collisions at a center-of-mass energy of 13 TeV at the LHC. The observed data are in agreement with the standard model predictions and limits are placed on the associated production of dark-matter particles and a Higgs boson.5106 Nuclear and Plasma Physics (for-2020)5107 Particle and High Energy Physics (for-2020)51 Physical Sciences (for-2020)ATLAS CollaborationATLAS CollaborationATLAS CollaborationATLAS Collaborationhep-exhep-ex01 Mathematical Sciences (for)02 Physical Sciences (for)09 Engineering (for)General Physics (science-metrix)40 Engineering (for-2020)49 Mathematical sciences (for-2020)51 Physical sciences (for-2020)application/pdfCC-BYeScholarship, University of Californiahttps://escholarship.org/uc/item/9bc4f212https://escholarship.org/content/qt9bc4f212/qt9bc4f212.pdfinfo:doi/10.1103/physrevlett.119.181804articlePhysical Review Letters, vol 119, iss 18181804oai:escholarship.org:ark:/13030/qt2w36f21m2026-04-04T11:49:06Zqt2w36f21mMeasurement of the W+W− production cross section in pp collisions at a centre-of-mass energy of s=13 TeV with the ATLAS experimentCollaboration, The ATLASAaboud, MAad, GAbbott, BAbdallah, JAbdinov, OAbeloos, BAben, RAbouZeid, OSAbraham, NLAbramowicz, HAbreu, HAbreu, RAbulaiti, YAcharya, BSAdachi, SAdamczyk, LAdams, DLAdelman, JAdomeit, SAdye, TAffolder, AAAgatonovic-Jovin, TAguilar-Saavedra, JAAhlen, SPAhmadov, FAielli, GAkerstedt, HÅkesson, TPAAkimov, AVAlberghi, GLAlbert, JAlbrand, SVerzini, MJ AlconadaAleksa, MAleksandrov, INAlexa, CAlexander, GAlexopoulos, TAlhroob, MAli, BAliev, MAlimonti, GAlison, JAlkire, SPAllbrooke, BMMAllen, BWAllport, PPAloisio, AAlonso, AAlonso, FAlpigiani, CAlshehri, AAAlstaty, MGonzalez, B AlvarezPiqueras, D ÁlvarezAlviggi, MGAmadio, BTCoutinho, Y AmaralAmelung, CAmidei, DDos Santos, SP AmorAmorim, AAmoroso, SAmundsen, GAnastopoulos, CAncu, LSAndari, NAndeen, TAnders, CFAnders, GAnders, JKAnderson, KJAndreazza, AAndrei, VAngelidakis, SAngelozzi, IAngerami, AAnghinolfi, FAnisenkov, AVAnjos, NAnnovi, AAntel, CAntonelli, MAntonov, AAntrim, DJAnulli, FAoki, MBella, L AperioArabidze, GArai, YAraque, JPArce, ATHArduh, FAArguin, J-FArgyropoulos, SArik, MArmbruster, AJArmitage, LJArnaez, O2017-10-01The production of opposite-charge W-boson pairs in proton–proton collisions at s=13 TeV is measured using data corresponding to 3.16 fb−1 of integrated luminosity collected by the ATLAS detector at the CERN Large Hadron Collider in 2015. Candidate W-boson pairs are selected by identifying their leptonic decays into an electron, a muon and neutrinos. Events with reconstructed jets are not included in the candidate event sample. The cross-section measurement is performed in a fiducial phase space close to the experimental acceptance and is compared to theoretical predictions. Agreement is found between the measurement and the most accurate calculations available.5106 Nuclear and Plasma Physics (for-2020)5107 Particle and High Energy Physics (for-2020)51 Physical Sciences (for-2020)hep-exhep-ex0105 Mathematical Physics (for)0201 Astronomical and Space Sciences (for)0202 AtomicMolecularNuclearParticle and Plasma Physics (for)Nuclear & Particles Physics (science-metrix)49 Mathematical sciences (for-2020)51 Physical sciences (for-2020)application/pdfCC-BYeScholarship, University of Californiahttps://escholarship.org/uc/item/2w36f21mhttps://escholarship.org/content/qt2w36f21m/qt2w36f21m.pdfinfo:doi/10.1016/j.physletb.2017.08.047articlePhysics Letters B, vol 773354 - 374oai:escholarship.org:ark:/13030/qt7cv7h3202026-04-04T11:48:57Zqt7cv7h320Measurement of inclusive and differential cross sections in the H → ZZ* → 4ℓ decay channel in pp collisions at s=13 TeV with the ATLAS detectorThe ATLAS collaborationAaboud, MAad, GAbbott, BAbdinov, OAbeloos, BAbidi, SHAbouZeid, OSAbraham, NLAbramowicz, HAbreu, HAbreu, RAbulaiti, YAcharya, BSAdachi, SAdamczyk, LAdelman, JAdersberger, MAdye, TAffolder, AAAfik, YAgatonovic-Jovin, TAgheorghiesei, CAguilar-Saavedra, JAAhlen, SPAhmadov, FAielli, GAkatsuka, SAkerstedt, HÅkesson, TPAAkilli, EAkimov, AVAlberghi, GLAlbert, JAlbicocco, PAlconada Verzini, MJAlderweireldt, SCAleksa, MAleksandrov, INAlexa, CAlexander, GAlexopoulos, TAlhroob, MAli, BAliev, MAlimonti, GAlison, JAlkire, SPAllbrooke, BMMAllen, BWAllport, PPAloisio, AAlonso, AAlonso, FAlpigiani, CAlshehri, AAAlstaty, MIAlvarez Gonzalez, BÁlvarez Piqueras, DAlviggi, MGAmadio, BTAmaral Coutinho, YAmelung, CAmidei, DAmor Dos Santos, SPAmoroso, SAmundsen, GAnastopoulos, CAncu, LSAndari, NAndeen, TAnders, CFAnders, JKAnderson, KJAndreazza, AAndrei, VAngelidakis, SAngelozzi, IAngerami, AAnisenkov, AVAnjos, NAnnovi, AAntel, CAntonelli, MAntonov, AAntrim, DJAnulli, FAoki, MAperio Bella, LArabidze, GArai, YAraque, JPAraujo Ferraz, VArce, ATHArdell, REArduh, FAArguin, J-FArgyropoulos, SArik, MArmbruster, AJ2017-10-01Inclusive and differential fiducial cross sections of Higgs boson production in proton-proton collisions are measured in the H → ZZ* → 4ℓ decay channel. The proton-proton collision data were produced at the Large Hadron Collider at a centre-of-mass energy of 13 TeV and recorded by the ATLAS detector in 2015 and 2016, corresponding to an integrated luminosity of 36.1 fb−1. The inclusive fiducial cross section in the H → ZZ* → 4ℓ decay channel is measured to be 3.62 ± 0.50(stat)− 0.20+ 0.25 (sys) fb, in agreement with the Standard Model prediction of 2.91 ± 0.13 fb. The cross section is also extrapolated to the total phase space including all Standard Model Higgs boson decays. Several differential fiducial cross sections are measured for observables sensitive to the Higgs boson production and decay, including kinematic distributions of jets produced in association with the Higgs boson. Good agreement is found between data and Standard Model predictions. The results are used to put constraints on anomalous Higgs boson interactions with Standard Model particles, using the pseudo-observable extension to the kappa-framework.5106 Nuclear and Plasma Physics (for-2020)5107 Particle and High Energy Physics (for-2020)51 Physical Sciences (for-2020)Hadron-Hadron scattering (experiments)Higgs physicshep-exhep-ex0105 Mathematical Physics (for)0202 AtomicMolecularNuclearParticle and Plasma Physics (for)0206 Quantum Physics (for)Nuclear & Particles Physics (science-metrix)4902 Mathematical physics (for-2020)5106 Nuclear and plasma physics (for-2020)5107 Particle and high energy physics (for-2020)application/pdfCC-BYeScholarship, University of Californiahttps://escholarship.org/uc/item/7cv7h320https://escholarship.org/content/qt7cv7h320/qt7cv7h320.pdfinfo:doi/10.1007/jhep10(2017)132articleJournal of High Energy Physics, vol 2017, iss 10132oai:escholarship.org:ark:/13030/qt2x87f5132026-04-04T11:47:52Zqt2x87f513Correction to: Identification and rejection of pile-up jets at high pseudorapidity with the ATLAS detectorAaboud, MAad, GAbbott, BAbdallah, JAbdinov, OAbeloos, BAbidi, SHAbouZeid, OSAbraham, NLAbramowicz, HAbreu, HAbreu, RAbulaiti, YAcharya, BSAdachi, SAdamczyk, LAdelman, JAdersberger, MAdye, TAffolder, AAAgatonovic-Jovin, TAgheorghiesei, CAguilar-Saavedra, JAAhlen, SPAhmadov, FAielli, GAkatsuka, SAkerstedt, HÅkesson, TPAAkilli, EAkimov, AVAlberghi, GLAlbert, JAlbicocco, PVerzini, MJ AlconadaAleksa, MAleksandrov, INAlexa, CAlexander, GAlexopoulos, TAlhroob, MAli, BAliev, MAlimonti, GAlison, JAlkire, SPAllbrooke, BMMAllen, BWAllport, PPAloisio, AAlonso, AAlonso, FAlpigiani, CAlshehri, AAAlstaty, MGonzalez, B AlvarezPiqueras, D ÁlvarezAlviggi, MGAmadio, BTCoutinho, Y AmaralAmelung, CAmidei, DSantos, SP Amor DosAmorim, AAmoroso, SAmundsen, GAnastopoulos, CAncu, LSAndari, NAndeen, TAnders, CFAnders, JKAnderson, KJAndreazza, AAndrei, VAngelidakis, SAngelozzi, IAngerami, AAnisenkov, AVAnjos, NAnnovi, AAntel, CAntonelli, MAntonov, AAntrim, DJAnulli, FAoki, MBella, L AperioArabidze, GArai, YAraque, JPFerraz, V AraujoArce, ATHArdell, REArduh, FAArguin, J-FArgyropoulos, SArik, MArmbruster, AJArmitage, LJ2017-10-01Unfortunately, in the original version of this article the copyright holder was wrong in the HTML. The original article has been corrected.5107 Particle and High Energy Physics (for-2020)5101 Astronomical Sciences (for-2020)5102 AtomicMolecular and Optical Physics (for-2020)51 Physical Sciences (for-2020)0202 AtomicMolecularNuclearParticle and Plasma Physics (for)0206 Quantum Physics (for)Nuclear & Particles Physics (science-metrix)5101 Astronomical sciences (for-2020)5102 Atomicmolecular and optical physics (for-2020)5107 Particle and high energy physics (for-2020)application/pdfCC-BYeScholarship, University of Californiahttps://escholarship.org/uc/item/2x87f513https://escholarship.org/content/qt2x87f513/qt2x87f513.pdfinfo:doi/10.1140/epjc/s10052-017-5245-3articleEuropean Physical Journal C, vol 77, iss 10712oai:escholarship.org:ark:/13030/qt55h4n29p2026-04-04T11:47:42Zqt55h4n29pSearches for the Zγ decay mode of the Higgs boson and for new high-mass resonances in pp collisions at s=13 TeV with the ATLAS detectorThe ATLAS collaborationAaboud, MAad, GAbbott, BAbdinov, OAbeloos, BAbidi, SHAbouZeid, OSAbraham, NLAbramowicz, HAbreu, HAbreu, RAbulaiti, YAcharya, BSAdachi, SAdamczyk, LAdelman, JAdersberger, MAdye, TAffolder, AAAgatonovic-Jovin, TAgheorghiesei, CAguilar-Saavedra, JAAhlen, SPAhmadov, FAielli, GAkatsuka, SAkerstedt, HÅkesson, TPAAkilli, EAkimov, AVAlberghi, GLAlbert, JAlbicocco, PAlconada Verzini, MJAlderweireldt, SCAleksa, MAleksandrov, INAlexa, CAlexander, GAlexopoulos, TAlhroob, MAli, BAliev, MAlimonti, GAlison, JAlkire, SPAllbrooke, BMMAllen, BWAllport, PPAloisio, AAlonso, AAlonso, FAlpigiani, CAlshehri, AAAlstaty, MIAlvarez Gonzalez, BÁlvarez Piqueras, DAlviggi, MGAmadio, BTAmaral Coutinho, YAmelung, CAmidei, DAmor Dos Santos, SPAmoroso, SAmundsen, GAnastopoulos, CAncu, LSAndari, NAndeen, TAnders, CFAnders, JKAnderson, KJAndreazza, AAndrei, VAngelidakis, SAngelozzi, IAngerami, AAnisenkov, AVAnjos, NAnnovi, AAntel, CAntonelli, MAntonov, AAntrim, DJAnulli, FAoki, MAperio Bella, LArabidze, GArai, YAraque, JPAraujo Ferraz, VArce, ATHArdell, REArduh, FAArguin, J-FArgyropoulos, SArik, MArmbruster, AJArmitage, LJ2017-10-01This article presents searches for the Zγ decay of the Higgs boson and for narrow high-mass resonances decaying to Zγ, exploiting Z boson decays to pairs of electrons or muons. The data analysis uses 36.1 fb−1 of pp collisions at s=13$$ \sqrt{s}=13 $$ recorded by the ATLAS detector at the CERN Large Hadron Collider. The data are found to be consistent with the expected Standard Model background. The observed (expected — assuming Standard Model pp → H → Zγ production and decay) upper limit on the production cross section times the branching ratio for pp → H → Zγ is 6.6. (5.2) times the Standard Model prediction at the 95% confidence level for a Higgs boson mass of 125.09 GeV. In addition, upper limits are set on the production cross section times the branching ratio as a function of the mass of a narrow resonance between 250 GeV and 2.4 TeV, assuming spin-0 resonances produced via gluon-gluon fusion, and spin-2 resonances produced via gluon-gluon or quark-antiquark initial states. For high-mass spin-0 resonances, the observed (expected) limits vary between 88 fb (61 fb) and 2.8 fb (2.7 fb) for the mass range from 250 GeV to 2.4 TeV at the 95% confidence level.5106 Nuclear and Plasma Physics (for-2020)5107 Particle and High Energy Physics (for-2020)51 Physical Sciences (for-2020)Hadron-Hadron scattering (experiments)Higgs physicshep-exhep-ex0105 Mathematical Physics (for)0202 AtomicMolecularNuclearParticle and Plasma Physics (for)0206 Quantum Physics (for)Nuclear & Particles Physics (science-metrix)4902 Mathematical physics (for-2020)5106 Nuclear and plasma physics (for-2020)5107 Particle and high energy physics (for-2020)application/pdfCC-BYeScholarship, University of Californiahttps://escholarship.org/uc/item/55h4n29phttps://escholarship.org/content/qt55h4n29p/qt55h4n29p.pdfinfo:doi/10.1007/jhep10(2017)112articleJournal of High Energy Physics, vol 2017, iss 10112oai:escholarship.org:ark:/13030/qt6px491m02026-04-04T11:47:32Zqt6px491m0Search for new phenomena in dijet events using 37 fb−1 of pp collision data collected at s=13 TeV with the ATLAS detectorAaboud, MAad, GAbbott, BAbdallah, JAbdinov, OAbeloos, BAbidi, SHAbouZeid, OSAbraham, NLAbramowicz, HAbreu, HAbreu, RAbulaiti, YAcharya, BSAdachi, SAdamczyk, LAdelman, JAdersberger, MAdye, TAffolder, AAAgatonovic-Jovin, TAgheorghiesei, CAguilar-Saavedra, JAAhlen, SPAhmadov, FAielli, GAkatsuka, SAkerstedt, HÅkesson, TPAAkimov, AVAlberghi, GLAlbert, JAlbicocco, PVerzini, MJ AlconadaAleksa, MAleksandrov, INAlexa, CAlexander, GAlexopoulos, TAlhroob, MAli, BAliev, MAlimonti, GAlison, JAlkire, SPAllbrooke, BMMAllen, BWAllport, PPAloisio, AAlonso, AAlonso, FAlpigiani, CAlshehri, AAAlstaty, MGonzalez, B AlvarezPiqueras, D ÁlvarezAlviggi, MGAmadio, BTCoutinho, Y AmaralAmelung, CAmidei, DDos Santos, SP AmorAmorim, AAmoroso, SAmundsen, GAnastopoulos, CAncu, LSAndari, NAndeen, TAnders, CFAnders, JKAnderson, KJAndreazza, AAndrei, VAngelidakis, SAngelozzi, IAngerami, AAnisenkov, AVAnjos, NAnnovi, AAntel, CAntonelli, MAntonov, AAntrim, DJAnulli, FAoki, MBella, L AperioArabidze, GArai, YAraque, JPFerraz, V AraujoArce, ATHArdell, REArduh, FAArguin, J-FArgyropoulos, SArik, MArmbruster, AJArmitage, LJArnaez, O2017-09-01Dijet events are studied in the proton-proton collision data set recorded at s=13 TeV with the ATLAS detector at the Large Hadron Collider in 2015 and 2016, corresponding to integrated luminosities of 3.5 fb−1 and 33.5 fb−1 respectively. Invariant mass and angular distributions are compared to background predictions and no significant deviation is observed. For resonance searches, a new method for fitting the background component of the invariant mass distribution is employed. The data set is then used to set upper limits at a 95% confidence level on a range of new physics scenarios. Excited quarks with masses below 6.0 TeV are excluded, and limits are set on quantum black holes, heavy W′ bosons, W* bosons, and a range of masses and couplings in a Z′ dark matter mediator model. Model-independent limits on signals with a Gaussian shape are also set, using a new approach allowing factorization of physics and detector effects. From the angular distributions, a scale of new physics in contact interaction models is excluded for scenarios with either constructive or destructive interference. These results represent a substantial improvement over those obtained previously with lower integrated luminosity.5106 Nuclear and Plasma Physics (for-2020)5107 Particle and High Energy Physics (for-2020)51 Physical Sciences (for-2020)hep-exhep-exapplication/pdfCC-BYeScholarship, University of Californiahttps://escholarship.org/uc/item/6px491m0https://escholarship.org/content/qt6px491m0/qt6px491m0.pdfinfo:doi/10.1103/physrevd.96.052004articlePhysical Review D, vol 96, iss 5052004oai:escholarship.org:ark:/13030/qt37n1b7612026-04-04T11:47:20Zqt37n1b761Performance of the ATLAS track reconstruction algorithms in dense environments in LHC Run 2Aaboud, MAad, GAbbott, BAbdallah, JAbdinov, OAbeloos, BAbidi, SHAbouZeid, OSAbraham, NLAbramowicz, HAbreu, HAbreu, RAbulaiti, YAcharya, BSAdachi, SAdamczyk, LAdelman, JAdersberger, MAdye, TAffolder, AAAgatonovic-Jovin, TAgheorghiesei, CAguilar-Saavedra, JAAhlen, SPAhmadov, FAielli, GAkatsuka, SAkerstedt, HÅkesson, TPAAkimov, AVAlberghi, GLAlbert, JAlbicocco, PAlconada Verzini, MJAleksa, MAleksandrov, INAlexa, CAlexander, GAlexopoulos, TAlhroob, MAli, BAliev, MAlimonti, GAlison, JAlkire, SPAllbrooke, BMMAllen, BWAllport, PPAloisio, AAlonso, AAlonso, FAlpigiani, CAlshehri, AAAlstaty, MAlvarez Gonzalez, BÁlvarez Piqueras, DAlviggi, MGAmadio, BTAmaral Coutinho, YAmelung, CAmidei, DSantos, SP Amor DosAmorim, AAmoroso, SAmundsen, GAnastopoulos, CAncu, LSAndari, NAndeen, TAnders, CFAnders, JKAnderson, KJAndreazza, AAndrei, VAngelidakis, SAngelozzi, IAngerami, AAnisenkov, AVAnjos, NAnnovi, AAntel, CAntonelli, MAntonov, AAntrim, DJAnulli, FAoki, MAperio Bella, LArabidze, GArai, YAraque, JPAraujo Ferraz, VArce, ATHArdell, REArduh, FAArguin, J-FArgyropoulos, SArik, MArmbruster, AJArmitage, LJArnaez, O2017-10-01With the increase in energy of the Large Hadron Collider to a centre-of-mass energy of 13 TeV$$\text {TeV}$$ for Run 2, events with dense environments, such as in the cores of high-energy jets, became a focus for new physics searches as well as measurements of the Standard Model. These environments are characterized by charged-particle separations of the order of the tracking detectors sensor granularity. Basic track quantities are compared between 3.2 fb-1$$^{-1}$$ of data collected by the ATLAS experiment and simulation of proton–proton collisions producing high-transverse-momentum jets at a centre-of-mass energy of 13 TeV$$\text {TeV}$$. The impact of charged-particle separations and multiplicities on the track reconstruction performance is discussed. The track reconstruction efficiency in the cores of jets with transverse momenta between 200 and 1600 GeV$$\text {GeV}$$ is quantified using a novel, data-driven, method. The method uses the energy loss, dE/dx$${\text { d}}{} \textit{E}/d\textit{x}$$, to identify pixel clusters originating from two charged particles. Of the charged particles creating these clusters, the measured fraction that fail to be reconstructed is 0.061±0.006(stat.)±0.014(syst.)$$0.061 \pm 0.006\ {\text {(stat.)}} \pm 0.014\ {\text {(syst.)}}$$ and 0.093±0.017(stat.)±0.021(syst.)$$0.093 \pm 0.017\ {\text {(stat.)}}\pm 0.021\ {\text {(syst.)}}$$ for jet transverse momenta of 200–400 GeV$$\text {GeV}$$ and 1400–1600 GeV$$\text {GeV}$$, respectively.5106 Nuclear and Plasma Physics (for-2020)5107 Particle and High Energy Physics (for-2020)51 Physical Sciences (for-2020)ATLAS CollaborationATLAS CollaborationATLAS CollaborationATLAS Collaborationhep-exhep-ex0202 AtomicMolecularNuclearParticle and Plasma Physics (for)0206 Quantum Physics (for)Nuclear & Particles Physics (science-metrix)5101 Astronomical sciences (for-2020)5102 Atomicmolecular and optical physics (for-2020)5107 Particle and high energy physics (for-2020)application/pdfCC-BYeScholarship, University of Californiahttps://escholarship.org/uc/item/37n1b761https://escholarship.org/content/qt37n1b761/qt37n1b761.pdfinfo:doi/10.1140/epjc/s10052-017-5225-7articleEuropean Physical Journal C, vol 77, iss 10673oai:escholarship.org:ark:/13030/qt2s31s9w02026-04-04T11:47:09Zqt2s31s9w0Identification and rejection of pile-up jets at high pseudorapidity with the ATLAS detectorAaboud, MAad, GAbbott, BAbdallah, JAbdinov, OAbeloos, BAbidi, SHAbouZeid, OSAbraham, NLAbramowicz, HAbreu, HAbreu, RAbulaiti, YAcharya, BSAdachi, SAdamczyk, LAdelman, JAdersberger, MAdye, TAffolder, AAAgatonovic-Jovin, TAgheorghiesei, CAguilar-Saavedra, JAAhlen, SPAhmadov, FAielli, GAkatsuka, SAkerstedt, HÅkesson, TPAAkilli, EAkimov, AVAlberghi, GLAlbert, JAlbicocco, PVerzini, MJ AlconadaAleksa, MAleksandrov, INAlexa, CAlexander, GAlexopoulos, TAlhroob, MAli, BAliev, MAlimonti, GAlison, JAlkire, SPAllbrooke, BMMAllen, BWAllport, PPAloisio, AAlonso, AAlonso, FAlpigiani, CAlshehri, AAAlstaty, MGonzalez, B AlvarezPiqueras, D ÁlvarezAlviggi, MGAmadio, BTCoutinho, Y AmaralAmelung, CAmidei, DSantos, SP Amor DosAmorim, AAmoroso, SAmundsen, GAnastopoulos, CAncu, LSAndari, NAndeen, TAnders, CFAnders, JKAnderson, KJAndreazza, AAndrei, VAngelidakis, SAngelozzi, IAngerami, AAnisenkov, AVAnjos, NAnnovi, AAntel, CAntonelli, MAntonov, AAntrim, DJAnulli, FAoki, MBella, L AperioArabidze, GArai, YAraque, JPFerraz, V AraujoArce, ATHArdell, REArduh, FAArguin, J-FArgyropoulos, SArik, MArmbruster, AJArmitage, LJ2017-09-01The rejection of forward jets originating from additional proton–proton interactions (pile-up) is crucial for a variety of physics analyses at the LHC, including Standard Model measurements and searches for physics beyond the Standard Model. The identification of such jets is challenging due to the lack of track and vertex information in the pseudorapidity range |η|>2.5$$|\eta |>2.5$$. This paper presents a novel strategy for forward pile-up jet tagging that exploits jet shapes and topological jet correlations in pile-up interactions. Measurements of the per-jet tagging efficiency are presented using a data set of 3.2 fb-1$$^{-1}$$ of proton–proton collisions at a centre-of-mass energy of 13 TeV$$\,\text {TeV}$$ collected with the ATLAS detector. The fraction of pile-up jets rejected in the range 2.5<|η|<4.5$$2.5<|\eta |<4.5$$ is estimated in simulated events with an average of 22 interactions per bunch-crossing. It increases with jet transverse momentum and, for jets with transverse momentum between 20 and 50 GeV, it ranges between 49% and 67% with an efficiency of 85% for selecting hard-scatter jets. A case study is performed in Higgs boson production via the vector-boson fusion process, showing that these techniques mitigate the background growth due to additional proton–proton interactions, thus enhancing the reach for such signatures.5106 Nuclear and Plasma Physics (for-2020)5107 Particle and High Energy Physics (for-2020)51 Physical Sciences (for-2020)ATLAS Collaborationhep-exhep-ex0202 AtomicMolecularNuclearParticle and Plasma Physics (for)0206 Quantum Physics (for)Nuclear & Particles Physics (science-metrix)5101 Astronomical sciences (for-2020)5102 Atomicmolecular and optical physics (for-2020)5107 Particle and high energy physics (for-2020)application/pdfCC-BYeScholarship, University of Californiahttps://escholarship.org/uc/item/2s31s9w0https://escholarship.org/content/qt2s31s9w0/qt2s31s9w0.pdfinfo:doi/10.1140/epjc/s10052-017-5081-5articleEuropean Physical Journal C, vol 77, iss 9580oai:escholarship.org:ark:/13030/qt3h3884kn2026-04-04T11:46:57Zqt3h3884knMeasurements of long-range azimuthal anisotropies and associated Fourier coefficients for pp collisions at s=5.02 and 13 TeV and p+Pb collisions at sNN=5.02 TeV with the ATLAS detectorAaboud, MAad, GAbbott, BAbdallah, JAbdinov, OAbeloos, BAbouZeid, OSAbraham, NLAbramowicz, HAbreu, HAbreu, RAbulaiti, YAcharya, BSAdachi, SAdamczyk, LAdams, DLAdelman, JAdomeit, SAdye, TAffolder, AAAgatonovic-Jovin, TAguilar-Saavedra, JAAhlen, SPAhmadov, FAielli, GAkerstedt, HÅkesson, TPAAkimov, AVAlberghi, GLAlbert, JAlbrand, SVerzini, MJ AlconadaAleksa, MAleksandrov, INAlexa, CAlexander, GAlexopoulos, TAlhroob, MAli, BAliev, MAlimonti, GAlison, JAlkire, SPAllbrooke, BMMAllen, BWAllport, PPAloisio, AAlonso, AAlonso, FAlpigiani, CAlshehri, AAAlstaty, MGonzalez, B AlvarezPiqueras, D ÁlvarezAlviggi, MGAmadio, BTCoutinho, Y AmaralAmelung, CAmidei, DDos Santos, SP AmorAmorim, AAmoroso, SAmundsen, GAnastopoulos, CAncu, LSAndari, NAndeen, TAnders, CFAnders, JKAnderson, KJAndreazza, AAndrei, VAngelidakis, SAngelozzi, IAngerami, AAnghinolfi, FAnisenkov, AVAnjos, NAnnovi, AAntel, CAntonelli, MAntonov, AAntrim, DJAnulli, FAoki, MBella, L AperioArabidze, GArai, YAraque, JPArce, ATHArduh, FAArguin, J-FArgyropoulos, SArik, MArmbruster, AJArmitage, LJArnaez, OArnold, HArratia, MArslan, O2017-08-01ATLAS measurements of two-particle correlations are presented for s=5.02 and 13 TeV pp collisions and for sNN=5.02 TeV p+Pb collisions at the LHC. The correlation functions are measured as a function of relative azimuthal angle Δϕ, and pseudorapidity separation Δη, using charged particles detected within the pseudorapidity interval |η|<2.5. Azimuthal modulation in the long-range component of the correlation function, with |Δη|>2, is studied using a template fitting procedure to remove a “back-to-back” contribution to the correlation function that primarily arises from hard-scattering processes. In addition to the elliptic, cos(2Δϕ), modulation observed in a previous measurement, the pp correlation functions exhibit significant cos(3Δϕ) and cos(4Δϕ) modulation. The Fourier coefficients vn,n associated with the cos(nΔϕ) modulation of the correlation functions for n=2–4 are measured as a function of charged-particle multiplicity and charged-particle transverse momentum. The Fourier coefficients are observed to be compatible with cos(nϕ) modulation of per-event single-particle azimuthal angle distributions. The single-particle Fourier coefficients vn are measured as a function of charged-particle multiplicity, and charged-particle transverse momentum for n=2–4. The integrated luminosities used in this analysis are, 64 nb−1 for the s=13 TeV pp data, 170 nb−1 for the s=5.02 TeV pp data, and 28 nb−1 for the sNN=5.02 TeV p+Pb data.5106 Nuclear and Plasma Physics (for-2020)5107 Particle and High Energy Physics (for-2020)51 Physical Sciences (for-2020)nucl-exnucl-exhep-ex5106 Nuclear and plasma physics (for-2020)application/pdfCC-BYeScholarship, University of Californiahttps://escholarship.org/uc/item/3h3884knhttps://escholarship.org/content/qt3h3884kn/qt3h3884kn.pdfinfo:doi/10.1103/physrevc.96.024908articlePhysical Review C, vol 96, iss 2024908oai:escholarship.org:ark:/13030/qt5xw0h0t12026-04-04T11:46:47Zqt5xw0h0t1Erratum to: Measurement of the charge asymmetry in top-quark pair production in the lepton-plus-jets final state in pp collision data at s=8 TeV with the ATLAS detectorAtlas CollaborationAad, GAbbott, BAbdallah, JAbdinov, OAben, RAbolins, MAbouZeid, OSAbramowicz, HAbreu, HAbreu, RAbulaiti, YAcharya, BSAdamczyk, LAdams, DLAdelman, JAdomeit, SAdye, TAffolder, AAAgatonovic-Jovin, TAgricola, JAguilar-Saavedra, JAAhlen, SPAhmadov, FAielli, GAkerstedt, HÅkesson, TPAAkimov, AVAlberghi, GLAlbert, JAlbrand, SAlconada Verzini, MJAleksa, MAleksandrov, INAlexa, CAlexander, GAlexopoulos, TAlhroob, MAlimonti, GAlio, LAlison, JAlkire, SPAllbrooke, BMMAllport, PPAloisio, AAlonso, AAlonso, FAlpigiani, CAltheimer, AAlvarez Gonzalez, BÁlvarez Piqueras, DAlviggi, MGAmadio, BTAmako, KAmaral Coutinho, YAmelung, CAmidei, DAmor Dos Santos, SPAmorim, AAmoroso, SAmram, NAmundsen, GAnastopoulos, CAncu, LSAndari, NAndeen, TAnders, CFAnders, GAnders, JKAnderson, KJAndreazza, AAndrei, VAngelidakis, SAngelozzi, IAnger, PAngerami, AAnghinolfi, FAnisenkov, AVAnjos, NAnnovi, AAntonelli, MAntonov, AAntos, JAnulli, FAoki, MAperio Bella, LArabidze, GArai, YAraque, JPArce, ATHArduh, FAArguin, J-FArgyropoulos, SArik, MArmbruster, AJArnaez, OArnold, HArratia, MArslan, OArtamonov, A2017-08-01In the original paper, Fig. 4 contains the wrong label preliminary. The label has been fixed, while none of the results have changed.(Table Presented.).5106 Nuclear and Plasma Physics (for-2020)5107 Particle and High Energy Physics (for-2020)51 Physical Sciences (for-2020)0202 AtomicMolecularNuclearParticle and Plasma Physics (for)0206 Quantum Physics (for)Nuclear & Particles Physics (science-metrix)5101 Astronomical sciences (for-2020)5102 Atomicmolecular and optical physics (for-2020)5107 Particle and high energy physics (for-2020)application/pdfpubliceScholarship, University of Californiahttps://escholarship.org/uc/item/5xw0h0t1https://escholarship.org/content/qt5xw0h0t1/qt5xw0h0t1.pdfinfo:doi/10.1140/epjc/s10052-017-5089-xarticleEuropean Physical Journal C, vol 77, iss 8564oai:escholarship.org:ark:/13030/qt060018np2026-04-04T11:46:35Zqt060018npSearch for the Dimuon Decay of the Higgs Boson in pp Collisions at s=13 TeV with the ATLAS DetectorAaboud, MAad, GAbbott, BAbdinov, OAbeloos, BAbidi, SHAbouZeid, OSAbraham, NLAbramowicz, HAbreu, HAbreu, RAbulaiti, YAcharya, BSAdachi, SAdamczyk, LAdelman, JAdersberger, MAdye, TAffolder, AAAgatonovic-Jovin, TAgheorghiesei, CAguilar-Saavedra, JAAhlen, SPAhmadov, FAielli, GAkatsuka, SAkerstedt, HÅkesson, TPAAkilli, EAkimov, AVAlberghi, GLAlbert, JAlbicocco, PVerzini, MJ AlconadaAlderweireldt, SCAleksa, MAleksandrov, INAlexa, CAlexander, GAlexopoulos, TAlhroob, MAli, BAliev, MAlimonti, GAlison, JAlkire, SPAllbrooke, BMMAllen, BWAllport, PPAloisio, AAlonso, AAlonso, FAlpigiani, CAlshehri, AAAlstaty, MGonzalez, B AlvarezPiqueras, D ÁlvarezAlviggi, MGAmadio, BTCoutinho, Y AmaralAmelung, CAmidei, DDos Santos, SP AmorAmorim, AAmoroso, SAmundsen, GAnastopoulos, CAncu, LSAndari, NAndeen, TAnders, CFAnders, JKAnderson, KJAndreazza, AAndrei, VAngelidakis, SAngelozzi, IAngerami, AAnisenkov, AVAnjos, NAnnovi, AAntel, CAntonelli, MAntonov, AAntrim, DJAnulli, FAoki, MBella, L AperioArabidze, GArai, YAraque, JPFerraz, V AraujoArce, ATHArdell, REArduh, FAArguin, J-FArgyropoulos, SArik, MArmbruster, AJArmitage, LJ2017-08-04A search for the dimuon decay of the Higgs boson was performed using data corresponding to an integrated luminosity of 36.1 fb^{-1} collected with the ATLAS detector in pp collisions at sqrt[s]=13 TeV at the Large Hadron Collider. No significant excess is observed above the expected background. The observed (expected) upper limit on the cross section times branching ratio is 3.0 (3.1) times the Standard Model prediction at the 95% confidence level for a Higgs boson mass of 125 GeV. When combined with the pp collision data at sqrt[s]=7 TeV and sqrt[s]=8 TeV, the observed (expected) upper limit is 2.8 (2.9) times the Standard Model prediction.5106 Nuclear and Plasma Physics (for-2020)5107 Particle and High Energy Physics (for-2020)51 Physical Sciences (for-2020)ATLAS CollaborationATLAS CollaborationATLAS CollaborationATLAS Collaborationhep-exhep-ex01 Mathematical Sciences (for)02 Physical Sciences (for)09 Engineering (for)General Physics (science-metrix)40 Engineering (for-2020)49 Mathematical sciences (for-2020)51 Physical sciences (for-2020)application/pdfCC-BYeScholarship, University of Californiahttps://escholarship.org/uc/item/060018nphttps://escholarship.org/content/qt060018np/qt060018np.pdfinfo:doi/10.1103/physrevlett.119.051802articlePhysical Review Letters, vol 119, iss 5051802oai:escholarship.org:ark:/13030/qt4tf213t52026-04-04T11:46:25Zqt4tf213t5Search for direct top squark pair production in events with a Higgs or Z boson, and missing transverse momentum in s=13 TeV pp collisions with the ATLAS detectorThe ATLAS collaborationAaboud, MAad, GAbbott, BAbdinov, OAbeloos, BAbidi, SHAbouZeid, OSAbraham, NLAbramowicz, HAbreu, HAbreu, RAbulaiti, YAcharya, BSAdachi, SAdamczyk, LAdelman, JAdersberger, MAdye, TAffolder, AAAgatonovic-Jovin, TAgheorghiesei, CAguilar-Saavedra, JAAhlen, SPAhmadov, FAielli, GAkatsuka, SAkerstedt, HÅkesson, TPAAkilli, EAkimov, AVAlberghi, GLAlbert, JAlbicocco, PAlconada Verzini, MJAlderweireldt, SCAleksa, MAleksandrov, INAlexa, CAlexander, GAlexopoulos, TAlhroob, MAli, BAliev, MAlimonti, GAlison, JAlkire, SPAllbrooke, BMMAllen, BWAllport, PPAloisio, AAlonso, AAlonso, FAlpigiani, CAlshehri, AAAlstaty, MIAlvarez Gonzalez, BÁlvarez Piqueras, DAlviggi, MGAmadio, BTAmaral Coutinho, YAmelung, CAmidei, DAmor Dos Santos, SPAmorim, AAmoroso, SAmundsen, GAnastopoulos, CAncu, LSAndari, NAndeen, TAnders, CFAnders, JKAnderson, KJAndreazza, AAndrei, VAngelidakis, SAngelozzi, IAngerami, AAnisenkov, AVAnjos, NAnnovi, AAntel, CAntonelli, MAntonov, AAntrim, DJAnulli, FAoki, MAperio Bella, LArabidze, GArai, YAraque, JPAraujo Ferraz, VArce, ATHArdell, REArduh, FAArguin, J-FArgyropoulos, SArik, MArmbruster, AJ2017-08-01A search for direct top squark pair production resulting in events with either a same-flavour opposite-sign dilepton pair with invariant mass compatible with a Z boson or a pair of jets compatible with a Standard Model (SM) Higgs boson (h) is presented. Requirements on the missing transverse momentum, together with additional selections on leptons, jets, jets identified as originating from b-quarks are imposed to target the other decay products of the top squark pair. The analysis is performed using proton-proton collision data at s=13$$ \sqrt{s}=13 $$ TeV collected with the ATLAS detector at the LHC in 2015–2016, corresponding to an integrated luminosity of 36.1 fb−1. No excess is observed in the data with respect to the SM predictions. The results are interpreted in two sets of models. In the first set, direct production of pairs of lighter top squarks (t˜1$$ {\tilde{t}}_1 $$) with long decay chains involving Z or Higgs bosons is considered. The second set includes direct pair production of the heavier top squark pairs (t˜2$$ {\tilde{t}}_2 $$) decaying via t˜2→Zt˜1$$ {\tilde{t}}_2\to Z{\tilde{t}}_1 $$ or t˜2→ht˜1$$ {\tilde{t}}_2\to h{\tilde{t}}_1 $$. The results exclude at 95% confidence level t˜2$$ {\tilde{t}}_2 $$ and t˜1$$ {\tilde{t}}_1 $$ masses up to about 800 GeV, extending the exclusion region of supersymmetric parameter space covered by previous LHC searches.5106 Nuclear and Plasma Physics (for-2020)5107 Particle and High Energy Physics (for-2020)51 Physical Sciences (for-2020)Beyond Standard ModelHadron-Hadron scattering (experiments)Higgs physicshep-exhep-ex0105 Mathematical Physics (for)0202 AtomicMolecularNuclearParticle and Plasma Physics (for)0206 Quantum Physics (for)Nuclear & Particles Physics (science-metrix)4902 Mathematical physics (for-2020)5106 Nuclear and plasma physics (for-2020)5107 Particle and high energy physics (for-2020)application/pdfpubliceScholarship, University of Californiahttps://escholarship.org/uc/item/4tf213t5https://escholarship.org/content/qt4tf213t5/qt4tf213t5.pdfinfo:doi/10.1007/jhep08(2017)006articleJournal of High Energy Physics, vol 2017, iss 86oai:escholarship.org:ark:/13030/qt7t5027n22026-04-04T11:46:11Zqt7t5027n2Measurements of electroweak Wjj production and constraints on anomalous gauge couplings with the ATLAS detectorAaboud, MAad, GAbbott, BAbdallah, JAbdinov, OAbeloos, BAbidi, SHAbouZeid, OSAbraham, NLAbramowicz, HAbreu, HAbreu, RAbulaiti, YAcharya, BSAdachi, SAdamczyk, LAdams, DLAdelman, JAdersberger, MAdye, TAffolder, AAAgatonovic-Jovin, TAgheorghiesei, CAguilar-Saavedra, JAAhlen, SPAhmadov, FAielli, GAkatsuka, SAkerstedt, HÅkesson, TPAAkimov, AVAlberghi, GLAlbert, JAlconada Verzini, MJAleksa, MAleksandrov, INAlexa, CAlexander, GAlexopoulos, TAlhroob, MAli, BAliev, MAlimonti, GAlison, JAlkire, SPAllbrooke, BMMAllen, BWAllport, PPAloisio, AAlonso, AAlonso, FAlpigiani, CAlshehri, AAAlstaty, MAlvarez Gonzalez, BPiqueras, D ÁlvarezAlviggi, MGAmadio, BTAmaral Coutinho, YAmelung, CAmidei, DSantos, SP Amor DosAmorim, AAmoroso, SAmundsen, GAnastopoulos, CAncu, LSAndari, NAndeen, TAnders, CFAnders, JKAnderson, KJAndreazza, AAndrei, VAngelidakis, SAngelozzi, IAngerami, AAnghinolfi, FAnisenkov, AVAnjos, NAnnovi, AAntel, CAntonelli, MAntonov, AAntrim, DJAnulli, FAoki, MAperio Bella, LArabidze, GArai, YAraque, JPAraujo Ferraz, VArce, ATHArdell, REArduh, FAArguin, J-FArgyropoulos, SArik, MArmbruster, AJArmitage, LJ2017-07-01Measurements of the electroweak production of a W boson in association with two jets at high dijet invariant mass are performed using s=$$\sqrt{s} =$$ 7 and 8 TeV$$\text {TeV}$$ proton–proton collision data produced by the Large Hadron Collider, corresponding respectively to 4.7 and 20.2 fb-1$$^{-1}$$ of integrated luminosity collected by the ATLAS detector. The measurements are sensitive to the production of a W boson via a triple-gauge-boson vertex and include both the fiducial and differential cross sections of the electroweak process.5106 Nuclear and Plasma Physics (for-2020)5107 Particle and High Energy Physics (for-2020)51 Physical Sciences (for-2020)ATLAS CollaborationATLAS CollaborationATLAS CollaborationATLAS Collaborationhep-exhep-ex0202 AtomicMolecularNuclearParticle and Plasma Physics (for)0206 Quantum Physics (for)Nuclear & Particles Physics (science-metrix)5101 Astronomical sciences (for-2020)5102 Atomicmolecular and optical physics (for-2020)5107 Particle and high energy physics (for-2020)application/pdfpubliceScholarship, University of Californiahttps://escholarship.org/uc/item/7t5027n2https://escholarship.org/content/qt7t5027n2/qt7t5027n2.pdfinfo:doi/10.1140/epjc/s10052-017-5007-2articleEuropean Physical Journal C, vol 77, iss 7474oai:escholarship.org:ark:/13030/qt0221z4m12026-04-04T11:44:37Zqt0221z4m1Measurement of forward-backward multiplicity correlations in lead-lead, proton-lead, and proton-proton collisions with the ATLAS detectorAaboud, MAad, GAbbott, BAbdallah, JAbdinov, OAbeloos, BAben, RAbouZeid, OSAbraham, NLAbramowicz, HAbreu, HAbreu, RAbulaiti, YAcharya, BSAdamczyk, LAdams, DLAdelman, JAdomeit, SAdye, TAffolder, AAAgatonovic-Jovin, TAgricola, JAguilar-Saavedra, JAAhlen, SPAhmadov, FAielli, GAkerstedt, HÅkesson, TPAAkimov, AVAlberghi, GLAlbert, JAlbrand, SVerzini, MJ AlconadaAleksa, MAleksandrov, INAlexa, CAlexander, GAlexopoulos, TAlhroob, MAli, BAliev, MAlimonti, GAlison, JAlkire, SPAllbrooke, BMMAllen, BWAllport, PPAloisio, AAlonso, AAlonso, FAlpigiani, CAlstaty, MGonzalez, B AlvarezPiqueras, D ÁlvarezAlviggi, MGAmadio, BTAmako, KCoutinho, Y AmaralAmelung, CAmidei, DDos Santos, SP AmorAmorim, AAmoroso, SAmundsen, GAnastopoulos, CAncu, LSAndari, NAndeen, TAnders, CFAnders, GAnders, JKAnderson, KJAndreazza, AAndrei, VAngelidakis, SAngelozzi, IAnger, PAngerami, AAnghinolfi, FAnisenkov, AVAnjos, NAnnovi, AAntel, CAntonelli, MAntonov, AAnulli, FAoki, MBella, L AperioArabidze, GArai, YAraque, JPArce, ATHArduh, FAArguin, J-FArgyropoulos, SArik, MArmbruster, AJArmitage, LJArnaez, OArnold, H2017-06-01Two-particle pseudorapidity correlations are measured in sNN=2.76TeVPb+Pb, sNN=5.02TeVp+Pb, and s=13TeVpp collisions at the Large Hadron Collider (LHC), with total integrated luminosities of approximately 7μb−1, 28 nb−1, and 65 nb−1, respectively. The correlation function CN(η1,η2) is measured as a function of event multiplicity using charged particles in the pseudorapidity range |η|<2.4. The correlation function contains a significant short-range component, which is estimated and subtracted. After removal of the short-range component, the shape of the correlation function is described approximately by 1+〈a12〉1/2η1η2 in all collision systems over the full multiplicity range. The values of 〈a12〉1/2 are consistent for the opposite-charge pairs and same-charge pairs, and for the three collision systems at similar multiplicity. The values of 〈a12〉1/2 and the magnitude of the short-range component both follow a power-law dependence on the event multiplicity. The short-range component in p + Pb collisions, after symmetrizing the proton and lead directions, is found to be smaller at a given η than in pp collisions with comparable multiplicity.5106 Nuclear and Plasma Physics (for-2020)5107 Particle and High Energy Physics (for-2020)51 Physical Sciences (for-2020)hep-exhep-exnucl-ex5106 Nuclear and plasma physics (for-2020)application/pdfCC-BYeScholarship, University of Californiahttps://escholarship.org/uc/item/0221z4m1https://escholarship.org/content/qt0221z4m1/qt0221z4m1.pdfinfo:doi/10.1103/physrevc.95.064914articlePhysical Review C, vol 95, iss 6064914oai:escholarship.org:ark:/13030/qt1d3883x72026-04-04T11:44:27Zqt1d3883x7Performance of the ATLAS Transition Radiation Tracker in Run 1 of the LHC: tracker propertiesAaboud, MAad, GAbbott, BAbdallah, JAbdinov, OAbeloos, BAbidi, SHAbouZeid, OSAbraham, NLAbramowicz, HAbreu, HAbreu, RAbulaiti, YAcharya, BSAdachi, SAdamczyk, LAdams, DLAdelman, JAdersberger, MAdye, TAffolder, AAAgatonovic-Jovin, TAgheorghiesei, CAguilar-Saavedra, JAAhlen, SPAhmadov, FAielli, GAkatsuka, SAkerstedt, HÅkesson, TPAAkimov, AVAlberghi, GLAlbert, JVerzini, MJ AlconadaAleksa, MAleksandrov, INAlexa, CAlexander, GAlexopoulos, TAlhroob, MAli, BAliev, MAlimonti, GAlison, JAlkire, SPAllbrooke, BMMAllen, BWAllport, PPAloisio, AAlonso, AAlonso, FAlpigiani, CAlshehri, AAAlstaty, MGonzalez, B AlvarezPiqueras, D ÁlvarezAlviggi, MGAmadio, BTCoutinho, Y AmaralAmelung, CAmidei, DDos Santos, SP AmorAmorim, AAmoroso, SAmundsen, GAnastopoulos, CAncu, LSAndari, NAndeen, TAnders, CFAnders, JKAnderson, KJAndreazza, AAndrei, VAngelidakis, SAngelozzi, IAngerami, AAnghinolfi, FAnisenkov, AVAnjos, NAnnovi, AAntel, CAntonelli, MAntonov, AAntrim, DJAnulli, FAoki, MBella, L AperioArabidze, GArai, YAraque, JPFerraz, V AraujoArce, ATHArdell, REArduh, FAArguin, J-FArgyropoulos, SArik, MArmbruster, AJArmitage, LJ2017-05-01The tracking performance parameters of the ATLAS Transition Radiation Tracker (TRT) as part of the ATLAS inner detector are described in this paper for different data-taking conditions in proton-proton, proton-lead and lead-lead collisions at the Large Hadron Collider (LHC). The performance is studied using data collected during the first period of LHC operation (Run 1) and is compared with Monte Carlo simulations. The performance of the TRT, operating with two different gas mixtures (xenon-based and argon-based) and its dependence on the TRT occupancy is presented. These studies show that the tracking performance of the TRT is similar for the two gas mixtures and that a significant contribution to the particle momentum resolution is made by the TRT up to high particle densities.5106 Nuclear and Plasma Physics (for-2020)5107 Particle and High Energy Physics (for-2020)5110 Synchrotrons and Accelerators (for-2020)51 Physical Sciences (for-2020)Particle tracking detectors (Gaseous detectors)Transition radiation detectorshep-exhep-ex02 Physical Sciences (for)09 Engineering (for)Nuclear & Particles Physics (science-metrix)40 Engineering (for-2020)51 Physical sciences (for-2020)application/pdfCC-BYeScholarship, University of Californiahttps://escholarship.org/uc/item/1d3883x7https://escholarship.org/content/qt1d3883x7/qt1d3883x7.pdfinfo:doi/10.1088/1748-0221/12/05/p05002articleJournal of Instrumentation, vol 12, iss 05p05002 - p05002oai:escholarship.org:ark:/13030/qt8zm6n7g52026-04-04T11:44:17Zqt8zm6n7g5Measurement of jet fragmentation in Pb+Pb and pp collisions at sNN=2.76 TeV with the ATLAS detector at the LHCAaboud, MAad, GAbbott, BAbdallah, JAbdinov, OAbeloos, BAbidi, SHAbouZeid, OSAbraham, NLAbramowicz, HAbreu, HAbreu, RAbulaiti, YAcharya, BSAdachi, SAdamczyk, LAdelman, JAdersberger, MAdye, TAffolder, AAAgatonovic-Jovin, TAgheorghiesei, CAguilar-Saavedra, JAAhlen, SPAhmadov, FAielli, GAkatsuka, SAkerstedt, HÅkesson, TPAAkimov, AVAlberghi, GLAlbert, JAlconada Verzini, MJAleksa, MAleksandrov, INAlexa, CAlexander, GAlexopoulos, TAlhroob, MAli, BAliev, MAlimonti, GAlison, JAlkire, SPAllbrooke, BMMAllen, BWAllport, PPAloisio, AAlonso, AAlonso, FAlpigiani, CAlshehri, AAAlstaty, MAlvarez Gonzalez, BÁlvarez Piqueras, DAlviggi, MGAmadio, BTAmaral Coutinho, YAmelung, CAmidei, DAmor Dos Santos, SPAmorim, AAmoroso, SAmundsen, GAnastopoulos, CAncu, LSAndari, NAndeen, TAnders, CFAnders, JKAnderson, KJAndreazza, AAndrei, VAngelidakis, SAngelozzi, IAngerami, AAnghinolfi, FAnisenkov, AVAnjos, NAnnovi, AAntel, CAntonelli, MAntonov, AAntrim, DJAnulli, FAoki, MAperio Bella, LArabidze, GArai, YAraque, JPAraujo Ferraz, VArce, ATHArdell, REArduh, FAArguin, J-FArgyropoulos, SArik, MArmbruster, AJArmitage, LJArnaez, O2017-06-01The distributions of transverse momentum and longitudinal momentum fraction of charged particles in jets are measured in Pb+Pb and pp collisions with the ATLAS detector at the LHC. The distributions are measured as a function of jet transverse momentum and rapidity. The analysis utilises an integrated luminosity of 0.14 nb-1$$^{-1}$$ of Pb+Pb data and 4.0 pb-1$$^{-1}$$ of pp data collected in 2011 and 2013, respectively, at the same centre-of-mass energy of 2.76 TeV per colliding nucleon pair. The distributions measured in pp collisions are used as a reference for those measured in Pb+Pb collisions in order to evaluate the impact on the internal structure of jets from the jet energy loss of fast partons propagating through the hot, dense medium created in heavy-ion collisions. Modest but significant centrality-dependent modifications of fragmentation functions in Pb+Pb collisions with respect to those in pp collisions are seen. No significant dependence of modifications on jet pT$$p_\mathrm{T}$$ and rapidity selections is observed except for the fragments with the highest transverse momenta for which some reduction of yields is observed for more forward jets.5106 Nuclear and Plasma Physics (for-2020)5107 Particle and High Energy Physics (for-2020)51 Physical Sciences (for-2020)ATLAS CollaborationATLAS CollaborationATLAS Collaborationhep-exhep-exnucl-ex0202 AtomicMolecularNuclearParticle and Plasma Physics (for)0206 Quantum Physics (for)Nuclear & Particles Physics (science-metrix)5101 Astronomical sciences (for-2020)5102 Atomicmolecular and optical physics (for-2020)5107 Particle and high energy physics (for-2020)application/pdfCC-BYeScholarship, University of Californiahttps://escholarship.org/uc/item/8zm6n7g5https://escholarship.org/content/qt8zm6n7g5/qt8zm6n7g5.pdfinfo:doi/10.1140/epjc/s10052-017-4915-5articleEuropean Physical Journal C, vol 77, iss 6379oai:escholarship.org:ark:/13030/qt356235x92026-04-04T11:44:05Zqt356235x9Measurements of the production cross section of a Z boson in association with jets in pp collisions at s=13 TeV with the ATLAS detectorAaboud, MAad, GAbbott, BAbdallah, JAbdinov, OAbeloos, BAben, RAbouZeid, OSAbraham, NLAbramowicz, HAbreu, HAbreu, RAbulaiti, YAcharya, BSAdachi, SAdamczyk, LAdams, DLAdelman, JAdomeit, SAdye, TAffolder, AAAgatonovic-Jovin, TAguilar-Saavedra, JAAhlen, SPAhmadov, FAielli, GAkerstedt, HÅkesson, TPAAkimov, AVAlberghi, GLAlbert, JAlbrand, SAlconada Verzini, MJAleksa, MAleksandrov, INAlexa, CAlexander, GAlexopoulos, TAlhroob, MAli, BAliev, MAlimonti, GAlison, JAlkire, SPAllbrooke, BMMAllen, BWAllport, PPAloisio, AAlonso, AAlonso, FAlpigiani, CAlshehri, AAAlstaty, MAlvarez Gonzalez, BÁlvarez Piqueras, DAlviggi, MGAmadio, BTAmaral Coutinho, YAmelung, CAmidei, DAmor Dos Santos, SPAmorim, AAmoroso, SAmundsen, GAnastopoulos, CAncu, LSAndari, NAndeen, TAnders, CFAnders, GAnders, JKAnderson, KJAndreazza, AAndrei, VAngelidakis, SAngelozzi, IAngerami, AAnghinolfi, FAnisenkov, AVAnjos, NAnnovi, AAntel, CAntonelli, MAntonov, AAntrim, DJAnulli, FAoki, MAperio Bella, LArabidze, GArai, YAraque, JPArce, ATHArduh, FAArguin, J-FArgyropoulos, SArik, MArmbruster, AJArmitage, LJArnaez, OArnold, H2017-06-01Measurements of the production cross section of a Z$$Z$$ boson in association with jets in proton–proton collisions at s=13$$\sqrt{s} = 13$$ TeV are presented, using data corresponding to an integrated luminosity of 3.16 fb-1$$^{-1}$$ collected by the ATLAS experiment at the CERN Large Hadron Collider in 2015. Inclusive and differential cross sections are measured for events containing a Z$$Z$$ boson decaying to electrons or muons and produced in association with up to seven jets with pT>30$$p_{\text {T}} > 30$$ GeV and |y|<2.5$$|y| <2.5$$. Predictions from different Monte Carlo generators based on leading-order and next-to-leading-order matrix elements for up to two additional partons interfaced with parton shower and fixed-order predictions at next-to-leading order and next-to-next-to-leading order are compared with the measured cross sections. Good agreement within the uncertainties is observed for most of the modelled quantities, in particular with the generators which use next-to-leading-order matrix elements and the more recent next-to-next-to-leading-order fixed-order predictions.5106 Nuclear and Plasma Physics (for-2020)5107 Particle and High Energy Physics (for-2020)51 Physical Sciences (for-2020)ATLAS Collaborationhep-exhep-ex0202 AtomicMolecularNuclearParticle and Plasma Physics (for)0206 Quantum Physics (for)Nuclear & Particles Physics (science-metrix)5101 Astronomical sciences (for-2020)5102 Atomicmolecular and optical physics (for-2020)5107 Particle and high energy physics (for-2020)application/pdfpubliceScholarship, University of Californiahttps://escholarship.org/uc/item/356235x9https://escholarship.org/content/qt356235x9/qt356235x9.pdfinfo:doi/10.1140/epjc/s10052-017-4900-zarticleEuropean Physical Journal C, vol 77, iss 6361oai:escholarship.org:ark:/13030/qt2124c51m2026-04-04T11:43:54Zqt2124c51mPerformance of the ATLAS trigger system in 2015Atlas CollaborationAaboud, MAad, GAbbott, BAbdallah, JAbdinov, OAbeloos, BAben, RAbouZeid, OSAbraham, NLAbramowicz, HAbreu, HAbreu, RAbulaiti, YAcharya, BSAdachi, SAdamczyk, LAdams, DLAdelman, JAdomeit, SAdye, TAffolder, AAAgatonovic-Jovin, TAguilar-Saavedra, JAAhlen, SPAhmadov, FAielli, GAkerstedt, HÅkesson, TPAAkimov, AVAlberghi, GLAlbert, JAlbrand, SAlconada Verzini, MJAleksa, MAleksandrov, INAlexa, CAlexander, GAlexopoulos, TAlhroob, MAli, BAliev, MAlimonti, GAlison, JAlkire, SPAllbrooke, BMMAllen, BWAllport, PPAloisio, AAlonso, AAlonso, FAlpigiani, CAlshehri, AAAlstaty, MAlvarez Gonzalez, BÁlvarez Piqueras, DAlviggi, MGAmadio, BTAmaral Coutinho, YAmelung, CAmidei, DAmor Dos Santos, SPAmorim, AAmoroso, SAmundsen, GAnastopoulos, CAncu, LSAndari, NAndeen, TAnders, CFAnders, GAnders, JKAnderson, KJAndreazza, AAndrei, VAngelidakis, SAngelozzi, IAngerami, AAnghinolfi, FAnisenkov, AVAnjos, NAnnovi, AAntel, CAntonelli, MAntonov, AAntrim, DJAnulli, FAoki, MAperio Bella, LArabidze, GArai, YAraque, JPArce, ATHArduh, FAArguin, J-FArgyropoulos, SArik, MArmbruster, AJArmitage, LJArnaez, O2017-05-01During 2015 the ATLAS experiment recorded 3.8fb-1$$3.8\,{\mathrm{fb}}^{-1}$$ of proton–proton collision data at a centre-of-mass energy of 13TeV$$13\,{\mathrm{TeV}}$$. The ATLAS trigger system is a crucial component of the experiment, responsible for selecting events of interest at a recording rate of approximately 1 kHz from up to 40 MHz of collisions. This paper presents a short overview of the changes to the trigger and data acquisition systems during the first long shutdown of the LHC and shows the performance of the trigger system and its components based on the 2015 proton–proton collision data.5107 Particle and High Energy Physics (for-2020)51 Physical Sciences (for-2020)Atlas CollaborationAtlas CollaborationAtlas CollaborationAtlas Collaborationhep-exhep-ex0202 AtomicMolecularNuclearParticle and Plasma Physics (for)0206 Quantum Physics (for)Nuclear & Particles Physics (science-metrix)5101 Astronomical sciences (for-2020)5102 Atomicmolecular and optical physics (for-2020)5107 Particle and high energy physics (for-2020)application/pdfpubliceScholarship, University of Californiahttps://escholarship.org/uc/item/2124c51mhttps://escholarship.org/content/qt2124c51m/qt2124c51m.pdfinfo:doi/10.1140/epjc/s10052-017-4852-3articleEuropean Physical Journal C, vol 77, iss 5317oai:escholarship.org:ark:/13030/qt3t82q2rx2026-04-04T11:43:42Zqt3t82q2rxProbing the W tb vertex structure in t-channel single-top-quark production and decay in pp collisions at s=8 TeV with the ATLAS detectorThe ATLAS collaborationAaboud, MAad, GAbbott, BAbdallah, JAbdinov, OAbeloos, BAbouZeid, OSAbraham, NLAbramowicz, HAbreu, HAbreu, RAbulaiti, YAcharya, BSAdachi, SAdamczyk, LAdams, DLAdelman, JAdomeit, SAdye, TAffolder, AAAgatonovic-Jovin, TAguilar-Saavedra, JAAhlen, SPAhmadov, FAielli, GAkerstedt, HÅkesson, TPAAkimov, AVAlberghi, GLAlbert, JAlbrand, SVerzini, MJ AlconadaAleksa, MAleksandrov, INAlexa, CAlexander, GAlexopoulos, TAlhroob, MAli, BAliev, MAlimonti, GAlison, JAlkire, SPAllbrooke, BMMAllen, BWAllport, PPAloisio, AAlonso, AAlonso, FAlpigiani, CAlshehri, AAAlstaty, MGonzalez, B AlvarezPiqueras, D ÁlvarezAlviggi, MGAmadio, BTCoutinho, Y AmaralAmelung, CAmidei, DSantos, SP Amor DosAmorim, AAmoroso, SAmundsen, GAnastopoulos, CAncu, LSAndari, NAndeen, TAnders, CFAnders, JKAnderson, KJAndreazza, AAndrei, VAngelidakis, SAngelozzi, IAngerami, AAnghinolfi, FAnisenkov, AVAnjos, NAnnovi, AAntel, CAntonelli, MAntonov, AAntrim, DJAnulli, FAoki, MBella, L AperioArabidze, GArai, YAraque, JPFerraz, V AraujoArce, ATHArduh, FAArguin, J-FArgyropoulos, SArik, MArmbruster, AJArmitage, LJArnaez, OArnold, H2017-04-01To probe the W tb vertex structure, top-quark and W -boson polarisation observables are measured from t-channel single-top-quark events produced in proton-proton collisions at a centre-of-mass energy of 8 TeV. The dataset corresponds to an integrated luminosity of 20.2 fb−1, recorded with the ATLAS detector at the LHC. Selected events contain one isolated electron or muon, large missing transverse momentum and exactly two jets, with one of them identified as likely to contain a b-hadron. Stringent selection requirements are applied to discriminate t-channel single-top-quark events from background. The polarisation observables are extracted from asymmetries in angular distributions measured with respect to spin quantisation axes appropriately chosen for the top quark and the W boson. The asymmetry measurements are performed at parton level by correcting the observed angular distributions for detector effects and hadronisation after subtracting the background contributions. The measured top-quark and W -boson polarisation values are in agreement with the Standard Model predictions. Limits on the imaginary part of the anomalous coupling gR are also set from model-independent measurements.5106 Nuclear and Plasma Physics (for-2020)5107 Particle and High Energy Physics (for-2020)4902 Mathematical Physics (for-2020)49 Mathematical Sciences (for-2020)51 Physical Sciences (for-2020)Hadron-Hadron scattering (experiments)hep-exhep-ex0105 Mathematical Physics (for)0202 AtomicMolecularNuclearParticle and Plasma Physics (for)0206 Quantum Physics (for)Nuclear & Particles Physics (science-metrix)4902 Mathematical physics (for-2020)5106 Nuclear and plasma physics (for-2020)5107 Particle and high energy physics (for-2020)publiceScholarship, University of Californiahttps://escholarship.org/uc/item/3t82q2rxinfo:doi/10.1007/jhep04(2017)124articleJournal of High Energy Physics, vol 2017, iss 4124oai:escholarship.org:ark:/13030/qt2qw3m20q2026-04-04T11:43:32Zqt2qw3m20qMeasurement of the tt¯ production cross section in the τ+jets final state in pp collisions at s=8 TeV using the ATLAS detectorAaboud, MAad, GAbbott, BAbdallah, JAbdinov, OAbeloos, BAbouZeid, OSAbraham, NLAbramowicz, HAbreu, HAbreu, RAbulaiti, YAcharya, BSAdachi, SAdamczyk, LAdams, DLAdelman, JAdomeit, SAdye, TAffolder, AAAgatonovic-Jovin, TAguilar-Saavedra, JAAhlen, SPAhmadov, FAielli, GAkerstedt, HÅkesson, TPAAkimov, AVAlberghi, GLAlbert, JAlbrand, SVerzini, MJ AlconadaAleksa, MAleksandrov, INAlexa, CAlexander, GAlexopoulos, TAlhroob, MAli, BAliev, MAlimonti, GAlison, JAlkire, SPAllbrooke, BMMAllen, BWAllport, PPAloisio, AAlonso, AAlonso, FAlpigiani, CAlshehri, AAAlstaty, MGonzalez, B AlvarezPiqueras, D ÁlvarezAlviggi, MGAmadio, BTCoutinho, Y AmaralAmelung, CAmidei, DDos Santos, SP AmorAmorim, AAmoroso, SAmundsen, GAnastopoulos, CAncu, LSAndari, NAndeen, TAnders, CFAnders, JKAnderson, KJAndreazza, AAndrei, VAngelidakis, SAngelozzi, IAngerami, AAnghinolfi, FAnisenkov, AVAnjos, NAnnovi, AAntel, CAntonelli, MAntonov, AAntrim, DJAnulli, FAoki, MBella, L AperioArabidze, GArai, YAraque, JPArce, ATHArduh, FAArguin, J-FArgyropoulos, SArik, MArmbruster, AJArmitage, LJArnaez, OArnold, HArratia, MArslan, O2017-04-01A measurement of the inclusive pp→tt¯+X production cross section in the τ+jets final state using only the hadronic decays of the τ lepton is presented. The measurement is performed using 20.2 fb-1 of proton-proton collision data recorded at a center-of-mass energy of s=8 TeV with the ATLAS detector at the Large Hadron Collider. The cross section is measured via a counting experiment by imposing a set of selection criteria on the identification and kinematic variables of the reconstructed particles and jets, and on event kinematic variables and characteristics. The production cross section is measured to be σtt¯=239±29 pb, which is in agreement with the measurements in other final states and the theoretical predictions at this center-of-mass energy.5106 Nuclear and Plasma Physics (for-2020)5107 Particle and High Energy Physics (for-2020)51 Physical Sciences (for-2020)hep-exhep-exapplication/pdfCC-BYeScholarship, University of Californiahttps://escholarship.org/uc/item/2qw3m20qhttps://escholarship.org/content/qt2qw3m20q/qt2qw3m20q.pdfinfo:doi/10.1103/physrevd.95.072003articlePhysical Review D, vol 95, iss 7072003oai:escholarship.org:ark:/13030/qt5nx445dp2026-04-04T11:43:22Zqt5nx445dpPerformance of algorithms that reconstruct missing transverse momentum in s= 8 TeV proton–proton collisions in the ATLAS detectorAad, GAbbott, BAbdallah, JAbdinov, OAbeloos, BAben, RAbolins, MAbouZeid, OSAbramowicz, HAbreu, HAbreu, RAbulaiti, YAcharya, BSAdamczyk, LAdams, DLAdelman, JAdomeit, SAdye, TAffolder, AAAgatonovic-Jovin, TAgricola, JAguilar-Saavedra, JAAhlen, SPAhmadov, FAielli, GAkerstedt, HÅkesson, TPAAkimov, AVAlberghi, GLAlbert, JAlbrand, SAlconada Verzini, MJAleksa, MAleksandrov, INAlexa, CAlexander, GAlexopoulos, TAlhroob, MAlimonti, GAlio, LAlison, JAlkire, SPAllbrooke, BMMAllen, BWAllport, PPAloisio, AAlonso, AAlonso, FAlpigiani, CAlvarez Gonzalez, BPiqueras, D ÁlvarezAlviggi, MGAmadio, BTAmako, KAmaral Coutinho, YAmelung, CAmidei, DDos Santos, SP AmorAmorim, AAmoroso, SAmram, NAmundsen, GAnastopoulos, CAncu, LSAndari, NAndeen, TAnders, CFAnders, GAnders, JKAnderson, KJAndreazza, AAndrei, VAngelidakis, SAngelozzi, IAnger, PAngerami, AAnghinolfi, FAnisenkov, AVAnjos, NAnnovi, AAntonelli, MAntonov, AAntos, JAnulli, FAoki, MAperio Bella, LArabidze, GArai, YAraque, JPArce, ATHArduh, FAArguin, J-FArgyropoulos, SArik, MArmbruster, AJArnaez, OArnold, HArratia, MArslan, OArtamonov, A2017-04-01The reconstruction and calibration algorithms used to calculate missing transverse momentum (ETmiss$$E_{\text {T}}^{\text {miss}}$$ ) with the ATLAS detector exploit energy deposits in the calorimeter and tracks reconstructed in the inner detector as well as the muon spectrometer. Various strategies are used to suppress effects arising from additional proton–proton interactions, called pileup, concurrent with the hard-scatter processes. Tracking information is used to distinguish contributions from the pileup interactions using their vertex separation along the beam axis. The performance of the ETmiss$$E_{\text {T}}^{\text {miss}}$$ reconstruction algorithms, especially with respect to the amount of pileup, is evaluated using data collected in proton–proton collisions at a centre-of-mass energy of 8 TeV$$\text {TeV}$$ during 2012, and results are shown for a data sample corresponding to an integrated luminosity of 20.3fb-1$$20.3\, \mathrm{fb}^{-1}$$. The simulation and modelling of ETmiss$$E_{\text {T}}^{\text {miss}}$$ in events containing a Z boson decaying to two charged leptons (electrons or muons) or a W boson decaying to a charged lepton and a neutrino are compared to data. The acceptance for different event topologies, with and without high transverse momentum neutrinos, is shown for a range of threshold criteria for ETmiss$$E_{\text {T}}^{\text {miss}}$$ , and estimates of the systematic uncertainties in the ETmiss$$E_{\text {T}}^{\text {miss}}$$ measurements are presented.5106 Nuclear and Plasma Physics (for-2020)5107 Particle and High Energy Physics (for-2020)51 Physical Sciences (for-2020)ATLAS CollaborationATLAS CollaborationATLAS Collaborationhep-exhep-ex0202 AtomicMolecularNuclearParticle and Plasma Physics (for)0206 Quantum Physics (for)Nuclear & Particles Physics (science-metrix)5101 Astronomical sciences (for-2020)5102 Atomicmolecular and optical physics (for-2020)5107 Particle and high energy physics (for-2020)application/pdfpubliceScholarship, University of Californiahttps://escholarship.org/uc/item/5nx445dphttps://escholarship.org/content/qt5nx445dp/qt5nx445dp.pdfinfo:doi/10.1140/epjc/s10052-017-4780-2articleEuropean Physical Journal C, vol 77, iss 4241oai:escholarship.org:ark:/13030/qt6zr6c0s62026-04-04T11:43:11Zqt6zr6c0s6A measurement of material in the ATLAS tracker using secondary hadronic interactions in 7 TeV pp collisionsAaboud, MAad, GAbbott, BAbdallah, JAbdinov, OAbeloos, BAben, RAbouZeid, OSAbraham, NLAbramowicz, HAbreu, HAbreu, RAbulaiti, YAcharya, BSAdamczyk, LAdams, DLAdelman, JAdomeit, SAdye, TAffolder, AAAgatonovic-Jovin, TAgricola, JAguilar-Saavedra, JAAhlen, SPAhmadov, FAielli, GAkerstedt, HÅkesson, TPAAkimov, AVAlberghi, GLAlbert, JAlbrand, SVerzini, MJ AlconadaAleksa, MAleksandrov, INAlexa, CAlexander, GAlexopoulos, TAlhroob, MAli, BAliev, MAlimonti, GAlison, JAlkire, SPAllbrooke, BMMAllen, BWAllport, PPAloisio, AAlonso, AAlonso, FAlpigiani, CAlstaty, MGonzalez, B AlvarezPiqueras, D ÁlvarezAlviggi, MGAmadio, BTAmako, KCoutinho, Y AmaralAmelung, CAmidei, DDos Santos, SP AmorAmorim, AAmoroso, SAmundsen, GAnastopoulos, CAncu, LSAndari, NAndeen, TAnders, CFAnders, GAnders, JKAnderson, KJAndreazza, AAndrei, VAngelidakis, SAngelozzi, IAnger, PAngerami, AAnghinolfi, FAnisenkov, AVAnjos, NAnnovi, AAntel, CAntonelli, MAntonov, AAnulli, FAoki, MBella, L AperioArabidze, GArai, YAraque, JPArce, ATHArduh, FAArguin, J-FArgyropoulos, SArik, MArmbruster, AJArmitage, LJArnaez, OArnold, H2016-11-01Knowledge of the material in the ATLAS inner tracking detector is crucial in understanding the reconstruction of charged-particle tracks, the performance of algorithms that identify jets containing b-hadrons and is also essential to reduce background in searches for exotic particles that can decay within the inner detector volume. Interactions of primary hadrons produced in pp collisions with the material in the inner detector are used to map the location and amount of this material. The hadronic interactions of primary particles may result in secondary vertices, which in this analysis are reconstructed by an inclusive vertex-finding algorithm. Data were collected using minimum-bias triggers by the ATLAS detector operating at the LHC during 2010 at centre-of-mass energy √s = 7 TeV, and correspond to an integrated luminosity of 19 nb−1. Kinematic properties of these secondary vertices are used to study the validity of the modelling of hadronic interactions in simulation. Secondary-vertex yields are compared between data and simulation over a volume of about 0.7 m3 around the interaction point, and agreement is found within overall uncertainties.5106 Nuclear and Plasma Physics (for-2020)5107 Particle and High Energy Physics (for-2020)51 Physical Sciences (for-2020)Detector modelling and simulations I (interaction of radiation with matterinteractionof photons with matterinteraction of hadrons with matteretc)Performance of High Energy Physics Detectorshep-exhep-ex02 Physical Sciences (for)09 Engineering (for)Nuclear & Particles Physics (science-metrix)40 Engineering (for-2020)51 Physical sciences (for-2020)application/pdfCC-BYeScholarship, University of Californiahttps://escholarship.org/uc/item/6zr6c0s6https://escholarship.org/content/qt6zr6c0s6/qt6zr6c0s6.pdfinfo:doi/10.1088/1748-0221/11/11/p11020articleJournal of Instrumentation, vol 11, iss 11p11020 - p11020oai:escholarship.org:ark:/13030/qt5fp6v3nx2026-04-04T11:43:02Zqt5fp6v3nxHigh-ET isolated-photon plus jets production in pp collisions at s=8 TeV with the ATLAS detectorCollaboration, The ATLASAaboud, MAad, GAbbott, BAbdallah, JAbdinov, OAbeloos, BAbouZeid, OSAbraham, NLAbramowicz, HAbreu, HAbreu, RAbulaiti, YAcharya, BSAdachi, SAdamczyk, LAdams, DLAdelman, JAdomeit, SAdye, TAffolder, AAAgatonovic-Jovin, TAguilar-Saavedra, JAAhlen, SPAhmadov, FAielli, GAkerstedt, HÅkesson, TPAAkimov, AVAlberghi, GLAlbert, JAlbrand, SVerzini, MJ AlconadaAleksa, MAleksandrov, INAlexa, CAlexander, GAlexopoulos, TAlhroob, MAli, BAliev, MAlimonti, GAlison, JAlkire, SPAllbrooke, BMMAllen, BWAllport, PPAloisio, AAlonso, AAlonso, FAlpigiani, CAlshehri, AAAlstaty, MGonzalez, B AlvarezPiqueras, D ÁlvarezAlviggi, MGAmadio, BTCoutinho, Y AmaralAmelung, CAmidei, DDos Santos, SP AmorAmorim, AAmoroso, SAmundsen, GAnastopoulos, CAncu, LSAndari, NAndeen, TAnders, CFAnders, JKAnderson, KJAndreazza, AAndrei, VAngelidakis, SAngelozzi, IAngerami, AAnghinolfi, FAnisenkov, AVAnjos, NAnnovi, AAntel, CAntonelli, MAntonov, AAntrim, DJAnulli, FAoki, MBella, L AperioArabidze, GArai, YAraque, JPArce, ATHArduh, FAArguin, J-FArgyropoulos, SArik, MArmbruster, AJArmitage, LJArnaez, OArnold, HArratia, M2017-05-01The dynamics of isolated-photon plus one-, two- and three-jet production in pp collisions at a centre-of-mass energy of 8 TeV are studied with the ATLAS detector at the LHC using a data set with an integrated luminosity of 20.2 fb−1. Measurements of isolated-photon plus jets cross sections are presented as functions of the photon and jet transverse momenta. The cross sections as functions of the azimuthal angle between the photon and the jets, the azimuthal angle between the jets, the photon–jet invariant mass and the scattering angle in the photon–jet centre-of-mass system are presented. The pattern of QCD radiation around the photon and the leading jet is investigated by measuring jet production in an annular region centred on each object; enhancements are observed around the leading jet with respect to the photon in the directions towards the beams. The experimental measurements are compared to several different theoretical calculations, and overall a good description of the data is found.5106 Nuclear and Plasma Physics (for-2020)5107 Particle and High Energy Physics (for-2020)51 Physical Sciences (for-2020)hep-exhep-ex0105 Mathematical Physics (for)0202 AtomicMolecularNuclearParticle and Plasma Physics (for)0206 Quantum Physics (for)Nuclear & Particles Physics (science-metrix)4902 Mathematical physics (for-2020)5107 Particle and high energy physics (for-2020)application/pdfpubliceScholarship, University of Californiahttps://escholarship.org/uc/item/5fp6v3nxhttps://escholarship.org/content/qt5fp6v3nx/qt5fp6v3nx.pdfinfo:doi/10.1016/j.nuclphysb.2017.03.006articleNuclear Physics B, vol 918257 - 316oai:escholarship.org:ark:/13030/qt4hn9v2442026-04-04T11:41:42Zqt4hn9v244Addendum to ‘Measurement of the tt¯ production cross-section using eμ events with b-tagged jets in pp collisions at s = 7 and 8 TeV with the ATLAS detector’Aad, GAbbott, BAbdallah, JAbdel Khalek, SAbdinov, OAben, RAbi, BAbolins, MAbouZeid, OSAbramowicz, HAbreu, HAbreu, RAbulaiti, YAcharya, BSAdamczyk, LAdams, DLAdelman, JAdomeit, SAdye, TAgatonovic-Jovin, TAguilar-Saavedra, JAAgustoni, MAhlen, SPAhmadov, FAielli, GAkerstedt, HÅkesson, TPAAkimoto, GAkimov, AVAlberghi, GLAlbert, JAlbrand, SAlconada Verzini, MJAleksa, MAleksandrov, INAlexa, CAlexander, GAlexandre, GAlexopoulos, TAlhroob, MAlimonti, GAlio, LAlison, JAllbrooke, BMMAllison, LJAllport, PPAlmond, JAloisio, AAlonso, AAlonso, FAlpigiani, CAltheimer, AAlvarez Gonzalez, BAlviggi, MGAmako, KAmaral Coutinho, YAmelung, CAmidei, DSantos, SP Amor DosAmorim, AAmoroso, SAmram, NAmundsen, GAnastopoulos, CAncu, LSAndari, NAndeen, TAnders, CFAnders, GAnderson, KJAndreazza, AAndrei, VAnduaga, XSAngelidakis, SAngelozzi, IAnger, PAngerami, AAnghinolfi, FAnisenkov, AVAnjos, NAnnovi, AAntonaki, AAntonelli, MAntonov, AAntos, JAnulli, FAoki, MAperio Bella, LApolle, RArabidze, GAracena, IArai, YAraque, JPArce, ATHArguin, J-FArgyropoulos, SArik, MArmbruster, AJArnaez, OArnal, V2016-11-01The ATLAS measurement of the inclusive top quark pair (tt¯$$t\bar{t}$$) cross-section σtt¯$$\sigma _{t\bar{t}}$$ in proton–proton collisions at s=8$$\sqrt{s}=8$$ TeV$$\,\mathrm{TeV}$$ has been updated using the final 2012 luminosity calibration. The updated cross-section result is: σtt¯=242.9±1.7±5.5±5.1±4.2pb,$$\begin{aligned} \sigma _{t\bar{t}}= 242.9\pm 1.7\pm 5.5\pm 5.1\pm 4.2\,\mathrm pb, \end{aligned}$$where the four uncertainties arise from data statistics, experimental and theoretical systematic effects, knowledge of the integrated luminosity and of the LHC beam energy. The result is consistent with theoretical QCD calculations at next-to-next-to-leading order. The measurement of the ratio of tt¯$$t\bar{t}$$ cross-sections at s=8$$\sqrt{s}=8$$ TeV$$\,\mathrm{TeV}$$ and s=7$$\sqrt{s}=7$$ TeV$$\,\mathrm{TeV}$$, and the s=8$$\sqrt{s}=8$$ TeV$$\,\mathrm{TeV}$$ fiducial measurement corresponding to the experimental acceptance of the leptons, have also been updated.5106 Nuclear and Plasma Physics (for-2020)5107 Particle and High Energy Physics (for-2020)51 Physical Sciences (for-2020)0202 AtomicMolecularNuclearParticle and Plasma Physics (for)0206 Quantum Physics (for)Nuclear & Particles Physics (science-metrix)5101 Astronomical sciences (for-2020)5102 Atomicmolecular and optical physics (for-2020)5107 Particle and high energy physics (for-2020)application/pdfCC-BYeScholarship, University of Californiahttps://escholarship.org/uc/item/4hn9v244https://escholarship.org/content/qt4hn9v244/qt4hn9v244.pdfinfo:doi/10.1140/epjc/s10052-016-4501-2articleEuropean Physical Journal C, vol 76, iss 11642oai:escholarship.org:ark:/13030/qt2b2153k12026-04-04T11:41:30Zqt2b2153k1Search for triboson W±W±W∓ production in pp collisions at s=8 TeV with the ATLAS detectorAaboud, MAad, GAbbott, BAbdallah, JAbdinov, OAbeloos, BAben, RAbouZeid, OSAbraham, NLAbramowicz, HAbreu, HAbreu, RAbulaiti, YAcharya, BSAdachi, SAdamczyk, LAdams, DLAdelman, JAdomeit, SAdye, TAffolder, AAAgatonovic-Jovin, TAgricola, JAguilar-Saavedra, JAAhlen, SPAhmadov, FAielli, GAkerstedt, HÅkesson, TPAAkimov, AVAlberghi, GLAlbert, JAlbrand, SAlconada Verzini, MJAleksa, MAleksandrov, INAlexa, CAlexander, GAlexopoulos, TAlhroob, MAli, BAliev, MAlimonti, GAlison, JAlkire, SPAllbrooke, BMMAllen, BWAllport, PPAloisio, AAlonso, AAlonso, FAlpigiani, CAlshehri, AAAlstaty, MGonzalez, B AlvarezPiqueras, D ÁlvarezAlviggi, MGAmadio, BTAmako, KCoutinho, Y AmaralAmelung, CAmidei, DAmor Dos Santos, SPAmorim, AAmoroso, SAmundsen, GAnastopoulos, CAncu, LSAndari, NAndeen, TAnders, CFAnders, GAnders, JKAnderson, KJAndreazza, AAndrei, VAngelidakis, SAngelozzi, IAnger, PAngerami, AAnghinolfi, FAnisenkov, AVAnjos, NAnnovi, AAntel, CAntonelli, MAntonov, AAnulli, FAoki, MAperio Bella, LArabidze, GArai, YAraque, JPArce, ATHArduh, FAArguin, J-FArgyropoulos, SArik, MArmbruster, AJArmitage, LJ2017-03-01This paper reports a search for triboson W±W±W∓$$W^{\pm }W^{\pm }W^{\mp }$$ production in two decay channels (W±W±W∓→ℓ±νℓ±νℓ∓ν$${W^{\pm }W^{\pm }W^{\mp } \rightarrow \ell ^\pm
u \ell ^\pm
u \ell ^\mp
u }$$ and W±W±W∓→ℓ±νℓ±νjj$${W^{\pm }W^{\pm }W^{\mp } \rightarrow \ell ^\pm
u \ell ^\pm
u jj}$$ with ℓ=e,μ$$\ell =e, \mu $$) in proton-proton collision data corresponding to an integrated luminosity of 20.3 fb-1$$\mathrm{fb}^\mathrm{-1}$$ at a centre-of-mass energy of 8 TeV$$\text {TeV}$$ with the ATLAS detector at the Large Hadron Collider. Events with exactly three charged leptons, or two leptons with the same electric charge in association with two jets, are selected. The total number of events observed in data is consistent with the Standard Model (SM) predictions. The observed 95% confidence level upper limit on the SM W±W±W∓$$W^{\pm }W^{\pm }W^{\mp }$$ production cross section is found to be 730 fb with an expected limit of 560 fb in the absence of SM W±W±W∓$$W^{\pm }W^{\pm }W^{\mp }$$ production. Limits are also set on WWWW anomalous quartic gauge couplings.5106 Nuclear and Plasma Physics (for-2020)5107 Particle and High Energy Physics (for-2020)51 Physical Sciences (for-2020)ATLAS Collaborationhep-exhep-ex0202 AtomicMolecularNuclearParticle and Plasma Physics (for)0206 Quantum Physics (for)Nuclear & Particles Physics (science-metrix)5101 Astronomical sciences (for-2020)5102 Atomicmolecular and optical physics (for-2020)5107 Particle and high energy physics (for-2020)application/pdfpubliceScholarship, University of Californiahttps://escholarship.org/uc/item/2b2153k1https://escholarship.org/content/qt2b2153k1/qt2b2153k1.pdfinfo:doi/10.1140/epjc/s10052-017-4692-1articleEuropean Physical Journal C, vol 77, iss 3141oai:escholarship.org:ark:/13030/qt17t146wp2026-04-04T11:41:18Zqt17t146wpMeasurement of the W±Z boson pair-production cross section in pp collisions at s=13 TeV with the ATLAS detectorCollaboration, The ATLASAaboud, MAad, GAbbott, BAbdallah, JAbdinov, OAbeloos, BAben, RAbouZeid, OSAbraham, NLAbramowicz, HAbreu, HAbreu, RAbulaiti, YAcharya, BSAdamczyk, LAdams, DLAdelman, JAdomeit, SAdye, TAffolder, AAAgatonovic-Jovin, TAgricola, JAguilar-Saavedra, JAAhlen, SPAhmadov, FAielli, GAkerstedt, HÅkesson, TPAAkimov, AVAlberghi, GLAlbert, JAlbrand, SVerzini, MJ AlconadaAleksa, MAleksandrov, INAlexa, CAlexander, GAlexopoulos, TAlhroob, MAli, BAliev, MAlimonti, GAlison, JAlkire, SPAllbrooke, BMMAllen, BWAllport, PPAloisio, AAlonso, AAlonso, FAlpigiani, CAlstaty, MGonzalez, B AlvarezPiqueras, D ÁlvarezAlviggi, MGAmadio, BTAmako, KCoutinho, Y AmaralAmelung, CAmidei, DDos Santos, SP AmorAmorim, AAmoroso, SAmundsen, GAnastopoulos, CAncu, LSAndari, NAndeen, TAnders, CFAnders, GAnders, JKAnderson, KJAndreazza, AAndrei, VAngelidakis, SAngelozzi, IAnger, PAngerami, AAnghinolfi, FAnisenkov, AVAnjos, NAnnovi, AAntel, CAntonelli, MAntonov, AAnulli, FAoki, MBella, L AperioArabidze, GArai, YAraque, JPArce, ATHArduh, FAArguin, J-FArgyropoulos, SArik, MArmbruster, AJArmitage, LJArnaez, O2016-11-01The production of W±Z events in proton–proton collisions at a centre-of-mass energy of 13 TeV is measured with the ATLAS detector at the LHC. The collected data correspond to an integrated luminosity of 3.2 fb−1. The W±Z candidates are reconstructed using leptonic decays of the gauge bosons into electrons or muons. The measured inclusive cross section in the detector fiducial region for leptonic decay modes is σW±Z→ℓ′νℓℓfid.=63.2±3.2(stat.)±2.6(sys.)±1.5(lumi.) fb. In comparison, the next-to-leading-order Standard Model prediction is 53.4−2.8+3.6 fb. The extrapolation of the measurement from the fiducial to the total phase space yields σW±Ztot.=50.6±2.6(stat.)±2.0(sys.)±0.9(th.)±1.2(lumi.) pb, in agreement with a recent next-to-next-to-leading-order calculation of 48.2−1.0+1.1 pb. The cross section as a function of jet multiplicity is also measured, together with the charge-dependent W+Z and W−Z cross sections and their ratio.5106 Nuclear and Plasma Physics (for-2020)5107 Particle and High Energy Physics (for-2020)4902 Mathematical Physics (for-2020)49 Mathematical Sciences (for-2020)51 Physical Sciences (for-2020)hep-exhep-ex0105 Mathematical Physics (for)0201 Astronomical and Space Sciences (for)0202 AtomicMolecularNuclearParticle and Plasma Physics (for)Nuclear & Particles Physics (science-metrix)49 Mathematical sciences (for-2020)51 Physical sciences (for-2020)application/pdfCC-BYeScholarship, University of Californiahttps://escholarship.org/uc/item/17t146wphttps://escholarship.org/content/qt17t146wp/qt17t146wp.pdfinfo:doi/10.1016/j.physletb.2016.08.052articlePhysics Letters B, vol 7621 - 22oai:escholarship.org:ark:/13030/qt857837c42026-04-04T11:41:08Zqt857837c4ATLAS CollaborationAad, GAbbott, BAbdallah, JAbdinov, OAbeloos, BAben, RAbolins, MAbouZeid, OSAbramowicz, HAbreu, HAbreu, RAbulaiti, YAcharya, BSAdamczyk, LAdams, DLAdelman, JAdomeit, SAdye, TAffolder, AAAgatonovic-Jovin, TAgricola, JAguilar-Saavedra, JAAhlen, SPAhmadov, FAielli, GAkerstedt, HÅkesson, TPAAkimov, AVAlberghi, GLAlbert, JAlbrand, SVerzini, MJ AlconadaAleksa, MAleksandrov, INAlexa, CAlexander, GAlexopoulos, TAlhroob, MAlimonti, GAlio, LAlison, JAlkire, SPAllbrooke, BMMAllport, PPAloisio, AAlonso, AAlonso, FAlpigiani, CGonzalez, B AlvarezPiqueras, D ÁlvarezAlviggi, MGAmadio, BTAmako, KCoutinho, Y AmaralAmelung, CAmidei, DDos Santos, SP AmorAmorim, AAmoroso, SAmram, NAmundsen, GAnastopoulos, CAncu, LSAndari, NAndeen, TAnders, CFAnders, GAnders, JKAnderson, KJAndreazza, AAndrei, VAngelidakis, SAngelozzi, IAnger, PAngerami, AAnghinolfi, FAnisenkov, AVAnjos, NAnnovi, AAntonelli, MAntonov, AAntos, JAnulli, FAoki, MBella, L AperioArabidze, GArai, YAraque, JPArce, ATHArduh, FAArguin, J-FArgyropoulos, SArik, MArmbruster, AJArnaez, OArnold, HArratia, MArslan, OArtamonov, AArtoni, G2016-12-015106 Nuclear and Plasma Physics (for-2020)5107 Particle and High Energy Physics (for-2020)5101 Astronomical Sciences (for-2020)51 Physical Sciences (for-2020)0201 Astronomical and Space Sciences (for)0202 AtomicMolecularNuclearParticle and Plasma Physics (for)0206 Quantum Physics (for)Nuclear & Particles Physics (science-metrix)5101 Astronomical sciences (for-2020)5106 Nuclear and plasma physics (for-2020)5107 Particle and high energy physics (for-2020)CC-BY-NCeScholarship, University of Californiahttps://escholarship.org/uc/item/857837c4info:doi/10.1016/s0375-9474(16)30232-9articleNuclear Physics A, vol 956922 - 944oai:escholarship.org:ark:/13030/qt9j13w8272026-04-04T11:40:57Zqt9j13w827Search for heavy resonances decaying to a Z boson and a photon in pp collisions at s=13 TeV with the ATLAS detectorCollaboration, The ATLASAaboud, MAad, GAbbott, BAbdallah, JAbdinov, OAbeloos, BAben, RAbouZeid, OSAbraham, NLAbramowicz, HAbreu, HAbreu, RAbulaiti, YAcharya, BSAdachi, SAdamczyk, LAdams, DLAdelman, JAdomeit, SAdye, TAffolder, AAAgatonovic-Jovin, TAgricola, JAguilar-Saavedra, JAAhlen, SPAhmadov, FAielli, GAkerstedt, HÅkesson, TPAAkimov, AVAlberghi, GLAlbert, JAlbrand, SVerzini, MJ AlconadaAleksa, MAleksandrov, INAlexa, CAlexander, GAlexopoulos, TAlhroob, MAli, BAliev, MAlimonti, GAlison, JAlkire, SPAllbrooke, BMMAllen, BWAllport, PPAloisio, AAlonso, AAlonso, FAlpigiani, CAlshehri, AAAlstaty, MGonzalez, B AlvarezPiqueras, D ÁlvarezAlviggi, MGAmadio, BTAmako, KCoutinho, Y AmaralAmelung, CAmidei, DDos Santos, SP AmorAmorim, AAmoroso, SAmundsen, GAnastopoulos, CAncu, LSAndari, NAndeen, TAnders, CFAnders, GAnders, JKAnderson, KJAndreazza, AAndrei, VAngelidakis, SAngelozzi, IAnger, PAngerami, AAnghinolfi, FAnisenkov, AVAnjos, NAnnovi, AAntel, CAntonelli, MAntonov, AAnulli, FAoki, MBella, L AperioArabidze, GArai, YAraque, JPArce, ATHArduh, FAArguin, J-FArgyropoulos, SArik, MArmbruster, AJ2017-01-01This Letter presents a search for new resonances with mass larger than 250 GeV, decaying to a Z boson and a photon. The dataset consists of an integrated luminosity of 3.2 fb−1 of pp collisions collected at s=13 TeV with the ATLAS detector at the Large Hadron Collider. The Z bosons are identified through their decays either to charged, light, lepton pairs (e+e−, μ+μ−) or to hadrons. The data are found to be consistent with the expected background in the whole mass range investigated and upper limits are set on the production cross section times decay branching ratio to Zγ of a narrow scalar boson with mass between 250 GeV and 2.75 TeV.5106 Nuclear and Plasma Physics (for-2020)5107 Particle and High Energy Physics (for-2020)51 Physical Sciences (for-2020)hep-exhep-ex0105 Mathematical Physics (for)0201 Astronomical and Space Sciences (for)0202 AtomicMolecularNuclearParticle and Plasma Physics (for)Nuclear & Particles Physics (science-metrix)49 Mathematical sciences (for-2020)51 Physical sciences (for-2020)application/pdfCC-BYeScholarship, University of Californiahttps://escholarship.org/uc/item/9j13w827https://escholarship.org/content/qt9j13w827/qt9j13w827.pdfinfo:doi/10.1016/j.physletb.2016.11.005articlePhysics Letters B, vol 76411 - 30oai:escholarship.org:ark:/13030/qt2263n4882026-04-04T11:40:47Zqt2263n488Study of hard double-parton scattering in four-jet events in pp collisions at s=7 TeV with the ATLAS experimentThe ATLAS collaborationAaboud, MAad, GAbbott, BAbdallah, JAbdinov, OAbeloos, BAben, RAbouZeid, OSAbraham, NLAbramowicz, HAbreu, HAbreu, RAbulaiti, YAcharya, BSAdachi, SAdamczyk, LAdams, DLAdelman, JAdomeit, SAdye, TAffolder, AAAgatonovic-Jovin, TAguilar-Saavedra, JAAhlen, SPAhmadov, FAielli, GAkerstedt, HÅkesson, TPAAkimov, AVAlberghi, GLAlbert, JAlbrand, SAlconada Verzini, MJAleksa, MAleksandrov, INAlexa, CAlexander, GAlexopoulos, TAlhroob, MAli, BAliev, MAlimonti, GAlison, JAlkire, SPAllbrooke, BMMAllen, BWAllport, PPAloisio, AAlonso, AAlonso, FAlpigiani, CAlshehri, AAAlstaty, MAlvarez Gonzalez, BÁlvarez Piqueras, DAlviggi, MGAmadio, BTAmako, KAmaral Coutinho, YAmelung, CAmidei, DAmor Dos Santos, SPAmorim, AAmoroso, SAmundsen, GAnastopoulos, CAncu, LSAndari, NAndeen, TAnders, CFAnders, GAnders, JKAnderson, KJAndreazza, AAndrei, VAngelidakis, SAngelozzi, IAngerami, AAnghinolfi, FAnisenkov, AVAnjos, NAnnovi, AAntel, CAntonelli, MAntonov, AAnulli, FAoki, MAperio Bella, LArabidze, GArai, YAraque, JPArce, ATHArduh, FAArguin, J-FArgyropoulos, SArik, MArmbruster, AJArmitage, LJArnaez, O2016-11-01Inclusive four-jet events produced in proton-proton collisions at a centre-of-mass energy of s=7$$ \sqrt{s}=7 $$ TeV are analysed for the presence of hard double-parton scattering using data corresponding to an integrated luminosity of 37.3 pb−1, collected with the ATLAS detector at the LHC. The contribution of hard double-parton scattering to the production of four-jet events is extracted using an artificial neural network, assuming that hard double-parton scattering can be approximated by an uncorrelated overlaying of dijet events. For events containing at least four jets with transverse momentum pT ≥ 20 GeV and pseudorapidity |η| ≤ 4.4, and at least one having pT ≥ 42.5 GeV, the contribution of hard double-parton scattering is estimated to be fDPS = 0.092− 0.011+ 0.005(stat.)− 0.037+ 0.033(syst.). After combining this measurement with those of the inclusive dijet and four-jet cross-sections in the appropriate phase space regions, the effective cross-section, σeff , was determined to be σeff = 14. 9− 1.0+ 1.2(stat.)− 3.8+ 5.1(syst.) mb. This result is consistent within the quoted uncertainties with previous measurements of σeff , performed at centre-of-mass energies between 63 GeV and 8 TeV using various final states, and it corresponds to 21− 6+ 7 % of the total inelastic cross-section measured at s=7$$ \sqrt{s}=7 $$ TeV. The distributions of the observables sensitive to the contribution of hard double-parton scattering, corrected for detector effects, are also provided.5106 Nuclear and Plasma Physics (for-2020)5107 Particle and High Energy Physics (for-2020)4902 Mathematical Physics (for-2020)49 Mathematical Sciences (for-2020)51 Physical Sciences (for-2020)Hadron-Hadron scattering (experiments)hep-exhep-ex0105 Mathematical Physics (for)0202 AtomicMolecularNuclearParticle and Plasma Physics (for)0206 Quantum Physics (for)Nuclear & Particles Physics (science-metrix)4902 Mathematical physics (for-2020)5106 Nuclear and plasma physics (for-2020)5107 Particle and high energy physics (for-2020)application/pdfpubliceScholarship, University of Californiahttps://escholarship.org/uc/item/2263n488https://escholarship.org/content/qt2263n488/qt2263n488.pdfinfo:doi/10.1007/jhep11(2016)110articleJournal of High Energy Physics, vol 2016, iss 11110oai:escholarship.org:ark:/13030/qt3qc8g2qk2026-04-04T11:40:36Zqt3qc8g2qkSearch for squarks and gluinos in events with hadronically decaying tau leptons, jets and missing transverse momentum in proton–proton collisions at s=13 TeV recorded with the ATLAS detectorAaboud, MAad, GAbbott, BAbdallah, JAbdinov, OAbeloos, BAben, RAbouZeid, OSAbraham, NLAbramowicz, HAbreu, HAbreu, RAbulaiti, YAcharya, BSAdamczyk, LAdams, DLAdelman, JAdomeit, SAdye, TAffolder, AAAgatonovic-Jovin, TAgricola, JAguilar-Saavedra, JAAhlen, SPAhmadov, FAielli, GAkerstedt, HÅkesson, TPAAkimov, AVAlberghi, GLAlbert, JAlbrand, SVerzini, MJ AlconadaAleksa, MAleksandrov, INAlexa, CAlexander, GAlexopoulos, TAlhroob, MAli, BAliev, MAlimonti, GAlison, JAlkire, SPAllbrooke, BMMAllen, BWAllport, PPAloisio, AAlonso, AAlonso, FAlpigiani, CAlshehri, AAAlstaty, MGonzalez, B AlvarezPiqueras, D ÁlvarezAlviggi, MGAmadio, BTAmako, KCoutinho, Y AmaralAmelung, CAmidei, DSantos, SP Amor DosAmorim, AAmoroso, SAmundsen, GAnastopoulos, CAncu, LSAndari, NAndeen, TAnders, CFAnders, GAnders, JKAnderson, KJAndreazza, AAndrei, VAngelidakis, SAngelozzi, IAnger, PAngerami, AAnghinolfi, FAnisenkov, AVAnjos, NAnnovi, AAntel, CAntonelli, MAntonov, AAnulli, FAoki, MBella, L AperioArabidze, GArai, YAraque, JPArce, ATHArduh, FAArguin, J-FArgyropoulos, SArik, MArmbruster, AJArmitage, LJArnaez, O2016-12-01A search for supersymmetry in events with large missing transverse momentum, jets, and at least one hadronically decaying tau lepton has been performed using 3.2 fb-1$$^{-1}$$ of proton–proton collision data at s=13TeV$$\sqrt{s}=13{\mathrm {\ TeV}}$$ recorded by the ATLAS detector at the Large Hadron Collider in 2015. Two exclusive final states are considered, with either exactly one or at least two tau leptons. No excess over the Standard Model prediction is observed in the data. Results are interpreted in the context of gauge-mediated supersymmetry breaking and a simplified model of gluino pair production with tau-rich cascade decays, substantially improving on previous limits. In the GMSB model considered, supersymmetry-breaking scale (Λ$$\Lambda $$) values below 92TeV$$92 {\mathrm {\ TeV}}$$ are excluded at the 95% confidence level, corresponding to gluino masses below 2000GeV$$2000 {\mathrm {\ GeV}}$$. For large values of tanβ$$\tan \beta $$, values of Λ$$\Lambda $$ up to 107TeV$$107 {\mathrm {\ TeV}}$$ and gluino masses up to 2300GeV$$2300 {\mathrm {\ GeV}}$$ are excluded. In the simplified model, gluino masses are excluded up to 1570GeV$$1570 {\mathrm {\ GeV}}$$ for neutralino masses around 100GeV$$100 {\mathrm {\ GeV}}$$. Neutralino masses below 700GeV$$700 {\mathrm {\ GeV}}$$ are excluded for all gluino masses between 800 and 1500GeV$$1500 {\mathrm {\ GeV}}$$, while the strongest exclusion of 750GeV$$750 {\mathrm {\ GeV}}$$ is achieved for gluino masses around 1450GeV$$1450 {\mathrm {\ GeV}}$$.5106 Nuclear and Plasma Physics (for-2020)5107 Particle and High Energy Physics (for-2020)51 Physical Sciences (for-2020)ATLAS Collaborationhep-exhep-ex0202 AtomicMolecularNuclearParticle and Plasma Physics (for)0206 Quantum Physics (for)Nuclear & Particles Physics (science-metrix)5101 Astronomical sciences (for-2020)5102 Atomicmolecular and optical physics (for-2020)5107 Particle and high energy physics (for-2020)application/pdfpubliceScholarship, University of Californiahttps://escholarship.org/uc/item/3qc8g2qkhttps://escholarship.org/content/qt3qc8g2qk/qt3qc8g2qk.pdfinfo:doi/10.1140/epjc/s10052-016-4481-2articleEuropean Physical Journal C, vol 76, iss 12683oai:escholarship.org:ark:/13030/qt6j30078b2026-04-04T11:40:26Zqt6j30078bMeasurement of W+W− production in association with one jet in proton–proton collisions at s=8TeV with the ATLAS detectorCollaboration, The ATLASAaboud, MAad, GAbbott, BAbdallah, JAbdinov, OAbeloos, BAben, RAbouZeid, OSAbraham, NLAbramowicz, HAbreu, HAbreu, RAbulaiti, YAcharya, BSAdachi, SAdamczyk, LAdams, DLAdelman, JAdomeit, SAdye, TAffolder, AAAgatonovic-Jovin, TAguilar-Saavedra, JAAhlen, SPAhmadov, FAielli, GAkerstedt, HÅkesson, TPAAkimov, AVAlberghi, GLAlbert, JAlbrand, SVerzini, MJ AlconadaAleksa, MAleksandrov, INAlexa, CAlexander, GAlexopoulos, TAlhroob, MAli, BAliev, MAlimonti, GAlison, JAlkire, SPAllbrooke, BMMAllen, BWAllport, PPAloisio, AAlonso, AAlonso, FAlpigiani, CAlshehri, AAAlstaty, MGonzalez, B AlvarezPiqueras, D ÁlvarezAlviggi, MGAmadio, BTAmako, KCoutinho, Y AmaralAmelung, CAmidei, DDos Santos, SP AmorAmorim, AAmoroso, SAmundsen, GAnastopoulos, CAncu, LSAndari, NAndeen, TAnders, CFAnders, GAnders, JKAnderson, KJAndreazza, AAndrei, VAngelidakis, SAngelozzi, IAngerami, AAnghinolfi, FAnisenkov, AVAnjos, NAnnovi, AAntel, CAntonelli, MAntonov, AAnulli, FAoki, MBella, L AperioArabidze, GArai, YAraque, JPArce, ATHArduh, FAArguin, J-FArgyropoulos, SArik, MArmbruster, AJArmitage, LJArnaez, O2016-12-01The production of W boson pairs in association with one jet in pp collisions at s=8 TeV is studied using data corresponding to an integrated luminosity of 20.3 fb−1 collected by the ATLAS detector during 2012 at the CERN Large Hadron Collider. The cross section is measured in a fiducial phase-space region defined by the presence of exactly one electron and one muon, missing transverse momentum and exactly one jet with a transverse momentum above 25 GeV and a pseudorapidity of |η|<4.5. The leptons are required to have opposite electric charge and to pass transverse momentum and pseudorapidity requirements. The fiducial cross section is found to be σWWfid,1-jet=136±6(stat)±14(syst)±3(lumi) fb. In combination with a previous measurement restricted to leptonic final states with no associated jets, the fiducial cross section of WW production with zero or one jet is measured to be σWWfid,≤1-jet=511±9(stat)±26(syst)±10(lumi) fb. The ratio of fiducial cross sections in final states with one and zero jets is determined to be 0.36±0.05. Finally, a total cross section extrapolated from the fiducial measurement of WW production with zero or one associated jet is reported. The measurements are compared to theoretical predictions and found in good agreement.5106 Nuclear and Plasma Physics (for-2020)5107 Particle and High Energy Physics (for-2020)4902 Mathematical Physics (for-2020)49 Mathematical Sciences (for-2020)51 Physical Sciences (for-2020)hep-exhep-ex0105 Mathematical Physics (for)0201 Astronomical and Space Sciences (for)0202 AtomicMolecularNuclearParticle and Plasma Physics (for)Nuclear & Particles Physics (science-metrix)49 Mathematical sciences (for-2020)51 Physical sciences (for-2020)application/pdfCC-BYeScholarship, University of Californiahttps://escholarship.org/uc/item/6j30078bhttps://escholarship.org/content/qt6j30078b/qt6j30078b.pdfinfo:doi/10.1016/j.physletb.2016.10.014articlePhysics Letters B, vol 763114 - 133oai:escholarship.org:ark:/13030/qt8d01t47v2026-04-04T11:40:16Zqt8d01t47vMeasurement of W boson angular distributions in events with high transverse momentum jets at s=8 TeV using the ATLAS detectorCollaboration, The ATLASAaboud, MAad, GAbbott, BAbdallah, JAbdinov, OAbeloos, BAben, RAbouZeid, OSAbraham, NLAbramowicz, HAbreu, HAbreu, RAbulaiti, YAcharya, BSAdachi, SAdamczyk, LAdams, DLAdelman, JAdomeit, SAdye, TAffolder, AAAgatonovic-Jovin, TAguilar-Saavedra, JAAhlen, SPAhmadov, FAielli, GAkerstedt, HÅkesson, TPAAkimov, AVAlberghi, GLAlbert, JAlbrand, SVerzini, MJ AlconadaAleksa, MAleksandrov, INAlexa, CAlexander, GAlexopoulos, TAlhroob, MAli, BAliev, MAlimonti, GAlison, JAlkire, SPAllbrooke, BMMAllen, BWAllport, PPAloisio, AAlonso, AAlonso, FAlpigiani, CAlshehri, AAAlstaty, MGonzalez, B AlvarezPiqueras, D ÁlvarezAlviggi, MGAmadio, BTAmako, KCoutinho, Y AmaralAmelung, CAmidei, DDos Santos, SP AmorAmorim, AAmoroso, SAmundsen, GAnastopoulos, CAncu, LSAndari, NAndeen, TAnders, CFAnders, GAnders, JKAnderson, KJAndreazza, AAndrei, VAngelidakis, SAngelozzi, IAngerami, AAnghinolfi, FAnisenkov, AVAnjos, NAnnovi, AAntel, CAntonelli, MAntonov, AAnulli, FAoki, MBella, L AperioArabidze, GArai, YAraque, JPArce, ATHArduh, FAArguin, J-FArgyropoulos, SArik, MArmbruster, AJArmitage, LJArnaez, O2017-02-01The W boson angular distribution in events with high transverse momentum jets is measured using data collected by the ATLAS experiment from proton–proton collisions at a centre-of-mass energy s=8 TeV at the Large Hadron Collider, corresponding to an integrated luminosity of 20.3 fb−1. The focus is on the contributions to W+jets processes from real W emission, which is achieved by studying events where a muon is observed close to a high transverse momentum jet. At small angular separations, these contributions are expected to be large. Various theoretical models of this process are compared to the data in terms of the absolute cross-section and the angular distributions of the muon from the leptonic W decay.5106 Nuclear and Plasma Physics (for-2020)5107 Particle and High Energy Physics (for-2020)51 Physical Sciences (for-2020)hep-exhep-ex0105 Mathematical Physics (for)0201 Astronomical and Space Sciences (for)0202 AtomicMolecularNuclearParticle and Plasma Physics (for)Nuclear & Particles Physics (science-metrix)49 Mathematical sciences (for-2020)51 Physical sciences (for-2020)application/pdfCC-BYeScholarship, University of Californiahttps://escholarship.org/uc/item/8d01t47vhttps://escholarship.org/content/qt8d01t47v/qt8d01t47v.pdfinfo:doi/10.1016/j.physletb.2016.12.005articlePhysics Letters B, vol 765132 - 153oai:escholarship.org:ark:/13030/qt69s775kx2026-04-04T11:40:04Zqt69s775kxMeasurement of the ZZ production cross section in proton-proton collisions at s=8 TeV using the ZZ → ℓ−ℓ+ℓ′−ℓ′+ and ZZ→ℓ−ℓ+νν¯ decay channels with the ATLAS detectorThe ATLAS collaborationAaboud, MAad, GAbbott, BAbdallah, JAbdinov, OAbeloos, BAben, RAbouZeid, OSAbraham, NLAbramowicz, HAbreu, HAbreu, RAbulaiti, YAcharya, BSAdachi, SAdamczyk, LAdams, DLAdelman, JAdomeit, SAdye, TAffolder, AAAgatonovic-Jovin, TAguilar-Saavedra, JAAhlen, SPAhmadov, FAielli, GAkerstedt, HÅkesson, TPAAkimov, AVAlberghi, GLAlbert, JAlbrand, SAlconada Verzini, MJAleksa, MAleksandrov, INAlexa, CAlexander, GAlexopoulos, TAlhroob, MAli, BAliev, MAlimonti, GAlison, JAlkire, SPAllbrooke, BMMAllen, BWAllport, PPAloisio, AAlonso, AAlonso, FAlpigiani, CAlshehri, AAAlstaty, MAlvarez Gonzalez, BÁlvarez Piqueras, DAlviggi, MGAmadio, BTAmako, KAmaral Coutinho, YAmelung, CAmidei, DAmor Dos Santos, SPAmorim, AAmoroso, SAmundsen, GAnastopoulos, CAncu, LSAndari, NAndeen, TAnders, CFAnders, GAnders, JKAnderson, KJAndreazza, AAndrei, VAngelidakis, SAngelozzi, IAngerami, AAnghinolfi, FAnisenkov, AVAnjos, NAnnovi, AAntel, CAntonelli, MAntonov, AAnulli, FAoki, MAperio Bella, LArabidze, GArai, YAraque, JPArce, ATHArduh, FAArguin, J-FArgyropoulos, SArik, MArmbruster, AJArmitage, LJArnaez, O2017-01-01A measurement of the ZZ production cross section in the ℓ−ℓ+ℓ′ −ℓ′ + and ℓ−ℓ+νν¯$$ {\ell}^{-}{\ell}^{+}
u \overline{
u} $$ channels (ℓ = e, μ) in proton-proton collisions at s=8$$ \sqrt{s}=8 $$TeV at the Large Hadron Collider at CERN, using data corresponding to an integrated luminosity of 20.3 fb−1 collected by the ATLAS experiment in 2012 is presented. The fiducial cross sections for ZZ → ℓ−ℓ+ℓ′ −ℓ′ + and ZZ→ℓ−ℓ+νν¯$$ ZZ\to {\ell}^{-}{\ell}^{+}
u \overline{
u} $$ are measured in selected phase-space regions. The total cross section for ZZ events produced with both Z bosons in the mass range 66 to 116 GeV is measured from the combination of the two channels to be 7.3 ± 0.4(stat) ± 0.3(syst)− 0.1− 0.2(lumi) pb, which is consistent with the Standard Model prediction of 6. 6− 0.6+ 0.7 pb. The differential cross sections in bins of various kinematic variables are presented. The differential event yield as a function of the transverse momentum of the leading Z boson is used to set limits on anomalous neutral triple gauge boson couplings in ZZ production.5106 Nuclear and Plasma Physics (for-2020)5107 Particle and High Energy Physics (for-2020)51 Physical Sciences (for-2020)Hadron-Hadron scattering (experiments)hep-exhep-ex0105 Mathematical Physics (for)0202 AtomicMolecularNuclearParticle and Plasma Physics (for)0206 Quantum Physics (for)Nuclear & Particles Physics (science-metrix)4902 Mathematical physics (for-2020)5106 Nuclear and plasma physics (for-2020)5107 Particle and high energy physics (for-2020)application/pdfCC-BYeScholarship, University of Californiahttps://escholarship.org/uc/item/69s775kxhttps://escholarship.org/content/qt69s775kx/qt69s775kx.pdfinfo:doi/10.1007/jhep01(2017)099articleJournal of High Energy Physics, vol 2017, iss 199oai:escholarship.org:ark:/13030/qt965708hz2026-04-04T11:39:54Zqt965708hzSearch for lepton-flavour-violating decays of the Higgs and Z bosons with the ATLAS detectorAad, GAbbott, BAbdallah, JAbdinov, OAbeloos, BAben, RAbolins, MAbouZeid, OSAbraham, NLAbramowicz, HAbreu, HAbreu, RAbulaiti, YAcharya, BSAdamczyk, LAdams, DLAdelman, JAdomeit, SAdye, TAffolder, AAAgatonovic-Jovin, TAgricola, JAguilar-Saavedra, JAAhlen, SPAhmadov, FAielli, GAkerstedt, HÅkesson, TPAAkimov, AVAlberghi, GLAlbert, JAlbrand, SVerzini, MJ AlconadaAleksa, MAleksandrov, INAlexa, CAlexander, GAlexopoulos, TAlhroob, MAliev, MAlimonti, GAlison, JAlkire, SPAllbrooke, BMMAllen, BWAllport, PPAloisio, AAlonso, AAlonso, FAlpigiani, CAlstaty, MGonzalez, B AlvarezPiqueras, D ÁlvarezAlviggi, MGAmadio, BTAmako, KCoutinho, Y AmaralAmelung, CAmidei, DSantos, SP Amor DosAmorim, AAmoroso, SAmundsen, GAnastopoulos, CAncu, LSAndari, NAndeen, TAnders, CFAnders, GAnders, JKAnderson, KJAndreazza, AAndrei, VAngelidakis, SAngelozzi, IAnger, PAngerami, AAnghinolfi, FAnisenkov, AVAnjos, NAnnovi, AAntonelli, MAntonov, AAntos, JAnulli, FAoki, MBella, L AperioArabidze, GArai, YAraque, JPArce, ATHArduh, FAArguin, J-FArgyropoulos, SArik, MArmbruster, AJArmitage, LJArnaez, OArnold, HArratia, M2017-02-01Direct searches for lepton flavour violation in decays of the Higgs and Z bosons with the ATLAS detector at the LHC are presented. The following three decays are considered: H→eτ$$H\rightarrow e\tau $$, H→μτ$$H\rightarrow \mu \tau $$, and Z→μτ$$Z\rightarrow \mu \tau $$. The searches are based on the data sample of proton–proton collisions collected by the ATLAS detector corresponding to an integrated luminosity of 20.3 fb-1$$\mathrm{fb}^{-1}$$ at a centre-of-mass energy of s=8$$\sqrt{s}=8$$ TeV. No significant excess is observed, and upper limits on the lepton-flavour-violating branching ratios are set at the 95%$$\%$$ confidence level: Br(H→eτ)<1.04%$$(H\rightarrow e\tau )<1.04\%$$, Br(H→μτ)<1.43%$$(H\rightarrow \mu \tau )<1.43\%$$, and Br(Z→μτ)<1.69×10-5$$(Z\rightarrow \mu \tau )<1.69\times 10^{-5}$$.5106 Nuclear and Plasma Physics (for-2020)5107 Particle and High Energy Physics (for-2020)51 Physical Sciences (for-2020)ATLAS CollaborationATLAS CollaborationATLAS Collaborationhep-exhep-ex0202 AtomicMolecularNuclearParticle and Plasma Physics (for)0206 Quantum Physics (for)Nuclear & Particles Physics (science-metrix)5101 Astronomical sciences (for-2020)5102 Atomicmolecular and optical physics (for-2020)5107 Particle and high energy physics (for-2020)application/pdfCC-BYeScholarship, University of Californiahttps://escholarship.org/uc/item/965708hzhttps://escholarship.org/content/qt965708hz/qt965708hz.pdfinfo:doi/10.1140/epjc/s10052-017-4624-0articleEuropean Physical Journal C, vol 77, iss 270oai:escholarship.org:ark:/13030/qt3sx2516s2026-04-04T11:38:42Zqt3sx2516sMeasurements of charge and CP asymmetries in b-hadron decays using top-quark events collected by the ATLAS detector in pp collisions at s=8 TeVThe ATLAS collaborationAaboud, MAad, GAbbott, BAbdallah, JAbdinov, OAbeloos, BAbouZeid, OSAbraham, NLAbramowicz, HAbreu, HAbreu, RAbulaiti, YAcharya, BSAdachi, SAdamczyk, LAdams, DLAdelman, JAdomeit, SAdye, TAffolder, AAAgatonovic-Jovin, TAguilar-Saavedra, JAAhlen, SPAhmadov, FAielli, GAkerstedt, HÅkesson, TPAAkimov, AVAlberghi, GLAlbert, JAlbrand, SAlconada Verzini, MJAleksa, MAleksandrov, INAlexa, CAlexander, GAlexopoulos, TAlhroob, MAli, BAliev, MAlimonti, GAlison, JAlkire, SPAllbrooke, BMMAllen, BWAllport, PPAloisio, AAlonso, AAlonso, FAlpigiani, CAlshehri, AAAlstaty, MAlvarez Gonzalez, BÁlvarez Piqueras, DAlviggi, MGAmadio, BTAmaral Coutinho, YAmelung, CAmidei, DAmor Dos Santos, SPAmorim, AAmoroso, SAmundsen, GAnastopoulos, CAncu, LSAndari, NAndeen, TAnders, CFAnders, JKAnderson, KJAndreazza, AAndrei, VAngelidakis, SAngelozzi, IAngerami, AAnghinolfi, FAnisenkov, AVAnjos, NAnnovi, AAntel, CAntonelli, MAntonov, AAntrim, DJAnulli, FAoki, MAperio Bella, LArabidze, GArai, YAraque, JPAraujo Ferraz, VArce, ATHArduh, FAArguin, J-FArgyropoulos, SArik, MArmbruster, AJArmitage, LJArnaez, OArnold, H2017-02-01Same- and opposite-sign charge asymmetries are measured in lepton+jets tt¯$$ t\overline{t} $$ events in which a b-hadron decays semileptonically to a soft muon, using data corresponding to an integrated luminosity of 20.3 fb−1 from proton-proton collisions at a centre-of-mass energy of s=8$$ \sqrt{s}=8 $$ TeV collected with the ATLAS detector at the Large Hadron Collider at CERN. The charge asymmetries are based on the charge of the lepton from the top-quark decay and the charge of the soft muon from the semileptonic decay of a b-hadron and are measured in a fiducial region corresponding to the experimental acceptance. Four CP asymmetries (one mixing and three direct) are measured and are found to be compatible with zero and consistent with the Standard Model.5106 Nuclear and Plasma Physics (for-2020)5107 Particle and High Energy Physics (for-2020)4902 Mathematical Physics (for-2020)49 Mathematical Sciences (for-2020)51 Physical Sciences (for-2020)Hadron-Hadron scattering (experiments)hep-exhep-ex0105 Mathematical Physics (for)0202 AtomicMolecularNuclearParticle and Plasma Physics (for)0206 Quantum Physics (for)Nuclear & Particles Physics (science-metrix)4902 Mathematical physics (for-2020)5106 Nuclear and plasma physics (for-2020)5107 Particle and high energy physics (for-2020)application/pdfCC-BYeScholarship, University of Californiahttps://escholarship.org/uc/item/3sx2516shttps://escholarship.org/content/qt3sx2516s/qt3sx2516s.pdfinfo:doi/10.1007/jhep02(2017)071articleJournal of High Energy Physics, vol 2017, iss 271oai:escholarship.org:ark:/13030/qt1hk5q2n12026-04-04T11:38:33Zqt1hk5q2n1Study of the rare decays of Bs0 and B0 into muon pairs from data collected during the LHC Run 1 with the ATLAS detectorAaboud, MAad, GAbbott, BAbdallah, JAbdinov, OAbeloos, BAben, RAbouZeid, OSAbraham, NLAbramowicz, HAbreu, HAbreu, RAbulaiti, YAcharya, BSAdamczyk, LAdams, DLAdelman, JAdomeit, SAdye, TAffolder, AAAgatonovic-Jovin, TAgricola, JAguilar-Saavedra, JAAhlen, SPAhmadov, FAielli, GAkerstedt, HÅkesson, TPAAkimov, AVAlberghi, GLAlbert, JAlbrand, SVerzini, MJ AlconadaAleksa, MAleksandrov, INAlexa, CAlexander, GAlexopoulos, TAlhroob, MAliev, MAlimonti, GAlison, JAlkire, SPAllbrooke, BMMAllen, BWAllport, PPAloisio, AAlonso, AAlonso, FAlpigiani, CAlstaty, MGonzalez, B AlvarezPiqueras, D ÁlvarezAlviggi, MGAmadio, BTAmako, KCoutinho, Y AmaralAmelung, CAmidei, DSantos, SP Amor DosAmorim, AAmoroso, SAmundsen, GAnastopoulos, CAncu, LSAndari, NAndeen, TAnders, CFAnders, GAnders, JKAnderson, KJAndreazza, AAndrei, VAngelidakis, SAngelozzi, IAnger, PAngerami, AAnghinolfi, FAnisenkov, AVAnjos, NAnnovi, AAntonelli, MAntonov, AAnulli, FAoki, MBella, L AperioArabidze, GArai, YAraque, JPArce, ATHArduh, FAArguin, J-FArgyropoulos, SArik, MArmbruster, AJArmitage, LJArnaez, OArnold, HArratia, MArslan, O2016-09-01A study of the decays Bs0→μ+μ-$$B^0_s \rightarrow \mu ^+\mu ^-$$ and B0→μ+μ-$$B^0 \rightarrow \mu ^+\mu ^-$$ has been performed using data corresponding to an integrated luminosity of 25 fb-1$$^{-1}$$ of 7 and 8 TeV proton–proton collisions collected with the ATLAS detector during the LHC Run 1. For the B0$$B^0$$ dimuon decay, an upper limit on the branching fraction is set at B(B0→μ+μ-)<4.2×10-10$$\mathcal{B}(B^0 \rightarrow \mu ^+\mu ^-) < 4.2 \times 10^{-10}$$ at 95 % confidence level. For Bs0$$B^0_s$$, the branching fraction B(Bs0→μ+μ-)=0.9-0.8+1.1×10-9$$\mathcal{B}(B^0_s \rightarrow \mu ^+\mu ^-) = \left( 0.9^{+1.1}_{-0.8} \right) \times 10^{-9}$$ is measured. The results are consistent with the Standard Model expectation with a p value of 4.8 %, corresponding to 2.0 standard deviations.5106 Nuclear and Plasma Physics (for-2020)5107 Particle and High Energy Physics (for-2020)51 Physical Sciences (for-2020)ATLAS CollaborationATLAS CollaborationATLAS Collaborationhep-exhep-ex0202 AtomicMolecularNuclearParticle and Plasma Physics (for)0206 Quantum Physics (for)Nuclear & Particles Physics (science-metrix)5101 Astronomical sciences (for-2020)5102 Atomicmolecular and optical physics (for-2020)5107 Particle and high energy physics (for-2020)application/pdfCC-BYeScholarship, University of Californiahttps://escholarship.org/uc/item/1hk5q2n1https://escholarship.org/content/qt1hk5q2n1/qt1hk5q2n1.pdfinfo:doi/10.1140/epjc/s10052-016-4338-8articleEuropean Physical Journal C, vol 76, iss 9513oai:escholarship.org:ark:/13030/qt2g22c3qn2026-04-04T11:38:19Zqt2g22c3qnA measurement of the calorimeter response to single hadrons and determination of the jet energy scale uncertainty using LHC Run-1 pp-collision data with the ATLAS detectorAaboud, MAad, GAbbott, BAbdallah, JAbdinov, OAbeloos, BAben, RAbouZeid, OSAbraham, NLAbramowicz, HAbreu, HAbreu, RAbulaiti, YAcharya, BSAdamczyk, LAdams, DLAdelman, JAdomeit, SAdye, TAffolder, AAAgatonovic-Jovin, TAgricola, JAguilar-Saavedra, JAAhlen, SPAhmadov, FAielli, GAkerstedt, HÅkesson, TPAAkimov, AVAlberghi, GLAlbert, JAlbrand, SVerzini, MJ AlconadaAleksa, MAleksandrov, INAlexa, CAlexander, GAlexopoulos, TAlhroob, MAli, BAliev, MAlimonti, GAlison, JAlkire, SPAllbrooke, BMMAllen, BWAllport, PPAloisio, AAlonso, AAlonso, FAlpigiani, CAlstaty, MGonzalez, B AlvarezPiqueras, D ÁlvarezAlviggi, MGAmadio, BTAmako, KCoutinho, Y AmaralAmelung, CAmidei, DSantos, SP Amor DosAmorim, AAmoroso, SAmundsen, GAnastopoulos, CAncu, LSAndari, NAndeen, TAnders, CFAnders, GAnders, JKAnderson, KJAndreazza, AAndrei, VAngelidakis, SAngelozzi, IAnger, PAngerami, AAnghinolfi, FAnisenkov, AVAnjos, NAnnovi, AAntel, CAntonelli, MAntonov, AAnulli, FAoki, MBella, L AperioArabidze, GArai, YAraque, JPArce, ATHArduh, FAArguin, J-FArgyropoulos, SArik, MArmbruster, AJArmitage, LJArnaez, OArnold, H2017-01-01A measurement of the calorimeter response to isolated charged hadrons in the ATLAS detector at the LHC is presented. This measurement is performed with 3.2 nb-1$$^{-1}$$ of proton–proton collision data at s=7$$\sqrt{s}=7$$ TeV$$\,\mathrm{TeV}$$ from 2010 and 0.1 nb-1$$^{-1}$$ of data at s=8$$\sqrt{s}=8$$ TeV$$\,\mathrm{TeV}$$ from 2012. A number of aspects of the calorimeter response to isolated hadrons are explored. After accounting for energy deposited by neutral particles, there is a 5% discrepancy in the modelling, using various sets of Geant4 hadronic physics models, of the calorimeter response to isolated charged hadrons in the central calorimeter region. The description of the response to anti-protons at low momenta is found to be improved with respect to previous analyses. The electromagnetic and hadronic calorimeters are also examined separately, and the detector simulation is found to describe the response in the hadronic calorimeter well. The jet energy scale uncertainty and correlations in scale between jets of different momenta and pseudorapidity are derived based on these studies. The uncertainty is 2–5% for jets with transverse momenta above 2 TeV$$\,\mathrm{TeV}$$, where this method provides the jet energy scale uncertainty for ATLAS.5106 Nuclear and Plasma Physics (for-2020)5107 Particle and High Energy Physics (for-2020)51 Physical Sciences (for-2020)ATLAS CollaborationATLAS CollaborationATLAS Collaborationhep-exhep-ex0202 AtomicMolecularNuclearParticle and Plasma Physics (for)0206 Quantum Physics (for)Nuclear & Particles Physics (science-metrix)5101 Astronomical sciences (for-2020)5102 Atomicmolecular and optical physics (for-2020)5107 Particle and high energy physics (for-2020)application/pdfCC-BYeScholarship, University of Californiahttps://escholarship.org/uc/item/2g22c3qnhttps://escholarship.org/content/qt2g22c3qn/qt2g22c3qn.pdfinfo:doi/10.1140/epjc/s10052-016-4580-0articleEuropean Physical Journal C, vol 77, iss 126oai:escholarship.org:ark:/13030/qt46b397tn2026-04-04T11:38:08Zqt46b397tnDark matter interpretations of ATLAS searches for the electroweak production of supersymmetric particles in s=8 TeV proton-proton collisionsThe ATLAS collaborationAaboud, MAad, GAbbott, BAbdallah, JAbdinov, OAbeloos, BAben, RAbouZeid, OSAbraham, NLAbramowicz, HAbreu, HAbreu, RAbulaiti, YAcharya, BSAdachi, SAdamczyk, LAdams, DLAdelman, JAdomeit, SAdye, TAffolder, AAAgatonovic-Jovin, TAguilar-Saavedra, JAAhlen, SPAhmadov, FAielli, GAkerstedt, HÅkesson, TPAAkimov, AVAlberghi, GLAlbert, JAlbrand, SAlconada Verzini, MJAleksa, MAleksandrov, INAlexa, CAlexander, GAlexopoulos, TAlhroob, MAli, BAliev, MAlimonti, GAlison, JAlkire, SPAllbrooke, BMMAllen, BWAllport, PPAloisio, AAlonso, AAlonso, FAlpigiani, CAlshehri, AAAlstaty, MAlvarez Gonzalez, BÁlvarez Piqueras, DAlviggi, MGAmadio, BTAmako, KAmaral Coutinho, YAmelung, CAmidei, DAmor Dos Santos, SPAmorim, AAmoroso, SAmundsen, GAnastopoulos, CAncu, LSAndari, NAndeen, TAnders, CFAnders, GAnders, JKAnderson, KJAndreazza, AAndrei, VAngelidakis, SAngelozzi, IAngerami, AAnghinolfi, FAnisenkov, AVAnjos, NAnnovi, AAntel, CAntonelli, MAntonov, AAnulli, FAoki, MAperio Bella, LArabidze, GArai, YAraque, JPArce, ATHArduh, FAArguin, J-FArgyropoulos, SArik, MArmbruster, AJArmitage, LJArnaez, O2016-09-01A selection of searches by the ATLAS experiment at the LHC for the electroweak production of SUSY particles are used to study their impact on the constraints on dark matter candidates. The searches use 20 fb−1 of proton-proton collision data at s=8$$ \sqrt{s}=8 $$ TeV. A likelihood-driven scan of a five-dimensional effective model focusing on the gaugino-higgsino and Higgs sector of the phenomenological minimal supersymmetric Standard Model is performed. This scan uses data from direct dark matter detection experiments, the relic dark matter density and precision flavour physics results. Further constraints from the ATLAS Higgs mass measurement and SUSY searches at LEP are also applied. A subset of models selected from this scan are used to assess the impact of the selected ATLAS searches in this five-dimensional parameter space. These ATLAS searches substantially impact those models for which the mass mχ˜10$$ m\left({\tilde{\chi}}_1^0\right) $$ of the lightest neutralino is less than 65 GeV, excluding 86% of such models. The searches have limited impact on models with larger mχ˜10$$ m\left({\tilde{\chi}}_1^0\right) $$ due to either heavy electroweakinos or compressed mass spectra where the mass splittings between the produced particles and the lightest supersymmetric particle is small.5106 Nuclear and Plasma Physics (for-2020)5107 Particle and High Energy Physics (for-2020)51 Physical Sciences (for-2020)Hadron-Hadron scattering (experiments)hep-exhep-ex0105 Mathematical Physics (for)0202 AtomicMolecularNuclearParticle and Plasma Physics (for)0206 Quantum Physics (for)Nuclear & Particles Physics (science-metrix)4902 Mathematical physics (for-2020)5106 Nuclear and plasma physics (for-2020)5107 Particle and high energy physics (for-2020)application/pdfCC-BYeScholarship, University of Californiahttps://escholarship.org/uc/item/46b397tnhttps://escholarship.org/content/qt46b397tn/qt46b397tn.pdfinfo:doi/10.1007/jhep09(2016)175articleJournal of High Energy Physics, vol 2016, iss 9175oai:escholarship.org:ark:/13030/qt77c912f92026-04-04T11:37:58Zqt77c912f9Search for high-mass new phenomena in the dilepton final state using proton–proton collisions at s=13TeV with the ATLAS detectorCollaboration, The ATLASAaboud, MAad, GAbbott, BAbdallah, JAbdinov, OAbeloos, BAben, RAbouZeid, OSAbraham, NLAbramowicz, HAbreu, HAbreu, RAbulaiti, YAcharya, BSAdamczyk, LAdams, DLAdelman, JAdomeit, SAdye, TAffolder, AAAgatonovic-Jovin, TAgricola, JAguilar-Saavedra, JAAhlen, SPAhmadov, FAielli, GAkerstedt, HÅkesson, TPAAkimov, AVAlberghi, GLAlbert, JAlbrand, SVerzini, MJ AlconadaAleksa, MAleksandrov, INAlexa, CAlexander, GAlexopoulos, TAlhroob, MAli, BAliev, MAlimonti, GAlison, JAlkire, SPAllbrooke, BMMAllen, BWAllport, PPAloisio, AAlonso, AAlonso, FAlpigiani, CAlstaty, MGonzalez, B AlvarezPiqueras, D ÁlvarezAlviggi, MGAmadio, BTAmako, KCoutinho, Y AmaralAmelung, CAmidei, DDos Santos, SP AmorAmorim, AAmoroso, SAmundsen, GAnastopoulos, CAncu, LSAndari, NAndeen, TAnders, CFAnders, GAnders, JKAnderson, KJAndreazza, AAndrei, VAngelidakis, SAngelozzi, IAnger, PAngerami, AAnghinolfi, FAnisenkov, AVAnjos, NAnnovi, AAntel, CAntonelli, MAntonov, AAnulli, FAoki, MBella, L AperioArabidze, GArai, YAraque, JPArce, ATHArduh, FAArguin, J-FArgyropoulos, SArik, MArmbruster, AJArmitage, LJArnaez, O2016-10-01A search is conducted for both resonant and non-resonant high-mass new phenomena in dielectron and dimuon final states. The search uses 3.2fb−1 of proton–proton collision data, collected at s=13TeV by the ATLAS experiment at the LHC in 2015. The dilepton invariant mass is used as the discriminating variable. No significant deviation from the Standard Model prediction is observed; therefore limits are set on the signal model parameters of interest at 95% credibility level. Upper limits are set on the cross-section times branching ratio for resonances decaying to dileptons, and the limits are converted into lower limits on the resonance mass, ranging between 2.74 TeV and 3.36 TeV, depending on the model. Lower limits on the ℓℓqq contact interaction scale are set between 16.7 TeV and 25.2 TeV, also depending on the model.5106 Nuclear and Plasma Physics (for-2020)5107 Particle and High Energy Physics (for-2020)51 Physical Sciences (for-2020)hep-exhep-ex0105 Mathematical Physics (for)0201 Astronomical and Space Sciences (for)0202 AtomicMolecularNuclearParticle and Plasma Physics (for)Nuclear & Particles Physics (science-metrix)49 Mathematical sciences (for-2020)51 Physical sciences (for-2020)application/pdfCC-BYeScholarship, University of Californiahttps://escholarship.org/uc/item/77c912f9https://escholarship.org/content/qt77c912f9/qt77c912f9.pdfinfo:doi/10.1016/j.physletb.2016.08.055articlePhysics Letters B, vol 761372 - 392oai:escholarship.org:ark:/13030/qt214524f52026-04-04T11:37:48Zqt214524f5Measurement of the top quark mass in the tt¯→dilepton channel from s=8 TeV ATLAS dataCollaboration, The ATLASAaboud, MAad, GAbbott, BAbdallah, JAbdinov, OAbeloos, BAben, RAbouZeid, OSAbraham, NLAbramowicz, HAbreu, HAbreu, RAbulaiti, YAcharya, BSAdamczyk, LAdams, DLAdelman, JAdomeit, SAdye, TAffolder, AAAgatonovic-Jovin, TAgricola, JAguilar-Saavedra, JAAhlen, SPAhmadov, FAielli, GAkerstedt, HÅkesson, TPAAkimov, AVAlberghi, GLAlbert, JAlbrand, SVerzini, MJ AlconadaAleksa, MAleksandrov, INAlexa, CAlexander, GAlexopoulos, TAlhroob, MAli, BAliev, MAlimonti, GAlison, JAlkire, SPAllbrooke, BMMAllen, BWAllport, PPAloisio, AAlonso, AAlonso, FAlpigiani, CAlstaty, MGonzalez, B AlvarezPiqueras, D ÁlvarezAlviggi, MGAmadio, BTAmako, KCoutinho, Y AmaralAmelung, CAmidei, DDos Santos, SP AmorAmorim, AAmoroso, SAmundsen, GAnastopoulos, CAncu, LSAndari, NAndeen, TAnders, CFAnders, GAnders, JKAnderson, KJAndreazza, AAndrei, VAngelidakis, SAngelozzi, IAnger, PAngerami, AAnghinolfi, FAnisenkov, AVAnjos, NAnnovi, AAntel, CAntonelli, MAntonov, AAnulli, FAoki, MBella, L AperioArabidze, GArai, YAraque, JPArce, ATHArduh, FAArguin, J-FArgyropoulos, SArik, MArmbruster, AJArmitage, LJArnaez, O2016-10-01The top quark mass is measured in the tt¯→dilepton channel (lepton=e,μ) using ATLAS data recorded in the year 2012 at the LHC. The data were taken at a proton–proton centre-of-mass energy of s=8 TeV and correspond to an integrated luminosity of about 20.2 fb−1. Exploiting the template method, and using the distribution of invariant masses of lepton–b-jet pairs, the top quark mass is measured to be mtop=172.99±0.41 (stat)±0.74 (syst) GeV, with a total uncertainty of 0.84 GeV. Finally, a combination with previous ATLAS mtop measurements from s=7 TeV data in the tt¯→dilepton and tt¯→lepton+jets channels results in mtop=172.84±0.34 (stat)±0.61 (syst) GeV, with a total uncertainty of 0.70 GeV.5106 Nuclear and Plasma Physics (for-2020)5107 Particle and High Energy Physics (for-2020)51 Physical Sciences (for-2020)hep-exhep-ex0105 Mathematical Physics (for)0201 Astronomical and Space Sciences (for)0202 AtomicMolecularNuclearParticle and Plasma Physics (for)Nuclear & Particles Physics (science-metrix)49 Mathematical sciences (for-2020)51 Physical sciences (for-2020)application/pdfCC-BYeScholarship, University of Californiahttps://escholarship.org/uc/item/214524f5https://escholarship.org/content/qt214524f5/qt214524f5.pdfinfo:doi/10.1016/j.physletb.2016.08.042articlePhysics Letters B, vol 761350 - 371oai:escholarship.org:ark:/13030/qt1z03c60k2026-04-04T11:37:39Zqt1z03c60kSearch for supersymmetry in a final state containing two photons and missing transverse momentum in s = 13 TeV pp collisions at the LHC using the ATLAS detectorAaboud, MAad, GAbbott, BAbdallah, JAbdinov, OAbeloos, BAben, RAbouZeid, OSAbraham, NLAbramowicz, HAbreu, HAbreu, RAbulaiti, YAcharya, BSAdachi, SAdamczyk, LAdams, DLAdelman, JAdomeit, SAdye, TAffolder, AAAgatonovic-Jovin, TAgricola, JAguilar-Saavedra, JAAhlen, SPAhmadov, FAielli, GAkerstedt, HÅkesson, TPAAkimov, AVAlberghi, GLAlbert, JAlbrand, SVerzini, MJ AlconadaAleksa, MAleksandrov, INAlexa, CAlexander, GAlexopoulos, TAlhroob, MAli, BAliev, MAlimonti, GAlison, JAlkire, SPAllbrooke, BMMAllen, BWAllport, PPAloisio, AAlonso, AAlonso, FAlpigiani, CAlshehri, AAAlstaty, MGonzalez, B AlvarezPiqueras, D ÁlvarezAlviggi, MGAmadio, BTAmako, KCoutinho, Y AmaralAmelung, CAmidei, DSantos, SP Amor DosAmorim, AAmoroso, SAmundsen, GAnastopoulos, CAncu, LSAndari, NAndeen, TAnders, CFAnders, GAnders, JKAnderson, KJAndreazza, AAndrei, VAngelidakis, SAngelozzi, IAnger, PAngerami, AAnghinolfi, FAnisenkov, AVAnjos, NAnnovi, AAntel, CAntonelli, MAntonov, AAnulli, FAoki, MBella, L AperioArabidze, GArai, YAraque, JPArce, ATHArduh, FAArguin, J-FArgyropoulos, SArik, MArmbruster, AJArmitage, LJ2016-09-01A search has been made for supersymmetry in a final state containing two photons and missing transverse momentum using the ATLAS detector at the Large Hadron Collider. The search makes use of 3.2fb-1$$3.2{~\mathrm{fb}^{-1}}$$ of proton-proton collision data collected at a centre-of-mass energy of 13 TeV in 2015. Using a combination of data-driven and Monte-Carlo-based approaches, the Standard Model background is estimated to be 0.27-0.10+0.22$$0.27^{+0.22}_{-0.10}$$ events. No events are observed in the signal region; considering the expected background and its uncertainty, this observation implies a model-independent 95 % CL upper limit of 0.93 fb (3.0 events) on the visible cross section due to physics beyond the Standard Model. In the context of a generalized model of gauge-mediated supersymmetry breaking with a bino-like next-to-lightest supersymmetric particle, this leads to a lower limit of 1650 GeV on the mass of a degenerate octet of gluino states, independent of the mass of the lighter bino-like neutralino.5106 Nuclear and Plasma Physics (for-2020)5107 Particle and High Energy Physics (for-2020)51 Physical Sciences (for-2020)ATLAS CollaborationATLAS CollaborationATLAS Collaborationhep-exhep-ex0202 AtomicMolecularNuclearParticle and Plasma Physics (for)0206 Quantum Physics (for)Nuclear & Particles Physics (science-metrix)5101 Astronomical sciences (for-2020)5102 Atomicmolecular and optical physics (for-2020)5107 Particle and high energy physics (for-2020)application/pdfpubliceScholarship, University of Californiahttps://escholarship.org/uc/item/1z03c60khttps://escholarship.org/content/qt1z03c60k/qt1z03c60k.pdfinfo:doi/10.1140/epjc/s10052-016-4344-xarticleEuropean Physical Journal C, vol 76, iss 9517oai:escholarship.org:ark:/13030/qt1hn5d67d2026-04-04T11:37:28Zqt1hn5d67dThe performance of the jet trigger for the ATLAS detector during 2011 data takingAad, GAbbott, BAbdallah, JAbdinov, OAbeloos, BAben, RAbolins, MAbouZeid, OSAbraham, NLAbramowicz, HAbreu, HAbreu, RAbulaiti, YAcharya, BSAdamczyk, LAdams, DLAdelman, JAdomeit, SAdye, TAffolder, AAAgatonovic-Jovin, TAgricola, JAguilar-Saavedra, JAAhlen, SPAhmadov, FAielli, GAkerstedt, HÅkesson, TPAAkimov, AVAlberghi, GLAlbert, JAlbrand, SVerzini, MJ AlconadaAleksa, MAleksandrov, INAlexa, CAlexander, GAlexopoulos, TAlhroob, MAliev, MAlimonti, GAlison, JAlkire, SPAllbrooke, BMMAllen, BWAllport, PPAloisio, AAlonso, AAlonso, FAlpigiani, CGonzalez, B AlvarezPiqueras, D ÁlvarezAlviggi, MGAmadio, BTAmako, KCoutinho, Y AmaralAmelung, CAmidei, DSantos, SP Amor DosAmorim, AAmoroso, SAmram, NAmundsen, GAnastopoulos, CAncu, LSAndari, NAndeen, TAnders, CFAnders, GAnders, JKAnderson, KJAndreazza, AAndrei, VAngelidakis, SAngelozzi, IAnger, PAngerami, AAnghinolfi, FAnisenkov, AVAnjos, NAnnovi, AAntonelli, MAntonov, AAntos, JAnulli, FAoki, MBella, L AperioArabidze, GArai, YAraque, JPArce, ATHArduh, FAArguin, J-FArgyropoulos, SArik, MArmbruster, AJArmitage, LJArnaez, OArnold, HArratia, M2016-10-01The performance of the jet trigger for the ATLAS detector at the LHC during the 2011 data taking period is described. During 2011 the LHC provided proton-proton collisions with a centre-of-mass energy of 7 TeV and heavy ion collisions with a 2.76 TeV per nucleon-nucleon collision energy. The ATLAS trigger is a three level system designed to reduce the rate of events from the 40 MHz nominal maximum bunch crossing rate to the approximate 400 Hz which can be written to offline storage. The ATLAS jet trigger is the primary means for the online selection of events containing jets. Events are accepted by the trigger if they contain one or more jets above some transverse energy threshold. During 2011 data taking the jet trigger was fully efficient for jets with transverse energy above 25 GeV for triggers seeded randomly at Level 1. For triggers which require a jet to be identified at each of the three trigger levels, full efficiency is reached for offline jets with transverse energy above 60 GeV. Jets reconstructed in the final trigger level and corresponding to offline jets with transverse energy greater than 60 GeV, are reconstructed with a resolution in transverse energy with respect to offline jets, of better than 4 % in the central region and better than 2.5 % in the forward direction.5106 Nuclear and Plasma Physics (for-2020)5107 Particle and High Energy Physics (for-2020)51 Physical Sciences (for-2020)ATLAS CollaborationATLAS CollaborationATLAS Collaborationhep-exhep-ex0202 AtomicMolecularNuclearParticle and Plasma Physics (for)0206 Quantum Physics (for)Nuclear & Particles Physics (science-metrix)5101 Astronomical sciences (for-2020)5102 Atomicmolecular and optical physics (for-2020)5107 Particle and high energy physics (for-2020)application/pdfpubliceScholarship, University of Californiahttps://escholarship.org/uc/item/1hn5d67dhttps://escholarship.org/content/qt1hn5d67d/qt1hn5d67d.pdfinfo:doi/10.1140/epjc/s10052-016-4325-0articleEuropean Physical Journal C, vol 76, iss 10526oai:escholarship.org:ark:/13030/qt2bk367hn2026-04-04T11:37:17Zqt2bk367hnMeasurement of the bb¯ dijet cross section in pp collisions at s=7 TeV with the ATLAS detectorAaboud, MAad, GAbbott, BAbdallah, JAbdinov, OAbeloos, BAben, RAbouZeid, OSAbraham, NLAbramowicz, HAbreu, HAbreu, RAbulaiti, YAcharya, BSAdamczyk, LAdams, DLAdelman, JAdomeit, SAdye, TAffolder, AAAgatonovic-Jovin, TAgricola, JAguilar-Saavedra, JAAhlen, SPAhmadov, FAielli, GAkerstedt, HÅkesson, TPAAkimov, AVAlberghi, GLAlbert, JAlbrand, SVerzini, MJ AlconadaAleksa, MAleksandrov, INAlexa, CAlexander, GAlexopoulos, TAlhroob, MAliev, MAlimonti, GAlison, JAlkire, SPAllbrooke, BMMAllen, BWAllport, PPAloisio, AAlonso, AAlonso, FAlpigiani, CAlstaty, MGonzalez, B AlvarezPiqueras, D ÁlvarezAlviggi, MGAmadio, BTAmako, KCoutinho, Y AmaralAmelung, CAmidei, DSantos, SP Amor DosAmorim, AAmoroso, SAmundsen, GAnastopoulos, CAncu, LSAndari, NAndeen, TAnders, CFAnders, GAnders, JKAnderson, KJAndreazza, AAndrei, VAngelidakis, SAngelozzi, IAnger, PAngerami, AAnghinolfi, FAnisenkov, AVAnjos, NAnnovi, AAntonelli, MAntonov, AAnulli, FAoki, MBella, L AperioArabidze, GArai, YAraque, JPArce, ATHArduh, FAArguin, J-FArgyropoulos, SArik, MArmbruster, AJArmitage, LJArnaez, OArnold, HArratia, MArslan, O2016-12-01The dijet production cross section for jets containing a b-hadron (b-jets) has been measured in proton–proton collisions with a centre-of-mass energy of s=7$$\sqrt{s} = 7$$ TeV, using the ATLAS detector at the LHC. The data used correspond to an integrated luminosity of 4.2fb-1$$\mathrm 4.2\,\text {fb}^{-1}$$. The cross section is measured for events with two identified b-jets with a transverse momentum pT>20$$p_{\text {T}} > 20$$ GeV and a minimum separation in the η$$\eta $$–ϕ$$\phi $$ plane of ΔR=0.4$$\Delta R = 0.4$$. At least one of the jets in the event is required to have pT>270$$p_{\text {T}} > 270$$ GeV. The cross section is measured differentially as a function of dijet invariant mass, dijet transverse momentum, boost of the dijet system, and the rapidity difference, azimuthal angle and angular distance between the b-jets. The results are compared to different predictions of leading order and next-to-leading order perturbative quantum chromodynamics matrix elements supplemented with models for parton-showers and hadronization.5106 Nuclear and Plasma Physics (for-2020)5107 Particle and High Energy Physics (for-2020)51 Physical Sciences (for-2020)ATLAS Collaborationhep-exhep-ex0202 AtomicMolecularNuclearParticle and Plasma Physics (for)0206 Quantum Physics (for)Nuclear & Particles Physics (science-metrix)5101 Astronomical sciences (for-2020)5102 Atomicmolecular and optical physics (for-2020)5107 Particle and high energy physics (for-2020)application/pdfCC-BYeScholarship, University of Californiahttps://escholarship.org/uc/item/2bk367hnhttps://escholarship.org/content/qt2bk367hn/qt2bk367hn.pdfinfo:doi/10.1140/epjc/s10052-016-4521-yarticleEuropean Physical Journal C, vol 76, iss 12670oai:escholarship.org:ark:/13030/qt4q7879nw2026-04-04T11:36:09Zqt4q7879nwMeasurement of exclusive γγ→W+W- production and search for exclusive Higgs boson production in pp collisions at s=8 TeV using the ATLAS detectorAaboud, MAad, GAbbott, BAbdallah, JAbdinov, OAbeloos, BAben, RAbouZeid, OSAbraham, NLAbramowicz, HAbreu, HAbreu, RAbulaiti, YAcharya, BSAdamczyk, LAdams, DLAdelman, JAdomeit, SAdye, TAffolder, AAAgatonovic-Jovin, TAgricola, JAguilar-Saavedra, JAAhlen, SPAhmadov, FAielli, GAkerstedt, HÅkesson, TPAAkimov, AVAlberghi, GLAlbert, JAlbrand, SVerzini, MJ AlconadaAleksa, MAleksandrov, INAlexa, CAlexander, GAlexopoulos, TAlhroob, MAli, BAliev, MAlimonti, GAlison, JAlkire, SPAllbrooke, BMMAllen, BWAllport, PPAloisio, AAlonso, AAlonso, FAlpigiani, CAlstaty, MGonzalez, B AlvarezPiqueras, D ÁlvarezAlviggi, MGAmadio, BTAmako, KCoutinho, Y AmaralAmelung, CAmidei, DDos Santos, SP AmorAmorim, AAmoroso, SAmundsen, GAnastopoulos, CAncu, LSAndari, NAndeen, TAnders, CFAnders, GAnders, JKAnderson, KJAndreazza, AAndrei, VAngelidakis, SAngelozzi, IAnger, PAngerami, AAnghinolfi, FAnisenkov, AVAnjos, NAnnovi, AAntel, CAntonelli, MAntonov, AAnulli, FAoki, MBella, L AperioArabidze, GArai, YAraque, JPArce, ATHArduh, FAArguin, J-FArgyropoulos, SArik, MArmbruster, AJArmitage, LJArnaez, OArnold, H2016-08-01Searches for exclusively produced W boson pairs in the process pp(γγ)→pW+W-p and an exclusively produced Higgs boson in the process pp(gg)→pHp have been performed using e±μ∓ final states. These measurements use 20.2 fb-1 of pp collisions collected by the ATLAS experiment at a center-of-mass energy s=8 TeV at the LHC. Exclusive production of W+W- consistent with the Standard Model prediction is found with 3.0σ significance. The exclusive W+W- production cross section is determined to be σ(γγ→W+W-→e±μ∓X)=6.9±2.2(stat)±1.4(sys) fb, in agreement with the Standard Model prediction. Limits on anomalous quartic gauge couplings are set at 95% confidence level as -1.7×10-65106 Nuclear and Plasma Physics (for-2020)5107 Particle and High Energy Physics (for-2020)51 Physical Sciences (for-2020)hep-exhep-exapplication/pdfCC-BYeScholarship, University of Californiahttps://escholarship.org/uc/item/4q7879nwhttps://escholarship.org/content/qt4q7879nw/qt4q7879nw.pdfinfo:doi/10.1103/physrevd.94.032011articlePhysical Review D, vol 94, iss 3032011oai:escholarship.org:ark:/13030/qt867908r72026-04-04T11:35:59Zqt867908r7Measurements of top-quark pair differential cross-sections in the lepton+jets channel in pp collisions at s=8TeV using the ATLAS detectorAad, GAbbott, BAbdallah, JAbdinov, OAben, RAbolins, MAbouZeid, OSAbramowicz, HAbreu, HAbreu, RAbulaiti, YAcharya, BSAdamczyk, LAdams, DLAdelman, JAdomeit, SAdye, TAffolder, AAAgatonovic-Jovin, TAgricola, JAguilar-Saavedra, JAAhlen, SPAhmadov, FAielli, GAkerstedt, HÅkesson, TPAAkimov, AVAlberghi, GLAlbert, JAlbrand, SAlconada Verzini, MJAleksa, MAleksandrov, INAlexa, CAlexander, GAlexopoulos, TAlhroob, MAlimonti, GAlio, LAlison, JAlkire, SPAllbrooke, BMMAllport, PPAloisio, AAlonso, AAlonso, FAlpigiani, CAltheimer, AAlvarez Gonzalez, BÁlvarez Piqueras, DAlviggi, MGAmadio, BTAmako, KAmaral Coutinho, YAmelung, CAmidei, DAmor Dos Santos, SPAmorim, AAmoroso, SAmram, NAmundsen, GAnastopoulos, CAncu, LSAndari, NAndeen, TAnders, CFAnders, GAnders, JKAnderson, KJAndreazza, AAndrei, VAngelidakis, SAngelozzi, IAnger, PAngerami, AAnghinolfi, FAnisenkov, AVAnjos, NAnnovi, AAntonelli, MAntonov, AAntos, JAnulli, FAoki, MAperio Bella, LArabidze, GArai, YAraque, JPArce, ATHArduh, FAArguin, J-FArgyropoulos, SArik, MArmbruster, AJArnaez, OArnold, HArratia, MArslan, OArtamonov, AArtoni, G2016-10-01Measurements of normalized differential cross-sections of top-quark pair production are presented as a function of the top-quark, tt¯$$t\bar{t}$$ system and event-level kinematic observables in proton–proton collisions at a centre-of-mass energy of s=8TeV$$\sqrt{s}=8\,\mathrm{TeV}$$. The observables have been chosen to emphasize the tt¯$$t\bar{t}$$ production process and to be sensitive to effects of initial- and final-state radiation, to the different parton distribution functions, and to non-resonant processes and higher-order corrections. The dataset corresponds to an integrated luminosity of 20.3 fb-1$$^{-1}$$, recorded in 2012 with the ATLAS detector at the CERN Large Hadron Collider. Events are selected in the lepton+jets channel, requiring exactly one charged lepton and at least four jets with at least two of the jets tagged as originating from a b-quark. The measured spectra are corrected for detector effects and are compared to several Monte Carlo simulations. The results are in fair agreement with the predictions over a wide kinematic range. Nevertheless, most generators predict a harder top-quark transverse momentum distribution at high values than what is observed in the data. Predictions beyond NLO accuracy improve the agreement with data at high top-quark transverse momenta. Using the current settings and parton distribution functions, the rapidity distributions are not well modelled by any generator under consideration. However, the level of agreement is improved when more recent sets of parton distribution functions are used.5106 Nuclear and Plasma Physics (for-2020)5107 Particle and High Energy Physics (for-2020)51 Physical Sciences (for-2020)ATLAS CollaborationATLAS CollaborationATLAS Collaborationhep-exhep-ex0202 AtomicMolecularNuclearParticle and Plasma Physics (for)0206 Quantum Physics (for)Nuclear & Particles Physics (science-metrix)5101 Astronomical sciences (for-2020)5102 Atomicmolecular and optical physics (for-2020)5107 Particle and high energy physics (for-2020)application/pdfCC-BYeScholarship, University of Californiahttps://escholarship.org/uc/item/867908r7https://escholarship.org/content/qt867908r7/qt867908r7.pdfinfo:doi/10.1140/epjc/s10052-016-4366-4articleEuropean Physical Journal C, vol 76, iss 10538oai:escholarship.org:ark:/13030/qt20t602772026-04-04T11:35:45Zqt20t60277Measurement of the Inelastic Proton-Proton Cross Section at s=13 TeV with the ATLAS Detector at the LHCAaboud, MAad, GAbbott, BAbdallah, JAbdinov, OAbeloos, BAben, RAbouZeid, OSAbraham, NLAbramowicz, HAbreu, HAbreu, RAbulaiti, YAcharya, BSAdamczyk, LAdams, DLAdelman, JAdomeit, SAdye, TAffolder, AAAgatonovic-Jovin, TAgricola, JAguilar-Saavedra, JAAhlen, SPAhmadov, FAielli, GAkerstedt, HÅkesson, TPAAkimov, AVAlberghi, GLAlbert, JAlbrand, SVerzini, MJ AlconadaAleksa, MAleksandrov, INAlexa, CAlexander, GAlexopoulos, TAlhroob, MAli, BAliev, MAlimonti, GAlison, JAlkire, SPAllbrooke, BMMAllen, BWAllport, PPAloisio, AAlonso, AAlonso, FAlpigiani, CAlstaty, MGonzalez, B AlvarezPiqueras, D ÁlvarezAlviggi, MGAmadio, BTAmako, KCoutinho, Y AmaralAmelung, CAmidei, DDos Santos, SP AmorAmorim, AAmoroso, SAmundsen, GAnastopoulos, CAncu, LSAndari, NAndeen, TAnders, CFAnders, GAnders, JKAnderson, KJAndreazza, AAndrei, VAngelidakis, SAngelozzi, IAnger, PAngerami, AAnghinolfi, FAnisenkov, AVAnjos, NAnnovi, AAntel, CAntonelli, MAntonov, AAnulli, FAoki, MBella, L AperioArabidze, GArai, YAraque, JPArce, ATHArduh, FAArguin, J-FArgyropoulos, SArik, MArmbruster, AJArmitage, LJArnaez, OArnold, H2016-10-28This Letter presents a measurement of the inelastic proton-proton cross section using 60 μb^{-1} of pp collisions at a center-of-mass energy sqrt[s] of 13 TeV with the ATLAS detector at the LHC. Inelastic interactions are selected using rings of plastic scintillators in the forward region (2.07<|η|<3.86) of the detector. A cross section of 68.1±1.4 mb is measured in the fiducial region ξ=M_{X}^{2}/s>10^{-6}, where M_{X} is the larger invariant mass of the two hadronic systems separated by the largest rapidity gap in the event. In this ξ range the scintillators are highly efficient. For diffractive events this corresponds to cases where at least one proton dissociates to a system with M_{X}>13 GeV. The measured cross section is compared with a range of theoretical predictions. When extrapolated to the full phase space, a cross section of 78.1±2.9 mb is measured, consistent with the inelastic cross section increasing with center-of-mass energy.5106 Nuclear and Plasma Physics (for-2020)5107 Particle and High Energy Physics (for-2020)5110 Synchrotrons and Accelerators (for-2020)51 Physical Sciences (for-2020)ATLAS Collaborationhep-exhep-ex01 Mathematical Sciences (for)02 Physical Sciences (for)09 Engineering (for)General Physics (science-metrix)40 Engineering (for-2020)49 Mathematical sciences (for-2020)51 Physical sciences (for-2020)application/pdfCC-BYeScholarship, University of Californiahttps://escholarship.org/uc/item/20t60277https://escholarship.org/content/qt20t60277/qt20t60277.pdfinfo:doi/10.1103/physrevlett.117.182002articlePhysical Review Letters, vol 117, iss 18182002oai:escholarship.org:ark:/13030/qt9z7639wn2026-04-04T11:35:34Zqt9z7639wnSearch for new phenomena in different-flavour high-mass dilepton final states in pp collisions at s=13 Tev with the ATLAS detectorAaboud, MAad, GAbbott, BAbdallah, JAbdinov, OAbeloos, BAben, RAbouZeid, OSAbraham, NLAbramowicz, HAbreu, HAbreu, RAbulaiti, YAcharya, BSAdachi, SAdamczyk, LAdams, DLAdelman, JAdomeit, SAdye, TAffolder, AAAgatonovic-Jovin, TAgricola, JAguilar-Saavedra, JAAhlen, SPAhmadov, FAielli, GAkerstedt, HÅkesson, TPAAkimov, AVAlberghi, GLAlbert, JAlbrand, SVerzini, MJ AlconadaAleksa, MAleksandrov, INAlexa, CAlexander, GAlexopoulos, TAlhroob, MAli, BAliev, MAlimonti, GAlison, JAlkire, SPAllbrooke, BMMAllen, BWAllport, PPAloisio, AAlonso, AAlonso, FAlpigiani, CAlshehri, AAAlstaty, MGonzalez, B AlvarezPiqueras, D ÁlvarezAlviggi, MGAmadio, BTAmako, KCoutinho, Y AmaralAmelung, CAmidei, DSantos, SP Amor DosAmorim, AAmoroso, SAmundsen, GAnastopoulos, CAncu, LSAndari, NAndeen, TAnders, CFAnders, GAnders, JKAnderson, KJAndreazza, AAndrei, VAngelidakis, SAngelozzi, IAnger, PAngerami, AAnghinolfi, FAnisenkov, AVAnjos, NAnnovi, AAntel, CAntonelli, MAntonov, AAnulli, FAoki, MBella, L AperioArabidze, GArai, YAraque, JPArce, ATHArduh, FAArguin, J-FArgyropoulos, SArik, MArmbruster, AJArmitage, LJ2016-10-01A search is performed for a heavy particle decaying into different flavour dilepton pairs (eμ$$e\mu $$, eτ$$e\tau $$ or μτ$$\mu \tau $$), using 3.2 fb-1$$^{-1}$$ of proton–proton collision data at s=13$$\sqrt{s}=13$$ TeV collected in 2015 by the ATLAS detector at the Large Hadron Collider. No excess over the Standard Model prediction is observed. Limits at the 95 % credibility level are set on the mass of a Z′$$Z^\prime $$ boson with lepton-flavour-violating couplings at 3.0, 2.7 and 2.6 TeV, and on the mass of a supersymmetric τ$$\tau $$ sneutrino with R-parity-violating couplings at 2.3, 2.2 and 1.9 TeV, for eμ$$e\mu $$, eτ$$e\tau $$ and μτ$$\mu \tau $$ final states, respectively. The results are also interpreted as limits on the threshold mass for quantum black hole production.5106 Nuclear and Plasma Physics (for-2020)5107 Particle and High Energy Physics (for-2020)51 Physical Sciences (for-2020)ATLAS Collaborationhep-exhep-ex0202 AtomicMolecularNuclearParticle and Plasma Physics (for)0206 Quantum Physics (for)Nuclear & Particles Physics (science-metrix)5101 Astronomical sciences (for-2020)5102 Atomicmolecular and optical physics (for-2020)5107 Particle and high energy physics (for-2020)application/pdfCC-BYeScholarship, University of Californiahttps://escholarship.org/uc/item/9z7639wnhttps://escholarship.org/content/qt9z7639wn/qt9z7639wn.pdfinfo:doi/10.1140/epjc/s10052-016-4385-1articleEuropean Physical Journal C, vol 76, iss 10541oai:escholarship.org:ark:/13030/qt2dk1f1zd2026-04-04T11:35:21Zqt2dk1f1zdMeasurement of total and differential W+W− production cross sections in proton-proton collisions at s=8 TeV with the ATLAS detector and limits on anomalous triple-gauge-boson couplingsThe ATLAS collaborationAad, GAbbott, BAbdallah, JAbdinov, OAben, RAbolins, MAbouZeid, OSAbramowicz, HAbreu, HAbreu, RAbulaiti, YAcharya, BSAdamczyk, LAdams, DLAdelman, JAdomeit, SAdye, TAffolder, AAAgatonovic-Jovin, TAgricola, JAguilar-Saavedra, JAAhlen, SPAhmadov, FAielli, GAkerstedt, HÅkesson, TPAAkimov, AVAlberghi, GLAlbert, JAlbrand, SAlconada Verzini, MJAleksa, MAleksandrov, INAlexa, CAlexander, GAlexopoulos, TAlhroob, MAlimonti, GAlio, LAlison, JAlkire, SPAllbrooke, BMMAllport, PPAloisio, AAlonso, AAlonso, FAlpigiani, CAlvarez Gonzalez, BÁlvarez Piqueras, DAlviggi, MGAmadio, BTAmako, KAmaral Coutinho, YAmelung, CAmidei, DAmor Dos Santos, SPAmorim, AAmoroso, SAmram, NAmundsen, GAnastopoulos, CAncu, LSAndari, NAndeen, TAnders, CFAnders, GAnders, JKAnderson, KJAndreazza, AAndrei, VAngelidakis, SAngelozzi, IAnger, PAngerami, AAnghinolfi, FAnisenkov, AVAnjos, NAnnovi, AAntonelli, MAntonov, AAntos, JAnulli, FAoki, MAperio Bella, LArabidze, GArai, YAraque, JPArce, ATHArduh, FAArguin, J-FArgyropoulos, SArik, MArmbruster, AJArnaez, OArnold, HArratia, MArslan, OArtamonov, AArtoni, G2016-09-01The production of W boson pairs in proton-proton collisions at s=8 TeV is studied using data corresponding to 20.3 fb−1 of integrated luminosity collected by the ATLAS detector during 2012 at the CERN Large Hadron Collider. The W bosons are reconstructed using their leptonic decays into electrons or muons and neutrinos. Events with reconstructed jets are not included in the candidate event sample. A total of 6636 WW candidate events are observed. Measurements are performed in fiducial regions closely approximating the detector acceptance. The integrated measurement is corrected for all acceptance effects and for the W branching fractions to leptons in order to obtain the total WW production cross section, which is found to be 71.1 ± 1.1(stat) − 5.0 + 5.7(syst) ± 1.4(lumi) pb. This agrees with the next-to-next-to-leading-order Standard Model prediction of 63. 2− 1.4 + 1.6(scale) ± 1.2(PDF) pb. Fiducial differential cross sections are measured as a function of each of six kinematic variables. The distribution of the transverse momentum of the leading lepton is used to set limits on anomalous triple-gauge-boson couplings.[Figure not available: see fulltext.]5106 Nuclear and Plasma Physics (for-2020)5107 Particle and High Energy Physics (for-2020)51 Physical Sciences (for-2020)Electroweak interactionHadron-Hadron scattering (experiments)QCDhep-exhep-ex0105 Mathematical Physics (for)0202 AtomicMolecularNuclearParticle and Plasma Physics (for)0206 Quantum Physics (for)Nuclear & Particles Physics (science-metrix)4902 Mathematical physics (for-2020)5106 Nuclear and plasma physics (for-2020)5107 Particle and high energy physics (for-2020)application/pdfCC-BYeScholarship, University of Californiahttps://escholarship.org/uc/item/2dk1f1zdhttps://escholarship.org/content/qt2dk1f1zd/qt2dk1f1zd.pdfinfo:doi/10.1007/jhep09(2016)029articleJournal of High Energy Physics, vol 2016, iss 929oai:escholarship.org:ark:/13030/qt8nz4f3v32026-04-04T11:35:11Zqt8nz4f3v3Search for squarks and gluinos in final states with jets and missing transverse momentum at s =13 TeVwith the ATLAS detectorAtlas CollaborationAaboud, MAad, GAbbott, BAbdallah, JAbdinov, OAbeloos, BAben, RAbouZeid, OSAbraham, NLAbramowicz, HAbreu, HAbreu, RAbulaiti, YAcharya, BSAdachi, SAdamczyk, LAdams, DLAdelman, JAdomeit, SAdye, TAffolder, AAAgatonovic-Jovin, TAgricola, JAguilar-Saavedra, JAAhlen, SPAhmadov, FAielli, GAkerstedt, HÅkesson, TPAAkimov, AVAlberghi, GLAlbert, JAlbrand, SAlconada Verzini, MJAleksa, MAleksandrov, INAlexa, CAlexander, GAlexopoulos, TAlhroob, MAliev, MAlimonti, GAlison, JAlkire, SPAllbrooke, BMMAllen, BWAllport, PPAloisio, AAlonso, AAlonso, FAlpigiani, CAlstaty, MAlvarez Gonzalez, BÁlvarez Piqueras, DAlviggi, MGAmadio, BTAmako, KAmaral Coutinho, YAmelung, CAmidei, DAmor Dos Santos, SPAmorim, AAmoroso, SAmundsen, GAnastopoulos, CAncu, LSAndari, NAndeen, TAnders, CFAnders, GAnders, JKAnderson, KJAndreazza, AAndrei, VAngelidakis, SAngelozzi, IAnger, PAngerami, AAnghinolfi, FAnisenkov, AVAnjos, NAnnovi, AAntonelli, MAntonov, AAnulli, FAoki, MAperio Bella, LArabidze, GArai, YAraque, JPArce, ATHArduh, FAArguin, J-FArgyropoulos, SArik, MArmbruster, AJArmitage, LJArnaez, OArnold, H2016-07-01A search for squarks and gluinos in final states containing hadronic jets, missing transverse momentum but no electrons or muons is presented. The data were recorded in 2015 by the ATLAS experiment in s=13TeV$$\sqrt{s}=13~{\mathrm{TeV}}$$ proton–proton collisions at the Large Hadron Collider. No excess above the Standard Model background expectation was observed in 3.2 fb-1$$\mathrm{fb}^{-1}$$ of analyzed data. Results are interpreted within simplified models that assume R-parity is conserved and the neutralino is the lightest supersymmetric particle. An exclusion limit at the 95 % confidence level on the mass of the gluino is set at 1.51 TeV$${\mathrm{TeV}}$$ for a simplified model incorporating only a gluino octet and the lightest neutralino, assuming the lightest neutralino is massless. For a simplified model involving the strong production of mass-degenerate first- and second-generation squarks, squark masses below 1.03 TeV$${\mathrm{TeV}}$$ are excluded for a massless lightest neutralino. These limits substantially extend the region of supersymmetric parameter space excluded by previous measurements with the ATLAS detector.5106 Nuclear and Plasma Physics (for-2020)5107 Particle and High Energy Physics (for-2020)51 Physical Sciences (for-2020)Atlas CollaborationAtlas CollaborationAtlas Collaborationhep-exhep-ex0202 AtomicMolecularNuclearParticle and Plasma Physics (for)0206 Quantum Physics (for)Nuclear & Particles Physics (science-metrix)5101 Astronomical sciences (for-2020)5102 Atomicmolecular and optical physics (for-2020)5107 Particle and high energy physics (for-2020)application/pdfCC-BYeScholarship, University of Californiahttps://escholarship.org/uc/item/8nz4f3v3https://escholarship.org/content/qt8nz4f3v3/qt8nz4f3v3.pdfinfo:doi/10.1140/epjc/s10052-016-4184-8articleEuropean Physical Journal C, vol 76, iss 7392oai:escholarship.org:ark:/13030/qt0303v26q2026-04-04T11:35:00Zqt0303v26qA search for an excited muon decaying to a muon and two jets in pp collisions at s = 8 TeV with the ATLAS detector atlas.publications@cern.chAad, GAbbott, BAbdallah, JAbdinov, OAbeloos, BAben, RAbolins, MAbouZeid, OSAbramowicz, HAbreu, HAbreu, RAbulaiti, YAcharya, BSAdamczyk, LAdams, DLAdelman, JAdomeit, SAdye, TAffolder, AAAgatonovic-Jovin, TAgricola, JAguilar-Saavedra, JAAhlen, SPAhmadov, FAielli, GAkerstedt, HÅkesson, TPAAkimov, AVAlberghi, GLAlbert, JAlbrand, SVerzini, MJ AlconadaAleksa, MAleksandrov, INAlexa, CAlexander, GAlexopoulos, TAlhroob, MAlimonti, GAlio, LAlison, JAlkire, SPAllbrooke, BMMAllen, BWAllport, PPAloisio, AAlonso, AAlonso, FAlpigiani, CGonzalez, B AlvarezPiqueras, D ÁlvarezAlviggi, MGAmadio, BTAmako, KCoutinho, Y AmaralAmelung, CAmidei, DDos Santos, SP AmorAmorim, AAmoroso, SAmram, NAmundsen, GAnastopoulos, CAncu, LSAndari, NAndeen, TAnders, CFAnders, GAnders, JKAnderson, KJAndreazza, AAndrei, VAngelidakis, SAngelozzi, IAnger, PAngerami, AAnghinolfi, FAnisenkov, AVAnjos, NAnnovi, AAntonelli, MAntonov, AAntos, JAnulli, FAoki, MBella, L AperioArabidze, GArai, YAraque, JPArce, ATHArduh, FAArguin, J-FArgyropoulos, SArik, MArmbruster, AJArnaez, OArnold, HArratia, MArslan, OArtamonov, A2016-07-01A new search signature for excited leptons is explored. Excited muons are sought in the channel pp → μ μ * → μ μ jet jet , assuming both the production and decay occur via a contact interaction. The analysis is based on 20.3 fb−1 of pp collision data at a centre-of-mass energy of s = 8 TeV taken with the ATLAS detector at the large hadron collider. No evidence of excited muons is found, and limits are set at the 95% confidence level on the cross section times branching ratio as a function of the excited-muon mass m μ * . For m μ * between 1.3 and 3.0 TeV, the upper limit on σ B ( μ * → μ q q ¯ ) is between 0.6 and 1 fb. Limits on σ B are converted to lower bounds on the compositeness scale Λ. In the limiting case Λ = m μ * , excited muons with a mass below 2.8 TeV are excluded. With the same model assumptions, these limits at larger μ * masses improve upon previous limits from traditional searches based on the gauge-mediated decay μ * → μ γ .5106 Nuclear and Plasma Physics (for-2020)5107 Particle and High Energy Physics (for-2020)51 Physical Sciences (for-2020)excited leptonslepton compositenessleptoquarkshep-exhep-ex02 Physical Sciences (for)Fluids & Plasmas (science-metrix)51 Physical sciences (for-2020)application/pdfCC-BYeScholarship, University of Californiahttps://escholarship.org/uc/item/0303v26qhttps://escholarship.org/content/qt0303v26q/qt0303v26q.pdfinfo:doi/10.1088/1367-2630/18/7/073021articleNew Journal of Physics, vol 18, iss 7073021oai:escholarship.org:ark:/13030/qt70r4d7tm2026-04-04T11:34:50Zqt70r4d7tmSearch for Higgs and Z Boson Decays to ϕγ with the ATLAS DetectorAaboud, MAad, GAbbott, BAbdallah, JAbdinov, OAbeloos, BAben, RAbouZeid, OSAbraham, NLAbramowicz, HAbreu, HAbreu, RAbulaiti, YAcharya, BSAdamczyk, LAdams, DLAdelman, JAdomeit, SAdye, TAffolder, AAAgatonovic-Jovin, TAgricola, JAguilar-Saavedra, JAAhlen, SPAhmadov, FAielli, GAkerstedt, HÅkesson, TPAAkimov, AVAlberghi, GLAlbert, JAlbrand, SVerzini, MJ AlconadaAleksa, MAleksandrov, INAlexa, CAlexander, GAlexopoulos, TAlhroob, MAli, BAliev, MAlimonti, GAlison, JAlkire, SPAllbrooke, BMMAllen, BWAllport, PPAloisio, AAlonso, AAlonso, FAlpigiani, CAlstaty, MGonzalez, B AlvarezPiqueras, D ÁlvarezAlviggi, MGAmadio, BTAmako, KCoutinho, Y AmaralAmelung, CAmidei, DDos Santos, SP AmorAmorim, AAmoroso, SAmundsen, GAnastopoulos, CAncu, LSAndari, NAndeen, TAnders, CFAnders, GAnders, JKAnderson, KJAndreazza, AAndrei, VAngelidakis, SAngelozzi, IAnger, PAngerami, AAnghinolfi, FAnisenkov, AVAnjos, NAnnovi, AAntel, CAntonelli, MAntonov, AAnulli, FAoki, MBella, L AperioArabidze, GArai, YAraque, JPArce, ATHArduh, FAArguin, J-FArgyropoulos, SArik, MArmbruster, AJArmitage, LJArnaez, OArnold, H2016-09-09A search for the decays of the Higgs and Z bosons to a ϕ meson and a photon is performed with a pp collision data sample corresponding to an integrated luminosity of 2.7 fb^{-1} collected at sqrt[s]=13 TeV with the ATLAS detector at the LHC. No significant excess of events is observed above the background, and 95% confidence level upper limits on the branching fractions of the Higgs and Z boson decays to ϕγ of 1.4×10^{-3} and 8.3×10^{-6}, respectively, are obtained.5106 Nuclear and Plasma Physics (for-2020)5107 Particle and High Energy Physics (for-2020)51 Physical Sciences (for-2020)ATLAS CollaborationATLAS CollaborationATLAS Collaborationhep-exhep-ex01 Mathematical Sciences (for)02 Physical Sciences (for)09 Engineering (for)General Physics (science-metrix)40 Engineering (for-2020)49 Mathematical sciences (for-2020)51 Physical sciences (for-2020)application/pdfCC-BYeScholarship, University of Californiahttps://escholarship.org/uc/item/70r4d7tmhttps://escholarship.org/content/qt70r4d7tm/qt70r4d7tm.pdfinfo:doi/10.1103/physrevlett.117.111802articlePhysical Review Letters, vol 117, iss 11111802oai:escholarship.org:ark:/13030/qt4f75k6ds2026-04-04T11:34:39Zqt4f75k6dsCharged-particle distributions in pp interactions at s=8TeV measured with the ATLAS detectorAad, GAbbott, BAbdallah, JAbdinov, OAbeloos, BAben, RAbolins, MAbouZeid, OSAbraham, NLAbramowicz, HAbreu, HAbreu, RAbulaiti, YAcharya, BSAdamczyk, LAdams, DLAdelman, JAdomeit, SAdye, TAffolder, AAAgatonovic-Jovin, TAgricola, JAguilar-Saavedra, JAAhlen, SPAhmadov, FAielli, GAkerstedt, HÅkesson, TPAAkimov, AVAlberghi, GLAlbert, JAlbrand, SAlconada Verzini, MJAleksa, MAleksandrov, INAlexa, CAlexander, GAlexopoulos, TAlhroob, MAliev, MAlimonti, GAlison, JAlkire, SPAllbrooke, BMMAllen, BWAllport, PPAloisio, AAlonso, AAlonso, FAlpigiani, CAlvarez Gonzalez, BÁlvarez Piqueras, DAlviggi, MGAmadio, BTAmako, KAmaral Coutinho, YAmelung, CAmidei, DAmor Dos Santos, SPAmorim, AAmoroso, SAmram, NAmundsen, GAnastopoulos, CAncu, LSAndari, NAndeen, TAnders, CFAnders, GAnders, JKAnderson, KJAndreazza, AAndrei, VAngelidakis, SAngelozzi, IAnger, PAngerami, AAnghinolfi, FAnisenkov, AVAnjos, NAnnovi, AAntonelli, MAntonov, AAntos, JAnulli, FAoki, MAperio Bella, LArabidze, GArai, YAraque, JPArce, ATHArduh, FAArguin, J-FArgyropoulos, SArik, MArmbruster, AJArmitage, LJArnaez, OArnold, HArratia, M2016-07-01This paper presents measurements of distributions of charged particles which are produced in proton–proton collisions at a centre-of-mass energy of s=8TeV$$\sqrt{s} = 8 \mathrm {\, TeV}$$ and recorded by the ATLAS detector at the LHC. A special dataset recorded in 2012 with a small number of interactions per beam crossing (below 0.004) and corresponding to an integrated luminosity of 160 μb-1$$\upmu \mathrm{b}^{-1}$$ was used. A minimum-bias trigger was utilised to select a data sample of more than 9 million collision events. The multiplicity, pseudorapidity, and transverse momentum distributions of charged particles are shown in different regions of kinematics and charged-particle multiplicity, including measurements of final states at high multiplicity. The results are corrected for detector effects and are compared to the predictions of various Monte Carlo event generator models which simulate the full hadronic final state.5106 Nuclear and Plasma Physics (for-2020)5107 Particle and High Energy Physics (for-2020)5110 Synchrotrons and Accelerators (for-2020)51 Physical Sciences (for-2020)ATLAS CollaborationATLAS CollaborationATLAS Collaborationhep-exhep-ex0202 AtomicMolecularNuclearParticle and Plasma Physics (for)0206 Quantum Physics (for)Nuclear & Particles Physics (science-metrix)5101 Astronomical sciences (for-2020)5102 Atomicmolecular and optical physics (for-2020)5107 Particle and high energy physics (for-2020)application/pdfCC-BYeScholarship, University of Californiahttps://escholarship.org/uc/item/4f75k6dshttps://escholarship.org/content/qt4f75k6ds/qt4f75k6ds.pdfinfo:doi/10.1140/epjc/s10052-016-4203-9articleEuropean Physical Journal C, vol 76, iss 7403oai:escholarship.org:ark:/13030/qt7xv442sr2026-04-04T11:33:26Zqt7xv442srMeasurements of the charge asymmetry in top-quark pair production in the dilepton final state at s=8 TeV with the ATLAS detectorAad, GAbbott, BAbdallah, JAbdinov, OAbeloos, BAben, RAbolins, MAbouZeid, OSAbraham, NLAbramowicz, HAbreu, HAbreu, RAbulaiti, YAcharya, BSAdamczyk, LAdams, DLAdelman, JAdomeit, SAdye, TAffolder, AAAgatonovic-Jovin, TAgricola, JAguilar-Saavedra, JAAhlen, SPAhmadov, FAielli, GAkerstedt, HÅkesson, TPAAkimov, AVAlberghi, GLAlbert, JAlbrand, SVerzini, MJ AlconadaAleksa, MAleksandrov, INAlexa, CAlexander, GAlexopoulos, TAlhroob, MAliev, MAlimonti, GAlison, JAlkire, SPAllbrooke, BMMAllen, BWAllport, PPAloisio, AAlonso, AAlonso, FAlpigiani, CGonzalez, B AlvarezPiqueras, D ÁlvarezAlviggi, MGAmadio, BTAmako, KCoutinho, Y AmaralAmelung, CAmidei, DDos Santos, SP AmorAmorim, AAmoroso, SAmram, NAmundsen, GAnastopoulos, CAncu, LSAndari, NAndeen, TAnders, CFAnders, GAnders, JKAnderson, KJAndreazza, AAndrei, VAngelidakis, SAngelozzi, IAnger, PAngerami, AAnghinolfi, FAnisenkov, AVAnjos, NAnnovi, AAntonelli, MAntonov, AAntos, JAnulli, FAoki, MBella, L AperioArabidze, GArai, YAraque, JPArce, ATHArduh, FAArguin, J-FArgyropoulos, SArik, MArmbruster, AJArmitage, LJArnaez, OArnold, HArratia, M2016-08-01Measurements of the top-antitop quark pair production charge asymmetry in the dilepton channel, characterized by two high-pT leptons (electrons or muons), are presented using data corresponding to an integrated luminosity of 20.3 fb-1 from pp collisions at a center-of-mass energy s=8 TeV collected with the ATLAS detector at the Large Hadron Collider at CERN. Inclusive and differential measurements as a function of the invariant mass, transverse momentum, and longitudinal boost of the tt system are performed both in the full phase space and in a fiducial phase space closely matching the detector acceptance. Two observables are studied: ACℓℓ based on the selected leptons and ACtt based on the reconstructed tt final state. The inclusive asymmetries are measured in the full phase space to be ACℓℓ=0.008±0.006 and ACtt=0.021±0.016, which are in agreement with the Standard Model predictions of ACℓℓ=0.0064±0.0003 and ACtt=0.0111±0.0004.5106 Nuclear and Plasma Physics (for-2020)5107 Particle and High Energy Physics (for-2020)51 Physical Sciences (for-2020)hep-exhep-exapplication/pdfpubliceScholarship, University of Californiahttps://escholarship.org/uc/item/7xv442srhttps://escholarship.org/content/qt7xv442sr/qt7xv442sr.pdfinfo:doi/10.1103/physrevd.94.032006articlePhysical Review D, vol 94, iss 3032006oai:escholarship.org:ark:/13030/qt2555m6n52026-04-04T11:33:16Zqt2555m6n5Search for new phenomena in events with a photon and missing transverse momentum in pp collisions at s=13 TeV with the ATLAS detectorThe ATLAS collaborationAaboud, MAad, GAbbott, BAbdallah, JAbdinov, OAbeloos, BAben, RAbouZeid, OSAbraham, NLAbramowicz, HAbreu, HAbreu, RAbulaiti, YAcharya, BSAdamczyk, LAdams, DLAdelman, JAdomeit, SAdye, TAffolder, AAAgatonovic-Jovin, TAgricola, JAguilar-Saavedra, JAAhlen, SPAhmadov, FAielli, GAkerstedt, HÅkesson, TPAAkimov, AVAlberghi, GLAlbert, JAlbrand, SAlconada Verzini, MJAleksa, MAleksandrov, INAlexa, CAlexander, GAlexopoulos, TAlhroob, MAliev, MAlimonti, GAlison, JAlkire, SPAllbrooke, BMMAllen, BWAllport, PPAloisio, AAlonso, AAlonso, FAlpigiani, CAlstaty, MAlvarez Gonzalez, BÁlvarez Piqueras, DAlviggi, MGAmadio, BTAmako, KAmaral Coutinho, YAmelung, CAmidei, DAmor Dos Santos, SPAmorim, AAmoroso, SAmundsen, GAnastopoulos, CAncu, LSAndari, NAndeen, TAnders, CFAnders, GAnders, JKAnderson, KJAndreazza, AAndrei, VAngelidakis, SAngelozzi, IAnger, PAngerami, AAnghinolfi, FAnisenkov, AVAnjos, NAnnovi, AAntonelli, MAntonov, AAnulli, FAoki, MAperio Bella, LArabidze, GArai, YAraque, JPArce, ATHArduh, FAArguin, J-FArgyropoulos, SArik, MArmbruster, AJArmitage, LJArnaez, OArnold, HArratia, M2016-06-01Results of a search for new phenomena in events with an energetic photon and large missing transverse momentum with the ATLAS experiment at the Large Hadron Collider are reported. The data were collected in proton-proton collisions at a centre-of-mass energy of 13 TeV and correspond to an integrated luminosity of 3.2 fb−1. The observed data are in agreement with the Standard Model expectations. Exclusion limits are presented in models of new phenomena including pair production of dark matter candidates or large extra spatial dimensions. In a simplified model of dark matter and an axial-vector mediator, the search excludes mediator masses below 710 GeV for dark matter candidate masses below 150 GeV. In an effective theory of dark matter production, values of the suppression scale M∗ up to 570 GeV are excluded and the effect of truncation for various coupling values is reported. For the ADD large extra spatial dimension model the search places more stringent limits than earlier searches in the same event topology, excluding MD up to about 2.3 (2.8) TeV for two (six) additional spatial dimensions; the limits are reduced by 20-40% depending on the number of additional spatial dimensions when applying a truncation procedure.5106 Nuclear and Plasma Physics (for-2020)5107 Particle and High Energy Physics (for-2020)51 Physical Sciences (for-2020)Hadron-Hadron scattering (experiments)hep-exhep-ex0105 Mathematical Physics (for)0202 AtomicMolecularNuclearParticle and Plasma Physics (for)0206 Quantum Physics (for)Nuclear & Particles Physics (science-metrix)4902 Mathematical physics (for-2020)5106 Nuclear and plasma physics (for-2020)5107 Particle and high energy physics (for-2020)application/pdfCC-BYeScholarship, University of Californiahttps://escholarship.org/uc/item/2555m6n5https://escholarship.org/content/qt2555m6n5/qt2555m6n5.pdfinfo:doi/10.1007/jhep06(2016)059articleJournal of High Energy Physics, vol 2016, iss 659oai:escholarship.org:ark:/13030/qt8d5039p62026-04-04T11:33:05Zqt8d5039p6A search for top squarks with R-parity-violating decays to all-hadronic final states with the ATLAS detector in s=8 TeV proton-proton collisionsThe ATLAS collaborationAad, GAbbott, BAbdallah, JAbdinov, OAbeloos, BAben, RAbolins, MAbouZeid, OSAbramowicz, HAbreu, HAbreu, RAbulaiti, YAcharya, BSAdamczyk, LAdams, DLAdelman, JAdomeit, SAdye, TAffolder, AAAgatonovic-Jovin, TAgricola, JAguilar-Saavedra, JAAhlen, SPAhmadov, FAielli, GAkerstedt, HÅkesson, TPAAkimov, AVAlberghi, GLAlbert, JAlbrand, SAlconada Verzini, MJAleksa, MAleksandrov, INAlexa, CAlexander, GAlexopoulos, TAlhroob, MAlimonti, GAlio, LAlison, JAlkire, SPAllbrooke, BMMAllen, BWAllport, PPAloisio, AAlonso, AAlonso, FAlpigiani, CAlvarez Gonzalez, BÁlvarez Piqueras, DAlviggi, MGAmadio, BTAmako, KAmaral Coutinho, YAmelung, CAmidei, DAmor Dos Santos, SPAmorim, AAmoroso, SAmram, NAmundsen, GAnastopoulos, CAncu, LSAndari, NAndeen, TAnders, CFAnders, GAnders, JKAnderson, KJAndreazza, AAndrei, VAngelidakis, SAngelozzi, IAnger, PAngerami, AAnghinolfi, FAnisenkov, AVAnjos, NAnnovi, AAntonelli, MAntonov, AAntos, JAnulli, FAoki, MAperio Bella, LArabidze, GArai, YAraque, JPArce, ATHArduh, FAArguin, J-FArgyropoulos, SArik, MArmbruster, AJArnaez, OArnold, HArratia, MArslan, O2016-06-01A search for the pair production of top squarks, each with R-parity-violating decays into two Standard Model quarks, is performed using 17.4 fb−1 of √s = 8 TeV proton-proton collision data recorded by the ATLAS experiment at the LHC. Each top squark is assumed to decay to a b- and an s-quark, leading to four quarks in the final state. Background discrimination is achieved with the use of b-tagging and selections on the mass and substructure of large-radius jets, providing sensitivity to top squark masses as low as 100 GeV. No evidence of an excess beyond the Standard Model background prediction is observed and top squarks decaying to b¯ s¯ are excluded for top squark masses in the range 100 ≤ mt≤ 315 GeV at 95% confidence level.5106 Nuclear and Plasma Physics (for-2020)5107 Particle and High Energy Physics (for-2020)4902 Mathematical Physics (for-2020)49 Mathematical Sciences (for-2020)51 Physical Sciences (for-2020)Hadron-Hadron scattering (experiments)hep-exhep-ex0105 Mathematical Physics (for)0202 AtomicMolecularNuclearParticle and Plasma Physics (for)0206 Quantum Physics (for)Nuclear & Particles Physics (science-metrix)4902 Mathematical physics (for-2020)5106 Nuclear and plasma physics (for-2020)5107 Particle and high energy physics (for-2020)application/pdfCC-BYeScholarship, University of Californiahttps://escholarship.org/uc/item/8d5039p6https://escholarship.org/content/qt8d5039p6/qt8d5039p6.pdfinfo:doi/10.1007/jhep06(2016)067articleJournal of High Energy Physics, vol 2016, iss 667oai:escholarship.org:ark:/13030/qt3g3764pd2026-04-04T11:32:55Zqt3g3764pdSearch for the Standard Model Higgs boson decaying into bb¯ produced in association with top quarks decaying hadronically in pp collisions at s=8 TeV with the ATLAS detectorThe ATLAS collaborationAad, GAbbott, BAbdallah, JAbdinov, OAbeloos, BAben, RAbolins, MAbouZeid, OSAbraham, NLAbramowicz, HAbreu, HAbreu, RAbulaiti, YAcharya, BSAdamczyk, LAdams, DLAdelman, JAdomeit, SAdye, TAffolder, AAAgatonovic-Jovin, TAgricola, JAguilar-Saavedra, JAAhlen, SPAhmadov, FAielli, GAkerstedt, HÅkesson, TPAAkimov, AVAlberghi, GLAlbert, JAlbrand, SAlconada Verzini, MJAleksa, MAleksandrov, INAlexa, CAlexander, GAlexopoulos, TAlhroob, MAliev, MAlimonti, GAlison, JAlkire, SPAllbrooke, BMMAllen, BWAllport, PPAloisio, AAlonso, AAlonso, FAlpigiani, CAlstaty, MAlvarez Gonzalez, BÁlvarez Piqueras, DAlviggi, MGAmadio, BTAmako, KAmaral Coutinho, YAmelung, CAmidei, DAmor Dos Santos, SPAmorim, AAmoroso, SAmundsen, GAnastopoulos, CAncu, LSAndari, NAndeen, TAnders, CFAnders, GAnders, JKAnderson, KJAndreazza, AAndrei, VAngelidakis, SAngelozzi, IAnger, PAngerami, AAnghinolfi, FAnisenkov, AVAnjos, NAnnovi, AAntonelli, MAntonov, AAntos, JAnulli, FAoki, MAperio Bella, LArabidze, GAracena, IArai, YAraque, JPArce, ATHArduh, FAArguin, J-FArgyropoulos, SArik, MArmbruster, AJArmitage, LJArnaez, O2016-05-01A search for Higgs boson production in association with a pair of top quarks (tt¯ H) is performed, where the Higgs boson decays to bb¯, and both top quarks decay hadronically. The data used correspond to an integrated luminosity of 20.3 fb−1 of pp collisions at √s = 8 TeV collected with the ATLAS detector at the Large Hadron Collider. The search selects events with at least six energetic jets and uses a boosted decision tree algorithm to discriminate between signal and Standard Model background. The dominant multijet background is estimated using a dedicated data-driven technique. For a Higgs boson mass of 125 GeV, an upper limit of 6.4 (5.4) times the Standard Model cross section is observed (expected) at 95% confidence level. The best-fit value for the signal strength is μ = 1.6 ± 2.6 times the Standard Model expectation for mH = 125 GeV. Combining all tt¯ H searches carried out by ATLAS at √s = 8 and 7 TeV, an observed (expected) upper limit of 3.1 (1.4) times the Standard Model expectation is obtained at 95% confidence level, with a signal strength μ = 1.7 ± 0.8.5106 Nuclear and Plasma Physics (for-2020)5107 Particle and High Energy Physics (for-2020)51 Physical Sciences (for-2020)Hadron-Hadron scattering (experiments)hep-exhep-ex0105 Mathematical Physics (for)0202 AtomicMolecularNuclearParticle and Plasma Physics (for)0206 Quantum Physics (for)Nuclear & Particles Physics (science-metrix)4902 Mathematical physics (for-2020)5106 Nuclear and plasma physics (for-2020)5107 Particle and high energy physics (for-2020)application/pdfCC-BYeScholarship, University of Californiahttps://escholarship.org/uc/item/3g3764pdhttps://escholarship.org/content/qt3g3764pd/qt3g3764pd.pdfinfo:doi/10.1007/jhep05(2016)160articleJournal of High Energy Physics, vol 2016, iss 5160oai:escholarship.org:ark:/13030/qt939616kp2026-04-04T11:32:30Zqt939616kpBeam-induced and cosmic-ray backgrounds observed in the ATLAS detector during the LHC 2012 proton-proton running periodAad, GAbbott, BAbdallah, JAbdinov, OAbeloos, BAben, RAbolins, MAbouZeid, OSAbraham, NLAbramowicz, HAbreu, HAbreu, RAbulaiti, YAcharya, BSAdamczyk, LAdams, DLAdelman, JAdomeit, SAdye, TAffolder, AAAgatonovic-Jovin, TAgricola, JAguilar-Saavedra, JAAhlen, SPAhmadov, FAielli, GAkerstedt, HÅkesson, TPAAkimov, AVAlberghi, GLAlbert, JAlbrand, SVerzini, MJ AlconadaAleksa, MAleksandrov, INAlexa, CAlexander, GAlexopoulos, TAlhroob, MAliev, MAlimonti, GAlison, JAlkire, SPAllbrooke, BMMAllen, BWAllport, PPAloisio, AAlonso, AAlonso, FAlpigiani, CGonzalez, B AlvarezPiqueras, D ÁlvarezAlviggi, MGAmadio, BTAmako, KCoutinho, Y AmaralAmelung, CAmidei, DDos Santos, SP AmorAmorim, AAmoroso, SAmram, NAmundsen, GAnastopoulos, CAncu, LSAndari, NAndeen, TAnders, CFAnders, GAnders, JKAnderson, KJAndreazza, AAndrei, VAngelidakis, SAngelozzi, IAnger, PAngerami, AAnghinolfi, FAnisenkov, AVAnjos, NAnnovi, AAntonelli, MAntonov, AAntos, JAnulli, FAoki, MBella, L AperioArabidze, GArai, YAraque, JPArce, ATHArduh, FAArduini, GArguin, J-FArgyropoulos, SArik, MArmbruster, AJArmitage, LJArnaez, OArnold, H2016-05-01This paper discusses various observations on beam-induced and cosmic-ray backgrounds in the ATLAS detector during the LHC 2012 proton-proton run. Building on published results based on 2011 data, the correlations between background and residual pressure of the beam vacuum are revisited. Ghost charge evolution over 2012 and its role for backgrounds are evaluated. New methods to monitor ghost charge with beam-gas rates are presented and observations of LHC abort gap population by ghost charge are discussed in detail. Fake jets from colliding bunches and from ghost charge are analysed with improved methods, showing that ghost charge in individual radio-frequency buckets of the LHC can be resolved. Some results of two short periods of dedicated cosmic-ray background data-taking are shown; in particular cosmic-ray muon induced fake jet rates are compared to Monte Carlo simulations and to the fake jet rates from beam background. A thorough analysis of a particular LHC fill, where abnormally high background was observed, is presented. Correlations between backgrounds and beam intensity losses in special fills with very high β* are studied.5106 Nuclear and Plasma Physics (for-2020)5107 Particle and High Energy Physics (for-2020)51 Physical Sciences (for-2020)Beam-line instrumentation (beam position and profile monitorsbeam-intensity monitorsbunch length monitors)Data analysisPerformance of High Energy Physics Detectorshep-exhep-ex02 Physical Sciences (for)09 Engineering (for)Nuclear & Particles Physics (science-metrix)40 Engineering (for-2020)51 Physical sciences (for-2020)application/pdfCC-BYeScholarship, University of Californiahttps://escholarship.org/uc/item/939616kphttps://escholarship.org/content/qt939616kp/qt939616kp.pdfinfo:doi/10.1088/1748-0221/11/05/p05013articleJournal of Instrumentation, vol 11, iss 05p05013 - p05013oai:escholarship.org:ark:/13030/qt8343s2vn2026-04-04T11:32:20Zqt8343s2vnSearch for single production of a vector-like quark via a heavy gluon in the 4b final state with the ATLAS detector in pp collisions at s=8 TeVCollaboration, ATLASAad, GAbbott, BAbdallah, JAbdinov, OAbeloos, BAben, RAbolins, MAbouZeid, OSAbramowicz, HAbreu, HAbreu, RAbulaiti, YAcharya, BSAdamczyk, LAdams, DLAdelman, JAdomeit, SAdye, TAffolder, AAAgatonovic-Jovin, TAgricola, JAguilar-Saavedra, JAAhlen, SPAhmadov, FAielli, GAkerstedt, HÅkesson, TPAAkimov, AVAlberghi, GLAlbert, JAlbrand, SVerzini, MJ AlconadaAleksa, MAleksandrov, INAlexa, CAlexander, GAlexopoulos, TAlhroob, MAlimonti, GAlio, LAlison, JAlkire, SPAllbrooke, BMMAllen, BWAllport, PPAloisio, AAlonso, AAlonso, FAlpigiani, CGonzalez, B AlvarezPiqueras, D ÁlvarezAlviggi, MGAmadio, BTAmako, KCoutinho, Y AmaralAmelung, CAmidei, DDos Santos, SP AmorAmorim, AAmoroso, SAmram, NAmundsen, GAnastopoulos, CAncu, LSAndari, NAndeen, TAnders, CFAnders, GAnders, JKAnderson, KJAndreazza, AAndrei, VAngelidakis, SAngelozzi, IAnger, PAngerami, AAnghinolfi, FAnisenkov, AVAnjos, NAnnovi, AAntonelli, MAntonov, AAntos, JAnulli, FAoki, MBella, L AperioArabidze, GArai, YAraque, JPArce, ATHArduh, FAArguin, J-FArgyropoulos, SArik, MArmbruster, AJArmitage, LJArnaez, OArnold, HArratia, M2016-07-01A search is performed for the process pp→G⁎→BHb¯/B¯Hb→Hbb¯→bb¯bb¯, predicted in composite Higgs scenarios, where G⁎ is a heavy colour octet vector resonance and BH a vector-like quark of charge −1/3. The data were obtained from pp collisions at a centre-of-mass energy of 8 TeV corresponding to an integrated luminosity of 19.5 fb−1, recorded by the ATLAS detector at the LHC. The largest background, multijet production, is estimated using a data-driven method. No significant excess of events with respect to Standard Model predictions is observed, and upper limits on the production cross section times branching ratio are set. Comparisons to the predictions from a specific benchmark model are made, resulting in lower mass limits in the two-dimensional mass plane of mG⁎ vs. mBH.5106 Nuclear and Plasma Physics (for-2020)5107 Particle and High Energy Physics (for-2020)51 Physical Sciences (for-2020)hep-exhep-ex0105 Mathematical Physics (for)0201 Astronomical and Space Sciences (for)0202 AtomicMolecularNuclearParticle and Plasma Physics (for)Nuclear & Particles Physics (science-metrix)49 Mathematical sciences (for-2020)51 Physical sciences (for-2020)application/pdfCC-BYeScholarship, University of Californiahttps://escholarship.org/uc/item/8343s2vnhttps://escholarship.org/content/qt8343s2vn/qt8343s2vn.pdfinfo:doi/10.1016/j.physletb.2016.04.061articlePhysics Letters B, vol 758249 - 268oai:escholarship.org:ark:/13030/qt4f86b82f2026-04-04T11:32:09Zqt4f86b82fReconstruction of hadronic decay products of tau leptons with the ATLAS experimentAtlas CollaborationAad, GAbbott, BAbdallah, JAbdinov, OAben, RAbolins, MAbouZeid, OSAbramowicz, HAbreu, HAbreu, RAbulaiti, YAcharya, BSAdamczyk, LAdams, DLAdelman, JAdomeit, SAdye, TAffolder, AAAgatonovic-Jovin, TAgricola, JAguilar-Saavedra, JAAhlen, SPAhmadov, FAielli, GAkerstedt, HÅkesson, TPAAkimov, AVAlberghi, GLAlbert, JAlbrand, SAlconada Verzini, MJAleksa, MAleksandrov, INAlexa, CAlexander, GAlexopoulos, TAlhroob, MAlimonti, GAlio, LAlison, JAlkire, SPAllbrooke, BMMAllport, PPAloisio, AAlonso, AAlonso, FAlpigiani, CAltheimer, AAlvarez Gonzalez, BÁlvarez Piqueras, DAlviggi, MGAmadio, BTAmako, KAmaral Coutinho, YAmelung, CAmidei, DAmor Dos Santos, SPAmorim, AAmoroso, SAmram, NAmundsen, GAnastopoulos, CAncu, LSAndari, NAndeen, TAnders, CFAnders, GAnders, JKAnderson, KJAndreazza, AAndrei, VAngelidakis, SAngelozzi, IAnger, PAngerami, AAnghinolfi, FAnisenkov, AVAnjos, NAnnovi, AAntonelli, MAntonov, AAntos, JAnulli, FAoki, MAperio Bella, LArabidze, GArai, YAraque, JPArce, ATHArduh, FAArguin, J-FArgyropoulos, SArik, MArmbruster, AJArnaez, OArnold, HArratia, MArslan, OArtamonov, A2016-05-01This paper presents a new method of reconstructing the individual charged and neutral hadrons in tau decays with the ATLAS detector. The reconstructed hadrons are used to classify the decay mode and to calculate the visible four-momentum of reconstructed tau candidates, significantly improving the resolution with respect to the calibration in the existing tau reconstruction. The performance of the reconstruction algorithm is optimised and evaluated using simulation and validated using samples of Z→ττ$$Z\rightarrow \tau \tau $$ and Z(→μμ)$$Z(\rightarrow \mu \mu )$$+jets events selected from proton–proton collisions at a centre-of-mass energy s=8TeV$$\sqrt{s}=8\,\text {TeV}$$, corresponding to an integrated luminosity of 5 fb-1$$\mathrm{fb}^{-1}$$.5106 Nuclear and Plasma Physics (for-2020)5107 Particle and High Energy Physics (for-2020)51 Physical Sciences (for-2020)Atlas CollaborationAtlas CollaborationAtlas Collaborationhep-exhep-ex0202 AtomicMolecularNuclearParticle and Plasma Physics (for)0206 Quantum Physics (for)Nuclear & Particles Physics (science-metrix)5101 Astronomical sciences (for-2020)5102 Atomicmolecular and optical physics (for-2020)5107 Particle and high energy physics (for-2020)application/pdfCC-BYeScholarship, University of Californiahttps://escholarship.org/uc/item/4f86b82fhttps://escholarship.org/content/qt4f86b82f/qt4f86b82f.pdfinfo:doi/10.1140/epjc/s10052-016-4110-0articleEuropean Physical Journal C, vol 76, iss 5295oai:escholarship.org:ark:/13030/qt3694f4zb2026-04-04T11:31:52Zqt3694f4zbMeasurements of Zγ and Zγγ production in pp collisions at s=8 TeV with the ATLAS detectorAad, GAbbott, BAbdallah, JAbdinov, OAbeloos, BAben, RAbolins, MAbouZeid, OSAbraham, NLAbramowicz, HAbreu, HAbreu, RAbulaiti, YAcharya, BSAdamczyk, LAdams, DLAdelman, JAdomeit, SAdye, TAffolder, AAAgatonovic-Jovin, TAgricola, JAguilar-Saavedra, JAAhlen, SPAhmadov, FAielli, GAkerstedt, HÅkesson, TPAAkimov, AVAlberghi, GLAlbert, JAlbrand, SVerzini, MJ AlconadaAleksa, MAleksandrov, INAlexa, CAlexander, GAlexopoulos, TAlhroob, MAliev, MAlimonti, GAlison, JAlkire, SPAllbrooke, BMMAllen, BWAllport, PPAloisio, AAlonso, AAlonso, FAlpigiani, CGonzalez, B AlvarezPiqueras, D ÁlvarezAlviggi, MGAmadio, BTAmako, KCoutinho, Y AmaralAmelung, CAmidei, DDos Santos, SP AmorAmorim, AAmoroso, SAmram, NAmundsen, GAnastopoulos, CAncu, LSAndari, NAndeen, TAnders, CFAnders, GAnders, JKAnderson, KJAndreazza, AAndrei, VAngelidakis, SAngelozzi, IAnger, PAngerami, AAnghinolfi, FAnisenkov, AVAnjos, NAnnovi, AAntonelli, MAntonov, AAntos, JAnulli, FAoki, MBella, L AperioArabidze, GArai, YAraque, JPArce, ATHArduh, FAArguin, J-FArgyropoulos, SArik, MArmbruster, AJArmitage, LJArnaez, OArnold, HArratia, M2016-06-01The production of Z bosons with one or two isolated high-energy photons is studied using pp collisions at s=8 TeV. The analyses use a data sample with an integrated luminosity of 20.3 fb-1 collected by the ATLAS detector during the 2012 LHC data taking. The Zγ and Zγγ production cross sections are measured with leptonic (e+e-, μ+μ-, νν¯) decays of the Z boson, in extended fiducial regions defined in terms of the lepton and photon acceptance. They are then compared to cross-section predictions from the Standard Model, where the sources of the photons are radiation off initial-state quarks and radiative Z-boson decay to charged leptons, and from fragmentation of final-state quarks and gluons into photons. The yields of events with photon transverse energy ET>250 GeV from ℓ+ℓ-γ events and with ET>400 GeV from νν¯γ events are used to search for anomalous triple gauge-boson couplings ZZγ and Zγγ. The yields of events with diphoton invariant mass mγγ>200 GeV from ℓ+ℓ-γγ events and with mγγ>300 GeV from νν¯γγ events are used to search for anomalous quartic gauge-boson couplings ZZγγ and Zγγγ. No deviations from Standard Model predictions are observed and limits are placed on parameters used to describe anomalous triple and quartic gauge-boson couplings.5106 Nuclear and Plasma Physics (for-2020)5107 Particle and High Energy Physics (for-2020)51 Physical Sciences (for-2020)hep-exhep-exapplication/pdfCC-BYeScholarship, University of Californiahttps://escholarship.org/uc/item/3694f4zbhttps://escholarship.org/content/qt3694f4zb/qt3694f4zb.pdfinfo:doi/10.1103/physrevd.93.112002articlePhysical Review D, vol 93, iss 11112002oai:escholarship.org:ark:/13030/qt6s60r2c12026-04-04T11:31:31Zqt6s60r2c1Measurement of the transverse momentum and ϕη∗ distributions of Drell–Yan lepton pairs in proton–proton collisions at s=8 TeV with the ATLAS detectorAtlas CollaborationAad, GAbbott, BAbdallah, JAbdinov, OAben, RAbolins, MAbouZeid, OSAbramowicz, HAbreu, HAbreu, RAbulaiti, YAcharya, BSAdamczyk, LAdams, DLAdelman, JAdomeit, SAdye, TAffolder, AAAgatonovic-Jovin, TAgricola, JAguilar-Saavedra, JAAhlen, SPAhmadov, FAielli, GAkerstedt, HÅkesson, TPAAkimov, AVAlberghi, GLAlbert, JAlbrand, SAlconada Verzini, MJAleksa, MAleksandrov, INAlexa, CAlexander, GAlexopoulos, TAlhroob, MAlimonti, GAlio, LAlison, JAlkire, SPAllbrooke, BMMAllport, PPAloisio, AAlonso, AAlonso, FAlpigiani, CAltheimer, AAlvarez Gonzalez, BÁlvarez Piqueras, DAlviggi, MGAmadio, BTAmako, KAmaral Coutinho, YAmelung, CAmidei, DAmor Dos Santos, SPAmorim, AAmoroso, SAmram, NAmundsen, GAnastopoulos, CAncu, LSAndari, NAndeen, TAnders, CFAnders, GAnders, JKAnderson, KJAndreazza, AAndrei, VAngelidakis, SAngelozzi, IAnger, PAngerami, AAnghinolfi, FAnisenkov, AVAnjos, NAnnovi, AAntonelli, MAntonov, AAntos, JAnulli, FAoki, MAperio Bella, LArabidze, GArai, YAraque, JPArce, ATHArduh, FAArguin, J-FArgyropoulos, SArik, MArmbruster, AJArnaez, OArnold, HArratia, MArslan, OArtamonov, A2016-05-01Distributions of transverse momentum pTℓℓ$$p_T^{\ell \ell }$$ and the related angular variable ϕη∗$$\phi ^*_\eta $$ of Drell–Yan lepton pairs are measured in 20.3 fb-1$$^{-1}$$ of protonΓÇôproton collisions at s=8$$\sqrt{s}=8$$ TeV with the ATLAS detector at the LHC. Measurements in electron-pair and muon-pair final states are corrected for detector effects and combined. Compared to previous measurements in proton–proton collisions at s=7$$\sqrt{s}=7$$┬áTeV, these new measurements benefit from a larger data sample and improved control of systematic uncertainties. Measurements are performed in bins of lepton-pair mass above, around and below the Z-boson mass peak. The data are compared to predictions from perturbative and resummed QCD calculations. For values of ϕη∗<1$$\phi ^*_\eta < 1$$ the predictions from the Monte Carlo generator ResBos are generally consistent with the data within the theoretical uncertainties. However, at larger values of ϕη∗$$\phi ^*_\eta $$ this is not the case. Monte Carlo generators based on the parton-shower approach are unable to describe the data over the full range of pTℓℓ$$p_T^{\ell \ell }$$ while the fixed-order prediction of Dynnlo falls below the data at high values of pTℓℓ$$p_T^{\ell \ell }$$. ResBos and the parton-shower Monte Carlo generators provide a much better description of the evolution of the ϕη∗$$\phi ^*_\eta $$ and pTℓℓ$$p_T^{\ell \ell }$$ distributions as a function of lepton-pair mass and rapidity than the basic shape of the data.5106 Nuclear and Plasma Physics (for-2020)5107 Particle and High Energy Physics (for-2020)51 Physical Sciences (for-2020)Atlas Collaborationhep-exhep-ex0202 AtomicMolecularNuclearParticle and Plasma Physics (for)0206 Quantum Physics (for)Nuclear & Particles Physics (science-metrix)5101 Astronomical sciences (for-2020)5102 Atomicmolecular and optical physics (for-2020)5107 Particle and high energy physics (for-2020)application/pdfCC-BYeScholarship, University of Californiahttps://escholarship.org/uc/item/6s60r2c1https://escholarship.org/content/qt6s60r2c1/qt6s60r2c1.pdfinfo:doi/10.1140/epjc/s10052-016-4070-4articleEuropean Physical Journal C, vol 76, iss 5291oai:escholarship.org:ark:/13030/qt82k8w2dw2026-04-04T11:31:17Zqt82k8w2dwSearch for new phenomena in events with at least three photons collected in pp collisions at s = 8 TeV with the ATLAS detectorAad, GAbbott, BAbdallah, JAbdinov, OAben, RAbolins, MAbouZeid, OSAbramowicz, HAbreu, HAbreu, RAbulaiti, YAcharya, BSAdamczyk, LAdams, DLAdelman, JAdomeit, SAdye, TAffolder, AAAgatonovic-Jovin, TAgricola, JAguilar-Saavedra, JAAhlen, SPAhmadov, FAielli, GAkerstedt, HÅkesson, TPAAkimov, AVAlberghi, GLAlbert, JAlbrand, SAlconada Verzini, MJAleksa, MAleksandrov, INAlexa, CAlexander, GAlexopoulos, TAlhroob, MAlimonti, GAlio, LAlison, JAlkire, SPAllbrooke, BMMAllport, PPAloisio, AAlonso, AAlonso, FAlpigiani, CAltheimer, AAlvarez Gonzalez, BÁlvarez Piqueras, DAlviggi, MGAmadio, BTAmako, KAmaral Coutinho, YAmelung, CAmidei, DAmor Dos Santos, SPAmorim, AAmoroso, SAmram, NAmundsen, GAnastopoulos, CAncu, LSAndari, NAndeen, TAnders, CFAnders, GAnders, JKAnderson, KJAndreazza, AAndrei, VAngelidakis, SAngelozzi, IAnger, PAngerami, AAnghinolfi, FAnisenkov, AVAnjos, NAnnovi, AAntonelli, MAntonov, AAntos, JAnulli, FAoki, MAperio Bella, LArabidze, GArai, YAraque, JPArce, ATHArduh, FAArguin, J-FArgyropoulos, SArik, MArmbruster, AJArnaez, OArnal, VArnold, HArratia, MArslan, OArtamonov, A2016-04-01Results of a search for new phenomena in events with at least three photons are reported. Data from proton–proton collisions at a centre-of-mass energy of 8 TeV, corresponding to an integrated luminosity of 20.3 fb-1$$^{-1}$$, were collected with the ATLAS detector at the LHC. The observed data are well described by the Standard Model. Limits at the 95 % confidence level on new phenomena are presented based on the rate of events in an inclusive signal region and a restricted signal region targeting the rare decay Z→3γ$$Z\rightarrow 3\gamma $$, as well as di-photon and tri-photon resonance searches. For a Standard Model Higgs boson decaying to four photons via a pair of intermediate pseudoscalar particles (a), limits are found to be σ×BR(h→aa)×BR(a→γγ)2<10-3σSM$$\sigma \times {\text{ BR }}(h \rightarrow aa) \times {\text{ BR }}(a \rightarrow \gamma \gamma )^{2} < 10^{-3} \sigma _{\text {SM}}$$ for 10 GeV $$m_{H} > $$ 125 GeV, and for a Z′$$Z'$$ decaying to three photons via Z′→a+γ→3γ$$Z' \rightarrow a+\gamma \rightarrow 3\gamma $$. Additionally, the observed limit on the branching ratio of the Z boson decay to three photons is found to be BR(Z→3γ)<2.2×10-6$$(Z \rightarrow 3\gamma ) < 2.2 \times 10^{-6}$$, a result five times stronger than the previous result from LEP.5106 Nuclear and Plasma Physics (for-2020)5107 Particle and High Energy Physics (for-2020)51 Physical Sciences (for-2020)ATLAS CollaborationATLAS CollaborationATLAS Collaborationhep-exhep-ex0202 AtomicMolecularNuclearParticle and Plasma Physics (for)0206 Quantum Physics (for)Nuclear & Particles Physics (science-metrix)5101 Astronomical sciences (for-2020)5102 Atomicmolecular and optical physics (for-2020)5107 Particle and high energy physics (for-2020)application/pdfCC-BYeScholarship, University of Californiahttps://escholarship.org/uc/item/82k8w2dwhttps://escholarship.org/content/qt82k8w2dw/qt82k8w2dw.pdfinfo:doi/10.1140/epjc/s10052-016-4034-8articleEuropean Physical Journal C, vol 76, iss 4210oai:escholarship.org:ark:/13030/qt84p6z4z62026-04-04T11:30:05Zqt84p6z4z6Muon reconstruction performance of the ATLAS detector in proton–proton collision data at s=13 TeVAtlas CollaborationAad, GAbbott, BAbdallah, JAbdinov, OAbeloos, BAben, RAbolins, MAbouZeid, OSAbraham, NLAbramowicz, HAbreu, HAbreu, RAbulaiti, YAcharya, BSAdamczyk, LAdams, DLAdelman, JAdomeit, SAdye, TAffolder, AAAgatonovic-Jovin, TAgricola, JAguilar-Saavedra, JAAhlen, SPAhmadov, FAielli, GAkerstedt, HÅkesson, TPAAkimov, AVAlberghi, GLAlbert, JAlbrand, SAlconada Verzini, MJAleksa, MAleksandrov, INAlexa, CAlexander, GAlexopoulos, TAlhroob, MAliev, MAlimonti, GAlison, JAlkire, SPAllbrooke, BMMAllen, BWAllport, PPAloisio, AAlonso, AAlonso, FAlpigiani, CAlstaty, MAlvarez Gonzalez, BÁlvarez Piqueras, DAlviggi, MGAmadio, BTAmako, KAmaral Coutinho, YAmelung, CAmidei, DAmor Dos Santos, SPAmorim, AAmoroso, SAmundsen, GAnastopoulos, CAncu, LSAndari, NAndeen, TAnders, CFAnders, GAnders, JKAnderson, KJAndreazza, AAndrei, VAngelidakis, SAngelozzi, IAnger, PAngerami, AAnghinolfi, FAnisenkov, AVAnjos, NAnnovi, AAntonelli, MAntonov, AAntos, JAnulli, FAoki, MAperio Bella, LArabidze, GArai, YAraque, JPArce, ATHArduh, FAArguin, J-FArgyropoulos, SArik, MArmbruster, AJArmitage, LJArnaez, OArnold, H2016-05-01This article documents the performance of the ATLAS muon identification and reconstruction using the LHC dataset recorded at s=13$$\sqrt{s} = 13$$ TeV in 2015. Using a large sample of J/ψ→μμ$$J/\psi \rightarrow \mu \mu $$ and Z→μμ$$Z\rightarrow \mu \mu $$ decays from 3.2 fb-1$$^{-1}$$ of pp collision data, measurements of the reconstruction efficiency, as well as of the momentum scale and resolution, are presented and compared to Monte Carlo simulations. The reconstruction efficiency is measured to be close to 99%$$99~\%$$ over most of the covered phase space (|η|<2.5$$|\eta |<2.5$$ and 52.2$$|\eta |>2.2$$, the pT$$p_{\mathrm {T}} $$ resolution for muons from Z→μμ$$Z\rightarrow \mu \mu $$ decays is 2.9%$$2.9~\%$$ while the precision of the momentum scale for low-pT$$p_{\mathrm {T}} $$ muons from J/ψ→μμ$$J/\psi \rightarrow \mu \mu $$ decays is about 0.2%$$0.2~\%$$.5106 Nuclear and Plasma Physics (for-2020)5107 Particle and High Energy Physics (for-2020)51 Physical Sciences (for-2020)Atlas Collaborationhep-exhep-ex0202 AtomicMolecularNuclearParticle and Plasma Physics (for)0206 Quantum Physics (for)Nuclear & Particles Physics (science-metrix)5101 Astronomical sciences (for-2020)5102 Atomicmolecular and optical physics (for-2020)5107 Particle and high energy physics (for-2020)application/pdfCC-BYeScholarship, University of Californiahttps://escholarship.org/uc/item/84p6z4z6https://escholarship.org/content/qt84p6z4z6/qt84p6z4z6.pdfinfo:doi/10.1140/epjc/s10052-016-4120-yarticleEuropean Physical Journal C, vol 76, iss 5292oai:escholarship.org:ark:/13030/qt8k58637j2026-04-04T11:29:53Zqt8k58637jMeasurement of the differential cross-sections of prompt and non-prompt production of J/ψ and ψ(2S) in pp collisions at s=7 and 8 TeV with the ATLAS detectorAad, GAbbott, BAbdallah, JAbdinov, OAben, RAbolins, MAbouZeid, OSAbramowicz, HAbreu, HAbreu, RAbulaiti, YAcharya, BSAdamczyk, LAdams, DLAdelman, JAdomeit, SAdye, TAffolder, AAAgatonovic-Jovin, TAgricola, JAguilar-Saavedra, JAAhlen, SPAhmadov, FAielli, GAkerstedt, HÅkesson, TPAAkimov, AVAlberghi, GLAlbert, JAlbrand, SAlconada Verzini, MJAleksa, MAleksandrov, INAlexa, CAlexander, GAlexopoulos, TAlhroob, MAlimonti, GAlio, LAlison, JAlkire, SPAllbrooke, BMMAllport, PPAloisio, AAlonso, AAlonso, FAlpigiani, CAltheimer, AAlvarez Gonzalez, BÁlvarez Piqueras, DAlviggi, MGAmadio, BTAmako, KAmaral Coutinho, YAmelung, CAmidei, DAmor Dos Santos, SPAmorim, AAmoroso, SAmram, NAmundsen, GAnastopoulos, CAncu, LSAndari, NAndeen, TAnders, CFAnders, GAnders, JKAnderson, KJAndreazza, AAndrei, VAngelidakis, SAngelozzi, IAnger, PAngerami, AAnghinolfi, FAnisenkov, AVAnjos, NAnnovi, AAntonelli, MAntonov, AAntos, JAnulli, FAoki, MAperio Bella, LArabidze, GArai, YAraque, JPArce, ATHArduh, FAArguin, J-FArgyropoulos, SArik, MArmbruster, AJArnaez, OArnal, VArnold, HArratia, MArslan, OArtamonov, A2016-05-01The production rates of prompt and non-prompt J/ψ$$J/\psi $$ and ψ(2S)$$\psi (2\mathrm {S})$$ mesons in their dimuon decay modes are measured using 2.1 and 11.4 fb-1$$^{-1}$$ of data collected with the ATLAS experiment at the Large Hadron Collider, in proton–proton collisions at s=7$$\sqrt{s}=7$$ and 8 respectively. Production cross-sections for prompt as well as non-prompt sources, ratios of ψ(2S)$$\psi (2\mathrm {S})$$ to J/ψ$$J/\psi $$ production, and the fractions of non-prompt production for J/ψ$$J/\psi $$ and ψ(2S)$$\psi (2\mathrm {S})$$ are measured as a function of meson transverse momentum and rapidity. The measurements are compared to theoretical predictions.5106 Nuclear and Plasma Physics (for-2020)5107 Particle and High Energy Physics (for-2020)51 Physical Sciences (for-2020)ATLAS Collaborationhep-exhep-ex0202 AtomicMolecularNuclearParticle and Plasma Physics (for)0206 Quantum Physics (for)Nuclear & Particles Physics (science-metrix)5101 Astronomical sciences (for-2020)5102 Atomicmolecular and optical physics (for-2020)5107 Particle and high energy physics (for-2020)application/pdfCC-BYeScholarship, University of Californiahttps://escholarship.org/uc/item/8k58637jhttps://escholarship.org/content/qt8k58637j/qt8k58637j.pdfinfo:doi/10.1140/epjc/s10052-016-4050-8articleEuropean Physical Journal C, vol 76, iss 5283oai:escholarship.org:ark:/13030/qt90j6p5tz2026-04-04T11:29:42Zqt90j6p5tzMeasurement of the dependence of transverse energy production at large pseudorapidity on the hard-scattering kinematics of proton–proton collisions at s=2.76 TeV with ATLASCollaboration, ATLASAad, GAbbott, BAbdallah, JAbdinov, OAben, RAbolins, MAbouZeid, OSAbramowicz, HAbreu, HAbreu, RAbulaiti, YAcharya, BSAdamczyk, LAdams, DLAdelman, JAdomeit, SAdye, TAffolder, AAAgatonovic-Jovin, TAgricola, JAguilar-Saavedra, JAAhlen, SPAhmadov, FAielli, GAkerstedt, HÅkesson, TPAAkimov, AVAlberghi, GLAlbert, JAlbrand, SVerzini, MJ AlconadaAleksa, MAleksandrov, INAlexa, CAlexander, GAlexopoulos, TAlhroob, MAlimonti, GAlio, LAlison, JAlkire, SPAllbrooke, BMMAllport, PPAloisio, AAlonso, AAlonso, FAlpigiani, CAltheimer, AGonzalez, B AlvarezPiqueras, D ÁlvarezAlviggi, MGAmadio, BTAmako, KCoutinho, Y AmaralAmelung, CAmidei, DDos Santos, SP AmorAmorim, AAmoroso, SAmram, NAmundsen, GAnastopoulos, CAncu, LSAndari, NAndeen, TAnders, CFAnders, GAnders, JKAnderson, KJAndreazza, AAndrei, VAngelidakis, SAngelozzi, IAnger, PAngerami, AAnghinolfi, FAnisenkov, AVAnjos, NAnnovi, AAntonelli, MAntonov, AAntos, JAnulli, FAoki, MBella, L AperioArabidze, GArai, YAraque, JPArce, ATHArduh, FAArguin, J-FArgyropoulos, SArik, MArmbruster, AJArnaez, OArnal, VArnold, HArratia, MArslan, O2016-05-01The relationship between jet production in the central region and the underlying-event activity in a pseudorapidity-separated region is studied in 4.0 pb−1 of s=2.76 TeV pp collision data recorded with the ATLAS detector at the LHC. The underlying event is characterised through measurements of the average value of the sum of the transverse energy at large pseudorapidity downstream of one of the protons, which are reported here as a function of hard-scattering kinematic variables. The hard scattering is characterised by the average transverse momentum and pseudorapidity of the two highest transverse momentum jets in the event. The dijet kinematics are used to estimate, on an event-by-event basis, the scaled longitudinal momenta of the hard-scattered partons in the target and projectile beam-protons moving toward and away from the region measuring transverse energy, respectively. Transverse energy production at large pseudorapidity is observed to decrease with a linear dependence on the longitudinal momentum fraction in the target proton and to depend only weakly on that in the projectile proton. The results are compared to the predictions of various Monte Carlo event generators, which qualitatively reproduce the trends observed in data but generally underpredict the overall level of transverse energy at forward pseudorapidity.5106 Nuclear and Plasma Physics (for-2020)5107 Particle and High Energy Physics (for-2020)4902 Mathematical Physics (for-2020)49 Mathematical Sciences (for-2020)51 Physical Sciences (for-2020)hep-exhep-exnucl-ex0105 Mathematical Physics (for)0201 Astronomical and Space Sciences (for)0202 AtomicMolecularNuclearParticle and Plasma Physics (for)Nuclear & Particles Physics (science-metrix)49 Mathematical sciences (for-2020)51 Physical sciences (for-2020)application/pdfCC-BYeScholarship, University of Californiahttps://escholarship.org/uc/item/90j6p5tzhttps://escholarship.org/content/qt90j6p5tz/qt90j6p5tz.pdfinfo:doi/10.1016/j.physletb.2016.02.056articlePhysics Letters B, vol 756, iss 75610 - 28oai:escholarship.org:ark:/13030/qt813781gr2026-04-04T11:29:28Zqt813781grSearch for direct top squark pair production in final states with two tau leptons in pp collisions at s=8 TeV with the ATLAS detectorAtlas CollaborationAad, GAbbott, BAbdallah, JAbdinov, OAben, RAbolins, MAbouZeid, OSAbramowicz, HAbreu, HAbreu, RAbulaiti, YAcharya, BSAdamczyk, LAdams, DLAdelman, JAdomeit, SAdye, TAffolder, AAAgatonovic-Jovin, TAgricola, JAguilar-Saavedra, JAAhlen, SPAhmadov, FAielli, GAkerstedt, HÅkesson, TPAAkimov, AVAlberghi, GLAlbert, JAlbrand, SAlconada Verzini, MJAleksa, MAleksandrov, INAlexa, CAlexander, GAlexopoulos, TAlhroob, MAlimonti, GAlio, LAlison, JAlkire, SPAllbrooke, BMMAllport, PPAloisio, AAlonso, AAlonso, FAlpigiani, CAltheimer, AAlvarez Gonzalez, BÁlvarez Piqueras, DAlviggi, MGAmadio, BTAmako, KAmaral Coutinho, YAmelung, CAmidei, DAmor Dos Santos, SPAmorim, AAmoroso, SAmram, NAmundsen, GAnastopoulos, CAncu, LSAndari, NAndeen, TAnders, CFAnders, GAnders, JKAnderson, KJAndreazza, AAndrei, VAngelidakis, SAngelozzi, IAnger, PAngerami, AAnghinolfi, FAnisenkov, AVAnjos, NAnnovi, AAntonelli, MAntonov, AAntos, JAnulli, FAoki, MAperio Bella, LArabidze, GArai, YAraque, JPArce, ATHArduh, FAArguin, J-FArgyropoulos, SArik, MArmbruster, AJArnaez, OArnal, VArnold, HArratia, MArslan, O2016-02-01A search for direct pair production of the supersymmetric partner of the top quark, decaying via a scalar tau to a nearly massless gravitino, has been performed using 20 fb[Formula: see text] of proton-proton collision data at [Formula: see text]. The data were collected by the ATLAS experiment at the LHC in 2012. Top squark candidates are searched for in events with either two hadronically decaying tau leptons, one hadronically decaying tau and one light lepton, or two light leptons. No significant excess over the Standard Model expectation is found. Exclusion limits at [Formula: see text] confidence level are set as a function of the top squark and scalar tau masses. Depending on the scalar tau mass, ranging from the [Formula: see text] LEP limit to the top squark mass, lower limits between 490 and [Formula: see text] are placed on the top squark mass within the model considered.5106 Nuclear and Plasma Physics (for-2020)5107 Particle and High Energy Physics (for-2020)51 Physical Sciences (for-2020)Atlas Collaborationhep-exhep-ex0202 AtomicMolecularNuclearParticle and Plasma Physics (for)0206 Quantum Physics (for)Nuclear & Particles Physics (science-metrix)5101 Astronomical sciences (for-2020)5102 Atomicmolecular and optical physics (for-2020)5107 Particle and high energy physics (for-2020)application/pdfCC-BYeScholarship, University of Californiahttps://escholarship.org/uc/item/813781grhttps://escholarship.org/content/qt813781gr/qt813781gr.pdfinfo:doi/10.1140/epjc/s10052-016-3897-zarticleEuropean Physical Journal C, vol 76, iss 281oai:escholarship.org:ark:/13030/qt8wd2x3ds2026-04-04T11:29:18Zqt8wd2x3dsMeasurement of the charge asymmetry in top-quark pair production in the lepton-plus-jets final state in pp collision data at s=8TeV with the ATLAS detectorAtlas CollaborationAad, GAbbott, BAbdallah, JAbdinov, OAben, RAbolins, MAbouZeid, OSAbramowicz, HAbreu, HAbreu, RAbulaiti, YAcharya, BSAdamczyk, LAdams, DLAdelman, JAdomeit, SAdye, TAffolder, AAAgatonovic-Jovin, TAgricola, JAguilar-Saavedra, JAAhlen, SPAhmadov, FAielli, GAkerstedt, HÅkesson, TPAAkimov, AVAlberghi, GLAlbert, JAlbrand, SAlconada Verzini, MJAleksa, MAleksandrov, INAlexa, CAlexander, GAlexopoulos, TAlhroob, MAlimonti, GAlio, LAlison, JAlkire, SPAllbrooke, BMMAllport, PPAloisio, AAlonso, AAlonso, FAlpigiani, CAltheimer, AAlvarez Gonzalez, BÁlvarez Piqueras, DAlviggi, MGAmadio, BTAmako, KAmaral Coutinho, YAmelung, CAmidei, DAmor Dos Santos, SPAmorim, AAmoroso, SAmram, NAmundsen, GAnastopoulos, CAncu, LSAndari, NAndeen, TAnders, CFAnders, GAnders, JKAnderson, KJAndreazza, AAndrei, VAngelidakis, SAngelozzi, IAnger, PAngerami, AAnghinolfi, FAnisenkov, AVAnjos, NAnnovi, AAntonelli, MAntonov, AAntos, JAnulli, FAoki, MAperio Bella, LArabidze, GArai, YAraque, JPArce, ATHArduh, FAArguin, J-FArgyropoulos, SArik, MArmbruster, AJArnaez, OArnold, HArratia, MArslan, OArtamonov, A2016-02-01This paper reports inclusive and differential measurements of the tt¯$$t\bar{t}$$ charge asymmetry AC$$A_{\text {C}}$$ in 20.3fb-1$$20.3~{\mathrm{fb}^{-1}}$$ of s=8TeV$$\sqrt{s} = 8~\mathrm TeV{}$$pp$$pp$$ collisions recorded by the ATLAS experiment at the Large Hadron Collider at CERN. Three differential measurements are performed as a function of the invariant mass, transverse momentum and longitudinal boost of the tt¯$$t\bar{t}$$ system. The tt¯$$t\bar{t}$$ pairs are selected in the single-lepton channels (e or μ$$\mu $$) with at least four jets, and a likelihood fit is used to reconstruct the tt¯$$t\bar{t}$$ event kinematics. A Bayesian unfolding procedure is performed to infer the asymmetry at parton level from the observed data distribution. The inclusive tt¯$$t\bar{t}$$ charge asymmetry is measured to be AC=0.009±0.005$$A_{\text {C}}{} = 0.009 \pm 0.005$$ (stat. +$$+$$ syst.). The inclusive and differential measurements are compatible with the values predicted by the Standard Model.5106 Nuclear and Plasma Physics (for-2020)5107 Particle and High Energy Physics (for-2020)51 Physical Sciences (for-2020)Atlas CollaborationAtlas CollaborationAtlas Collaborationhep-exhep-ex0202 AtomicMolecularNuclearParticle and Plasma Physics (for)0206 Quantum Physics (for)Nuclear & Particles Physics (science-metrix)5101 Astronomical sciences (for-2020)5102 Atomicmolecular and optical physics (for-2020)5107 Particle and high energy physics (for-2020)application/pdfCC-BYeScholarship, University of Californiahttps://escholarship.org/uc/item/8wd2x3dshttps://escholarship.org/content/qt8wd2x3ds/qt8wd2x3ds.pdfinfo:doi/10.1140/epjc/s10052-016-3910-6articleEuropean Physical Journal C, vol 76, iss 287oai:escholarship.org:ark:/13030/qt6dk8d2st2026-04-04T11:29:07Zqt6dk8d2stSearch for the electroweak production of supersymmetric particles in s=8 TeV pp collisions with the ATLAS detectorAad, GAbbott, BAbdallah, JAbdinov, OAben, RAbolins, MAbouZeid, OSAbramowicz, HAbreu, HAbreu, RAbulaiti, YAcharya, BSAdamczyk, LAdams, DLAdelman, JAdomeit, SAdye, TAffolder, AAAgatonovic-Jovin, TAgricola, JAguilar-Saavedra, JAAhlen, SPAhmadov, FAielli, GAkerstedt, HÅkesson, TPAAkimov, AVAlberghi, GLAlbert, JAlbrand, SVerzini, MJ AlconadaAleksa, MAleksandrov, INAlexa, CAlexander, GAlexopoulos, TAlhroob, MAlimonti, GAlio, LAlison, JAlkire, SPAllbrooke, BMMAllport, PPAloisio, AAlonso, AAlonso, FAlpigiani, CAltheimer, AGonzalez, B AlvarezPiqueras, D ÁlvarezAlviggi, MGAmadio, BTAmako, KCoutinho, Y AmaralAmelung, CAmidei, DDos Santos, SP AmorAmorim, AAmoroso, SAmram, NAmundsen, GAnastopoulos, CAncu, LSAndari, NAndeen, TAnders, CFAnders, GAnders, JKAnderson, KJAndreazza, AAndrei, VAngelidakis, SAngelozzi, IAnger, PAngerami, AAnghinolfi, FAnisenkov, AVAnjos, NAnnovi, AAntonelli, MAntonov, AAntos, JAntrim, DJAnulli, FAoki, MBella, L AperioArabidze, GArai, YAraque, JPArce, ATHArduh, FAArguin, J-FArgyropoulos, SArik, MArmbruster, AJArnaez, OArnold, HArratia, MArslan, OArtamonov, A2016-03-01The ATLAS experiment has performed extensive searches for the electroweak production of charginos, neutralinos, and staus. This article summarizes and extends the search for electroweak supersymmetry with new analyses targeting scenarios not covered by previously published searches. New searches use vector-boson fusion production, initial-state radiation jets, and low-momentum lepton final states, as well as multivariate analysis techniques to improve the sensitivity to scenarios with small mass splittings and low-production cross sections. Results are based on 20 fb−1 of proton-proton collision data at s=8 TeV recorded with the ATLAS experiment at the Large Hadron Collider. No significant excess beyond Standard Model expectations is observed. The new and existing searches are combined and interpreted in terms of 95% confidence-level exclusion limits in simplified models, where a single production process and decay mode is assumed, as well as within phenomenological supersymmetric models.5106 Nuclear and Plasma Physics (for-2020)5107 Particle and High Energy Physics (for-2020)51 Physical Sciences (for-2020)hep-exhep-exapplication/pdfCC-BYeScholarship, University of Californiahttps://escholarship.org/uc/item/6dk8d2sthttps://escholarship.org/content/qt6dk8d2st/qt6dk8d2st.pdfinfo:doi/10.1103/physrevd.93.052002articlePhysical Review D, vol 93, iss 5052002oai:escholarship.org:ark:/13030/qt98w1w27r2026-04-04T11:28:58Zqt98w1w27rMeasurement of the ZZ Production Cross Section in pp Collisions at s=13 TeV with the ATLAS DetectorAad, GAbbott, BAbdallah, JAbdinov, OAbeloos, BAben, RAbolins, MAbouZeid, OSAbramowicz, HAbreu, HAbreu, RAbulaiti, YAcharya, BSAdamczyk, LAdams, DLAdelman, JAdomeit, SAdye, TAffolder, AAAgatonovic-Jovin, TAgricola, JAguilar-Saavedra, JAAhlen, SPAhmadov, FAielli, GAkerstedt, HÅkesson, TPAAkimov, AVAlberghi, GLAlbert, JAlbrand, SVerzini, MJ AlconadaAleksa, MAleksandrov, INAlexa, CAlexander, GAlexopoulos, TAlhroob, MAlimonti, GAlio, LAlison, JAlkire, SPAllbrooke, BMMAllen, BWAllport, PPAloisio, AAlonso, AAlonso, FAlpigiani, CGonzalez, B AlvarezPiqueras, D ÁlvarezAlviggi, MGAmadio, BTAmako, KCoutinho, Y AmaralAmelung, CAmidei, DDos Santos, SP AmorAmorim, AAmoroso, SAmram, NAmundsen, GAnastopoulos, CAncu, LSAndari, NAndeen, TAnders, CFAnders, GAnders, JKAnderson, KJAndreazza, AAndrei, VAngelidakis, SAngelozzi, IAnger, PAngerami, AAnghinolfi, FAnisenkov, AVAnjos, NAnnovi, AAntonelli, MAntonov, AAntos, JAnulli, FAoki, MBella, L AperioArabidze, GArai, YAraque, JPArce, ATHArduh, FAArguin, J-FArgyropoulos, SArik, MArmbruster, AJArmitage, LJArnaez, OArnold, HArratia, MArslan, O2016-03-11The ZZ production cross section in proton-proton collisions at 13 TeV center-of-mass energy is measured using 3.2 fb^{-1} of data recorded with the ATLAS detector at the Large Hadron Collider. The considered Z boson candidates decay to an electron or muon pair of mass 66-116 GeV. The cross section is measured in a fiducial phase space reflecting the detector acceptance. It is also extrapolated to a total phase space for Z bosons in the same mass range and of all decay modes, giving 16.7_{-2.0}^{+2.2}(stat)+0.9/-0.7(syst)+1.0/-0.7(lumi) pb. The results agree with standard model predictions.5106 Nuclear and Plasma Physics (for-2020)5107 Particle and High Energy Physics (for-2020)51 Physical Sciences (for-2020)ATLAS CollaborationATLAS CollaborationATLAS Collaborationhep-exhep-ex01 Mathematical Sciences (for)02 Physical Sciences (for)09 Engineering (for)General Physics (science-metrix)40 Engineering (for-2020)49 Mathematical sciences (for-2020)51 Physical sciences (for-2020)application/pdfCC-BYeScholarship, University of Californiahttps://escholarship.org/uc/item/98w1w27rhttps://escholarship.org/content/qt98w1w27r/qt98w1w27r.pdfinfo:doi/10.1103/physrevlett.116.101801articlePhysical Review Letters, vol 116, iss 10101801oai:escholarship.org:ark:/13030/qt616635rn2026-04-04T11:27:52Zqt616635rnSearch for an additional, heavy Higgs boson in the H→ZZ decay channel at s=8TeV in pp collision data with the ATLAS detectorAtlas CollaborationAad, GAbbott, BAbdallah, JAbdinov, OAben, RAbolins, MAbouZeid, OSAbramowicz, HAbreu, HAbreu, RAbulaiti, YAcharya, BSAdamczyk, LAdams, DLAdelman, JAdomeit, SAdye, TAffolder, AAAgatonovic-Jovin, TAgricola, JAguilar-Saavedra, JAAhlen, SPAhmadov, FAielli, GAkerstedt, HÅkesson, TPAAkimov, AVAlberghi, GLAlbert, JAlbrand, SAlconada Verzini, MJAleksa, MAleksandrov, INAlexa, CAlexander, GAlexopoulos, TAlhroob, MAlimonti, GAlio, LAlison, JAlkire, SPAllbrooke, BMMAllport, PPAloisio, AAlonso, AAlonso, FAlpigiani, CAltheimer, AAlvarez Gonzalez, BÁlvarez Piqueras, DAlviggi, MGAmadio, BTAmako, KAmaral Coutinho, YAmelung, CAmidei, DAmor Dos Santos, SPAmorim, AAmoroso, SAmram, NAmundsen, GAnastopoulos, CAncu, LSAndari, NAndeen, TAnders, CFAnders, GAnders, JKAnderson, KJAndreazza, AAndrei, VAngelidakis, SAngelozzi, IAnger, PAngerami, AAnghinolfi, FAnisenkov, AVAnjos, NAnnovi, AAntonelli, MAntonov, AAntos, JAnulli, FAoki, MAperio Bella, LArabidze, GArai, YAraque, JPArce, ATHArduh, FAArguin, J-FArgyropoulos, SArik, MArmbruster, AJArnaez, OArnal, VArnold, HArratia, MArslan, O2016-01-01A search is presented for a high-mass Higgs boson in the H→ZZ→ℓ+ℓ-ℓ+ℓ-$$H\rightarrow ZZ\rightarrow \ell ^+\ell ^-\ell ^+\ell ^-$$, H→ZZ→ℓ+ℓ-νν¯$$H\rightarrow ZZ\rightarrow \ell ^+\ell ^-
u \bar{
u }$$, H→ZZ→ℓ+ℓ-qq¯$$H\rightarrow ZZ\rightarrow \ell ^+\ell ^- q \bar{q}$$, and H→ZZ→νν¯qq¯$$H\rightarrow ZZ\rightarrow
u \bar{
u } q \bar{q}$$ decay modes using the ATLAS detector at the CERN Large Hadron Collider. The search uses proton–proton collision data at a centre-of-mass energy of 8 TeV corresponding to an integrated luminosity of 20.3 fb-1$$^{-1}$$. The results of the search are interpreted in the scenario of a heavy Higgs boson with a width that is small compared with the experimental mass resolution. The Higgs boson mass range considered extends up to 1TeV$$1~\mathrm{TeV}$$ for all four decay modes and down to as low as 140 GeV$$\mathrm{GeV}$$, depending on the decay mode. No significant excess of events over the Standard Model prediction is found. A simultaneous fit to the four decay modes yields upper limits on the production cross-section of a heavy Higgs boson times the branching ratio to Z$$Z$$ boson pairs. 95 % confidence level upper limits range from 0.53 pb at mH=195$$m_{H} =195$$ GeV to 0.008 pb at mH=950$$m_{H} =950$$ GeV for the gluon-fusion production mode and from 0.31 pb at mH=195$$m_{H} =195$$ GeV to 0.009 pb at mH=950$$m_{H} =950$$ GeV for the vector-boson-fusion production mode. The results are also interpreted in the context of Type-I and Type-II two-Higgs-doublet models.5106 Nuclear and Plasma Physics (for-2020)5107 Particle and High Energy Physics (for-2020)51 Physical Sciences (for-2020)Atlas CollaborationAtlas CollaborationAtlas Collaborationhep-exhep-ex0202 AtomicMolecularNuclearParticle and Plasma Physics (for)0206 Quantum Physics (for)Nuclear & Particles Physics (science-metrix)5101 Astronomical sciences (for-2020)5102 Atomicmolecular and optical physics (for-2020)5107 Particle and high energy physics (for-2020)application/pdfCC-BYeScholarship, University of Californiahttps://escholarship.org/uc/item/616635rnhttps://escholarship.org/content/qt616635rn/qt616635rn.pdfinfo:doi/10.1140/epjc/s10052-015-3820-zarticleEuropean Physical Journal C, vol 76, iss 145oai:escholarship.org:ark:/13030/qt2rv8c98x2026-04-04T11:27:41Zqt2rv8c98xMeasurement of the correlation between the polar angles of leptons from top quark decays in the helicity basis at s=7 TeV using the ATLAS detectorAad, GAbbott, BAbdallah, JAbdinov, OAben, RAbolins, MAbouZeid, OSAbramowicz, HAbreu, HAbreu, RAbulaiti, YAcharya, BSAdamczyk, LAdams, DLAdelman, JAdomeit, SAdye, TAffolder, AAAgatonovic-Jovin, TAgricola, JAguilar-Saavedra, JAAhlen, SPAhmadov, FAielli, GAkerstedt, HÅkesson, TPAAkimov, AVAlberghi, GLAlbert, JAlbrand, SVerzini, MJ AlconadaAleksa, MAleksandrov, INAlexa, CAlexander, GAlexopoulos, TAlhroob, MAlimonti, GAlio, LAlison, JAlkire, SPAllbrooke, BMMAllport, PPAloisio, AAlonso, AAlonso, FAlpigiani, CAltheimer, AGonzalez, B AlvarezPiqueras, D ÁlvarezAlviggi, MGAmadio, BTAmako, KCoutinho, Y AmaralAmelung, CAmidei, DDos Santos, SP AmorAmorim, AAmoroso, SAmram, NAmundsen, GAnastopoulos, CAncu, LSAndari, NAndeen, TAnders, CFAnders, GAnders, JKAnderson, KJAndreazza, AAndrei, VAngelidakis, SAngelozzi, IAnger, PAngerami, AAnghinolfi, FAnisenkov, AVAnjos, NAnnovi, AAntonelli, MAntonov, AAntos, JAnulli, FAoki, MBella, L AperioArabidze, GArai, YAraque, JPArce, ATHArduh, FAArguin, J-FArgyropoulos, SArik, MArmbruster, AJArnaez, OArnold, HArratia, MArslan, OArtamonov, AArtoni, G2016-01-01A measurement of the correlations between the polar angles of leptons from the decay of pair-produced t and t¯ quarks in the helicity basis is reported, using proton-proton collision data collected by the ATLAS detector at the LHC. The dataset corresponds to an integrated luminosity of 4.6 fb-1 at a center-of-mass energy of s=7 TeV collected during 2011. Candidate events are selected in the dilepton topology with large missing transverse momentum and at least two jets. The angles θ1 and θ2 between the charged leptons and the direction of motion of the parent quarks in the tt¯ rest frame are sensitive to the spin information, and the distribution of cosθ1·cosθ2 is sensitive to the spin correlation between the t and t¯ quarks. The distribution is unfolded to parton level and compared to the next-to-leading order prediction. A good agreement is observed.5106 Nuclear and Plasma Physics (for-2020)5107 Particle and High Energy Physics (for-2020)51 Physical Sciences (for-2020)hep-exhep-exapplication/pdfCC-BYeScholarship, University of Californiahttps://escholarship.org/uc/item/2rv8c98xhttps://escholarship.org/content/qt2rv8c98x/qt2rv8c98x.pdfinfo:doi/10.1103/physrevd.93.012002articlePhysical Review D, vol 93, iss 1012002oai:escholarship.org:ark:/13030/qt61x6w9zd2026-04-04T11:27:31Zqt61x6w9zdSearch for flavour-changing neutral current top-quark decays to qZ in pp collision data collected with the ATLAS detector at s=8 TeVAad, GAbbott, BAbdallah, JAbdinov, OAben, RAbolins, MAbouZeid, OSAbramowicz, HAbreu, HAbreu, RAbulaiti, YAcharya, BSAdamczyk, LAdams, DLAdelman, JAdomeit, SAdye, TAffolder, AAAgatonovic-Jovin, TAgricola, JAguilar-Saavedra, JAAhlen, SPAhmadov, FAielli, GAkerstedt, HÅkesson, TPAAkimov, AVAlberghi, GLAlbert, JAlbrand, SAlconada Verzini, MJAleksa, MAleksandrov, INAlexa, CAlexander, GAlexopoulos, TAlhroob, MAlimonti, GAlio, LAlison, JAlkire, SPAllbrooke, BMMAllport, PPAloisio, AAlonso, AAlonso, FAlpigiani, CAltheimer, AAlvarez Gonzalez, BÁlvarez Piqueras, DAlviggi, MGAmadio, BTAmako, KAmaral Coutinho, YAmelung, CAmidei, DAmor Dos Santos, SPAmorim, AAmoroso, SAmram, NAmundsen, GAnastopoulos, CAncu, LSAndari, NAndeen, TAnders, CFAnders, GAnders, JKAnderson, KJAndreazza, AAndrei, VAngelidakis, SAngelozzi, IAnger, PAngerami, AAnghinolfi, FAnisenkov, AVAnjos, NAnnovi, AAntonelli, MAntonov, AAntos, JAnulli, FAoki, MAperio Bella, LArabidze, GArai, YAraque, JPArce, ATHArduh, FAArguin, J-FArgyropoulos, SArik, MArmbruster, AJArnaez, OArnal, VArnold, HArratia, MArslan, OArtamonov, A2016-01-01A search for the flavour-changing neutral-current decay t→qZ$$t\rightarrow qZ$$ is presented. Data collected by the ATLAS detector during 2012 from proton–proton collisions at the Large Hadron Collider at a centre-of-mass energy of s=8$$\sqrt{s}=8$$ TeV, corresponding to an integrated luminosity of 20.3 fb-1$$^{-1}$$, are analysed. Top-quark pair-production events with one top quark decaying through the t→qZ$$t\rightarrow qZ$$ (q=u,c$$q=u,c$$) channel and the other through the dominant Standard Model mode t→bW$$t\rightarrow bW$$ are considered as signal. Only the decays of the Z boson to charged leptons and leptonic W boson decays are used. No evidence for a signal is found and an observed (expected) upper limit on the t→qZ$$t\rightarrow qZ$$ branching ratio of 7×10-4$$7\times 10^{-4}$$ (8×10-4$$8\times 10^{-4}$$) is set at the 95 % confidence level5106 Nuclear and Plasma Physics (for-2020)5107 Particle and High Energy Physics (for-2020)51 Physical Sciences (for-2020)ATLAS Collaborationhep-exhep-ex0202 AtomicMolecularNuclearParticle and Plasma Physics (for)0206 Quantum Physics (for)Nuclear & Particles Physics (science-metrix)5101 Astronomical sciences (for-2020)5102 Atomicmolecular and optical physics (for-2020)5107 Particle and high energy physics (for-2020)application/pdfCC-BYeScholarship, University of Californiahttps://escholarship.org/uc/item/61x6w9zdhttps://escholarship.org/content/qt61x6w9zd/qt61x6w9zd.pdfinfo:doi/10.1140/epjc/s10052-015-3851-5articleEuropean Physical Journal C, vol 76, iss 112oai:escholarship.org:ark:/13030/qt4pm960c72026-04-04T11:27:21Zqt4pm960c7Measurements of fiducial cross-sections for tt¯ production with one or two additional b-jets in pp collisions at s=8 TeV using the ATLAS detectorAad, GAbbott, BAbdallah, JAbdinov, OAben, RAbolins, MAbouZeid, OSAbramowicz, HAbreu, HAbreu, RAbulaiti, YAcharya, BSAdamczyk, LAdams, DLAdelman, JAdomeit, SAdye, TAffolder, AAAgatonovic-Jovin, TAgricola, JAguilar-Saavedra, JAAhlen, SPAhmadov, FAielli, GAkerstedt, HÅkesson, TPAAkimov, AVAlberghi, GLAlbert, JAlbrand, SAlconada Verzini, MJAleksa, MAleksandrov, INAlexa, CAlexander, GAlexopoulos, TAlhroob, MAlimonti, GAlio, LAlison, JAlkire, SPAllbrooke, BMMAllport, PPAloisio, AAlonso, AAlonso, FAlpigiani, CAltheimer, AAlvarez Gonzalez, BÁlvarez Piqueras, DAlviggi, MGAmadio, BTAmako, KAmaral Coutinho, YAmelung, CAmidei, DAmor Dos Santos, SPAmorim, AAmoroso, SAmram, NAmundsen, GAnastopoulos, CAncu, LSAndari, NAndeen, TAnders, CFAnders, GAnders, JKAnderson, KJAndreazza, AAndrei, VAngelidakis, SAngelozzi, IAnger, PAngerami, AAnghinolfi, FAnisenkov, AVAnjos, NAnnovi, AAntonelli, MAntonov, AAntos, JAnulli, FAoki, MAperio Bella, LArabidze, GArai, YAraque, JPArce, ATHArduh, FAArguin, J-FArgyropoulos, SArik, MArmbruster, AJArnaez, OArnold, HArratia, MArslan, OArtamonov, AArtoni, G2016-01-01Fiducial cross-sections for [Formula: see text] production with one or two additional b-jets are reported, using an integrated luminosity of 20.3 fb[Formula: see text] of proton-proton collisions at a centre-of-mass energy of 8 TeV at the Large Hadron Collider, collected with the ATLAS detector. The cross-section times branching ratio for [Formula: see text] events with at least one additional b-jet is measured to be 950 [Formula: see text] 70 (stat.) [Formula: see text] (syst.) fb in the lepton-plus-jets channel and 50 [Formula: see text] 10 (stat.) [Formula: see text] (syst.) fb in the [Formula: see text] channel. The cross-section times branching ratio for events with at least two additional b-jets is measured to be 19.3 [Formula: see text] 3.5 (stat.) [Formula: see text] 5.7 (syst.) fb in the dilepton channel ([Formula: see text], [Formula: see text], and ee) using a method based on tight selection criteria, and 13.5 [Formula: see text] 3.3 (stat.) [Formula: see text] 3.6 (syst.) fb using a looser selection that allows the background normalisation to be extracted from data. The latter method also measures a value of 1.30 [Formula: see text] 0.33 (stat.) [Formula: see text] 0.28 (syst.)% for the ratio of [Formula: see text] production with two additional b-jets to [Formula: see text] production with any two additional jets. All measurements are in good agreement with recent theory predictions.5106 Nuclear and Plasma Physics (for-2020)5107 Particle and High Energy Physics (for-2020)51 Physical Sciences (for-2020)ATLAS Publicationshep-exhep-ex0202 AtomicMolecularNuclearParticle and Plasma Physics (for)0206 Quantum Physics (for)Nuclear & Particles Physics (science-metrix)5101 Astronomical sciences (for-2020)5102 Atomicmolecular and optical physics (for-2020)5107 Particle and high energy physics (for-2020)application/pdfCC-BYeScholarship, University of Californiahttps://escholarship.org/uc/item/4pm960c7https://escholarship.org/content/qt4pm960c7/qt4pm960c7.pdfinfo:doi/10.1140/epjc/s10052-015-3852-4articleEuropean Physical Journal C, vol 76, iss 111oai:escholarship.org:ark:/13030/qt4vb507852026-04-04T11:27:10Zqt4vb50785Measurements of the Higgs boson production and decay rates and coupling strengths using pp collision data at s=7 and 8 TeV in the ATLAS experimentAad, GAbbott, BAbdallah, JAbdinov, OAben, RAbolins, MAbouZeid, OSAbramowicz, HAbreu, HAbreu, RAbulaiti, YAcharya, BSAdamczyk, LAdams, DLAdelman, JAdomeit, SAdye, TAffolder, AAAgatonovic-Jovin, TAguilar-Saavedra, JAAhlen, SPAhmadov, FAielli, GAkerstedt, HÅkesson, TPAAkimoto, GAkimov, AVAlberghi, GLAlbert, JAlbrand, SAlconada Verzini, MJAleksa, MAleksandrov, INAlexa, CAlexander, GAlexopoulos, TAlhroob, MAlimonti, GAlio, LAlison, JAlkire, SPAllbrooke, BMMAllport, PPAloisio, AAlonso, AAlonso, FAlpigiani, CAltheimer, AAlvarez Gonzalez, BÁlvarez Piqueras, DAlviggi, MGAmadio, BTAmako, KAmaral Coutinho, YAmelung, CAmidei, DAmor Dos Santos, SPAmorim, AAmoroso, SAmram, NAmundsen, GAnastopoulos, CAncu, LSAndari, NAndeen, TAnders, CFAnders, GAnders, JKAnderson, KJAndreazza, AAndrei, VAngelidakis, SAngelozzi, IAnger, PAngerami, AAnghinolfi, FAnisenkov, AVAnjos, NAnnovi, AAntonelli, MAntonov, AAntos, JAnulli, FAoki, MAperio Bella, LArabidze, GArai, YAraque, JPArce, ATHArduh, FAArguin, J-FArgyropoulos, SArik, MArmbruster, AJArnaez, OArnal, VArnold, HArratia, MArslan, OArtamonov, A2016-01-01Combined analyses of the Higgs boson production and decay rates as well as its coupling strengths to vector bosons and fermions are presented. The combinations include the results of the analyses of the H→γγ,ZZ∗,WW∗,Zγ,bb¯,ττ$$H\rightarrow \gamma \gamma ,\, ZZ^*,\, WW^*,\, Z\gamma ,\, b\bar{b},\, \tau \tau $$ and μμ$$\mu \mu $$ decay modes, and the constraints on the associated production with a pair of top quarks and on the off-shell coupling strengths of the Higgs boson. The results are based on the LHC proton-proton collision datasets, with integrated luminosities of up to 4.7 fb-1$$\mathrm {fb}^{-1}$$ at s=7$$\sqrt{s}=7$$ TeV and 20.3 fb-1$$\mathrm {fb}^{-1}$$ at s=8$$\sqrt{s}=8$$ TeV, recorded by the ATLAS detector in 2011 and 2012. Combining all production modes and decay channels, the measured signal yield, normalised to the Standard Model expectation, is 1.18-0.14+0.15$$1.18^{+0.15}_{-0.14}$$. The observed Higgs boson production and decay rates are interpreted in a leading-order coupling framework, exploring a wide range of benchmark coupling models both with and without assumptions on the Higgs boson width and on the Standard Model particle content in loop processes. The data are found to be compatible with the Standard Model expectations for a Higgs boson at a mass of 125.36 GeV for all models considered.5106 Nuclear and Plasma Physics (for-2020)5107 Particle and High Energy Physics (for-2020)51 Physical Sciences (for-2020)ATLAS Publicationshep-exhep-ex0202 AtomicMolecularNuclearParticle and Plasma Physics (for)0206 Quantum Physics (for)Nuclear & Particles Physics (science-metrix)5101 Astronomical sciences (for-2020)5102 Atomicmolecular and optical physics (for-2020)5107 Particle and high energy physics (for-2020)application/pdfCC-BYeScholarship, University of Californiahttps://escholarship.org/uc/item/4vb50785https://escholarship.org/content/qt4vb50785/qt4vb50785.pdfinfo:doi/10.1140/epjc/s10052-015-3769-yarticleEuropean Physical Journal C, vol 76, iss 16oai:escholarship.org:ark:/13030/qt194347002026-04-04T11:26:58Zqt19434700Searches for scalar leptoquarks in pp collisions at s = 8 TeV with the ATLAS detectorATLAS CollaborationAad, GAbbott, BAbdallah, JAbdinov, OAben, RAbolins, MAbouZeid, OSAbramowicz, HAbreu, HAbreu, RAbulaiti, YAcharya, BSAdamczyk, LAdams, DLAdelman, JAdomeit, SAdye, TAffolder, AAAgatonovic-Jovin, TAgricola, JAguilar-Saavedra, JAAhlen, SPAhmadov, FAielli, GAkerstedt, HÅkesson, TPAAkimov, AVAlberghi, GLAlbert, JAlbrand, SAlconada Verzini, MJAleksa, MAleksandrov, INAlexa, CAlexander, GAlexopoulos, TAlhroob, MAlimonti, GAlio, LAlison, JAlkire, SPAllbrooke, BMMAllport, PPAloisio, AAlonso, AAlonso, FAlpigiani, CAltheimer, AAlvarez Gonzalez, BÁlvarez Piqueras, DAlviggi, MGAmadio, BTAmako, KAmaral Coutinho, YAmelung, CAmidei, DAmor Dos Santos, SPAmorim, AAmoroso, SAmram, NAmundsen, GAnastopoulos, CAncu, LSAndari, NAndeen, TAnders, CFAnders, GAnders, JKAnderson, KJAndreazza, AAndrei, VAngelidakis, SAngelozzi, IAnger, PAngerami, AAnghinolfi, FAnisenkov, AVAnjos, NAnnovi, AAntonelli, MAntonov, AAntos, JAnulli, FAoki, MAperio Bella, LArabidze, GArai, YAraque, JPArce, ATHArduh, FAArguin, J-FArgyropoulos, SArik, MArmbruster, AJArnaez, OArnal, VArnold, HArratia, MArslan, O2016-01-01Searches for pair-produced scalar leptoquarks are performed using 20 fb-1$$^{-1}$$ of proton–proton collision data provided by the LHC and recorded by the ATLAS detector at s=8$$\sqrt{s}=8$$ TeV. Events with two electrons (muons) and two or more jets in the final state are used to search for first (second)-generation leptoquarks. The results from two previously published ATLAS analyses are interpreted in terms of third-generation leptoquarks decaying to bντb¯ντ¯$$b
u _{\tau }\bar{b}\bar{
u _{\tau }}$$ and tντt¯ντ¯$$t
u _{\tau }\bar{t}\bar{
u _{\tau }}$$ final states. No statistically significant excess above the Standard Model expectation is observed in any channel and scalar leptoquarks are excluded at 95 % CL with masses up to mLQ1<$$m_{\mathrm {LQ1}}<$$ 1050 GeV for first-generation leptoquarks, mLQ2<$$m_{\mathrm {LQ2}}<$$ 1000 GeV for second-generation leptoquarks, mLQ3<$$m_{\mathrm {LQ3}}<$$ 625 GeV for third-generation leptoquarks in the bντb¯ντ¯$$b
u _{\tau }\bar{b}\bar{
u _{\tau }}$$ channel, and 200 5106 Nuclear and Plasma Physics (for-2020)5107 Particle and High Energy Physics (for-2020)51 Physical Sciences (for-2020)ATLAS Collaborationhep-exhep-ex0202 AtomicMolecularNuclearParticle and Plasma Physics (for)0206 Quantum Physics (for)Nuclear & Particles Physics (science-metrix)5101 Astronomical sciences (for-2020)5102 Atomicmolecular and optical physics (for-2020)5107 Particle and high energy physics (for-2020)application/pdfCC-BYeScholarship, University of Californiahttps://escholarship.org/uc/item/19434700https://escholarship.org/content/qt19434700/qt19434700.pdfinfo:doi/10.1140/epjc/s10052-015-3823-9articleEuropean Physical Journal C, vol 76, iss 15oai:escholarship.org:ark:/13030/qt0sb4k2x52026-04-04T11:26:47Zqt0sb4k2x5Determination of the Ratio of b-Quark Fragmentation Fractions fs/fd in pp Collisions at s=7 TeV with the ATLAS DetectorAad, GAbbott, BAbdallah, JAbdinov, OAben, RAbolins, MAbouZeid, OSAbramowicz, HAbreu, HAbreu, RAbulaiti, YAcharya, BSAdamczyk, LAdams, DLAdelman, JAdomeit, SAdye, TAffolder, AAAgatonovic-Jovin, TAgricola, JAguilar-Saavedra, JAAhlen, SPAhmadov, FAielli, GAkerstedt, HÅkesson, TPAAkimov, AVAlberghi, GLAlbert, JAlbrand, SVerzini, MJ AlconadaAleksa, MAleksandrov, INAlexa, CAlexander, GAlexopoulos, TAlhroob, MAlimonti, GAlio, LAlison, JAlkire, SPAllbrooke, BMMAllport, PPAloisio, AAlonso, AAlonso, FAlpigiani, CAltheimer, AGonzalez, B AlvarezPiqueras, D ÁlvarezAlviggi, MGAmadio, BTAmako, KCoutinho, Y AmaralAmelung, CAmidei, DDos Santos, SP AmorAmorim, AAmoroso, SAmram, NAmundsen, GAnastopoulos, CAncu, LSAndari, NAndeen, TAnders, CFAnders, GAnders, JKAnderson, KJAndreazza, AAndrei, VAngelidakis, SAngelozzi, IAnger, PAngerami, AAnghinolfi, FAnisenkov, AVAnjos, NAnnovi, AAntonelli, MAntonov, AAntos, JAnulli, FAoki, MBella, L AperioArabidze, GArai, YAraque, JPArce, ATHArduh, FAArguin, J-FArgyropoulos, SArik, MArmbruster, AJArnaez, OArnal, VArnold, HArratia, MArslan, OArtamonov, A2015-12-31With an integrated luminosity of 2.47 fb(-1) recorded by the ATLAS experiment at the LHC, the exclusive decays B(s)(0)→J/ψϕ and B(d)(0)→J/ψK(*0) of B mesons produced in pp collisions at √s=7 TeV are used to determine the ratio of fragmentation fractions f(s)/f(d). From the observed B(s)(0)→J/ψϕ and B(d)(0)→J/ψK(*0) yields, the quantity (f(s)/f(d))[B(B(s)(0)→J/ψϕ)/B(B(d)(0)→J/ψK(*0))] is measured to be 0.199±0.004(stat)±0.008(syst). Using a recent theory prediction for [B(B(s)(0)→J/ψϕ)/B(B(d)(0)→J/ψK(*0))] yields (f(s)/f(d))=0.240±0.004(stat)±0.010(syst)±0.017(th). This result is based on a new approach that provides a significant improvement of the world average.5106 Nuclear and Plasma Physics (for-2020)5107 Particle and High Energy Physics (for-2020)51 Physical Sciences (for-2020)ATLAS CollaborationATLAS CollaborationATLAS Collaborationhep-exhep-ex01 Mathematical Sciences (for)02 Physical Sciences (for)09 Engineering (for)General Physics (science-metrix)40 Engineering (for-2020)49 Mathematical sciences (for-2020)51 Physical sciences (for-2020)application/pdfCC-BYeScholarship, University of Californiahttps://escholarship.org/uc/item/0sb4k2x5https://escholarship.org/content/qt0sb4k2x5/qt0sb4k2x5.pdfinfo:doi/10.1103/physrevlett.115.262001articlePhysical Review Letters, vol 115, iss 26262001oai:escholarship.org:ark:/13030/qt1wk8x8sv2026-04-04T11:26:37Zqt1wk8x8svSearch for W′→tb→qqbb decays in pp collisions at s = 8 TeV with the ATLAS detectorATLAS CollaborationAad, GAbbott, BAbdallah, JAbdel Khalek, SAbdinov, OAben, RAbi, BAbolins, MAbouZeid, OSAbramowicz, HAbreu, HAbreu, RAbulaiti, YAcharya, BSAdamczyk, LAdams, DLAdelman, JAdomeit, SAdye, TAgatonovic-Jovin, TAguilar-Saavedra, JAAgustoni, MAhlen, SPAhmadov, FAielli, GAkerstedt, HÅkesson, TPAAkimoto, GAkimov, AVAlberghi, GLAlbert, JAlbrand, SAlconada Verzini, MJAleksa, MAleksandrov, INAlexa, CAlexander, GAlexandre, GAlexopoulos, TAlhroob, MAlimonti, GAlio, LAlison, JAllbrooke, BMMAllison, LJAllport, PPAlmond, JAloisio, AAlonso, AAlonso, FAlpigiani, CAltheimer, AAlvarez Gonzalez, BAlviggi, MGAmako, KAmaral Coutinho, YAmelung, CAmidei, DAmor Dos Santos, SPAmorim, AAmoroso, SAmram, NAmundsen, GAnastopoulos, CAncu, LSAndari, NAndeen, TAnders, CFAnders, GAnderson, KJAndreazza, AAndrei, VAnduaga, XSAngelidakis, SAngelozzi, IAnger, PAngerami, AAnghinolfi, FAnisenkov, AVAnjos, NAnnovi, AAntonaki, AAntonelli, MAntonov, AAntos, JAnulli, FAoki, MAperio Bella, LApolle, RArabidze, GAracena, IArai, YAraque, JPArce, ATHArguin, J-FArgyropoulos, SArik, MArmbruster, AJArnaez, O2015-04-01A search for a massive [Formula: see text] gauge boson decaying to a top quark and a bottom quark is performed with the ATLAS detector in [Formula: see text] collisions at the LHC. The dataset was taken at a centre-of-mass energy of [Formula: see text] and corresponds to [Formula: see text] of integrated luminosity. This analysis is done in the hadronic decay mode of the top quark, where novel jet substructure techniques are used to identify jets from high-momentum top quarks. This allows for a search for high-mass [Formula: see text] bosons in the range 1.5-3.0 [Formula: see text]. [Formula: see text]-tagging is used to identify jets originating from [Formula: see text]-quarks. The data are consistent with Standard Model background-only expectations, and upper limits at 95 % confidence level are set on the [Formula: see text] cross section times branching ratio ranging from [Formula: see text] to [Formula: see text] for left-handed [Formula: see text] bosons, and ranging from [Formula: see text] to [Formula: see text] for [Formula: see text] bosons with purely right-handed couplings. Upper limits at 95 % confidence level are set on the [Formula: see text]-boson coupling to [Formula: see text] as a function of the [Formula: see text] mass using an effective field theory approach, which is independent of details of particular models predicting a [Formula: see text] boson.5106 Nuclear and Plasma Physics (for-2020)5107 Particle and High Energy Physics (for-2020)51 Physical Sciences (for-2020)ATLAS Collaborationhep-exhep-ex0202 AtomicMolecularNuclearParticle and Plasma Physics (for)0206 Quantum Physics (for)Nuclear & Particles Physics (science-metrix)5101 Astronomical sciences (for-2020)5102 Atomicmolecular and optical physics (for-2020)5107 Particle and high energy physics (for-2020)application/pdfCC-BYeScholarship, University of Californiahttps://escholarship.org/uc/item/1wk8x8svhttps://escholarship.org/content/qt1wk8x8sv/qt1wk8x8sv.pdfinfo:doi/10.1140/epjc/s10052-015-3372-2articleEuropean Physical Journal C, vol 75, iss 4165oai:escholarship.org:ark:/13030/qt9mc018dm2026-04-04T11:26:26Zqt9mc018dmSearch for flavour-changing neutral current top quark decays t → Hq in pp collisions at s=8 TeV with the ATLAS detectorThe ATLAS collaborationAad, GAbbott, BAbdallah, JAbdinov, OAben, RAbolins, MAbouZeid, OSAbramowicz, HAbreu, HAbreu, RAbulaiti, YAcharya, BSAdamczyk, LAdams, DLAdelman, JAdomeit, SAdye, TAffolder, AAAgatonovic-Jovin, TAgricola, JAguilar-Saavedra, JAAhlen, SPAhmadov, FAielli, GAkerstedt, HÅkesson, TPAAkimov, AVAlberghi, GLAlbert, JAlbrand, SAlconada Verzini, MJAleksa, MAleksandrov, INAlexa, CAlexander, GAlexopoulos, TAlhroob, MAlimonti, GAlio, LAlison, JAlkire, SPAllbrooke, BMMAllport, PPAloisio, AAlonso, AAlonso, FAlpigiani, CAltheimer, AAlvarez Gonzalez, BÁlvarez Piqueras, DAlviggi, MGAmadio, BTAmako, KAmaral Coutinho, YAmelung, CAmidei, DAmor Dos Santos, SPAmorim, AAmoroso, SAmram, NAmundsen, GAnastopoulos, CAncu, LSAndari, NAndeen, TAnders, CFAnders, GAnders, JKAnderson, KJAndreazza, AAndrei, VAngelidakis, SAngelozzi, IAnger, PAngerami, AAnghinolfi, FAnisenkov, AVAnjos, NAnnovi, AAntonelli, MAntonov, AAntos, JAnulli, FAoki, MAperio Bella, LArabidze, GArai, YAraque, JPArce, ATHArduh, FAArguin, J-FArgyropoulos, SArik, MArmbruster, AJArnaez, OArnold, HArratia, MArslan, OArtamonov, A2015-12-01Abstract: A search for flavour-changing neutral current decays of a top quark to an uptype quark (q = u, c) and the Standard Model Higgs boson, where the Higgs boson decays to(Formula Presented.), is presented. The analysis searches for top quark pair events in which one top quark decays to Wb, with the W boson decaying leptonically, and the other top quark decays to Hq. The search is based on pp collisions at (Formula Presented.) TeV recorded in 2012 with the ATLAS detector at the CERN Large Hadron Collider and uses an integrated luminosity of 20.3 fb−1. Data are analysed in the lepton-plus-jets final state, characterised by an isolated electron or muon and at least four jets. The search exploits the high multiplicity of b-quark jets characteristic of signal events, and employs a likelihood discriminant that uses the kinematic differences between the signal and the background, which is dominated by (Formula Presented.) decays. No significant excess of events above the background expectation is found, and observed (expected) 95% CL upper limits of 0.56% (0.42%) and 0.61% (0.64%) are derived for the t → Hc and t → Hu branching ratios respectively. The combination of this search with other ATLAS searches in the H → γγ and H → WW*, ττ decay modes significantly improves the sensitivity, yielding observed (expected) 95% CL upper limits on the t → Hc and t → Hu branching ratios of 0.46% (0.25%) and 0.45% (0.29%) respectively. The corresponding combined observed (expected) upper limits on the |λtcH| and |λtuH| couplings are 0.13 (0.10) and 0.13 (0.10) respectively. These are the most restrictive direct bounds on tqH interactions measured so far.[Figure not available: see fulltext.]5106 Nuclear and Plasma Physics (for-2020)5107 Particle and High Energy Physics (for-2020)51 Physical Sciences (for-2020)Hadron-Hadron ScatteringTop PhysicsHiggs PhysicsFCNC Interactionshep-exhep-ex0105 Mathematical Physics (for)0202 AtomicMolecularNuclearParticle and Plasma Physics (for)0206 Quantum Physics (for)Nuclear & Particles Physics (science-metrix)4902 Mathematical physics (for-2020)5106 Nuclear and plasma physics (for-2020)5107 Particle and high energy physics (for-2020)application/pdfCC-BYeScholarship, University of Californiahttps://escholarship.org/uc/item/9mc018dmhttps://escholarship.org/content/qt9mc018dm/qt9mc018dm.pdfinfo:doi/10.1007/jhep12(2015)061articleJournal of High Energy Physics, vol 2015, iss 121 - 65oai:escholarship.org:ark:/13030/qt0h33671r2026-04-04T11:25:10Zqt0h33671rSearch for lepton-flavour-violating H → μτ decays of the Higgs boson with the ATLAS detectorThe ATLAS collaborationAad, GAbbott, BAbdallah, JAbdinov, OAben, RAbolins, MAbouZeid, OSAbramowicz, HAbreu, HAbreu, RAbulaiti, YAcharya, BSAdamczyk, LAdams, DLAdelman, JAdomeit, SAdye, TAffolder, AAAgatonovic-Jovin, TAgricola, JAguilar-Saavedra, JAAhlen, SPAhmadov, FAielli, GAkerstedt, HÅkesson, TPAAkimov, AVAlberghi, GLAlbert, JAlbrand, SAlconada Verzini, MJAleksa, MAleksandrov, INAlexa, CAlexander, GAlexopoulos, TAlhroob, MAlimonti, GAlio, LAlison, JAlkire, SPAllbrooke, BMMAllport, PPAloisio, AAlonso, AAlonso, FAlpigiani, CAltheimer, AAlvarez Gonzalez, BÁlvarez Piqueras, DAlviggi, MGAmadio, BTAmako, KAmaral Coutinho, YAmelung, CAmidei, DAmor Dos Santos, SPAmorim, AAmoroso, SAmram, NAmundsen, GAnastopoulos, CAncu, LSAndari, NAndeen, TAnders, CFAnders, GAnders, JKAnderson, KJAndreazza, AAndrei, VAngelidakis, SAngelozzi, IAnger, PAngerami, AAnghinolfi, FAnisenkov, AVAnjos, NAnnovi, AAntonelli, MAntonov, AAntos, JAnulli, FAoki, MAperio Bella, LArabidze, GArai, YAraque, JPArce, ATHArduh, FAArguin, J-FArgyropoulos, SArik, MArmbruster, AJArnaez, OArnal, VArnold, HArratia, MArslan, O2015-11-01A direct search for lepton-flavour-violating H → μτ decays of the recently discovered Higgs boson with the ATLAS detector at the LHC is presented. The analysis is performed in the H → μτhad channel, where τhad is a hadronically decaying τ -lepton. The search is based on the data sample of proton-proton collisions collected by the ATLAS experiment corresponding to an integrated luminosity of 20.3 fb−1 at a centre-of-mass energy of s=8$$ \sqrt{s}=8 $$ TeV. No statistically significant excess of data over the predicted background is observed. The observed (expected) 95% confidence-level upper limit on the branching fraction, Br(H → μτ ), is 1.85% (1.24%).5106 Nuclear and Plasma Physics (for-2020)5107 Particle and High Energy Physics (for-2020)51 Physical Sciences (for-2020)Hadron-Hadron ScatteringBeyond Standard ModelHiggs physicsLepton productionhep-exhep-ex0105 Mathematical Physics (for)0202 AtomicMolecularNuclearParticle and Plasma Physics (for)0206 Quantum Physics (for)Nuclear & Particles Physics (science-metrix)4902 Mathematical physics (for-2020)5106 Nuclear and plasma physics (for-2020)5107 Particle and high energy physics (for-2020)application/pdfCC-BYeScholarship, University of Californiahttps://escholarship.org/uc/item/0h33671rhttps://escholarship.org/content/qt0h33671r/qt0h33671r.pdfinfo:doi/10.1007/jhep11(2015)211articleJournal of High Energy Physics, vol 2015, iss 11211oai:escholarship.org:ark:/13030/qt9gj237vf2026-04-04T11:25:00Zqt9gj237vfSearch for photonic signatures of gauge-mediated supersymmetry in 8 TeV pp collisions with the ATLAS detectorAad, GAbbott, BAbdallah, JAbdinov, OAben, RAbolins, MAbouZeid, OSAbramowicz, HAbreu, HAbreu, RAbulaiti, YAcharya, BSAdamczyk, LAdams, DLAdelman, JAdomeit, SAdye, TAffolder, AAAgatonovic-Jovin, TAgricola, JAguilar-Saavedra, JAAhlen, SPAhmadov, FAielli, GAkerstedt, HÅkesson, TPAAkimov, AVAlberghi, GLAlbert, JAlbrand, SVerzini, MJ AlconadaAleksa, MAleksandrov, INAlexa, CAlexander, GAlexopoulos, TAlhroob, MAlimonti, GAlio, LAlison, JAlkire, SPAllbrooke, BMMAllport, PPAloisio, AAlonso, AAlonso, FAlpigiani, CAltheimer, AGonzalez, B AlvarezPiqueras, D ÁlvarezAlviggi, MGAmadio, BTAmako, KCoutinho, Y AmaralAmelung, CAmidei, DDos Santos, SP AmorAmorim, AAmoroso, SAmram, NAmundsen, GAnastopoulos, CAncu, LSAndari, NAndeen, TAnders, CFAnders, GAnders, JKAnderson, KJAndreazza, AAndrei, VAngelidakis, SAngelozzi, IAnger, PAngerami, AAnghinolfi, FAnisenkov, AVAnjos, NAnnovi, AAntonelli, MAntonov, AAntos, JAnulli, FAoki, MBella, L AperioArabidze, GArai, YAraque, JPArce, ATHArduh, FAArguin, J-FArgyropoulos, SArik, MArmbruster, AJArnaez, OArnal, VArnold, HArratia, MArslan, OArtamonov, A2015-10-01A search is presented for photonic signatures motivated by generalized models of gauge-mediated supersymmetry breaking. This search makes use of 20.3 fb-1 of proton-proton collision data at √s = 8 TeV recorded by the ATLAS detector at the LHC, and explores models dominated by both strong and electroweak production of supersymmetric partner states. Four experimental signatures incorporating an isolated photon and significant missing transverse momentum are explored. These signatures include events with an additional photon, lepton, b-quark jet, or jet activity not associated with any specific underlying quark flavor. No significant excess of events is observed above the Standard Model prediction and model-dependent 95% confidence-level exclusion limits are set.5106 Nuclear and Plasma Physics (for-2020)5107 Particle and High Energy Physics (for-2020)51 Physical Sciences (for-2020)hep-exhep-exapplication/pdfCC-BYeScholarship, University of Californiahttps://escholarship.org/uc/item/9gj237vfhttps://escholarship.org/content/qt9gj237vf/qt9gj237vf.pdfinfo:doi/10.1103/physrevd.92.072001articlePhysical Review D, vol 92, iss 7072001oai:escholarship.org:ark:/13030/qt04z4p1v42026-04-04T11:24:50Zqt04z4p1v4Measurement of colour flow with the jet pull angle in tt¯ events using the ATLAS detector at s=8 TeVCollaboration, ATLASAad, GAbbott, BAbdallah, JAbdinov, OAben, RAbolins, MAbouZeid, OSAbramowicz, HAbreu, HAbreu, RAbulaiti, YAcharya, BSAdamczyk, LAdams, DLAdelman, JAdomeit, SAdye, TAffolder, AAAgatonovic-Jovin, TAgricola, JAguilar-Saavedra, JAAhlen, SPAhmadov, FAielli, GAkerstedt, HÅkesson, TPAAkimov, AVAlberghi, GLAlbert, JAlbrand, SVerzini, MJ AlconadaAleksa, MAleksandrov, INAlexa, CAlexander, GAlexopoulos, TAlhroob, MAlimonti, GAlio, LAlison, JAlkire, SPAllbrooke, BMMAllport, PPAloisio, AAlonso, AAlonso, FAlpigiani, CAltheimer, AGonzalez, B AlvarezPiqueras, D ÁlvarezAlviggi, MGAmadio, BTAmako, KCoutinho, Y AmaralAmelung, CAmidei, DDos Santos, SP AmorAmorim, AAmoroso, SAmram, NAmundsen, GAnastopoulos, CAncu, LSAndari, NAndeen, TAnders, CFAnders, GAnders, JKAnderson, KJAndreazza, AAndrei, VAngelidakis, SAngelozzi, IAnger, PAngerami, AAnghinolfi, FAnisenkov, AVAnjos, NAnnovi, AAntonelli, MAntonov, AAntos, JAnulli, FAoki, MBella, L AperioArabidze, GArai, YAraque, JPArce, ATHArduh, FAArguin, J-FArgyropoulos, SArik, MArmbruster, AJArnaez, OArnal, VArnold, HArratia, MArslan, O2015-11-01The distribution and orientation of energy inside jets is predicted to be an experimental handle on colour connections between the hard-scatter quarks and gluons initiating the jets. This Letter presents a measurement of the distribution of one such variable, the jet pull angle. The pull angle is measured for jets produced in tt¯ events with one W boson decaying leptonically and the other decaying to jets using 20.3 fb−1 of data recorded with the ATLAS detector at a centre-of-mass energy of s=8 TeV at the LHC. The jet pull angle distribution is corrected for detector resolution and acceptance effects and is compared to various models.5106 Nuclear and Plasma Physics (for-2020)5107 Particle and High Energy Physics (for-2020)51 Physical Sciences (for-2020)hep-exhep-ex0105 Mathematical Physics (for)0201 Astronomical and Space Sciences (for)0202 AtomicMolecularNuclearParticle and Plasma Physics (for)Nuclear & Particles Physics (science-metrix)49 Mathematical sciences (for-2020)51 Physical sciences (for-2020)application/pdfCC-BYeScholarship, University of Californiahttps://escholarship.org/uc/item/04z4p1v4https://escholarship.org/content/qt04z4p1v4/qt04z4p1v4.pdfinfo:doi/10.1016/j.physletb.2015.09.051articlePhysics Letters B, vol 750475 - 493oai:escholarship.org:ark:/13030/qt38g9j20t2026-04-04T11:24:39Zqt38g9j20tMeasurement of transverse energy–energy correlations in multi-jet events in pp collisions at s=7 TeV using the ATLAS detector and determination of the strong coupling constant αs(mZ)Collaboration, ATLASAad, GAbbott, BAbdallah, JAbdinov, OAben, RAbolins, MAbouZeid, OSAbramowicz, HAbreu, HAbreu, RAbulaiti, YAcharya, BSAdamczyk, LAdams, DLAdelman, JAdomeit, SAdye, TAffolder, AAAgatonovic-Jovin, TAgricola, JAguilar-Saavedra, JAAhlen, SPAhmadov, FAielli, GAkerstedt, HÅkesson, TPAAkimov, AVAlberghi, GLAlbert, JAlbrand, SVerzini, MJ AlconadaAleksa, MAleksandrov, INAlexa, CAlexander, GAlexopoulos, TAlhroob, MAlimonti, GAlio, LAlison, JAlkire, SPAllbrooke, BMMAllport, PPAloisio, AAlonso, AAlonso, FAlpigiani, CAltheimer, AGonzalez, B AlvarezPiqueras, D ÁlvarezAlviggi, MGAmadio, BTAmako, KCoutinho, Y AmaralAmelung, CAmidei, DDos Santos, SP AmorAmorim, AAmoroso, SAmram, NAmundsen, GAnastopoulos, CAncu, LSAndari, NAndeen, TAnders, CFAnders, GAnders, JKAnderson, KJAndreazza, AAndrei, VAngelidakis, SAngelozzi, IAnger, PAngerami, AAnghinolfi, FAnisenkov, AVAnjos, NAnnovi, AAntonelli, MAntonov, AAntos, JAnulli, FAoki, MBella, L AperioArabidze, GArai, YAraque, JPArce, ATHArduh, FAArguin, J-FArgyropoulos, SArik, MArmbruster, AJArnaez, OArnal, VArnold, HArratia, MArslan, O2015-11-01High transverse momentum jets produced in pp collisions at a centre of mass energy of 7 TeV are used to measure the transverse energy–energy correlation function and its associated azimuthal asymmetry. The data were recorded with the ATLAS detector at the LHC in the year 2011 and correspond to an integrated luminosity of 158 pb−1. The selection criteria demand the average transverse momentum of the two leading jets in an event to be larger than 250 GeV. The data at detector level are well described by Monte Carlo event generators. They are unfolded to the particle level and compared with theoretical calculations at next-to-leading-order accuracy. The agreement between data and theory is good and provides a precision test of perturbative Quantum Chromodynamics at large momentum transfers. From this comparison, the strong coupling constant given at the Z boson mass is determined to be αs(mZ)=0.1173±0.0010 (exp.) −0.0026+0.0065 (theo.).5106 Nuclear and Plasma Physics (for-2020)5107 Particle and High Energy Physics (for-2020)4902 Mathematical Physics (for-2020)49 Mathematical Sciences (for-2020)51 Physical Sciences (for-2020)hep-exhep-ex0105 Mathematical Physics (for)0201 Astronomical and Space Sciences (for)0202 AtomicMolecularNuclearParticle and Plasma Physics (for)Nuclear & Particles Physics (science-metrix)49 Mathematical sciences (for-2020)51 Physical sciences (for-2020)application/pdfCC-BYeScholarship, University of Californiahttps://escholarship.org/uc/item/38g9j20thttps://escholarship.org/content/qt38g9j20t/qt38g9j20t.pdfinfo:doi/10.1016/j.physletb.2015.09.050articlePhysics Letters B, vol 750427 - 447oai:escholarship.org:ark:/13030/qt916522kq2026-04-04T11:24:29Zqt916522kqTwo-particle Bose–Einstein correlations in pp collisions at s= 0.9 and 7 TeV measured with the ATLAS detectorAad, GAbbott, BAbdallah, JAbdel Khalek, SAbdinov, OAben, RAbi, BAbolins, MAbouZeid, OSAbramowicz, HAbreu, HAbreu, RAbulaiti, YAcharya, BSAdamczyk, LAdams, DLAdelman, JAdomeit, SAdye, TAgatonovic-Jovin, TAguilar-Saavedra, JAAgustoni, MAhlen, SPAhmadov, FAielli, GAkerstedt, HÅkesson, TPAAkimoto, GAkimov, AVAlberghi, GLAlbert, JAlbrand, SAlconada Verzini, MJAleksa, MAleksandrov, INAlexa, CAlexander, GAlexandre, GAlexopoulos, TAlhroob, MAlimonti, GAlio, LAlison, JAllbrooke, BMMAllison, LJAllport, PPAlmond, JAloisio, AAlonso, AAlonso, FAlpigiani, CAltheimer, AAlvarez Gonzalez, BAlviggi, MGAmako, KAmaral Coutinho, YAmelung, CAmidei, DAmor Dos Santos, SPAmorim, AAmoroso, SAmram, NAmundsen, GAnastopoulos, CAncu, LSAndari, NAndeen, TAnders, CFAnders, GAnderson, KJAndreazza, AAndrei, VAnduaga, XSAngelidakis, SAngelozzi, IAnger, PAngerami, AAnghinolfi, FAnisenkov, AVAnjos, NAnnovi, AAntonaki, AAntonelli, MAntonov, AAntos, JAnulli, FAoki, MAperio Bella, LApolle, RArabidze, GAracena, IArai, YAraque, JPArce, ATHArguin, J-FArgyropoulos, SArik, MArmbruster, AJArnaez, OArnal, V2015-10-01The paper presents studies of Bose–Einstein Correlations (BEC) for pairs of like-sign charged particles measured in the kinematic range pT>$$p_\mathrm{T}>$$ 100 MeV and |η|<$$|\eta |<$$ 2.5 in proton collisions at centre-of-mass energies of 0.9 and 7 TeV with the ATLAS detector at the CERN Large Hadron Collider. The integrated luminosities are approximately 7 μ$$\upmu $$b-1$$^{-1}$$, 190 μ$$\upmu $$b-1$$^{-1}$$ and 12.4 nb-1$$^{-1}$$ for 0.9 TeV, 7 TeV minimum-bias and 7 TeV high-multiplicity data samples, respectively. The multiplicity dependence of the BEC parameters characterizing the correlation strength and the correlation source size are investigated for charged-particle multiplicities of up to 240. A saturation effect in the multiplicity dependence of the correlation source size parameter is observed using the high-multiplicity 7 TeV data sample. The dependence of the BEC parameters on the average transverse momentum of the particle pair is also investigated.5106 Nuclear and Plasma Physics (for-2020)5107 Particle and High Energy Physics (for-2020)51 Physical Sciences (for-2020)ATLAS CollaborationATLAS Collaborationhep-exhep-ex0202 AtomicMolecularNuclearParticle and Plasma Physics (for)0206 Quantum Physics (for)Nuclear & Particles Physics (science-metrix)5101 Astronomical sciences (for-2020)5102 Atomicmolecular and optical physics (for-2020)5107 Particle and high energy physics (for-2020)application/pdfCC-BYeScholarship, University of Californiahttps://escholarship.org/uc/item/916522kqhttps://escholarship.org/content/qt916522kq/qt916522kq.pdfinfo:doi/10.1140/epjc/s10052-015-3644-xarticleEuropean Physical Journal C, vol 75, iss 10466oai:escholarship.org:ark:/13030/qt9xh6z13x2026-04-04T11:24:10Zqt9xh6z13xSearch for Higgs bosons decaying to aa in the μμττ final state in pp collisions at s=8 TeV with the ATLAS experimentAad, GAbbott, BAbdallah, JAbdinov, OAben, RAbolins, MAbouZeid, OSAbramowicz, HAbreu, HAbreu, RAbulaiti, YAcharya, BSAdamczyk, LAdams, DLAdelman, JAdomeit, SAdye, TAffolder, AAAgatonovic-Jovin, TAguilar-Saavedra, JAAhlen, SPAhmadov, FAielli, GAkerstedt, HÅkesson, TPAAkimoto, GAkimov, AVAlberghi, GLAlbert, JAlbrand, SVerzini, MJ AlconadaAleksa, MAleksandrov, INAlexa, CAlexander, GAlexopoulos, TAlhroob, MAlimonti, GAlio, LAlison, JAlkire, SPAllbrooke, BMMAllport, PPAloisio, AAlonso, AAlonso, FAlpigiani, CAltheimer, AGonzalez, B AlvarezPiqueras, D ÁlvarezAlviggi, MGAmadio, BTAmako, KCoutinho, Y AmaralAmelung, CAmidei, DDos Santos, SP AmorAmorim, AAmoroso, SAmram, NAmundsen, GAnastopoulos, CAncu, LSAndari, NAndeen, TAnders, CFAnders, GAnders, JKAnderson, KJAndreazza, AAndrei, VAngelidakis, SAngelozzi, IAnger, PAngerami, AAnghinolfi, FAnisenkov, AVAnjos, NAnnovi, AAntonelli, MAntonov, AAntos, JAnulli, FAoki, MBella, L AperioArabidze, GArai, YAraque, JPArce, ATHArduh, FAArguin, J-FArgyropoulos, SArik, MArmbruster, AJArnaez, OArnal, VArnold, HArratia, MArslan, OArtamonov, A2015-09-01A search for the decay to a pair of new particles of either the 125 GeV Higgs boson (h) or a second charge parity (CP)-even Higgs boson (H) is presented. The data set corresponds to an integrated luminosity of 20.3 fb-1 of pp collisions at s=8 TeV recorded by the ATLAS experiment at the LHC in 2012. The search was done in the context of the next-to-minimal supersymmetric standard model, in which the new particles are the lightest neutral pseudoscalar Higgs bosons (a). One of the two a bosons is required to decay to two muons while the other is required to decay to two τ leptons. No significant excess is observed above the expected backgrounds in the dimuon invariant mass range from 3.7 to 50 GeV. Upper limits are placed on the production of h→aa relative to the standard model gg→h production, assuming no coupling of the a boson to quarks. The most stringent limit is placed at 3.5% for ma=3.75 GeV. Upper limits are also placed on the production cross section of H→aa from 2.33 to 0.72 pb, for fixed ma=5 GeV with mH ranging from 100 to 500 GeV.5106 Nuclear and Plasma Physics (for-2020)5107 Particle and High Energy Physics (for-2020)51 Physical Sciences (for-2020)hep-exhep-exapplication/pdfCC-BYeScholarship, University of Californiahttps://escholarship.org/uc/item/9xh6z13xhttps://escholarship.org/content/qt9xh6z13x/qt9xh6z13x.pdfinfo:doi/10.1103/physrevd.92.052002articlePhysical Review D, vol 92, iss 5052002oai:escholarship.org:ark:/13030/qt4693w5332026-04-04T11:24:00Zqt4693w533Erratum to: Search for new phenomena in final states with an energetic jet and large missing transverse momentum in pp collisions at s=8TeV with the ATLAS detectorAad, GAbbott, BAbdallah, JAbdel Khalek, SAbdinov, OAben, RAbi, BAbolins, MAbouZeid, OSAbramowicz, HAbreu, HAbreu, RAbulaiti, YAcharya, BSAdamczyk, LAdams, DLAdelman, JAdomeit, SAdye, TAgatonovic-Jovin, TAguilar-Saavedra, JAAgustoni, MAhlen, SPAhmadov, FAielli, GAkerstedt, HÅkesson, TPAAkimoto, GAkimov, AVAlberghi, GLAlbert, JAlbrand, SAlconada Verzini, MJAleksa, MAleksandrov, INAlexa, CAlexander, GAlexandre, GAlexopoulos, TAlhroob, MAlimonti, GAlio, LAlison, JAllbrooke, BMMAllison, LJAllport, PPAloisio, AAlonso, AAlonso, FAlpigiani, CAltheimer, AAlvarez Gonzalez, BAlviggi, MGAmako, KAmaral Coutinho, YAmelung, CAmidei, DAmor Dos Santos, SPAmorim, AAmoroso, SAmram, NAmundsen, GAnastopoulos, CAncu, LSAndari, NAndeen, TAnders, CFAnders, GAnderson, KJAndreazza, AAndrei, VAnduaga, XSAngelidakis, SAngelozzi, IAnger, PAngerami, AAnghinolfi, FAnisenkov, AVAnjos, NAnnovi, AAntonelli, MAntonov, AAntos, JAnulli, FAoki, MAperio Bella, LArabidze, GArai, YAraque, JPArce, ATHArduh, FAArguin, J-FArgyropoulos, SArik, MArmbruster, AJArnaez, OArnal, VArnold, HArratia, MArslan, O2015-09-015106 Nuclear and Plasma Physics (for-2020)5107 Particle and High Energy Physics (for-2020)51 Physical Sciences (for-2020)0202 AtomicMolecularNuclearParticle and Plasma Physics (for)0206 Quantum Physics (for)Nuclear & Particles Physics (science-metrix)5101 Astronomical sciences (for-2020)5102 Atomicmolecular and optical physics (for-2020)5107 Particle and high energy physics (for-2020)application/pdfCC-BYeScholarship, University of Californiahttps://escholarship.org/uc/item/4693w533https://escholarship.org/content/qt4693w533/qt4693w533.pdfinfo:doi/10.1140/epjc/s10052-015-3639-7articleEuropean Physical Journal C, vol 75, iss 9408oai:escholarship.org:ark:/13030/qt1k2838gs2026-04-04T11:23:50Zqt1k2838gsSearch for heavy Majorana neutrinos with the ATLAS detector in pp collisions at s=8 TeVThe ATLAS collaborationAad, GAbbott, BAbdallah, JAbdel Khalek, SAbdinov, OAben, RAbi, BAbolins, MAbouZeid, OSAbramowicz, HAbreu, HAbreu, RAbulaiti, YAcharya, BSAdamczyk, LAdams, DLAdelman, JAdomeit, SAdye, TAgatonovic-Jovin, TAguilar-Saavedra, JAAgustoni, MAhlen, SPAhmadov, FAielli, GAkerstedt, HÅkesson, TPAAkimoto, GAkimov, AVAlberghi, GLAlbert, JAlbrand, SAlconada Verzini, MJAleksa, MAleksandrov, INAlexa, CAlexander, GAlexandre, GAlexopoulos, TAlhroob, MAlimonti, GAlio, LAlison, JAllbrooke, BMMAllison, LJAllport, PPAlmond, JAloisio, AAlonso, AAlonso, FAlpigiani, CAltheimer, AAlvarez Gonzalez, BAlviggi, MGAmako, KAmaral Coutinho, YAmelung, CAmidei, DAmor Dos Santos, SPAmorim, AAmoroso, SAmram, NAmundsen, GAnastopoulos, CAncu, LSAndari, NAndeen, TAnders, CFAnders, GAnderson, KJAndreazza, AAndrei, VAnduaga, XSAngelidakis, SAngelozzi, IAnger, PAngerami, AAnghinolfi, FAnisenkov, AVAnjos, NAnnovi, AAntonelli, MAntonov, AAntos, JAnulli, FAoki, MAperio Bella, LArabidze, GArai, YAraque, JPArce, ATHArduh, FAArguin, J-FArgyropoulos, SArik, MArmbruster, AJArnaez, OArnal, VArnold, H2015-07-01A search for heavy Majorana neutrinos in events containing a pair of high-pT leptons of the same charge and high-pT jets is presented. The search uses 20.3 fb−1 of pp collision data collected with the ATLAS detector at the CERN Large Hadron Collider with a centre-of-mass energy of s=8$$ \sqrt{s}=8 $$ TeV. The data are found to be consistent with the background-only hypothesis based on the Standard Model expectation. In the context of a Type-I seesaw mechanism, limits are set on the production cross-section times branching ratio for production of heavy Majorana neutrinos in the mass range between 100 and 500 GeV. The limits are subsequently interpreted as limits on the mixing between the heavy Majorana neutrinos and the Standard Model neutrinos. In the context of a left-right symmetric model, limits on the production cross-section times branching ratio are set with respect to the masses of heavy Majorana neutrinos and heavy gauge bosons WR and Z′.5106 Nuclear and Plasma Physics (for-2020)5107 Particle and High Energy Physics (for-2020)51 Physical Sciences (for-2020)Hadron-Hadron Scatteringhep-exhep-ex0105 Mathematical Physics (for)0202 AtomicMolecularNuclearParticle and Plasma Physics (for)0206 Quantum Physics (for)Nuclear & Particles Physics (science-metrix)4902 Mathematical physics (for-2020)5106 Nuclear and plasma physics (for-2020)5107 Particle and high energy physics (for-2020)application/pdfCC-BYeScholarship, University of Californiahttps://escholarship.org/uc/item/1k2838gshttps://escholarship.org/content/qt1k2838gs/qt1k2838gs.pdfinfo:doi/10.1007/jhep07(2015)162articleJournal of High Energy Physics, vol 2015, iss 7162oai:escholarship.org:ark:/13030/qt3px446hv2026-04-04T11:23:40Zqt3px446hvSearch for production of vector-like quark pairs and of four top quarks in the lepton-plus-jets final state in pp collisions at s=8 TeV with the ATLAS detectorThe ATLAS collaborationAad, GAbbott, BAbdallah, JAbdinov, OAben, RAbolins, MAbouZeid, OSAbramowicz, HAbreu, HAbreu, RAbulaiti, YAcharya, BSAdamczyk, LAdams, DLAdelman, JAdomeit, SAdye, TAffolder, AAAgatonovic-Jovin, TAguilar-Saavedra, JAAhlen, SPAhmadov, FAielli, GAkerstedt, HÅkesson, TPAAkimoto, GAkimov, AVAlberghi, GLAlbert, JAlbrand, SAlconada Verzini, MJAleksa, MAleksandrov, INAlexa, CAlexander, GAlexopoulos, TAlhroob, MAlimonti, GAlio, LAlison, JAlkire, SPAllbrooke, BMMAllport, PPAloisio, AAlonso, AAlonso, FAlpigiani, CAltheimer, AAlvarez Gonzalez, BÁlvarez Piqueras, DAlviggi, MGAmadio, BTAmako, KAmaral Coutinho, YAmelung, CAmidei, DAmor Dos Santos, SPAmorim, AAmoroso, SAmram, NAmundsen, GAnastopoulos, CAncu, LSAndari, NAndeen, TAnders, CFAnders, GAnders, JKAnderson, KJAndreazza, AAndrei, VAngelidakis, SAngelozzi, IAnger, PAngerami, AAnghinolfi, FAnisenkov, AVAnjos, NAnnovi, AAntonelli, MAntonov, AAntos, JAnulli, FAoki, MAperio Bella, LArabidze, GArai, YAraque, JPArce, ATHArduh, FAArguin, J-FArgyropoulos, SArik, MArmbruster, AJArnaez, OArnal, VArnold, HArratia, MArslan, O2015-08-01A search for pair production of vector-like quarks, both up-type (T) and down-type (B), as well as for four-top-quark production, is presented. The search is based on pp collisions at s=8$$ \sqrt{s}=8 $$ TeV recorded in 2012 with the ATLAS detector at the CERN Large Hadron Collider and corresponding to an integrated luminosity of 20.3 fb−1. Data are analysed in the lepton-plus-jets final state, characterised by an isolated electron or muon with high transverse momentum, large missing transverse momentum and multiple jets. Dedicated analyses are performed targeting three cases: a T quark with significant branching ratio to a W boson and a b-quark TT¯→Wb+X$$ \left(T\overline{T}\to Wb+\mathrm{X}\right) $$, and both a T quark and a B quark with significant branching ratio to a Higgs boson and a third-generation quark (TT¯→Ht+XandBB¯→Hb+X$$ T\overline{T}\to Ht+X\;\mathrm{and}\;B\overline{B}\to Hb+\mathrm{X} $$ respectively). No significant excess of events above the Standard Model expectation is observed, and 95% CL lower limits are derived on the masses of the vector-like T and B quarks under several branching ratio hypotheses assuming contributions from T → Wb, Zt, Ht and B → Wt, Zb, Hb decays. The 95% CL observed lower limits on the T quark mass range between 715 GeV and 950 GeV for all possible values of the branching ratios into the three decay modes, and are the most stringent constraints to date. Additionally, the most restrictive upper bounds on four-top-quark production are set in a number of new physics scenarios.5106 Nuclear and Plasma Physics (for-2020)5107 Particle and High Energy Physics (for-2020)51 Physical Sciences (for-2020)Hadron-Hadron Scatteringhep-exhep-ex0105 Mathematical Physics (for)0202 AtomicMolecularNuclearParticle and Plasma Physics (for)0206 Quantum Physics (for)Nuclear & Particles Physics (science-metrix)4902 Mathematical physics (for-2020)5106 Nuclear and plasma physics (for-2020)5107 Particle and high energy physics (for-2020)application/pdfCC-BYeScholarship, University of Californiahttps://escholarship.org/uc/item/3px446hvhttps://escholarship.org/content/qt3px446hv/qt3px446hv.pdfinfo:doi/10.1007/jhep08(2015)105articleJournal of High Energy Physics, vol 2015, iss 8105oai:escholarship.org:ark:/13030/qt20c9g6082026-04-04T11:23:30Zqt20c9g608Erratum to: Search for production of WW / WZ resonances decaying to a lepton, neutrino and jets in pp collisions at s=8 TeV with the ATLAS detectorATLAS CollaborationAad, GAbbott, BAbdallah, JAbdel Khalek, SAbdinov, OAben, RAbi, BAbolins, MAbouZeid, OSAbramowicz, HAbreu, HAbreu, RAbulaiti, YAcharya, BSAdamczyk, LAdams, DLAdelman, JAdomeit, SAdye, TAgatonovic-Jovin, TAguilar-Saavedra, JAAgustoni, MAhlen, SPAhmadov, FAielli, GAkerstedt, HÅkesson, TPAAkimoto, GAkimov, AVAlberghi, GLAlbert, JAlbrand, SAlconada Verzini, MJAleksa, MAleksandrov, INAlexa, CAlexander, GAlexandre, GAlexopoulos, TAlhroob, MAlimonti, GAlio, LAlison, JAllbrooke, BMMAllison, LJAllport, PPAloisio, AAlonso, AAlonso, FAlpigiani, CAltheimer, AAlvarez Gonzalez, BAlviggi, MGAmako, KAmaral Coutinho, YAmelung, CAmidei, DAmor Dos Santos, SPAmorim, AAmoroso, SAmram, NAmundsen, GAnastopoulos, CAncu, LSAndari, NAndeen, TAnders, CFAnders, GAnderson, KJAndreazza, AAndrei, VAnduaga, XSAngelidakis, SAngelozzi, IAnger, PAngerami, AAnghinolfi, FAnisenkov, AVAnjos, NAnnovi, AAntonelli, MAntonov, AAntos, JAnulli, FAoki, MAperio Bella, LArabidze, GArai, YAraque, JPArce, ATHArduh, FAArguin, J-FArgyropoulos, SArik, MArmbruster, AJArnaez, OArnal, VArnold, HArratia, M2015-08-015106 Nuclear and Plasma Physics (for-2020)5107 Particle and High Energy Physics (for-2020)51 Physical Sciences (for-2020)0202 AtomicMolecularNuclearParticle and Plasma Physics (for)0206 Quantum Physics (for)Nuclear & Particles Physics (science-metrix)5101 Astronomical sciences (for-2020)5102 Atomicmolecular and optical physics (for-2020)5107 Particle and high energy physics (for-2020)application/pdfCC-BYeScholarship, University of Californiahttps://escholarship.org/uc/item/20c9g608https://escholarship.org/content/qt20c9g608/qt20c9g608.pdfinfo:doi/10.1140/epjc/s10052-015-3593-4articleEuropean Physical Journal C, vol 75, iss 8370oai:escholarship.org:ark:/13030/qt5t68r9gs2026-04-04T11:23:20Zqt5t68r9gsSearch for the Standard Model Higgs boson produced in association with top quarks and decaying into bb¯ in pp collisions at s=8TeV with the ATLAS detectorAad, GAbbott, BAbdallah, JAbdinov, OAben, RAbolins, MAbouZeid, OSAbramowicz, HAbreu, HAbreu, RAbulaiti, YAcharya, BSAdamczyk, LAdams, DLAdelman, JAdomeit, SAdye, TAffolder, AAAgatonovic-Jovin, TAguilar-Saavedra, JAAgustoni, MAhlen, SPAhmadov, FAielli, GAkerstedt, HÅkesson, TPAAkimoto, GAkimov, AVAlberghi, GLAlbert, JAlbrand, SAlconada Verzini, MJAleksa, MAleksandrov, INAlexa, CAlexander, GAlexopoulos, TAlhroob, MAlimonti, GAlio, LAlison, JAlkire, SPAllbrooke, BMMAllport, PPAloisio, AAlonso, AAlonso, FAlpigiani, CAltheimer, AAlvarez Gonzalez, BPiqueras, D ÁlvarezAlviggi, MGAmako, KAmaral Coutinho, YAmelung, CAmidei, DAmor Dos Santos, SPAmorim, AAmoroso, SAmram, NAmundsen, GAnastopoulos, CAncu, LSAndari, NAndeen, TAnders, CFAnders, GAnderson, KJAndreazza, AAndrei, VAngelidakis, SAngelozzi, IAnger, PAngerami, AAnghinolfi, FAnisenkov, AVAnjos, NAnnovi, AAntonelli, MAntonov, AAntos, JAnulli, FAoki, MAperio Bella, LArabidze, GArai, YAraque, JPArce, ATHArduh, FAArguin, J-FArgyropoulos, SArik, MArmbruster, AJArnaez, OArnal, VArnold, HArratia, MArslan, OArtamonov, AArtoni, G2015-07-01A search for the Standard Model Higgs boson produced in association with a top-quark pair, tt¯H$$t\bar{t}H$$, is presented. The analysis uses 20.3 fb−1 of pp collision data at s=8TeV$$\sqrt{s}=8{{\,\mathrm TeV}}$$, collected with the ATLAS detector at the Large Hadron Collider during 2012. The search is designed for the H→bb¯$$H \rightarrow b\bar{b}$$ decay mode and uses events containing one or two electrons or muons. In order to improve the sensitivity of the search, events are categorised according to their jet and b-tagged jet multiplicities. A neural network is used to discriminate between signal and background events, the latter being dominated by tt¯$$t\bar{t}$$+jets production. In the single-lepton channel, variables calculated using a matrix element method are included as inputs to the neural network to improve discrimination of the irreducible tt¯+bb¯$$t\bar{t}{+}b\bar{b}$$ background. No significant excess of events above the background expectation is found and an observed (expected) limit of 3.4 (2.2) times the Standard Model cross section is obtained at 95 % confidence level. The ratio of the measured tt¯H$${t\bar{t}H}$$ signal cross section to the Standard Model expectation is found to be μ=1.5±1.1$$\mu = 1.5 \pm 1.1$$ assuming a Higgs boson mass of 125GeV$${{\,\mathrm GeV\,}}$$.5106 Nuclear and Plasma Physics (for-2020)5107 Particle and High Energy Physics (for-2020)51 Physical Sciences (for-2020)ATLAS PublicationsATLAS PublicationsATLAS Publicationshep-exhep-ex0202 AtomicMolecularNuclearParticle and Plasma Physics (for)0206 Quantum Physics (for)Nuclear & Particles Physics (science-metrix)5101 Astronomical sciences (for-2020)5102 Atomicmolecular and optical physics (for-2020)5107 Particle and high energy physics (for-2020)application/pdfCC-BYeScholarship, University of Californiahttps://escholarship.org/uc/item/5t68r9gshttps://escholarship.org/content/qt5t68r9gs/qt5t68r9gs.pdfinfo:doi/10.1140/epjc/s10052-015-3543-1articleEuropean Physical Journal C, vol 75, iss 7349oai:escholarship.org:ark:/13030/qt7z93r6982026-04-04T11:22:21Zqt7z93r698Constraints on the off-shell Higgs boson signal strength in the high-mass ZZ and WW final states with the ATLAS detectorATLAS CollaborationAad, GAbbott, BAbdallah, JAbdinov, OAben, RAbolins, MAbouZeid, OSAbramowicz, HAbreu, HAbreu, RAbulaiti, YAcharya, BSAdamczyk, LAdams, DLAdelman, JAdomeit, SAdye, TAffolder, AAAgatonovic-Jovin, TAguilar-Saavedra, JAAgustoni, MAhlen, SPAhmadov, FAielli, GAkerstedt, HÅkesson, TPAAkimoto, GAkimov, AVAlberghi, GLAlbert, JAlbrand, SAlconada Verzini, MJAleksa, MAleksandrov, INAlexa, CAlexander, GAlexopoulos, TAlhroob, MAlimonti, GAlio, LAlison, JAlkire, SPAllbrooke, BMMAllport, PPAloisio, AAlonso, AAlonso, FAlpigiani, CAltheimer, AAlvarez Gonzalez, BPiqueras, D ÁlvarezAlviggi, MGAmako, KAmaral Coutinho, YAmelung, CAmidei, DAmor Dos Santos, SPAmorim, AAmoroso, SAmram, NAmundsen, GAnastopoulos, CAncu, LSAndari, NAndeen, TAnders, CFAnders, GAnderson, KJAndreazza, AAndrei, VAngelidakis, SAngelozzi, IAnger, PAngerami, AAnghinolfi, FAnisenkov, AVAnjos, NAnnovi, AAntonelli, MAntonov, AAntos, JAnulli, FAoki, MAperio Bella, LArabidze, GArai, YAraque, JPArce, ATHArduh, FAArguin, J-FArgyropoulos, SArik, MArmbruster, AJArnaez, OArnal, VArnold, HArratia, MArslan, OArtamonov, A2015-07-01Measurements of the ZZ and WW final states in the mass range above the [Formula: see text] and [Formula: see text] thresholds provide a unique opportunity to measure the off-shell coupling strength of the Higgs boson. This paper presents constraints on the off-shell Higgs boson event yields normalised to the Standard Model prediction (signal strength) in the [Formula: see text], [Formula: see text] and [Formula: see text] final states. The result is based on pp collision data collected by the ATLAS experiment at the LHC, corresponding to an integrated luminosity of 20.3 fb[Formula: see text] at a collision energy of [Formula: see text] TeV. Using the [Formula: see text] method, the observed 95 [Formula: see text] confidence level (CL) upper limit on the off-shell signal strength is in the range 5.1-8.6, with an expected range of 6.7-11.0. In each case the range is determined by varying the unknown [Formula: see text] and [Formula: see text] background K-factor from higher-order quantum chromodynamics corrections between half and twice the value of the known signal K-factor. Assuming the relevant Higgs boson couplings are independent of the energy scale of the Higgs boson production, a combination with the on-shell measurements yields an observed (expected) 95 [Formula: see text] CL upper limit on [Formula: see text] in the range 4.5-7.5 (6.5-11.2) using the same variations of the background K-factor. Assuming that the unknown [Formula: see text] background K-factor is equal to the signal K-factor, this translates into an observed (expected) 95 [Formula: see text] CL upper limit on the Higgs boson total width of 22.7 (33.0) MeV.5106 Nuclear and Plasma Physics (for-2020)5107 Particle and High Energy Physics (for-2020)51 Physical Sciences (for-2020)7 Affordable and Clean Energy (sdg)ATLAS CollaborationATLAS CollaborationATLAS Collaborationhep-exhep-ex0202 AtomicMolecularNuclearParticle and Plasma Physics (for)0206 Quantum Physics (for)Nuclear & Particles Physics (science-metrix)5101 Astronomical sciences (for-2020)5102 Atomicmolecular and optical physics (for-2020)5107 Particle and high energy physics (for-2020)application/pdfCC-BYeScholarship, University of Californiahttps://escholarship.org/uc/item/7z93r698https://escholarship.org/content/qt7z93r698/qt7z93r698.pdfinfo:doi/10.1140/epjc/s10052-015-3542-2articleEuropean Physical Journal C, vol 75, iss 7335oai:escholarship.org:ark:/13030/qt3st9m8k82026-04-04T11:22:09Zqt3st9m8k8Measurement of the top pair production cross section in 8 TeV proton-proton collisions using kinematic information in the lepton+jets final state with ATLASAad, GAbbott, BAbdallah, JKhalek, S AbdelAbdinov, OAben, RAbi, BAbolins, MAbouZeid, OSAbramowicz, HAbreu, HAbreu, RAbulaiti, YAcharya, BSAdamczyk, LAdams, DLAdelman, JAdomeit, SAdye, TAgatonovic-Jovin, TAguilar-Saavedra, JAAgustoni, MAhlen, SPAhmadov, FAielli, GAkerstedt, HÅkesson, TPAAkimoto, GAkimov, AVAlberghi, GLAlbert, JAlbrand, SVerzini, MJ AlconadaAleksa, MAleksandrov, INAlexa, CAlexander, GAlexandre, GAlexopoulos, TAlhroob, MAlimonti, GAlio, LAlison, JAllbrooke, BMMAllison, LJAllport, PPAloisio, AAlonso, AAlonso, FAlpigiani, CAltheimer, AGonzalez, B AlvarezAlviggi, MGAmako, KCoutinho, Y AmaralAmelung, CAmidei, DDos Santos, SP AmorAmorim, AAmoroso, SAmram, NAmundsen, GAnastopoulos, CAncu, LSAndari, NAndeen, TAnders, CFAnders, GAnderson, KJAndreazza, AAndrei, VAnduaga, XSAngelidakis, SAngelozzi, IAnger, PAngerami, AAnghinolfi, FAnisenkov, AVAnjos, NAnnovi, AAntonelli, MAntonov, AAntos, JAnulli, FAoki, MBella, L AperioArabidze, GArai, YAraque, JPArce, ATHArduh, FAArguin, J-FArgyropoulos, SArik, MArmbruster, AJArnaez, OArnal, VArnold, HArratia, MArslan, O2015-06-01A measurement is presented of the tt¯ inclusive production cross section in pp collisions at a center-of-mass energy of s=8 TeV using data collected by the ATLAS detector at the CERN Large Hadron Collider. The measurement was performed in the lepton+jets final state using a data set corresponding to an integrated luminosity of 20.3 fb−1. The cross section was obtained using a likelihood discriminant fit and b-jet identification was used to improve the signal-to-background ratio. The inclusive tt¯ production cross section was measured to be 260±1(stat)−23+22(stat)±8(lumi)±4(beam) pb assuming a top-quark mass of 172.5 GeV, in good agreement with the theoretical prediction of 253−15+13 pb. The tt¯→(e,μ)+jets production cross section in the fiducial region determined by the detector acceptance is also reported.5106 Nuclear and Plasma Physics (for-2020)5107 Particle and High Energy Physics (for-2020)51 Physical Sciences (for-2020)hep-exhep-exapplication/pdfCC-BYeScholarship, University of Californiahttps://escholarship.org/uc/item/3st9m8k8https://escholarship.org/content/qt3st9m8k8/qt3st9m8k8.pdfinfo:doi/10.1103/physrevd.91.112013articlePhysical Review D, vol 91, iss 11112013oai:escholarship.org:ark:/13030/qt40t4g2gt2026-04-04T11:21:59Zqt40t4g2gtIdentification and energy calibration of hadronically decaying tau leptons with the ATLAS experiment in pp collisions at s=8TeVAad, GAbbott, BAbdallah, JAbdel Khalek, SAbdinov, OAben, RAbi, BAbolins, MAbouZeid, OSAbramowicz, HAbreu, HAbreu, RAbulaiti, YAcharya, BSAdamczyk, LAdams, DLAdelman, JAdomeit, SAdye, TAgatonovic-Jovin, TAguilar-Saavedra, JAAgustoni, MAhlen, SPAhmadov, FAielli, GAkerstedt, HÅkesson, TPAAkimoto, GAkimov, AVAlberghi, GLAlbert, JAlbrand, SAlconada Verzini, MJAleksa, MAleksandrov, INAlexa, CAlexander, GAlexandre, GAlexopoulos, TAlhroob, MAlimonti, GAlio, LAlison, JAllbrooke, BMMAllison, LJAllport, PPAloisio, AAlonso, AAlonso, FAlpigiani, CAltheimer, AAlvarez Gonzalez, BAlviggi, MGAmako, KAmaral Coutinho, YAmelung, CAmidei, DAmor Dos Santos, SPAmorim, AAmoroso, SAmram, NAmundsen, GAnastopoulos, CAncu, LSAndari, NAndeen, TAnders, CFAnders, GAnderson, KJAndreazza, AAndrei, VAnduaga, XSAngelidakis, SAngelozzi, IAnger, PAngerami, AAnghinolfi, FAnisenkov, AVAnjos, NAnnovi, AAntonaki, AAntonelli, MAntonov, AAntos, JAnulli, FAoki, MAperio Bella, LApolle, RArabidze, GAracena, IArai, YAraque, JPArce, ATHArduh, FAArguin, J-FArgyropoulos, SArik, MArmbruster, AJArnaez, OArnal, V2015-07-01This paper describes the trigger and offline reconstruction, identification and energy calibration algorithms for hadronic decays of tau leptons employed for the data collected from pp collisions in 2012 with the ATLAS detector at the LHC center-of-mass energy s=8$$\sqrt{\mathrm {s}} = 8$$ TeV$$\,\hbox {TeV}$$. The performance of these algorithms is measured in most cases with Z$$Z$$ decays to tau leptons using the full 2012 dataset, corresponding to an integrated luminosity of 20.3 fb-1$$^{-1}$$. An uncertainty on the offline reconstructed tau energy scale of 2–4 %, depending on transverse energy and pseudorapidity, is achieved using two independent methods. The offline tau identification efficiency is measured with a precision of 2.5 % for hadronically decaying tau leptons with one associated track, and of 4 % for the case of three associated tracks, inclusive in pseudorapidity and for a visible transverse energy greater than 20 GeV$$\,\hbox {GeV}$$. For hadronic tau lepton decays selected by offline algorithms, the tau trigger identification efficiency is measured with a precision of 2–8 %, depending on the transverse energy. The performance of the tau algorithms, both offline and at the trigger level, is found to be stable with respect to the number of concurrent proton–proton interactions and has supported a variety of physics results using hadronically decaying tau leptons at ATLAS.5106 Nuclear and Plasma Physics (for-2020)5107 Particle and High Energy Physics (for-2020)51 Physical Sciences (for-2020)Atlas CollaborationAtlas CollaborationAtlas Collaborationhep-exhep-ex0202 AtomicMolecularNuclearParticle and Plasma Physics (for)0206 Quantum Physics (for)Nuclear & Particles Physics (science-metrix)5101 Astronomical sciences (for-2020)5102 Atomicmolecular and optical physics (for-2020)5107 Particle and high energy physics (for-2020)application/pdfCC-BYeScholarship, University of Californiahttps://escholarship.org/uc/item/40t4g2gthttps://escholarship.org/content/qt40t4g2gt/qt40t4g2gt.pdfinfo:doi/10.1140/epjc/s10052-015-3500-zarticleEuropean Physical Journal C, vol 75, iss 7303oai:escholarship.org:ark:/13030/qt1n00526h2026-04-04T11:21:48Zqt1n00526hSearch for a Charged Higgs Boson Produced in the Vector-Boson Fusion Mode with Decay H±→W±Z using pp Collisions at s=8 TeV with the ATLAS ExperimentAad, GAbbott, BAbdallah, JAbdinov, OAben, RAbolins, MAbouZeid, OSAbramowicz, HAbreu, HAbreu, RAbulaiti, YAcharya, BSAdamczyk, LAdams, DLAdelman, JAdomeit, SAdye, TAffolder, AAAgatonovic-Jovin, TAguilar-Saavedra, JAAhlen, SPAhmadov, FAielli, GAkerstedt, HÅkesson, TPAAkimoto, GAkimov, AVAlberghi, GLAlbert, JAlbrand, SVerzini, MJ AlconadaAleksa, MAleksandrov, INAlexa, CAlexander, GAlexopoulos, TAlhroob, MAlimonti, GAlio, LAlison, JAlkire, SPAllbrooke, BMMAllport, PPAloisio, AAlonso, AAlonso, FAlpigiani, CAltheimer, AGonzalez, B AlvarezPiqueras, D ÁlvarezAlviggi, MGAmadio, BTAmako, KCoutinho, Y AmaralAmelung, CAmidei, DDos Santos, SP AmorAmorim, AAmoroso, SAmram, NAmundsen, GAnastopoulos, CAncu, LSAndari, NAndeen, TAnders, CFAnders, GAnders, JKAnderson, KJAndreazza, AAndrei, VAngelidakis, SAngelozzi, IAnger, PAngerami, AAnghinolfi, FAnisenkov, AVAnjos, NAnnovi, AAntonelli, MAntonov, AAntos, JAnulli, FAoki, MBella, L AperioArabidze, GArai, YAraque, JPArce, ATHArduh, FAArguin, J-FArgyropoulos, SArik, MArmbruster, AJArnaez, OArnal, VArnold, HArratia, MArslan, OArtamonov, A2015-06-12A search for a charged Higgs boson, H(±), decaying to a W(±) boson and a Z boson is presented. The search is based on 20.3 fb(-1) of proton-proton collision data at a center-of-mass energy of 8 TeV recorded with the ATLAS detector at the LHC. The H(±) boson is assumed to be produced via vector-boson fusion and the decays W(±)→qq' and Z→e(+)e(-)/μ(+)μ(-) are considered. The search is performed in a range of charged Higgs boson masses from 200 to 1000 GeV. No evidence for the production of an H(±) boson is observed. Upper limits of 31-1020 fb at 95% C.L. are placed on the cross section for vector-boson fusion production of an H(±) boson times its branching fraction to W(±)Z. The limits are compared with predictions from the Georgi-Machacek Higgs triplet model.5106 Nuclear and Plasma Physics (for-2020)5107 Particle and High Energy Physics (for-2020)51 Physical Sciences (for-2020)ATLAS Collaborationhep-exhep-ex01 Mathematical Sciences (for)02 Physical Sciences (for)09 Engineering (for)General Physics (science-metrix)40 Engineering (for-2020)49 Mathematical sciences (for-2020)51 Physical sciences (for-2020)application/pdfCC-BYeScholarship, University of Californiahttps://escholarship.org/uc/item/1n00526hhttps://escholarship.org/content/qt1n00526h/qt1n00526h.pdfinfo:doi/10.1103/physrevlett.114.231801articlePhysical Review Letters, vol 114, iss 23231801oai:escholarship.org:ark:/13030/qt8fz7j6s52026-04-04T11:21:36Zqt8fz7j6s5Search for a new resonance decaying to a W or Z boson and a Higgs boson in the ℓℓ/ℓν/νν+bb¯ final states with the ATLAS detectorAad, GAbbott, BAbdallah, JAbdinov, OAben, RAbolins, MAbouZeid, OSAbramowicz, HAbreu, HAbreu, RAbulaiti, YAcharya, BSAdamczyk, LAdams, DLAdelman, JAdomeit, SAdye, TAffolder, AAAgatonovic-Jovin, TAguilar-Saavedra, JAAhlen, SPAhmadov, FAielli, GAkerstedt, HÅkesson, TPAAkimoto, GAkimov, AVAlberghi, GLAlbert, JAlbrand, SAlconada Verzini, MJAleksa, MAleksandrov, INAlexa, CAlexander, GAlexopoulos, TAlhroob, MAlimonti, GAlio, LAlison, JAlkire, SPAllbrooke, BMMAllport, PPAloisio, AAlonso, AAlonso, FAlpigiani, CAltheimer, AAlvarez Gonzalez, BPiqueras, D ÁlvarezAlviggi, MGAmadio, BTAmako, KAmaral Coutinho, YAmelung, CAmidei, DAmor Dos Santos, SPAmorim, AAmoroso, SAmram, NAmundsen, GAnastopoulos, CAncu, LSAndari, NAndeen, TAnders, CFAnders, GAnders, JKAnderson, KJAndreazza, AAndrei, VAngelidakis, SAngelozzi, IAnger, PAngerami, AAnghinolfi, FAnisenkov, AVAnjos, NAnnovi, AAntonelli, MAntonov, AAntos, JAnulli, FAoki, MAperio Bella, LArabidze, GArai, YAraque, JPArce, ATHArduh, FAArguin, J-FArgyropoulos, SArik, MArmbruster, AJArnaez, OArnal, VArnold, HArratia, MArslan, OArtamonov, A2015-06-01A search for a new resonance decaying to a W or Z boson and a Higgs boson in the [Formula: see text] final states is performed using 20.3 fb[Formula: see text] of pp collision data recorded at [Formula: see text] 8 TeV with the ATLAS detector at the Large Hadron Collider. The search is conducted by examining the WH / ZH invariant mass distribution for a localized excess. No significant deviation from the Standard Model background prediction is observed. The results are interpreted in terms of constraints on the Minimal Walking Technicolor model and on a simplified approach based on a phenomenological Lagrangian of Heavy Vector Triplets.5106 Nuclear and Plasma Physics (for-2020)5107 Particle and High Energy Physics (for-2020)51 Physical Sciences (for-2020)ATLAS collaborationATLAS collaborationATLAS collaborationhep-exhep-ex0202 AtomicMolecularNuclearParticle and Plasma Physics (for)0206 Quantum Physics (for)Nuclear & Particles Physics (science-metrix)5101 Astronomical sciences (for-2020)5102 Atomicmolecular and optical physics (for-2020)5107 Particle and high energy physics (for-2020)application/pdfCC-BYeScholarship, University of Californiahttps://escholarship.org/uc/item/8fz7j6s5https://escholarship.org/content/qt8fz7j6s5/qt8fz7j6s5.pdfinfo:doi/10.1140/epjc/s10052-015-3474-xarticleEuropean Physical Journal C, vol 75, iss 6263oai:escholarship.org:ark:/13030/qt3ss0r4sk2026-04-04T11:21:26Zqt3ss0r4skMeasurement of three-jet production cross-sections in pp collisions at 7 TeV centre-of-mass energy using the ATLAS detectorATLAS CollaborationAad, GAbbott, BAbdallah, JAbdel Khalek, SAbdinov, OAben, RAbi, BAbolins, MAbouZeid, OSAbramowicz, HAbreu, HAbreu, RAbulaiti, YAcharya, BSAdamczyk, LAdams, DLAdelman, JAdomeit, SAdye, TAgatonovic-Jovin, TAguilar-Saavedra, JAAgustoni, MAhlen, SPAhmadov, FAielli, GAkerstedt, HÅkesson, TPAAkimoto, GAkimov, AVAlberghi, GLAlbert, JAlbrand, SAlconada Verzini, MJAleksa, MAleksandrov, INAlexa, CAlexander, GAlexandre, GAlexopoulos, TAlhroob, MAlimonti, GAlio, LAlison, JAllbrooke, BMMAllison, LJAllport, PPAlmond, JAloisio, AAlonso, AAlonso, FAlpigiani, CAltheimer, AAlvarez Gonzalez, BAlviggi, MGAmako, KAmaral Coutinho, YAmelung, CAmidei, DAmor Dos Santos, SPAmorim, AAmoroso, SAmram, NAmundsen, GAnastopoulos, CAncu, LSAndari, NAndeen, TAnders, CFAnders, GAnderson, KJAndreazza, AAndrei, VAnduaga, XSAngelidakis, SAngelozzi, IAnger, PAngerami, AAnghinolfi, FAnisenkov, AVAnjos, NAnnovi, AAntonaki, AAntonelli, MAntonov, AAntos, JAnulli, FAoki, MAperio Bella, LApolle, RArabidze, GAracena, IArai, YAraque, JPArce, ATHArguin, J-FArgyropoulos, SArik, MArmbruster, AJArnaez, O2015-05-01Double-differential three-jet production cross-sections are measured in proton-proton collisions at a centre-of-mass energy of [Formula: see text] using the ATLAS detector at the large hadron collider. The measurements are presented as a function of the three-jet mass [Formula: see text], in bins of the sum of the absolute rapidity separations between the three leading jets [Formula: see text]. Invariant masses extending up to 5 TeV are reached for [Formula: see text]. These measurements use a sample of data recorded using the ATLAS detector in 2011, which corresponds to an integrated luminosity of [Formula: see text]. Jets are identified using the anti-[Formula: see text] algorithm with two different jet radius parameters, [Formula: see text] and [Formula: see text]. The dominant uncertainty in these measurements comes from the jet energy scale. Next-to-leading-order QCD calculations corrected to account for non-perturbative effects are compared to the measurements. Good agreement is found between the data and the theoretical predictions based on most of the available sets of parton distribution functions, over the full kinematic range, covering almost seven orders of magnitude in the measured cross-section values.5106 Nuclear and Plasma Physics (for-2020)5107 Particle and High Energy Physics (for-2020)51 Physical Sciences (for-2020)ATLAS CollaborationATLAS Collaborationhep-exhep-ex0202 AtomicMolecularNuclearParticle and Plasma Physics (for)0206 Quantum Physics (for)Nuclear & Particles Physics (science-metrix)5101 Astronomical sciences (for-2020)5102 Atomicmolecular and optical physics (for-2020)5107 Particle and high energy physics (for-2020)application/pdfCC-BYeScholarship, University of Californiahttps://escholarship.org/uc/item/3ss0r4skhttps://escholarship.org/content/qt3ss0r4sk/qt3ss0r4sk.pdfinfo:doi/10.1140/epjc/s10052-015-3363-3articleEuropean Physical Journal C, vol 75, iss 5228oai:escholarship.org:ark:/13030/qt3r4205qs2026-04-04T11:21:15Zqt3r4205qsObservation and measurements of the production of prompt and non-prompt Jψ mesons in association with a Z boson in pp collisions at s=8TeV with the ATLAS detectorAad, GAbbott, BAbdallah, JAbdel Khalek, SAbdinov, OAben, RAbi, BAbolins, MAbouZeid, OSAbramowicz, HAbreu, HAbreu, RAbulaiti, YAcharya, BSAdamczyk, LAdams, DLAdelman, JAdomeit, SAdye, TAgatonovic-Jovin, TAguilar-Saavedra, JAAgustoni, MAhlen, SPAhmadov, FAielli, GAkerstedt, HÅkesson, TPAAkimoto, GAkimov, AVAlberghi, GLAlbert, JAlbrand, SAlconada Verzini, MJAleksa, MAleksandrov, INAlexa, CAlexander, GAlexandre, GAlexopoulos, TAlhroob, MAlimonti, GAlio, LAlison, JAllbrooke, BMMAllison, LJAllport, PPAloisio, AAlonso, AAlonso, FAlpigiani, CAltheimer, AAlvarez Gonzalez, BAlviggi, MGAmako, KAmaral Coutinho, YAmelung, CAmidei, DAmor Dos Santos, SPAmorim, AAmoroso, SAmram, NAmundsen, GAnastopoulos, CAncu, LSAndari, NAndeen, TAnders, CFAnders, GAnderson, KJAndreazza, AAndrei, VAnduaga, XSAngelidakis, SAngelozzi, IAnger, PAngerami, AAnghinolfi, FAnisenkov, AVAnjos, NAnnovi, AAntonelli, MAntonov, AAntos, JAnulli, FAoki, MAperio Bella, LArabidze, GArai, YAraque, JPArce, ATHArduh, FAArguin, J-FArgyropoulos, SArik, MArmbruster, AJArnaez, OArnal, VArnold, HArratia, MArslan, O2015-05-01The production of a Z$$Z$$ boson in association with a J/ψ$$J/\psi $$ meson in proton–proton collisions probes the production mechanisms of quarkonium and heavy flavour in association with vector bosons, and allows studies of multiple parton scattering. Using 20.3fb-1$$20.3\,\text {fb}^{-1}$$ of data collected with the ATLAS experiment at the LHC in pp$$pp$$ collisions at s=8TeV$$\sqrt{s}=8\,\text {TeV}$$, the first measurement of associated Z+J/ψ$$Z\, +\, J/\psi $$ production is presented for both prompt and non-prompt J/ψ$$J/\psi $$ production, with both signatures having a significance in excess of 5σ$$5\sigma $$. The inclusive production cross-sections for Z$$Z$$ boson production (analysed in μ+μ-$$\mu ^+\mu ^-$$ or e+e-$$e^+e^-$$ decay modes) in association with prompt and non-prompt J/ψ(→μ+μ-)$$J/\psi (\rightarrow \mu ^+\mu ^-)$$ are measured relative to the inclusive production rate of Z$$Z$$ bosons in the same fiducial volume to be (36.8±6.7±2.5)×10-7$$(36.8\pm 6.7\pm 2.5)\, \times \, 10^{-7}$$ and (65.8±9.2±4.2)×10-7$$(65.8\pm 9.2\pm 4.2)\, \times \, 10^{-7}$$ respectively. Normalised differential production cross-section ratios are also determined as a function of the Jψ$$\text {J}\uppsi $$ transverse momentum. The fraction of signal events arising from single and double parton scattering is estimated, and a lower limit of 5.3(3.7)mb$$5.3\ (3.7)\,\text {mb}$$ at 68(95)%$$68\ (95) \%$$ confidence level is placed on the effective cross-section regulating double parton interactions.5106 Nuclear and Plasma Physics (for-2020)5107 Particle and High Energy Physics (for-2020)51 Physical Sciences (for-2020)Atlas CollaborationAtlas CollaborationAtlas Collaborationhep-exhep-ex0202 AtomicMolecularNuclearParticle and Plasma Physics (for)0206 Quantum Physics (for)Nuclear & Particles Physics (science-metrix)5101 Astronomical sciences (for-2020)5102 Atomicmolecular and optical physics (for-2020)5107 Particle and high energy physics (for-2020)application/pdfCC-BYeScholarship, University of Californiahttps://escholarship.org/uc/item/3r4205qshttps://escholarship.org/content/qt3r4205qs/qt3r4205qs.pdfinfo:doi/10.1140/epjc/s10052-015-3406-9articleEuropean Physical Journal C, vol 75, iss 5229oai:escholarship.org:ark:/13030/qt3d26g8cn2026-04-04T11:21:05Zqt3d26g8cnDetermination of spin and parity of the Higgs boson in the WW∗→eνμν decay channel with the ATLAS detectorATLAS collaborationAad, GAbbott, BAbdallah, JAbdinov, OAben, RAbolins, MAbouZeid, OSAbramowicz, HAbreu, HAbreu, RAbulaiti, YAcharya, BSAdamczyk, LAdams, DLAdelman, JAdomeit, SAdye, TAffolder, AAAgatonovic-Jovin, TAguilar-Saavedra, JAAgustoni, MAhlen, SPAhmadov, FAielli, GAkerstedt, HÅkesson, TPAAkimoto, GAkimov, AVAlberghi, GLAlbert, JAlbrand, SAlconada Verzini, MJAleksa, MAleksandrov, INAlexa, CAlexander, GAlexopoulos, TAlhroob, MAlimonti, GAlio, LAlison, JAlkire, SPAllbrooke, BMMAllport, PPAloisio, AAlonso, AAlonso, FAlpigiani, CAltheimer, AAlvarez Gonzalez, BPiqueras, D ÁlvarezAlviggi, MGAmako, KAmaral Coutinho, YAmelung, CAmidei, DAmor Dos Santos, SPAmorim, AAmoroso, SAmram, NAmundsen, GAnastopoulos, CAncu, LSAndari, NAndeen, TAnders, CFAnders, GAnderson, KJAndreazza, AAndrei, VAngelidakis, SAngelozzi, IAnger, PAngerami, AAnghinolfi, FAnisenkov, AVAnjos, NAnnovi, AAntonelli, MAntonov, AAntos, JAnulli, FAoki, MAperio Bella, LArabidze, GArai, YAraque, JPArce, ATHArduh, FAArguin, J-FArgyropoulos, SArik, MArmbruster, AJArnaez, OArnal, VArnold, HArratia, MArslan, OArtamonov, A2015-05-01Studies of the spin and parity quantum numbers of the Higgs boson in the [Formula: see text] final state are presented, based on proton-proton collision data collected by the ATLAS detector at the Large Hadron Collider, corresponding to an integrated luminosity of 20.3 fb[Formula: see text] at a centre-of-mass energy of [Formula: see text] TeV. The Standard Model spin-parity [Formula: see text] hypothesis is compared with alternative hypotheses for both spin and CP. The case where the observed resonance is a mixture of the Standard-Model-like Higgs boson and CP-even ([Formula: see text]) or CP-odd ([Formula: see text]) Higgs boson in scenarios beyond the Standard Model is also studied. The data are found to be consistent with the Standard Model prediction and limits are placed on alternative spin and CP hypotheses, including CP mixing in different scenarios.5106 Nuclear and Plasma Physics (for-2020)5107 Particle and High Energy Physics (for-2020)51 Physical Sciences (for-2020)ATLAS collaborationATLAS collaborationATLAS collaborationhep-exhep-ex0202 AtomicMolecularNuclearParticle and Plasma Physics (for)0206 Quantum Physics (for)Nuclear & Particles Physics (science-metrix)5101 Astronomical sciences (for-2020)5102 Atomicmolecular and optical physics (for-2020)5107 Particle and high energy physics (for-2020)application/pdfCC-BYeScholarship, University of Californiahttps://escholarship.org/uc/item/3d26g8cnhttps://escholarship.org/content/qt3d26g8cn/qt3d26g8cn.pdfinfo:doi/10.1140/epjc/s10052-015-3436-3articleEuropean Physical Journal C, vol 75, iss 5231oai:escholarship.org:ark:/13030/qt6q55r1sj2026-04-04T11:19:32Zqt6q55r1sjSearch for squarks and gluinos with the ATLAS detector in final states with jets and missing transverse momentum using s=8 TeV proton-proton collision dataThe ATLAS collaborationAad, GAbbott, BAbdallah, JKhalek, S AbdelAbdinov, OAben, RAbi, BAbolins, MAbouZeid, OSAbramowicz, HAbreu, HAbreu, RAbulaiti, YAcharya, BSAdamczyk, LAdams, DLAdelman, JAdomeit, SAdye, TAgatonovic-Jovin, TAguilar-Saavedra, JAAgustoni, MAhlen, SPAhmadov, FAielli, GAkerstedt, HÅkesson, TPAAkimoto, GAkimov, AVAlberghi, GLAlbert, JAlbrand, SVerzini, MJ AlconadaAleksa, MAleksandrov, INAlexa, CAlexander, GAlexandre, GAlexopoulos, TAlhroob, MAlimonti, GAlio, LAlison, JAllbrooke, BMMAllison, LJAllport, PPAlmond, JAloisio, AAlonso, AAlonso, FAlpigiani, CAltheimer, AGonzalez, B AlvarezAlviggi, MGAmako, KCoutinho, Y AmaralAmelung, CAmidei, DSantos, SP Amor DosAmorim, AAmoroso, SAmram, NAmundsen, GAnastopoulos, CAncu, LSAndari, NAndeen, TAnders, CFAnders, GAnderson, KJAndreazza, AAndrei, VAnduaga, XSAngelidakis, SAngelozzi, IAnger, PAngerami, AAnghinolfi, FAnisenkov, AVAnjos, NAnnovi, AAntonaki, AAntonelli, MAntonov, AAntos, JAnulli, FAoki, MBella, L AperioApolle, RArabidze, GAracena, IArai, YAraque, JPArce, ATHArguin, J-FArgyropoulos, SArik, MArmbruster, AJArnaez, O2014-09-01A search for squarks and gluinos in final states containing high-pT jets, missing transverse momentum and no electrons or muons is presented. The data were recorded in 2012 by the ATLAS experiment in s=8$$ \sqrt{s}=8 $$ TeV proton-proton collisions at the Large Hadron Collider, with a total integrated luminosity of 20.3 fb−1. Results are interpreted in a variety of simplified and specific supersymmetry-breaking models assuming that R-parity is conserved and that the lightest neutralino is the lightest supersymmetric particle. An exclusion limit at the 95% confidence level on the mass of the gluino is set at 1330 GeV for a simplified model incorporating only a gluino and the lightest neutralino. For a simplified model involving the strong production of first- and second-generation squarks, squark masses below 850 GeV (440 GeV) are excluded for a massless lightest neutralino, assuming mass degenerate (single light-flavour) squarks. In mSUGRA/CMSSM models with tan β = 30, A0 = −2m0 and μ > 0, squarks and gluinos of equal mass are excluded for masses below 1700 GeV. Additional limits are set for non-universal Higgs mass models with gaugino mediation and for simplified models involving the pair production of gluinos, each decaying to a top squark and a top quark, with the top squark decaying to a charm quark and a neutralino. These limits extend the region of supersymmetric parameter space excluded by previous searches with the ATLAS detector.5106 Nuclear and Plasma Physics (for-2020)5107 Particle and High Energy Physics (for-2020)51 Physical Sciences (for-2020)Hadron-Hadron ScatteringSupersymmetryHadron-Hadron ScatteringSupersymmetryhep-exhep-ex0105 Mathematical Physics (for)0202 AtomicMolecularNuclearParticle and Plasma Physics (for)0206 Quantum Physics (for)Nuclear & Particles Physics (science-metrix)4902 Mathematical physics (for-2020)5106 Nuclear and plasma physics (for-2020)5107 Particle and high energy physics (for-2020)application/pdfCC-BYeScholarship, University of Californiahttps://escholarship.org/uc/item/6q55r1sjhttps://escholarship.org/content/qt6q55r1sj/qt6q55r1sj.pdfinfo:doi/10.1007/jhep09(2014)176articleJournal of High Energy Physics, vol 2014, iss 9176oai:escholarship.org:ark:/13030/qt7tp9r24k2026-04-04T11:19:20Zqt7tp9r24kSearch for direct pair production of a chargino and a neutralino decaying to the 125 GeV Higgs boson in s=8 TeV pp collisions with the ATLAS detectorAad, GAbbott, BAbdallah, JAbdel Khalek, SAbdinov, OAben, RAbi, BAbolins, MAbouZeid, OSAbramowicz, HAbreu, HAbreu, RAbulaiti, YAcharya, BSAdamczyk, LAdams, DLAdelman, JAdomeit, SAdye, TAgatonovic-Jovin, TAguilar-Saavedra, JAAgustoni, MAhlen, SPAhmadov, FAielli, GAkerstedt, HÅkesson, TPAAkimoto, GAkimov, AVAlberghi, GLAlbert, JAlbrand, SAlconada Verzini, MJAleksa, MAleksandrov, INAlexa, CAlexander, GAlexandre, GAlexopoulos, TAlhroob, MAlimonti, GAlio, LAlison, JAllbrooke, BMMAllison, LJAllport, PPAloisio, AAlonso, AAlonso, FAlpigiani, CAltheimer, AAlvarez Gonzalez, BAlviggi, MGAmako, KAmaral Coutinho, YAmelung, CAmidei, DAmor Dos Santos, SPAmorim, AAmoroso, SAmram, NAmundsen, GAnastopoulos, CAncu, LSAndari, NAndeen, TAnders, CFAnders, GAnderson, KJAndreazza, AAndrei, VAnduaga, XSAngelidakis, SAngelozzi, IAnger, PAngerami, AAnghinolfi, FAnisenkov, AVAnjos, NAnnovi, AAntonelli, MAntonov, AAntos, JAnulli, FAoki, MAperio Bella, LArabidze, GArai, YAraque, JPArce, ATHArduh, FAArguin, J-FArgyropoulos, SArik, MArmbruster, AJArnaez, OArnal, VArnold, HArratia, MArslan, O2015-05-01A search is presented for the direct pair production of a chargino and a neutralino [Formula: see text], where the chargino decays to the lightest neutralino and the [Formula: see text] boson, [Formula: see text], while the neutralino decays to the lightest neutralino and the 125 GeV Higgs boson, [Formula: see text]. The final states considered for the search have large missing transverse momentum, an isolated electron or muon, and one of the following: either two jets identified as originating from bottom quarks, or two photons, or a second electron or muon with the same electric charge. The analysis is based on 20.3 [Formula: see text] of [Formula: see text] proton-proton collision data delivered by the Large Hadron Collider and recorded with the ATLAS detector. Observations are consistent with the Standard Model expectations, and limits are set in the context of a simplified supersymmetric model.5106 Nuclear and Plasma Physics (for-2020)5107 Particle and High Energy Physics (for-2020)51 Physical Sciences (for-2020)ATLAS Collaborationhep-exhep-ex0202 AtomicMolecularNuclearParticle and Plasma Physics (for)0206 Quantum Physics (for)Nuclear & Particles Physics (science-metrix)5101 Astronomical sciences (for-2020)5102 Atomicmolecular and optical physics (for-2020)5107 Particle and high energy physics (for-2020)application/pdfCC-BYeScholarship, University of Californiahttps://escholarship.org/uc/item/7tp9r24khttps://escholarship.org/content/qt7tp9r24k/qt7tp9r24k.pdfinfo:doi/10.1140/epjc/s10052-015-3408-7articleEuropean Physical Journal C, vol 75, iss 5208oai:escholarship.org:ark:/13030/qt57j6n1xf2026-04-04T11:19:08Zqt57j6n1xfSearch for pair-produced long-lived neutral particles decaying to jets in the ATLAS hadronic calorimeter in pp collisions at s=8 TeVCollaboration, ATLASAad, GAbbott, BAbdallah, JKhalek, S AbdelAbdinov, OAben, RAbi, BAbolins, MAbouZeid, OSAbramowicz, HAbreu, HAbreu, RAbulaiti, YAcharya, BSAdamczyk, LAdams, DLAdelman, JAdomeit, SAdye, TAgatonovic-Jovin, TAguilar-Saavedra, JAAgustoni, MAhlen, SPAhmadov, FAielli, GAkerstedt, HÅkesson, TPAAkimoto, GAkimov, AVAlberghi, GLAlbert, JAlbrand, SVerzini, MJ AlconadaAleksa, MAleksandrov, INAlexa, CAlexander, GAlexandre, GAlexopoulos, TAlhroob, MAlimonti, GAlio, LAlison, JAllbrooke, BMMAllison, LJAllport, PPAloisio, AAlonso, AAlonso, FAlpigiani, CAltheimer, AGonzalez, B AlvarezAlviggi, MGAmako, KCoutinho, Y AmaralAmelung, CAmidei, DDos Santos, SP AmorAmorim, AAmoroso, SAmram, NAmundsen, GAnastopoulos, CAncu, LSAndari, NAndeen, TAnders, CFAnders, GAnderson, KJAndreazza, AAndrei, VAnduaga, XSAngelidakis, SAngelozzi, IAnger, PAngerami, AAnghinolfi, FAnisenkov, AVAnjos, NAnnovi, AAntonaki, AAntonelli, MAntonov, AAntos, JAnulli, FAoki, MBella, L AperioApolle, RArabidze, GAracena, IArai, YAraque, JPArce, ATHArguin, J-FArgyropoulos, SArik, MArmbruster, AJArnaez, OArnal, V2015-04-01The ATLAS detector at the Large Hadron Collider at CERN is used to search for the decay of a scalar boson to a pair of long-lived particles, neutral under the Standard Model gauge group, in 20.3 fb−1 of data collected in proton–proton collisions at s=8 TeV. This search is sensitive to long-lived particles that decay to Standard Model particles producing jets at the outer edge of the ATLAS electromagnetic calorimeter or inside the hadronic calorimeter. No significant excess of events is observed. Limits are reported on the product of the scalar boson production cross section times branching ratio into long-lived neutral particles as a function of the proper lifetime of the particles. Limits are reported for boson masses from 100 GeV to 900 GeV, and a long-lived neutral particle mass from 10 GeV to 150 GeV.5106 Nuclear and Plasma Physics (for-2020)5107 Particle and High Energy Physics (for-2020)51 Physical Sciences (for-2020)High-energy collider experimentLong-lived neutral particleNew physicshep-exhep-ex0105 Mathematical Physics (for)0201 Astronomical and Space Sciences (for)0202 AtomicMolecularNuclearParticle and Plasma Physics (for)Nuclear & Particles Physics (science-metrix)49 Mathematical sciences (for-2020)51 Physical sciences (for-2020)application/pdfCC-BYeScholarship, University of Californiahttps://escholarship.org/uc/item/57j6n1xfhttps://escholarship.org/content/qt57j6n1xf/qt57j6n1xf.pdfinfo:doi/10.1016/j.physletb.2015.02.015articlePhysics Letters B, vol 74315 - 34oai:escholarship.org:ark:/13030/qt74q0z3nf2026-04-04T11:18:58Zqt74q0z3nfSearch for charged Higgs bosons decaying via H± → τ±ν in fully hadronic final states using pp collision data at s = 8 TeV with the ATLAS detectorThe ATLAS collaborationAad, GAbbott, BAbdallah, JAbdel Khalek, SAbdinov, OAben, RAbi, BAbolins, MAbouZeid, OSAbramowicz, HAbreu, HAbreu, RAbulaiti, YAcharya, BSAdamczyk, LAdams, DLAdelman, JAdomeit, SAdye, TAgatonovic-Jovin, TAguilar-Saavedra, JAAgustoni, MAhlen, SPAhmadov, FAielli, GAkerstedt, HÅkesson, TPAAkimoto, GAkimov, AVAlberghi, GLAlbert, JAlbrand, SAlconada Verzini, MJAleksa, MAleksandrov, INAlexa, CAlexander, GAlexandre, GAlexopoulos, TAlhroob, MAlimonti, GAlio, LAlison, JAllbrooke, BMMAllison, LJAllport, PPAloisio, AAlonso, AAlonso, FAlpigiani, CAltheimer, AAlvarez Gonzalez, BAlviggi, MGAmako, KAmaral Coutinho, YAmelung, CAmidei, DAmor Dos Santos, SPAmorim, AAmoroso, SAmram, NAmundsen, GAnastopoulos, CAncu, LSAndari, NAndeen, TAnders, CFAnders, GAnderson, KJAndreazza, AAndrei, VAnduaga, XSAngelidakis, SAngelozzi, IAnger, PAngerami, AAnghinolfi, FAnisenkov, AVAnjos, NAnnovi, AAntonelli, MAntonov, AAntos, JAnulli, FAoki, MAperio Bella, LArabidze, GAracena, IArai, YAraque, JPArce, ATHArduh, FAArguin, J-FArgyropoulos, SArik, MArmbruster, AJArnaez, OArnal, VArnold, H2015-03-01The results of a search for charged Higgs bosons decaying to a τ lepton and a neutrino, H± → τ±ν, are presented. The analysis is based on 19.5 fb−1 of proton-proton collision data at s$$ \sqrt{s} $$ = 8 TeV collected by the ATLAS experiment at the Large Hadron Collider. Charged Higgs bosons are searched for in events consistent with top-quark pair production or in associated production with a top quark, depending on the considered H± mass. The final state is characterised by the presence of a hadronic τ decay, missing transverse momentum, b-tagged jets, a hadronically decaying W boson, and the absence of any isolated electrons or muons with high transverse momenta. The data are consistent with the expected background from Standard Model processes. A statistical analysis leads to 95% confidence-level upper limits on the product of branching ratios ℬ(t → bH±) × ℬ(H± → τ±ν), between 0.23% and 1.3% for charged Higgs boson masses in the range 80-160GeV. It also leads to 95% confidence-level upper limits on the production cross section times branching ratio, σ(pp → tH± + X) × ℬ(H± → τ±ν), between 0.76 pb and 4.5 fb, for charged Higgs boson masses ranging from 180 GeV to 1000 GeV. In the context of different scenarios of the Minimal Supersymmetric Standard Model, these results exclude nearly all values of tan β above one for charged Higgs boson masses between 80 GeV and 160 GeV, and exclude a region of parameter space with high tan β for H± masses between 200 GeV and 250 GeV.5106 Nuclear and Plasma Physics (for-2020)5107 Particle and High Energy Physics (for-2020)51 Physical Sciences (for-2020)SupersymmetryHadron-Hadron ScatteringBeyond Standard ModelHiggs physicshep-exhep-ex0105 Mathematical Physics (for)0202 AtomicMolecularNuclearParticle and Plasma Physics (for)0206 Quantum Physics (for)Nuclear & Particles Physics (science-metrix)4902 Mathematical physics (for-2020)5106 Nuclear and plasma physics (for-2020)5107 Particle and high energy physics (for-2020)application/pdfCC-BYeScholarship, University of Californiahttps://escholarship.org/uc/item/74q0z3nfhttps://escholarship.org/content/qt74q0z3nf/qt74q0z3nf.pdfinfo:doi/10.1007/jhep03(2015)088articleJournal of High Energy Physics, vol 2015, iss 388oai:escholarship.org:ark:/13030/qt80v5h2032026-04-04T11:18:43Zqt80v5h203Search for contact interactions and large extra dimensions in the dilepton channel using proton–proton collisions at s= 8 TeV with the ATLAS detectorATLAS CollaborationAad, GAbbott, BAbdallah, JAbdel Khalek, SAbdinov, OAben, RAbi, BAbolins, MAbouZeid, OSAbramowicz, HAbreu, HAbreu, RAbulaiti, YAcharya, BSAdamczyk, LAdams, DLAdelman, JAdomeit, SAdye, TAgatonovic-Jovin, TAguilar-Saavedra, JAAgustoni, MAhlen, SPAhmadov, FAielli, GAkerstedt, HÅkesson, TPAAkimoto, GAkimov, AVAlberghi, GLAlbert, JAlbrand, SAlconada Verzini, MJAleksa, MAleksandrov, INAlexa, CAlexander, GAlexandre, GAlexopoulos, TAlhroob, MAlimonti, GAlio, LAlison, JAllbrooke, BMMAllison, LJAllport, PPAlmond, JAloisio, AAlonso, AAlonso, FAlpigiani, CAltheimer, AAlvarez Gonzalez, BAlviggi, MGAmako, KAmaral Coutinho, YAmelung, CAmidei, DAmor Dos Santos, SPAmorim, AAmoroso, SAmram, NAmundsen, GAnastopoulos, CAncu, LSAndari, NAndeen, TAnders, CFAnders, GAnderson, KJAndreazza, AAndrei, VAnduaga, XSAngelidakis, SAngelozzi, IAnger, PAngerami, AAnghinolfi, FAnisenkov, AVAnjos, NAnnovi, AAntonaki, AAntonelli, MAntonov, AAntos, JAnulli, FAoki, MAperio Bella, LApolle, RArabidze, GAracena, IArai, YAraque, JPArce, ATHArguin, J-FArgyropoulos, SArik, MArmbruster, AJArnaez, O2014-12-01A search is conducted for non-resonant new phenomena in dielectron and dimuon final states, originating from either contact interactions or large extra spatial dimensions. The LHC 2012 proton–proton collision dataset recorded by the ATLAS detector is used, corresponding to 20 fb-1$$^{-1}$$ at s$$\sqrt{s}$$ = 8 TeV. The dilepton invariant mass spectrum is a discriminating variable in both searches, with the contact interaction search additionally utilizing the dilepton forward-backward asymmetry. No significant deviations from the Standard Model expectation are observed. Lower limits are set on the ℓℓqq$$\ell \ell q q$$ contact interaction scale Λ$$\Lambda $$ between 15.4 TeV and 26.3 TeV, at the 95 % credibility level. For large extra spatial dimensions, lower limits are set on the string scale MS$$M_\mathrm{S}$$ between 3.2 TeV to 5.0 TeV.5106 Nuclear and Plasma Physics (for-2020)5107 Particle and High Energy Physics (for-2020)51 Physical Sciences (for-2020)ATLAS CollaborationATLAS Collaborationhep-exhep-ex0202 AtomicMolecularNuclearParticle and Plasma Physics (for)0206 Quantum Physics (for)Nuclear & Particles Physics (science-metrix)5101 Astronomical sciences (for-2020)5102 Atomicmolecular and optical physics (for-2020)5107 Particle and high energy physics (for-2020)application/pdfCC-BYeScholarship, University of Californiahttps://escholarship.org/uc/item/80v5h203https://escholarship.org/content/qt80v5h203/qt80v5h203.pdfinfo:doi/10.1140/epjc/s10052-014-3134-6articleEuropean Physical Journal C, vol 74, iss 123134oai:escholarship.org:ark:/13030/qt7056z3zf2026-04-04T11:18:32Zqt7056z3zfMeasurement of the muon reconstruction performance of the ATLAS detector using 2011 and 2012 LHC proton–proton collision dataATLAS CollaborationAad, GAbbott, BAbdallah, JAbdel Khalek, SAbdinov, OAben, RAbi, BAbolins, MAbouZeid, OSAbramowicz, HAbreu, HAbreu, RAbulaiti, YAcharya, BSAdamczyk, LAdams, DLAdelman, JAdomeit, SAdye, TAgatonovic-Jovin, TAguilar-Saavedra, JAAgustoni, MAhlen, SPAhmadov, FAielli, GAkerstedt, HÅkesson, TPAAkimoto, GAkimov, AVAlberghi, GLAlbert, JAlbrand, SAlconada Verzini, MJAleksa, MAleksandrov, INAlexa, CAlexander, GAlexandre, GAlexopoulos, TAlhroob, MAlimonti, GAlio, LAlison, JAllbrooke, BMMAllison, LJAllport, PPAlmond, JAloisio, AAlonso, AAlonso, FAlpigiani, CAltheimer, AAlvarez Gonzalez, BAlviggi, MGAmako, KAmaral Coutinho, YAmelung, CAmidei, DAmor Dos Santos, SPAmorim, AAmoroso, SAmram, NAmundsen, GAnastopoulos, CAncu, LSAndari, NAndeen, TAnders, CFAnders, GAnderson, KJAndreazza, AAndrei, VAnduaga, XSAngelidakis, SAngelozzi, IAnger, PAngerami, AAnghinolfi, FAnisenkov, AVAnjos, NAnnovi, AAntonaki, AAntonelli, MAntonov, AAntos, JAnulli, FAoki, MAperio Bella, LApolle, RArabidze, GAracena, IArai, YAraque, JPArce, ATHArguin, J-FArgyropoulos, SArik, MArmbruster, AJArnaez, O2014-11-01This paper presents the performance of the ATLAS muon reconstruction during the LHC run with [Formula: see text] collisions at [Formula: see text]-8 TeV in 2011-2012, focusing mainly on data collected in 2012. Measurements of the reconstruction efficiency and of the momentum scale and resolution, based on large reference samples of [Formula: see text], [Formula: see text] and [Formula: see text] decays, are presented and compared to Monte Carlo simulations. Corrections to the simulation, to be used in physics analysis, are provided. Over most of the covered phase space (muon [Formula: see text] and [Formula: see text] GeV) the efficiency is above [Formula: see text] and is measured with per-mille precision. The momentum resolution ranges from [Formula: see text] at central rapidity and for transverse momentum [Formula: see text] GeV, to [Formula: see text] at large rapidity and [Formula: see text] GeV. The momentum scale is known with an uncertainty of [Formula: see text] to [Formula: see text] depending on rapidity. A method for the recovery of final state radiation from the muons is also presented.5106 Nuclear and Plasma Physics (for-2020)5107 Particle and High Energy Physics (for-2020)51 Physical Sciences (for-2020)Bioengineering (rcdc)ATLAS CollaborationATLAS Collaborationhep-exhep-ex0202 AtomicMolecularNuclearParticle and Plasma Physics (for)0206 Quantum Physics (for)Nuclear & Particles Physics (science-metrix)5101 Astronomical sciences (for-2020)5102 Atomicmolecular and optical physics (for-2020)5107 Particle and high energy physics (for-2020)application/pdfCC-BYeScholarship, University of Californiahttps://escholarship.org/uc/item/7056z3zfhttps://escholarship.org/content/qt7056z3zf/qt7056z3zf.pdfinfo:doi/10.1140/epjc/s10052-014-3130-xarticleEuropean Physical Journal C, vol 74, iss 113130oai:escholarship.org:ark:/13030/qt6bq6z4h62026-04-04T11:18:21Zqt6bq6z4h6Measurement of distributions sensitive to the underlying event in inclusive Z-boson production in pp collisions at s=7 TeV with the ATLAS detectorATLAS CollaborationAad, GAbbott, BAbdallah, JAbdel Khalek, SAbdinov, OAben, RAbi, BAbolins, MAbouZeid, OSAbramowicz, HAbreu, HAbreu, RAbulaiti, YAcharya, BSAdamczyk, LAdams, DLAdelman, JAdomeit, SAdye, TAgatonovic-Jovin, TAguilar-Saavedra, JAAgustoni, MAhlen, SPAhmadov, FAielli, GAkerstedt, HÅkesson, TPAAkimoto, GAkimov, AVAlberghi, GLAlbert, JAlbrand, SAlconada Verzini, MJAleksa, MAleksandrov, INAlexa, CAlexander, GAlexandre, GAlexopoulos, TAlhroob, MAlimonti, GAlio, LAlison, JAllbrooke, BMMAllison, LJAllport, PPAlmond, JAloisio, AAlonso, AAlonso, FAlpigiani, CAltheimer, AAlvarez Gonzalez, BAlviggi, MGAmako, KAmaral Coutinho, YAmelung, CAmidei, DAmor Dos Santos, SPAmorim, AAmoroso, SAmram, NAmundsen, GAnastopoulos, CAncu, LSAndari, NAndeen, TAnders, CFAnders, GAnderson, KJAndreazza, AAndrei, VAnduaga, XSAngelidakis, SAngelozzi, IAnger, PAngerami, AAnghinolfi, FAnisenkov, AVAnjos, NAnnovi, AAntonaki, AAntonelli, MAntonov, AAntos, JAnulli, FAoki, MAperio Bella, LApolle, RArabidze, GAracena, IArai, YAraque, JPArce, ATHArguin, J-FArgyropoulos, SArik, MArmbruster, AJArnaez, O2014-12-01A measurement of charged-particle distributions sensitive to the properties of the underlying event is presented for an inclusive sample of events containing a [Formula: see text]-boson, decaying to an electron or muon pair. The measurement is based on data collected using the ATLAS detector at the LHC in proton-proton collisions at a centre-of-mass energy of [Formula: see text] TeV with an integrated luminosity of [Formula: see text] fb[Formula: see text]. Distributions of the charged particle multiplicity and of the charged particle transverse momentum are measured in regions of azimuthal angle defined with respect to the [Formula: see text]-boson direction. The measured distributions are compared to similar distributions measured in jet events, and to the predictions of various Monte Carlo generators implementing different underlying event models.5106 Nuclear and Plasma Physics (for-2020)5107 Particle and High Energy Physics (for-2020)51 Physical Sciences (for-2020)ATLAS CollaborationATLAS Collaborationhep-exhep-ex0202 AtomicMolecularNuclearParticle and Plasma Physics (for)0206 Quantum Physics (for)Nuclear & Particles Physics (science-metrix)5101 Astronomical sciences (for-2020)5102 Atomicmolecular and optical physics (for-2020)5107 Particle and high energy physics (for-2020)application/pdfCC-BYeScholarship, University of Californiahttps://escholarship.org/uc/item/6bq6z4h6https://escholarship.org/content/qt6bq6z4h6/qt6bq6z4h6.pdfinfo:doi/10.1140/epjc/s10052-014-3195-6articleEuropean Physical Journal C, vol 74, iss 123195oai:escholarship.org:ark:/13030/qt620321qn2026-04-04T11:18:10Zqt620321qnMeasurement of flow harmonics with multi-particle cumulants in Pb+Pb collisions at sNN=2.76 TeV with the ATLAS detectorATLAS CollaborationAad, GAbbott, BAbdallah, JAbdel Khalek, SAbdinov, OAben, RAbi, BAbolins, MAbouZeid, OSAbramowicz, HAbreu, HAbreu, RAbulaiti, YAcharya, BSAdamczyk, LAdams, DLAdelman, JAdomeit, SAdye, TAgatonovic-Jovin, TAguilar-Saavedra, JAAgustoni, MAhlen, SPAhmadov, FAielli, GAkerstedt, HÅkesson, TPAAkimoto, GAkimov, AVAlberghi, GLAlbert, JAlbrand, SAlconada Verzini, MJAleksa, MAleksandrov, INAlexa, CAlexander, GAlexandre, GAlexopoulos, TAlhroob, MAlimonti, GAlio, LAlison, JAllbrooke, BMMAllison, LJAllport, PPAlmond, JAloisio, AAlonso, AAlonso, FAlpigiani, CAltheimer, AAlvarez Gonzalez, BAlviggi, MGAmako, KAmaral Coutinho, YAmelung, CAmidei, DAmor Dos Santos, SPAmorim, AAmoroso, SAmram, NAmundsen, GAnastopoulos, CAncu, LSAndari, NAndeen, TAnders, CFAnders, GAnderson, KJAndreazza, AAndrei, VAnduaga, XSAngelidakis, SAngelozzi, IAnger, PAngerami, AAnghinolfi, FAnisenkov, AVAnjos, NAnnovi, AAntonaki, AAntonelli, MAntonov, AAntos, JAnulli, FAoki, MAperio Bella, LApolle, RArabidze, GAracena, IArai, YAraque, JPArce, ATHArguin, J-FArgyropoulos, SArik, MArmbruster, AJArnaez, O2014-11-01ATLAS measurements of the azimuthal anisotropy in lead–lead collisions at sNN=2.76$$\sqrt{s_{\mathrm {NN}}}=2.76$$ TeV are shown using a dataset of approximately 7 μ$$\upmu $$b-1$$^{-1}$$ collected at the LHC in 2010. The measurements are performed for charged particles with transverse momenta 0.55106 Nuclear and Plasma Physics (for-2020)5107 Particle and High Energy Physics (for-2020)51 Physical Sciences (for-2020)ATLAS Collaborationhep-exhep-ex0202 AtomicMolecularNuclearParticle and Plasma Physics (for)0206 Quantum Physics (for)Nuclear & Particles Physics (science-metrix)5101 Astronomical sciences (for-2020)5102 Atomicmolecular and optical physics (for-2020)5107 Particle and high energy physics (for-2020)application/pdfCC-BYeScholarship, University of Californiahttps://escholarship.org/uc/item/620321qnhttps://escholarship.org/content/qt620321qn/qt620321qn.pdfinfo:doi/10.1140/epjc/s10052-014-3157-zarticleEuropean Physical Journal C, vol 74, iss 113157oai:escholarship.org:ark:/13030/qt7359715x2026-04-04T11:16:44Zqt7359715xLight-quark and gluon jet discrimination in pp collisions at s=7TeV with the ATLAS detectorAad, GAbbott, BAbdallah, JAbdel Khalek, SAbdinov, OAben, RAbi, BAbolins, MAbouZeid, OSAbramowicz, HAbreu, HAbreu, RAbulaiti, YAcharya, BSAdamczyk, LAdams, DLAdelman, JAdomeit, SAdye, TAgatonovic-Jovin, TAguilar-Saavedra, JAAgustoni, MAhlen, SPAhmad, AAhmadov, FAielli, GÅkesson, TPAAkimoto, GAkimov, AVAlbert, JAlbrand, SAlconada Verzini, MJAleksa, MAleksandrov, INAlexa, CAlexander, GAlexandre, GAlexopoulos, TAlhroob, MAlimonti, GAlio, LAlison, JAllbrooke, BMMAllison, LJAllport, PPAllwood-Spiers, SEAlmond, JAloisio, AAlonso, AAlonso, FAlpigiani, CAltheimer, AAlvarez Gonzalez, BAlviggi, MGAmako, KAmaral Coutinho, YAmelung, CAmidei, DAmor Dos Santos, SPAmorim, AAmoroso, SAmram, NAmundsen, GAnastopoulos, CAncu, LSAndari, NAndeen, TAnders, CFAnders, GAnderson, KJAndreazza, AAndrei, VAnduaga, XSAngelidakis, SAngelozzi, IAnger, PAngerami, AAnghinolfi, FAnisenkov, AVAnjos, NAnnovi, AAntonaki, AAntonelli, MAntonov, AAntos, JAnulli, FAoki, MAperio Bella, LApolle, RArabidze, GAracena, IArai, YAraque, JPArce, ATHArguin, J-FArgyropoulos, SArik, MArmbruster, AJArnaez, OArnal, V2014-08-01A likelihood-based discriminant for the identification of quark- and gluon-initiated jets is built and validated using 4.7 fb-1$$^{-1}$$ of proton–proton collision data at s=7$$\sqrt{s}=7$$ TeV$$\mathrm {\ TeV}$$ collected with the ATLAS detector at the LHC. Data samples with enriched quark or gluon content are used in the construction and validation of templates of jet properties that are the input to the likelihood-based discriminant. The discriminating power of the jet tagger is established in both data and Monte Carlo samples within a systematic uncertainty of ≈$$\approx $$ 10–20 %. In data, light-quark jets can be tagged with an efficiency of ≈50%$$\approx 50\,\%$$ while achieving a gluon-jet mis-tag rate of ≈25%$$\approx 25\,\%$$ in a pT$$p_{\mathrm {T}}$$ range between 40GeV$$40\mathrm {\ GeV}$$ and 360GeV$$360\mathrm {\ GeV}$$ for jets in the acceptance of the tracker. The rejection of gluon-jets found in the data is significantly below what is attainable using a Pythia 6 Monte Carlo simulation, where gluon-jet mis-tag rates of 10 % can be reached for a 50 % selection efficiency of light-quark jets using the same jet properties.5106 Nuclear and Plasma Physics (for-2020)5107 Particle and High Energy Physics (for-2020)51 Physical Sciences (for-2020)ATLAS CollaborationATLAS Collaborationhep-exhep-ex0202 AtomicMolecularNuclearParticle and Plasma Physics (for)0206 Quantum Physics (for)Nuclear & Particles Physics (science-metrix)5101 Astronomical sciences (for-2020)5102 Atomicmolecular and optical physics (for-2020)5107 Particle and high energy physics (for-2020)application/pdfCC-BYeScholarship, University of Californiahttps://escholarship.org/uc/item/7359715xhttps://escholarship.org/content/qt7359715x/qt7359715x.pdfinfo:doi/10.1140/epjc/s10052-014-3023-zarticleEuropean Physical Journal C, vol 74, iss 83023oai:escholarship.org:ark:/13030/qt3x17p4hk2026-04-04T11:16:27Zqt3x17p4hkSearch for microscopic black holes and string balls in final states with leptons and jets with the ATLAS detector at s = 8 TeVThe ATLAS collaborationAad, GAbbott, BAbdallah, JKhalek, S AbdelAbdinov, OAben, RAbi, BAbolins, MAbouZeid, OSAbramowicz, HAbreu, HAbreu, RAbulaiti, YAcharya, BSAdamczyk, LAdams, DLAdelman, JAdomeit, SAdye, TAgatonovic-Jovin, TAguilar-Saavedra, JAAgustoni, MAhlen, SPAhmadov, FAielli, GAkerstedt, HÅkesson, TPAAkimoto, GAkimov, AVAlberghi, GLAlbert, JAlbrand, SAlconada Verzini, MJAleksa, MAleksandrov, INAlexa, CAlexander, GAlexandre, GAlexopoulos, TAlhroob, MAlimonti, GAlio, LAlison, JAllbrooke, BMMAllison, LJAllport, PPAlmond, JAloisio, AAlonso, AAlonso, FAlpigiani, CAltheimer, AAlvarez Gonzalez, BAlviggi, MGAmako, KAmaral Coutinho, YAmelung, CAmidei, DAmor Dos Santos, SPAmorim, AAmoroso, SAmram, NAmundsen, GAnastopoulos, CAncu, LSAndari, NAndeen, TAnders, CFAnders, GAnderson, KJAndreazza, AAndrei, VAnduaga, XSAngelidakis, SAngelozzi, IAnger, PAngerami, AAnghinolfi, FAnisenkov, AVAnjos, NAnnovi, AAntonaki, AAntonelli, MAntonov, AAntos, JAnulli, FAoki, MAperio Bella, LApolle, RArabidze, GAracena, IArai, YAraque, JPArce, ATHArguin, J-FArgyropoulos, SArik, MArmbruster, AJArnaez, O2014-08-01A search for an excess of events with multiple high transverse momentum objects including charged leptons and jets is presented, using 20.3 fb−1 of proton-proton collision data recorded by the ATLAS detector at the Large Hadron Collider in 2012 at a centre-of-mass energy of s$$ \sqrt{s} $$ = 8 TeV. No excess of events beyond Standard Model expectations is observed. Using extra-dimensional models for black hole and string ball production and decay, exclusion contours are determined as a function of the mass threshold for production and the fundamental gravity scale for two, four and six extra dimensions. For six extra dimensions, mass thresholds of 4.8-6.2 TeV are excluded at 95 % confidence level, depending on the fundamental gravity scale and model assumptions. Upper limits on the fiducial cross-sections for non-Standard Model production of these final states are set.5106 Nuclear and Plasma Physics (for-2020)5107 Particle and High Energy Physics (for-2020)51 Physical Sciences (for-2020)Hadron-Hadron Scatteringhep-exhep-ex0105 Mathematical Physics (for)0202 AtomicMolecularNuclearParticle and Plasma Physics (for)0206 Quantum Physics (for)Nuclear & Particles Physics (science-metrix)4902 Mathematical physics (for-2020)5106 Nuclear and plasma physics (for-2020)5107 Particle and high energy physics (for-2020)application/pdfCC-BYeScholarship, University of Californiahttps://escholarship.org/uc/item/3x17p4hkhttps://escholarship.org/content/qt3x17p4hk/qt3x17p4hk.pdfinfo:doi/10.1007/jhep08(2014)103articleJournal of High Energy Physics, vol 2014, iss 8103oai:escholarship.org:ark:/13030/qt942666zp2026-04-04T11:16:13Zqt942666zpElectron reconstruction and identification efficiency measurements with the ATLAS detector using the 2011 LHC proton–proton collision dataThe ATLAS CollaborationAad, GAbajyan, TAbbott, BAbdallah, JKhalek, S AbdelAbdinov, OAben, RAbi, BAbolins, MAbouZeid, OSAbramowicz, HAbreu, HAbulaiti, YAcharya, BSAdamczyk, LAdams, DLAddy, TNAdelman, JAdomeit, SAdye, TAgatonovic-Jovin, TAguilar-Saavedra, JAAgustoni, MAhlen, SPAhmad, AAhmadov, FAielli, GÅkesson, TPAAkimoto, GAkimov, AVAlbert, JAlbrand, SVerzini, MJ AlconadaAleksa, MAleksandrov, INAlexa, CAlexander, GAlexandre, GAlexopoulos, TAlhroob, MAlimonti, GAlio, LAlison, JAllbrooke, BMMAllison, LJAllport, PPAllwood-Spiers, SEAlmond, JAloisio, AAlon, RAlonso, AAlonso, FAlpigiani, CAltheimer, AGonzalez, B AlvarezAlviggi, MGAmako, KCoutinho, Y AmaralAmelung, CAmidei, DAmmosov, VVSantos, SP Amor DosAmorim, AAmoroso, SAmram, NAmundsen, GAnastopoulos, CAncu, LSAndari, NAndeen, TAnders, CFAnders, GAnderson, KJAndreazza, AAndrei, VAnduaga, XSAngelidakis, SAnger, PAngerami, AAnghinolfi, FAnisenkov, AVAnjos, NAnnovi, AAntonaki, AAntonelli, MAntonov, AAntos, JAnulli, FAoki, MBella, L AperioApolle, RArabidze, GAracena, IArai, YAraque, JPArce, ATHArguin, J-FArgyropoulos, SArik, M2014-07-01Many of the interesting physics processes to be measured at the LHC have a signature involving one or more isolated electrons. The electron reconstruction and identification efficiencies of the ATLAS detector at the LHC have been evaluated using proton–proton collision data collected in 2011 at s=7$$\sqrt{s}= 7$$ TeV and corresponding to an integrated luminosity of 4.7 fb-1$$^{-1}$$. Tag-and-probe methods using events with leptonic decays of W$$W$$ and Z$$Z$$ bosons and J/ψ$$J/\psi $$ mesons are employed to benchmark these performance parameters. The combination of all measurements results in identification efficiencies determined with an accuracy at the few per mil level for electron transverse energy greater than 30 GeV.5106 Nuclear and Plasma Physics (for-2020)5107 Particle and High Energy Physics (for-2020)51 Physical Sciences (for-2020)ATLAS CollaborationATLAS Collaborationhep-exhep-ex0202 AtomicMolecularNuclearParticle and Plasma Physics (for)0206 Quantum Physics (for)Nuclear & Particles Physics (science-metrix)5101 Astronomical sciences (for-2020)5102 Atomicmolecular and optical physics (for-2020)5107 Particle and high energy physics (for-2020)application/pdfCC-BYeScholarship, University of Californiahttps://escholarship.org/uc/item/942666zphttps://escholarship.org/content/qt942666zp/qt942666zp.pdfinfo:doi/10.1140/epjc/s10052-014-2941-0articleEuropean Physical Journal C, vol 74, iss 72941oai:escholarship.org:ark:/13030/qt0mf0m8212026-04-04T11:15:30Zqt0mf0m821Search for dark matter in events with a Z boson and missing transverse momentum in pp collisions at s=8 TeV with the ATLAS detectorAad, GAbajyan, TAbbott, BAbdallah, JKhalek, S AbdelAbdinov, OAben, RAbi, BAbolins, MAbouZeid, OSAbramowicz, HAbreu, HAbulaiti, YAcharya, BSAdamczyk, LAdams, DLAddy, TNAdelman, JAdomeit, SAdye, TAgatonovic-Jovin, TAguilar-Saavedra, JAAgustoni, MAhlen, SPAhmad, AAhmadov, FAielli, GÅkesson, TPAAkimoto, GAkimov, AVAlbert, JAlbrand, SVerzini, MJ AlconadaAleksa, MAleksandrov, INAlexa, CAlexander, GAlexandre, GAlexopoulos, TAlhroob, MAlimonti, GAlio, LAlison, JAllbrooke, BMMAllison, LJAllport, PPAllwood-Spiers, SEAlmond, JAloisio, AAlon, RAlonso, AAlonso, FAlpigiani, CAltheimer, AGonzalez, B AlvarezAlviggi, MGAmako, KCoutinho, Y AmaralAmelung, CAmmosov, VVDos Santos, SP AmorAmorim, AAmoroso, SAmram, NAmundsen, GAnastopoulos, CAncu, LSAndari, NAndeen, TAnders, CFAnders, GAnderson, KJAndreazza, AAndrei, VAnduaga, XSAngelidakis, SAnger, PAngerami, AAnghinolfi, FAnisenkov, AVAnjos, NAnnovi, AAntonaki, AAntonelli, MAntonov, AAntos, JAnulli, FAoki, MBella, L AperioApolle, RArabidze, GAracena, IArai, YAraque, JPArce, ATHArguin, J-FArgyropoulos, SArik, MArmbruster, AJArnaez, O2014-07-01A search is presented for production of dark-matter particles recoiling against a leptonically decaying Z boson in 20.3fb-1 of pp collisions at s=8TeV with the ATLAS detector at the Large Hadron Collider. Events with large missing transverse momentum and two oppositely charged electrons or muons consistent with the decay of a Z boson are analyzed. No excess above the Standard Model prediction is observed. Limits are set on the mass scale of the contact interaction as a function of the dark-matter particle mass using an effective field theory description of the interaction of dark matter with quarks or with Z bosons. Limits are also set on the coupling and mediator mass of a model in which the interaction is mediated by a scalar particle. © 2014 CERN, for the ATLAS Collaboration.5106 Nuclear and Plasma Physics (for-2020)5107 Particle and High Energy Physics (for-2020)51 Physical Sciences (for-2020)hep-exhep-exapplication/pdfCC-BYeScholarship, University of Californiahttps://escholarship.org/uc/item/0mf0m821https://escholarship.org/content/qt0mf0m821/qt0mf0m821.pdfinfo:doi/10.1103/physrevd.90.012004articlePhysical Review D, vol 90, iss 1012004oai:escholarship.org:ark:/13030/qt3rc5s29t2026-04-04T11:15:01Zqt3rc5s29tSearch for direct top-squark pair production in final states with two leptons in pp collisions at = 8 TeV with the ATLAS detectorThe ATLAS collaborationAad, GAbajyan, TAbbott, BAbdallah, JAbdel Khalek, SAbdinov, OAben, RAbi, BAbolins, MAbouZeid, OSAbramowicz, HAbreu, HAbulaiti, YAcharya, BSAdamczyk, LAdams, DLAdelman, JAdomeit, SAdye, TAgatonovic-Jovin, TAguilar-Saavedra, JAAgustoni, MAhlen, SPAhmad, AAhmadov, FAielli, GÅkesson, TPAAkimoto, GAkimov, AVAlbert, JAlbrand, SVerzini, MJ AlconadaAleksa, MAleksandrov, INAlexa, CAlexander, GAlexandre, GAlexopoulos, TAlhroob, MAlimonti, GAlio, LAlison, JAllbrooke, BMMAllison, LJAllport, PPAllwood-Spiers, SEAlmond, JAloisio, AAlon, RAlonso, AAlonso, FAlpigiani, CAltheimer, AGonzalez, B AlvarezAlviggi, MGAmako, KCoutinho, Y AmaralAmelung, CAmidei, DAmmosov, VVSantos, SP Amor DosAmorim, AAmoroso, SAmram, NAmundsen, GAnastopoulos, CAncu, LSAndari, NAndeen, TAnders, CFAnders, GAnderson, KJAndreazza, AAndrei, VAnduaga, XSAngelidakis, SAnger, PAngerami, AAnghinolfi, FAnisenkov, AVAnjos, NAnnovi, AAntonaki, AAntonelli, MAntonov, AAntos, JAnulli, FAoki, MBella, L AperioApolle, RArabidze, GAracena, IArai, YAraque, JPArce, ATHArguin, J-FArgyropoulos, SArik, MArmbruster, AJ2014-06-01A search is presented for direct top-squark pair production in final states with two leptons (electrons or muons) of opposite charge using 20.3 fb−1 of pp collision data at $$ \sqrt{s} $$ = 8 TeV, collected by the ATLAS experiment at the Large Hadron Collider in 2012. No excess over the Standard Model expectation is found. The results are interpreted under the separate assumptions (i) that the top squark decays to a b-quark in addition to an on-shell chargino whose decay occurs via a real or virtual W boson, or (ii) that the top squark decays to a t-quark and the lightest neutralino. A top squark with a mass between 150 GeV and 445 GeV decaying to a b-quark and an on-shell chargino is excluded at 95% confidence level for a top squark mass equal to the chargino mass plus 10 GeV, in the case of a 1 GeV lightest neutralino. Top squarks with masses between 215 (90) GeV and 530 (170) GeV decaying to an on-shell (off-shell) t-quark and a neutralino are excluded at 95% confidence level for a 1 GeV neutralino.5106 Nuclear and Plasma Physics (for-2020)5107 Particle and High Energy Physics (for-2020)51 Physical Sciences (for-2020)Hardron-Hadron Scatteringhep-exhep-ex0105 Mathematical Physics (for)0202 AtomicMolecularNuclearParticle and Plasma Physics (for)0206 Quantum Physics (for)Nuclear & Particles Physics (science-metrix)4902 Mathematical physics (for-2020)5106 Nuclear and plasma physics (for-2020)5107 Particle and high energy physics (for-2020)application/pdfCC-BYeScholarship, University of Californiahttps://escholarship.org/uc/item/3rc5s29thttps://escholarship.org/content/qt3rc5s29t/qt3rc5s29t.pdfinfo:doi/10.1007/jhep06(2014)124articleJournal of High Energy Physics, vol 2014, iss 6124oai:escholarship.org:ark:/13030/qt8493f2rw2026-04-04T11:14:28Zqt8493f2rwMeasurement of the low-mass Drell-Yan differential cross section at s = 7 TeV using the ATLAS detectorThe ATLAS collaborationAad, GAbajyan, TAbbott, BAbdallah, JKhalek, S AbdelAbdinov, OAben, RAbi, BAbolins, MAbouZeid, OSAbramowicz, HAbreu, HAbulaiti, YAcharya, BSAdamczyk, LAdams, DLAdelman, JAdomeit, SAdye, TAgatonovic-Jovin, TAguilar-Saavedra, JAAgustoni, MAhlen, SPAhmad, AAhmadov, FAielli, GÅkesson, TPAAkimoto, GAkimov, AVAlbert, JAlbrand, SVerzini, MJ AlconadaAleksa, MAleksandrov, INAlexa, CAlexander, GAlexandre, GAlexopoulos, TAlhroob, MAlimonti, GAlio, LAlison, JAllbrooke, BMMAllison, LJAllport, PPAllwood-Spiers, SEAlmond, JAloisio, AAlon, RAlonso, AAlonso, FAlpigiani, CAltheimer, AGonzalez, B AlvarezAlviggi, MGAmako, KCoutinho, Y AmaralAmelung, CAmidei, DAmmosov, VVSantos, SP Amor DosAmorim, AAmoroso, SAmram, NAmundsen, GAnastopoulos, CAncu, LSAndari, NAndeen, TAnders, CFAnders, GAnderson, KJAndreazza, AAndrei, VAnduaga, XSAngelidakis, SAnger, PAngerami, AAnghinolfi, FAnisenkov, AVAnjos, NAnnovi, AAntonaki, AAntonelli, MAntonov, AAntos, JAnulli, FAoki, MBella, L AperioApolle, RArabidze, GAracena, IArai, YAraque, JPArce, ATHArguin, J-FArgyropoulos, SArik, MArmbruster, AJ2014-06-01The differential cross section for the process Z/γ∗ → ℓℓ (ℓ = e, μ) as a function of dilepton invariant mass is measured in pp collisions at s$$ \sqrt{s} $$ = 7 TeV at the LHC using the ATLAS detector. The measurement is performed in the e and μ channels for invariant masses between 26 GeV and 66 GeV using an integrated luminosity of 1.6 fb−1 collected in 2011 and these measurements are combined. The analysis is extended to invariant masses as low as 12 GeV in the muon channel using 35 pb−1 of data collected in 2010. The cross sections are determined within fiducial acceptance regions and corrections to extrapolate the measurements to the full kinematic range are provided. Next-to-next-to-leading-order QCD predictions provide a significantly better description of the results than next-to-leading-order QCD calculations, unless the latter are matched to a parton shower calculation.5106 Nuclear and Plasma Physics (for-2020)5107 Particle and High Energy Physics (for-2020)4902 Mathematical Physics (for-2020)49 Mathematical Sciences (for-2020)51 Physical Sciences (for-2020)Hadron-Hadron Scatteringhep-exhep-ex0105 Mathematical Physics (for)0202 AtomicMolecularNuclearParticle and Plasma Physics (for)0206 Quantum Physics (for)Nuclear & Particles Physics (science-metrix)4902 Mathematical physics (for-2020)5106 Nuclear and plasma physics (for-2020)5107 Particle and high energy physics (for-2020)application/pdfCC-BYeScholarship, University of Californiahttps://escholarship.org/uc/item/8493f2rwhttps://escholarship.org/content/qt8493f2rw/qt8493f2rw.pdfinfo:doi/10.1007/jhep06(2014)112articleJournal of High Energy Physics, vol 2014, iss 6112oai:escholarship.org:ark:/13030/qt40f0271g2026-04-04T11:14:01Zqt40f0271gThe differential production cross section of the ϕ(1020) meson in s = 7 TeV pp collisions measured with the ATLAS detectorThe ATLAS CollaborationAad, GAbajyan, TAbbott, BAbdallah, JAbdel Khalek, SAbdelalim, AAAbdinov, OAben, RAbi, BAbolins, MAbouZeid, OSAbramowicz, HAbreu, HAcharya, BSAdamczyk, LAdams, DLAddy, TNAdelman, JAdomeit, SAdragna, PAdye, TAefsky, SAguilar-Saavedra, JAAgustoni, MAharrouche, MAhlen, SPAhles, FAhmad, AAhsan, MAielli, GÅkesson, TPAAkimoto, GAkimov, AVAlam, MSAlam, MAAlbert, JAlbrand, SAleksa, MAleksandrov, INAlessandria, FAlexa, CAlexander, GAlexandre, GAlexopoulos, TAlhroob, MAliev, MAlimonti, GAlison, JAllbrooke, BMMAllport, PPAllwood-Spiers, SEAlmond, JAloisio, AAlon, RAlonso, AAlonso, FAltheimer, AAlvarez Gonzalez, BAlviggi, MGAmako, KAmelung, CAmmosov, VVAmor Dos Santos, SPAmorim, AAmram, NAnastopoulos, CAncu, LSAndari, NAndeen, TAnders, CFAnders, GAnderson, KJAndreazza, AAndrei, VAndrieux, M-LAnduaga, XSAngelidakis, SAnger, PAngerami, AAnghinolfi, FAnisenkov, AAnjos, NAnnovi, AAntonaki, AAntonelli, MAntonov, AAntos, JAnulli, FAoki, MAoun, SAperio Bella, LApolle, RArabidze, GAracena, IArai, YArce, ATHArfaoui, SArguin, J-FArgyropoulos, S2014-07-01A measurement is presented of the ϕ×BR(ϕ→K+K-)$$\phi \times \mathcal {BR}(\phi \rightarrow K^{+}K^{-})$$ production cross section at s$$\sqrt{s}$$ = 7 TeV using pp$$pp$$ collision data corresponding to an integrated luminosity of 383 μb-1$$\mathrm {\upmu b^{-1}}$$, collected with the ATLAS experiment at the LHC. Selection of ϕ$$\phi $$(1020) mesons is based on the identification of charged kaons by their energy loss in the pixel detector. The differential cross section is measured as a function of the transverse momentum, pT,ϕ$$p_{\mathrm {T,\phi }}$$, and rapidity, yϕ$$y_{\phi }$$, of the ϕ$$\phi $$(1020) meson in the fiducial region 500 $$p_{\mathrm {T},K}>$$ 230 MeV and kaon momentum pK<$$p_{K}<$$ 800 MeV. The integrated ϕ(1020)$$\phi (1020)$$-meson production cross section in this fiducial range is measured to be σϕ×BR(ϕ→K+K-)$$\sigma _{\phi } \times \mathcal {BR}(\phi \rightarrow K^{+}K^{-}) $$ = 570 ±$$\pm $$ 8 (stat) ±$$\pm $$ 66 (syst) ±$$\pm $$ 20 (lumi) μb$$\mathrm {\upmu b}$$.5106 Nuclear and Plasma Physics (for-2020)5107 Particle and High Energy Physics (for-2020)51 Physical Sciences (for-2020)ATLAS CollaborationATLAS Collaborationhep-exhep-ex0202 AtomicMolecularNuclearParticle and Plasma Physics (for)0206 Quantum Physics (for)Nuclear & Particles Physics (science-metrix)5101 Astronomical sciences (for-2020)5102 Atomicmolecular and optical physics (for-2020)5107 Particle and high energy physics (for-2020)application/pdfCC-BYeScholarship, University of Californiahttps://escholarship.org/uc/item/40f0271ghttps://escholarship.org/content/qt40f0271g/qt40f0271g.pdfinfo:doi/10.1140/epjc/s10052-014-2895-2articleEuropean Physical Journal C, vol 74, iss 72895oai:escholarship.org:ark:/13030/qt5dk7d8722026-04-04T11:13:19Zqt5dk7d872Measurement of the top quark pair production charge asymmetry in proton-proton collisions at = 7 TeV using the ATLAS detectorThe ATLAS collaborationAad, GAbajyan, TAbbott, BAbdallah, JAbdel Khalek, SAbdinov, OAben, RAbi, BAbolins, MAbouZeid, OSAbramowicz, HAbreu, HAbulaiti, YAcharya, BSAdamczyk, LAdams, DLAddy, TNAdelman, JAdomeit, SAdye, TAefsky, SAgatonovic-Jovin, TAguilar-Saavedra, JAAgustoni, MAhlen, SPAhmad, AAhmadov, FAielli, GÅkesson, TPAAkimoto, GAkimov, AVAlam, MAAlbert, JAlbrand, SAlconada Verzini, MJAleksa, MAleksandrov, INAlessandria, FAlexa, CAlexander, GAlexandre, GAlexopoulos, TAlhroob, MAliev, MAlimonti, GAlio, LAlison, JAllbrooke, BMMAllison, LJAllport, PPAllwood-Spiers, SEAlmond, JAloisio, AAlon, RAlonso, AAlonso, FAltheimer, AAlvarez Gonzalez, BAlviggi, MGAmako, KAmaral Coutinho, YAmelung, CAmmosov, VVAmor Dos Santos, SPAmorim, AAmoroso, SAmram, NAmundsen, GAnastopoulos, CAncu, LSAndari, NAndeen, TAnders, CFAnders, GAnderson, KJAndreazza, AAndrei, VAnduaga, XSAngelidakis, SAnger, PAngerami, AAnghinolfi, FAnisenkov, AVAnjos, NAnnovi, AAntonaki, AAntonelli, MAntonov, AAntos, JAnulli, FAoki, MAperio Bella, LApolle, RArabidze, GAracena, IArai, YArce, ATHArfaoui, SArguin, J-F2014-02-01This paper presents a measurement of the top quark pair ($$ t\overline{t} $$) production charge asymmetry AC using 4.7 fb−1 of proton-proton collisions at a centre-of-mass energy $$ \sqrt{s} $$ = 7 TeV collected by the ATLAS detector at the LHC. A $$ t\overline{t} $$-enriched sample of events with a single lepton (electron or muon), missing transverse momentum and at least four high transverse momentum jets, of which at least one is tagged as coming from a b-quark, is selected. A likelihood fit is used to reconstruct the $$ t\overline{t} $$ event kinematics. A Bayesian unfolding procedure is employed to estimate AC at the parton-level. The measured value of the $$ t\overline{t} $$ production charge asymmetry is AC = 0.006 ± 0.010, where the uncertainty includes both the statistical and the systematic components. Differential AC measurements as a function of the invariant mass, the rapidity and the transverse momentum of the $$ t\overline{t} $$ system are also presented. In addition, AC is measured for a subset of events with large $$ t\overline{t} $$ velocity, where physics beyond the Standard Model could contribute. All measurements are consistent with the Standard Model predictions.5106 Nuclear and Plasma Physics (for-2020)5107 Particle and High Energy Physics (for-2020)4902 Mathematical Physics (for-2020)49 Mathematical Sciences (for-2020)51 Physical Sciences (for-2020)Hadron-Hadron ScatteringTop physicshep-exhep-ex0105 Mathematical Physics (for)0202 AtomicMolecularNuclearParticle and Plasma Physics (for)0206 Quantum Physics (for)Nuclear & Particles Physics (science-metrix)4902 Mathematical physics (for-2020)5106 Nuclear and plasma physics (for-2020)5107 Particle and high energy physics (for-2020)application/pdfCC-BYeScholarship, University of Californiahttps://escholarship.org/uc/item/5dk7d872https://escholarship.org/content/qt5dk7d872/qt5dk7d872.pdfinfo:doi/10.1007/jhep02(2014)107articleJournal of High Energy Physics, vol 2014, iss 2107oai:escholarship.org:ark:/13030/qt92z9d6ms2026-04-04T11:12:23Zqt92z9d6msSearch for Higgs boson decays to a photon and a Z boson in pp collisions at s=7 and 8 TeV with the ATLAS detectorCollaboration, ATLASAad, GAbajyan, TAbbott, BAbdallah, JKhalek, S AbdelAbdinov, OAben, RAbi, BAbolins, MAbouZeid, OSAbramowicz, HAbreu, HAbulaiti, YAcharya, BSAdamczyk, LAdams, DLAddy, TNAdelman, JAdomeit, SAdye, TAgatonovic-Jovin, TAguilar-Saavedra, JAAgustoni, MAhlen, SPAhmad, AAhmadov, FAielli, GÅkesson, TPAAkimoto, GAkimov, AVAlbert, JAlbrand, SVerzini, MJ AlconadaAleksa, MAleksandrov, INAlexa, CAlexander, GAlexandre, GAlexopoulos, TAlhroob, MAlimonti, GAlio, LAlison, JAllbrooke, BMMAllison, LJAllport, PPAllwood-Spiers, SEAlmond, JAloisio, AAlon, RAlonso, AAlonso, FAlpigiani, CAltheimer, AGonzalez, B AlvarezAlviggi, MGAmako, KCoutinho, Y AmaralAmelung, CAmidei, DAmmosov, VVDos Santos, SP AmorAmorim, AAmoroso, SAmram, NAmundsen, GAnastopoulos, CAncu, LSAndari, NAndeen, TAnders, CFAnders, GAnderson, KJAndreazza, AAndrei, VAnduaga, XSAngelidakis, SAnger, PAngerami, AAnghinolfi, FAnisenkov, AVAnjos, NAnnovi, AAntonaki, AAntonelli, MAntonov, AAntos, JAnulli, FAoki, MBella, L AperioApolle, RArabidze, GAracena, IArai, YAraque, JPArce, ATHArguin, J-FArgyropoulos, SArik, M2014-05-01A search is reported for a neutral Higgs boson in the decay channel H→Zγ, Z→ℓ +ℓ -(ℓ = e, μ), using 4.5 fb-1of pp collisions at s=7 TeV and 20.3 fb-1of pp collisions at s=8 TeV, recorded by the ATLAS detector at the CERN Large Hadron Collider. The observed distribution of the invariant mass of the three final-state particles,mℓℓγ, is consistent with the Standard Model hypothesis in the investigated mass range of 120-150 GeV. For a Higgs boson with a mass of 125.5 GeV, the observed upper limit at the 95% confidence level is 11 times the Standard Model expectation. Upper limits are set on the cross section times branching ratio of a neutral Higgs boson with mass in the range 120-150 GeV between 0.13 and 0.5 pb for s=8 TeV at 95% confidence level. © 2014.5106 Nuclear and Plasma Physics (for-2020)5107 Particle and High Energy Physics (for-2020)51 Physical Sciences (for-2020)hep-exhep-ex0105 Mathematical Physics (for)0201 Astronomical and Space Sciences (for)0202 AtomicMolecularNuclearParticle and Plasma Physics (for)Nuclear & Particles Physics (science-metrix)49 Mathematical sciences (for-2020)51 Physical sciences (for-2020)application/pdfCC-BYeScholarship, University of Californiahttps://escholarship.org/uc/item/92z9d6mshttps://escholarship.org/content/qt92z9d6ms/qt92z9d6ms.pdfinfo:doi/10.1016/j.physletb.2014.03.015articlePhysics Letters B, vol 7328 - 27oai:escholarship.org:ark:/13030/qt20f9r7wn2026-04-04T11:09:15Zqt20f9r7wnMeasurement of the production cross section of prompt J/ψ mesons in association with a W± boson in pp collisions at = 7 TeV with the ATLAS detectorThe ATLAS collaborationAad, GAbajyan, TAbbott, BAbdallah, JAbdel Khalek, SAbdinov, OAben, RAbi, BAbolins, MAbouZeid, OSAbramowicz, HAbreu, HAbulaiti, YAcharya, BSAdamczyk, LAdams, DLAddy, TNAdelman, JAdomeit, SAdye, TAefsky, SAgatonovic-Jovin, TAguilar-Saavedra, JAAgustoni, MAhlen, SPAhmad, AAielli, GÅkesson, TPAAkimoto, GAkimov, AVAlam, MAAlbert, JAlbrand, SAlconada Verzini, MJAleksa, MAleksandrov, INAlessandria, FAlexa, CAlexander, GAlexandre, GAlexopoulos, TAlhroob, MAliev, MAlimonti, GAlio, LAlison, JAllbrooke, BMMAllison, LJAllport, PPAllwood-Spiers, SEAlmond, JAloisio, AAlon, RAlonso, AAlonso, FAltheimer, AAlvarez Gonzalez, BAlviggi, MGAmako, KAmaral Coutinho, YAmelung, CAmmosov, VVAmor Dos Santos, SPAmorim, AAmoroso, SAmram, NAnastopoulos, CAncu, LSAndari, NAndeen, TAnders, CFAnders, GAnderson, KJAndreazza, AAndrei, VAnduaga, XSAngelidakis, SAnger, PAngerami, AAnghinolfi, FAnisenkov, AVAnjos, NAnnovi, AAntonaki, AAntonelli, MAntonov, AAntos, JAnulli, FAoki, MAperio Bella, LApolle, RArabidze, GAracena, IArai, YArce, ATHArfaoui, SArguin, J-FArgyropoulos, SArik, E2014-04-01The process pp → W±J/ψ provides a powerful probe of the production mechanism of charmonium in hadronic collisions, and is also sensitive to multiple parton interactions in the colliding protons. Using the 2011 ATLAS dataset of 4.5 fb−1 of $$ \sqrt{s} $$ = 7 TeV pp collisions at the LHC, the first observation is made of the production of W± + prompt J/ψ events in hadronic collisions, using W± → μνμ and J/ψ → μ+μ−. A yield of $$ 27.4_{-6.5}^{+7.5 } $$W± + prompt J/ψ events is observed, with a statistical significance of 5.1σ. The production rate as a ratio to the inclusive W± boson production rate is measured, and the double parton scattering contribution to the cross section is estimated.5106 Nuclear and Plasma Physics (for-2020)5107 Particle and High Energy Physics (for-2020)51 Physical Sciences (for-2020)Hadron-Hadron Scatteringhep-exhep-ex0105 Mathematical Physics (for)0202 AtomicMolecularNuclearParticle and Plasma Physics (for)0206 Quantum Physics (for)Nuclear & Particles Physics (science-metrix)4902 Mathematical physics (for-2020)5106 Nuclear and plasma physics (for-2020)5107 Particle and high energy physics (for-2020)application/pdfCC-BYeScholarship, University of Californiahttps://escholarship.org/uc/item/20f9r7wnhttps://escholarship.org/content/qt20f9r7wn/qt20f9r7wn.pdfinfo:doi/10.1007/jhep04(2014)172articleJournal of High Energy Physics, vol 2014, iss 4172oai:escholarship.org:ark:/13030/qt2wb6c9n62026-04-04T11:08:48Zqt2wb6c9n6Search for direct production of charginos, neutralinos and sleptons in final states with two leptons and missing transverse momentum in pp collisions at = 8TeV with the ATLAS detectorThe ATLAS collaborationAad, GAbbott, BAbdallah, JKhalek, S AbdelAbdinov, OAben, RAbi, BAbolins, MAbouZeid, OSAbramowicz, HAbreu, HAbreu, RAbulaiti, YAcharya, BSAdamczyk, LAdams, DLAdelman, JAdomeit, SAdye, TAgatonovic-Jovin, TAguilar-Saavedra, JAAgustoni, MAhlen, SPAhmad, AAhmadov, FAielli, GÅkesson, TPAAkimoto, GAkimov, AVAlberghi, GLAlbert, JAlbrand, SVerzini, MJ AlconadaAleksa, MAleksandrov, INAlexa, CAlexander, GAlexandre, GAlexopoulos, TAlhroob, MAlimonti, GAlio, LAlison, JAllbrooke, BMMAllison, LJAllport, PPAllwood-Spiers, SEAlmond, JAloisio, AAlonso, AAlonso, FAlpigiani, CAltheimer, AGonzalez, B AlvarezAlviggi, MGAmako, KCoutinho, Y AmaralAmelung, CAmidei, DSantos, SP Amor DosAmorim, AAmoroso, SAmram, NAmundsen, GAnastopoulos, CAncu, LSAndari, NAndeen, TAnders, CFAnders, GAnderson, KJAndreazza, AAndrei, VAnduaga, XSAngelidakis, SAngelozzi, IAnger, PAngerami, AAnghinolfi, FAnisenkov, AVAnjos, NAnnovi, AAntonaki, AAntonelli, MAntonov, AAntos, JAnulli, FAoki, MBella, L AperioApolle, RArabidze, GAracena, IArai, YAraque, JPArce, ATHArguin, J-FArgyropoulos, SArik, MArmbruster, AJ2014-05-01Searches for the electroweak production of charginos, neutralinos and sleptons in final states characterized by the presence of two leptons (electrons and muons) and missing transverse momentum are performed using 20.3 fb−1 of proton-proton collision data at $$ \sqrt{s} $$ = 8 TeV recorded with the ATLAS experiment at the Large Hadron Collider. No significant excess beyond Standard Model expectations is observed. Limits are set on the masses of the lightest chargino, next-to-lightest neutralino and sleptons for different lightest-neutralino mass hypotheses in simplified models. Results are also interpreted in various scenarios of the phenomenological Minimal Supersymmetric Standard Model.5106 Nuclear and Plasma Physics (for-2020)5107 Particle and High Energy Physics (for-2020)51 Physical Sciences (for-2020)SupersymmetryHadron-Hadron Scatteringhep-exhep-ex0105 Mathematical Physics (for)0202 AtomicMolecularNuclearParticle and Plasma Physics (for)0206 Quantum Physics (for)Nuclear & Particles Physics (science-metrix)4902 Mathematical physics (for-2020)5106 Nuclear and plasma physics (for-2020)5107 Particle and high energy physics (for-2020)application/pdfCC-BYeScholarship, University of Californiahttps://escholarship.org/uc/item/2wb6c9n6https://escholarship.org/content/qt2wb6c9n6/qt2wb6c9n6.pdfinfo:doi/10.1007/jhep05(2014)071articleJournal of High Energy Physics, vol 2014, iss 571oai:escholarship.org:ark:/13030/qt97s7d1kr2026-04-04T11:08:01Zqt97s7d1krSearch for anomaly-mediated supersymmetry breaking with the ATLAS detector based on a disappearing-track signature in pp collisions atThe ATLAS CollaborationAad, GAbbott, BAbdallah, JAbdelalim, AAAbdesselam, AAbdinov, OAbi, BAbolins, MAbramowicz, HAbreu, HAcerbi, EAcharya, BSAdams, DLAddy, TNAdelman, JAderholz, MAdomeit, SAdragna, PAdye, TAefsky, SAguilar-Saavedra, JAAharrouche, MAhlen, SPAhles, FAhmad, AAhsan, MAielli, GAkdogan, TÅkesson, TPAAkimoto, GAkimov, AVAkiyama, AAlam, MSAlam, MAAlbert, JAlbrand, SAleksa, MAleksandrov, INAlessandria, FAlexa, CAlexander, GAlexandre, GAlexopoulos, TAlhroob, MAliev, MAlimonti, GAlison, JAliyev, MAllport, PPAllwood-Spiers, SEAlmond, JAloisio, AAlon, RAlonso, AAlvarez Gonzalez, BAlviggi, MGAmako, KAmaral, PAmelung, CAmmosov, VVAmorim, AAmorós, GAmram, NAnastopoulos, CAncu, LSAndari, NAndeen, TAnders, CFAnders, GAnderson, KJAndreazza, AAndrei, VAndrieux, M-LAnduaga, XSAngerami, AAnghinolfi, FAnisenkov, AAnjos, NAnnovi, AAntonaki, AAntonelli, MAntonov, AAntos, JAnulli, FAoun, SAperio Bella, LApolle, RArabidze, GAracena, IArai, YArce, ATHArchambault, JPArfaoui, SArguin, J-FArik, EArik, MArmbruster, AJArnaez, OArnault, C2012-04-01In models of anomaly-mediated supersymmetry breaking (AMSB), the lightest chargino is predicted to have a lifetime long enough to be detected in collider experiments. This letter explores AMSB scenarios in pp collisions at $$\sqrt {s}=7\ \mathrm{TeV}$$ by attempting to identify decaying charginos which result in tracks that appear to have few associated hits in the outer region of the tracking system. The search was based on data corresponding to an integrated luminosity of 1.02 fb−1 collected with the ATLAS detector in 2011. The pT spectrum of candidate tracks is found to be consistent with the expectation from Standard Model background processes and constraints on the lifetime and the production cross section were obtained. In the minimal AMSB framework with m3/2<32 TeV, m0<1.5 TeV, tanβ=5 and μ>0, a chargino having mass below 92 GeV and a lifetime between 0.5 ns and 2 ns is excluded at 95 % confidence level.5106 Nuclear and Plasma Physics (for-2020)5107 Particle and High Energy Physics (for-2020)51 Physical Sciences (for-2020)hep-exhep-ex0202 AtomicMolecularNuclearParticle and Plasma Physics (for)0206 Quantum Physics (for)Nuclear & Particles Physics (science-metrix)5101 Astronomical sciences (for-2020)5102 Atomicmolecular and optical physics (for-2020)5107 Particle and high energy physics (for-2020)application/pdfCC-BYeScholarship, University of Californiahttps://escholarship.org/uc/item/97s7d1krhttps://escholarship.org/content/qt97s7d1kr/qt97s7d1kr.pdfinfo:doi/10.1140/epjc/s10052-012-1993-2articleEuropean Physical Journal C, vol 72, iss 41993oai:escholarship.org:ark:/13030/qt0wp965952026-04-04T11:07:36Zqt0wp96595Measurement of the inclusive jet cross-section in pp collisions at and comparison to the inclusive jet cross-section at using the ATLAS detectorThe ATLAS CollaborationAad, GAbajyan, TAbbott, BAbdallah, JAbdel Khalek, SAbdelalim, AAAbdinov, OAben, RAbi, BAbolins, MAbouZeid, OSAbramowicz, HAbreu, HAcharya, BSAdamczyk, LAdams, DLAddy, TNAdelman, JAdomeit, SAdragna, PAdye, TAefsky, SAguilar-Saavedra, JAAgustoni, MAharrouche, MAhlen, SPAhles, FAhmad, AAhsan, MAielli, GÅkesson, TPAAkimoto, GAkimov, AVAlam, MSAlam, MAAlbert, JAlbrand, SAleksa, MAleksandrov, INAlessandria, FAlexa, CAlexander, GAlexandre, GAlexopoulos, TAlhroob, MAliev, MAlimonti, GAlison, JAllbrooke, BMMAllport, PPAllwood-Spiers, SEAlmond, JAloisio, AAlon, RAlonso, AAlonso, FAltheimer, AAlvarez Gonzalez, BAlviggi, MGAmako, KAmelung, CAmmosov, VVAmor Dos Santos, SPAmorim, AAmram, NAnastopoulos, CAncu, LSAndari, NAndeen, TAnders, CFAnders, GAnderson, KJAndreazza, AAndrei, VAndrieux, M-LAnduaga, XSAngelidakis, SAnger, PAngerami, AAnghinolfi, FAnisenkov, AVAnjos, NAnnovi, AAntonaki, AAntonelli, MAntonov, AAntos, JAnulli, FAoki, MAoun, SAperio Bella, LApolle, RArabidze, GAracena, IArai, YArce, ATHArfaoui, SArguin, J-FArgyropoulos, S2013-08-01The inclusive jet cross-section has been measured in proton–proton collisions at $$\sqrt{s} = 2.76~\mbox{TeV}$$ in a dataset corresponding to an integrated luminosity of $$0.20~\mbox {pb$$^{-1} $$}$$ collected with the ATLAS detector at the Large Hadron Collider in 2011. Jets are identified using the anti-kt algorithm with two radius parameters of 0.4 and 0.6. The inclusive jet double-differential cross-section is presented as a function of the jet transverse momentum pT and jet rapidity y, covering a range of 20≤pT<430 GeV and |y|<4.4. The ratio of the cross-section to the inclusive jet cross-section measurement at $$\sqrt{s} = 7~\mbox{TeV}$$, published by the ATLAS Collaboration, is calculated as a function of both transverse momentum and the dimensionless quantity $$x_{\mathrm{T}} = 2 p_{\mathrm{T}} / \sqrt{s}$$, in bins of jet rapidity. The systematic uncertainties on the ratios are significantly reduced due to the cancellation of correlated uncertainties in the two measurements. Results are compared to the prediction from next-to-leading order perturbative QCD calculations corrected for non-perturbative effects, and next-to-leading order Monte Carlo simulation. Furthermore, the ATLAS jet cross-section measurements at $$\sqrt{s} = 2.76~\mbox{TeV}$$ and $$\sqrt{s}=7~\mbox{TeV}$$ are analysed within a framework of next-to-leading order perturbative QCD calculations to determine parton distribution functions of the proton, taking into account the correlations between the measurements.5106 Nuclear and Plasma Physics (for-2020)5107 Particle and High Energy Physics (for-2020)51 Physical Sciences (for-2020)ATLAS CollaborationATLAS Collaborationhep-exhep-ex0202 AtomicMolecularNuclearParticle and Plasma Physics (for)0206 Quantum Physics (for)Nuclear & Particles Physics (science-metrix)5101 Astronomical sciences (for-2020)5102 Atomicmolecular and optical physics (for-2020)5107 Particle and high energy physics (for-2020)application/pdfCC-BYeScholarship, University of Californiahttps://escholarship.org/uc/item/0wp96595https://escholarship.org/content/qt0wp96595/qt0wp96595.pdfinfo:doi/10.1140/epjc/s10052-013-2509-4articleEuropean Physical Journal C, vol 73, iss 82509oai:escholarship.org:ark:/13030/qt5kw3j3462026-04-04T11:07:04Zqt5kw3j346Commissioning of the ATLAS Muon Spectrometer with cosmic raysThe ATLAS CollaborationAad, GAbbott, BAbdallah, JAbdelalim, AAAbdesselam, AAbdinov, OAbi, BAbolins, MAbramowicz, HAbreu, HAcharya, BSAdams, DLAddy, TNAdelman, JAdorisio, CAdragna, PAdye, TAefsky, SAguilar-Saavedra, JAAharrouche, MAhlen, SPAhles, FAhmad, AAhmed, HAhsan, MAielli, GAkdogan, TÅkesson, TPAAkimoto, GAkimov, AVAktas, AAlam, MSAlam, MAAlbrand, SAleksa, MAleksandrov, INAlexa, CAlexander, GAlexandre, GAlexopoulos, TAlhroob, MAliev, MAlimonti, GAlison, JAliyev, MAllport, PPAllwood-Spiers, SEAlmond, JAloisio, AAlon, RAlonso, AAlviggi, MGAmako, KAmelung, CAmorim, AAmorós, GAmram, NAnastopoulos, CAndeen, TAnders, CFAnderson, KJAndreazza, AAndrei, VAnduaga, XSAngerami, AAnghinolfi, FAnjos, NAnnovi, AAntonaki, AAntonelli, MAntonelli, SAntos, JAntunovic, BAnulli, FAoun, SArabidze, GAracena, IArai, YArce, ATHArchambault, JPArfaoui, SArguin, J-FArgyropoulos, TArik, MArmbruster, AJArnaez, OArnault, CArtamonov, AArutinov, DAsai, MAsai, SAsfandiyarov, RAsk, SÅsman, BAsner, DAsquith, LAssamagan, KAstbury, AAstvatsatourov, A2010-12-01The ATLAS detector at the Large Hadron Collider has collected several hundred million cosmic ray events during 2008 and 2009. These data were used to commission the Muon Spectrometer and to study the performance of the trigger and tracking chambers, their alignment, the detector control system, the data acquisition and the analysis programs. We present the performance in the relevant parameters that determine the quality of the muon measurement. We discuss the single element efficiency, resolution and noise rates, the calibration method of the detector response and of the alignment system, the track reconstruction efficiency and the momentum measurement. The results show that the detector is close to the design performance and that the Muon Spectrometer is ready to detect muons produced in high energy proton–proton collisions.5106 Nuclear and Plasma Physics (for-2020)5107 Particle and High Energy Physics (for-2020)5110 Synchrotrons and Accelerators (for-2020)51 Physical Sciences (for-2020)physics.ins-detphysics.ins-dethep-ex0202 AtomicMolecularNuclearParticle and Plasma Physics (for)0206 Quantum Physics (for)Nuclear & Particles Physics (science-metrix)5101 Astronomical sciences (for-2020)5102 Atomicmolecular and optical physics (for-2020)5107 Particle and high energy physics (for-2020)application/pdfCC-BYeScholarship, University of Californiahttps://escholarship.org/uc/item/5kw3j346https://escholarship.org/content/qt5kw3j346/qt5kw3j346.pdfinfo:doi/10.1140/epjc/s10052-010-1415-2articleEuropean Physical Journal C, vol 70, iss 3875 - 916oai:escholarship.org:ark:/13030/qt4h9644ct2026-04-04T11:06:26Zqt4h9644ctMeasurement of the distributions of event-by-event flow harmonics in lead-lead collisions at = 2.76 TeV with the ATLAS detector at the LHCThe ATLAS collaborationAad, GAbajyan, TAbbott, BAbdallah, JAbdel Khalek, SAbdelalim, AAAbdinov, OAben, RAbi, BAbolins, MAbouZeid, OSAbramowicz, HAbreu, HAbulaiti, YAcharya, BSAdamczyk, LAdams, DLAddy, TNAdelman, JAdomeit, SAdye, TAefsky, SAguilar-Saavedra, JAAgustoni, MAhlen, SPAhles, FAhmad, AAhsan, MAielli, GÅkesson, TPAAkimoto, GAkimov, AVAlam, MAAlbert, JAlbrand, SAlconada Verzini, MJAleksa, MAleksandrov, INAlessandria, FAlexa, CAlexander, GAlexandre, GAlexopoulos, TAlhroob, MAliev, MAlimonti, GAlison, JAllbrooke, BMMAllison, LJAllport, PPAllwood-Spiers, SEAlmond, JAloisio, AAlon, RAlonso, AAlonso, FAltheimer, AAlvarez Gonzalez, BAlviggi, MGAmako, KAmaral Coutinho, YAmelung, CAmmosov, VVAmor Dos Santos, SPAmorim, AAmoroso, SAmram, NAnastopoulos, CAncu, LSAndari, NAndeen, TAnders, CFAnders, GAnderson, KJAndreazza, AAndrei, VAnduaga, XSAngelidakis, SAnger, PAngerami, AAnghinolfi, FAnisenkov, AAnjos, NAnnovi, AAntonaki, AAntonelli, MAntonov, AAntos, JAnulli, FAoki, MAperio Bella, LApolle, RArabidze, GAracena, IArai, YArce, ATHArfaoui, SArguin, J-FArgyropoulos, S2013-11-01The distributions of event-by-event harmonic flow coefficients υn for n = 2-4 are measured in √sNN = 2.76TeV Pb+Pb collisions using the ATLAS detector at the LHC. The measurements are performed using charged particles with transverse momentum pT > 0.5GeV and in the pseudorapidity range |η| < 2.5 in a dataset of approximately 7 μb-1 recorded in 2010. The shapes of the υn distributions suggest that the associated flow vectors are described by a two-dimensional Gaussian function in central collisions for υ2 and over most of the measured centrality range for υ3 and υ4. Significant deviations from this function are observed for υ2 in mid-central and peripheral collisions, and a small deviation is observed for υ3 in mid-central collisions. In order to be sensitive to these deviations, it is shown that the commonly used multi-particle cumulants, involving four particles or more, need to be measured with a precision better than a few percent. The υn distributions are also measured independently for charged particles with 0.5 < pT < 1 GeV and pT > 1 GeV. When these distributions are rescaled to the same mean values, the adjusted shapes are found to be nearly the same for these two pT ranges. The υn distributions are compared with the eccentricity distributions from two models for the initial collision geometry: a Glauber model and a model that includes corrections to the initial geometry due to gluon saturation effects. Both models fail to describe the experimental data consistently over most of the measured centrality range. Copyright CERN.5106 Nuclear and Plasma Physics (for-2020)5107 Particle and High Energy Physics (for-2020)51 Physical Sciences (for-2020)Heavy-ion collisionharmonic flowevent-by-event fluctuationunfoldingHadron-Hadron Scatteringhep-exhep-exnucl-ex0105 Mathematical Physics (for)0202 AtomicMolecularNuclearParticle and Plasma Physics (for)0206 Quantum Physics (for)Nuclear & Particles Physics (science-metrix)4902 Mathematical physics (for-2020)5106 Nuclear and plasma physics (for-2020)5107 Particle and high energy physics (for-2020)application/pdfCC-BYeScholarship, University of Californiahttps://escholarship.org/uc/item/4h9644cthttps://escholarship.org/content/qt4h9644ct/qt4h9644ct.pdfinfo:doi/10.1007/jhep11(2013)183articleJournal of High Energy Physics, vol 2013, iss 11183oai:escholarship.org:ark:/13030/qt8q66m3d62026-04-04T11:05:48Zqt8q66m3d6Readiness of the ATLAS Tile Calorimeter for LHC collisionsThe ATLAS CollaborationAad, GAbbott, BAbdallah, JAbdelalim, AAAbdesselam, AAbdinov, OAbi, BAbolins, MAbramowicz, HAbreu, HAcharya, BSAdams, DLAddy, TNAdelman, JAdorisio, CAdragna, PAdye, TAefsky, SAguilar-Saavedra, JAAharrouche, MAhlen, SPAhles, FAhmad, AAhsan, MAielli, GAkdogan, TÅkesson, TPAAkimoto, GAkimov, AVAktas, AAlam, MSAlam, MAAlbrand, SAleksa, MAleksandrov, INAlexa, CAlexander, GAlexandre, GAlexopoulos, TAlhroob, MAliev, MAlimonti, GAlison, JAliyev, MAllport, PPAllwood-Spiers, SEAlmond, JAloisio, AAlon, RAlonso, AAlviggi, MGAmako, KAmelung, CAmorim, AAmorós, GAmram, NAnastopoulos, CAndeen, TAnders, CFAnderson, KJAndreazza, AAndrei, VAnduaga, XSAngerami, AAnghinolfi, FAnjos, NAnnovi, AAntonaki, AAntonelli, MAntonelli, SAntos, JAntunovic, BAnulli, FAoun, SArabidze, GAracena, IArai, YArce, ATHArchambault, JPArfaoui, SArguin, J-FArgyropoulos, TArik, MArmbruster, AJArnaez, OArnault, CArtamonov, AArutinov, DAsai, MAsai, SAsfandiyarov, RAsk, SÅsman, BAsner, DAsquith, LAssamagan, KAstvatsatourov, AAtoian, GAuerbach, B2010-12-01The Tile hadronic calorimeter of the ATLAS detector has undergone extensive testing in the experimental hall since its installation in late 2005. The readout, control and calibration systems have been fully operational since 2007 and the detector has successfully collected data from the LHC single beams in 2008 and first collisions in 2009. This paper gives an overview of the Tile Calorimeter performance as measured using random triggers, calibration data, data from cosmic ray muons and single beam data. The detector operation status, noise characteristics and performance of the calibration systems are presented, as well as the validation of the timing and energy calibration carried out with minimum ionising cosmic ray muons data. The calibration systems’ precision is well below the design value of 1%. The determination of the global energy scale was performed with an uncertainty of 4%.5106 Nuclear and Plasma Physics (for-2020)5107 Particle and High Energy Physics (for-2020)5110 Synchrotrons and Accelerators (for-2020)51 Physical Sciences (for-2020)physics.ins-detphysics.ins-dethep-ex0202 AtomicMolecularNuclearParticle and Plasma Physics (for)0206 Quantum Physics (for)Nuclear & Particles Physics (science-metrix)5101 Astronomical sciences (for-2020)5102 Atomicmolecular and optical physics (for-2020)5107 Particle and high energy physics (for-2020)application/pdfCC-BYeScholarship, University of Californiahttps://escholarship.org/uc/item/8q66m3d6https://escholarship.org/content/qt8q66m3d6/qt8q66m3d6.pdfinfo:doi/10.1140/epjc/s10052-010-1508-yarticleEuropean Physical Journal C, vol 70, iss 41193 - 1236oai:escholarship.org:ark:/13030/qt1qm5r5cn2026-04-04T11:04:56Zqt1qm5r5cnRapidity gap cross sections measured with the ATLAS detector in pp collisions atThe ATLAS CollaborationAad, GAbbott, BAbdallah, JAbdelalim, AAAbdesselam, AAbdinov, OAbi, BAbolins, MAbouZeid, OSAbramowicz, HAbreu, HAcerbi, EAcharya, BSAdamczyk, LAdams, DLAddy, TNAdelman, JAderholz, MAdomeit, SAdragna, PAdye, TAefsky, SAguilar-Saavedra, JAAharrouche, MAhlen, SPAhles, FAhmad, AAhsan, MAielli, GAkdogan, TÅkesson, TPAAkimoto, GAkimov, AVAkiyama, AAlam, MSAlam, MAAlbert, JAlbrand, SAleksa, MAleksandrov, INAlessandria, FAlexa, CAlexander, GAlexandre, GAlexopoulos, TAlhroob, MAliev, MAlimonti, GAlison, JAliyev, MAllport, PPAllwood-Spiers, SEAlmond, JAloisio, AAlon, RAlonso, AAlvarez Gonzalez, BAlviggi, MGAmako, KAmaral, PAmelung, CAmmosov, VVAmorim, AAmorós, GAmram, NAnastopoulos, CAncu, LSAndari, NAndeen, TAnders, CFAnders, GAnderson, KJAndreazza, AAndrei, VAndrieux, M-LAnduaga, XSAngerami, AAnghinolfi, FAnisenkov, AAnjos, NAnnovi, AAntonaki, AAntonelli, MAntonov, AAntos, JAnulli, FAoun, SAperio Bella, LApolle, RArabidze, GAracena, IArai, YArce, ATHArchambault, JPArfaoui, SArguin, J-FArik, EArik, MArmbruster, AJ2012-03-01Pseudorapidity gap distributions in proton-proton collisions at √s = 7 TeV are studied using a minimum bias data sample with an integrated luminosity of 7.1 μb−1. Cross sections are measured differentially in terms of ΔηF, the larger of the pseudorapidity regions extending to the limits of the ATLAS sensitivity, at η = ±4.9, in which no final state particles are produced above a transverse momentum threshold pcut T. The measurements span the region 0 < ΔηF < 8 for 200 MeV < pcut T < 800 MeV. At small ΔηF, the data test the reliability of hadronisation models in describing rapidity and transverse momentum fluctuations in final state particle production. The measurements at larger gap sizes are dominated by contributions from the single diffractive dissociation process (pp →Xp), enhanced by double dissociation (pp → XY) where the invariant mass of the lighter of the two dissociation systems satisfies MY < 7 GeV. The resulting cross section is dσ/dΔηF ≈1 mb for ΔηF > 3. The large rapidity gap data are used to constrain the value of the Pomeron intercept appropriate to triple Regge models of soft diffraction. The cross section integrated over all gap sizes is compared with other LHC inelastic cross section measurements.5106 Nuclear and Plasma Physics (for-2020)5107 Particle and High Energy Physics (for-2020)51 Physical Sciences (for-2020)hep-exhep-ex0202 AtomicMolecularNuclearParticle and Plasma Physics (for)0206 Quantum Physics (for)Nuclear & Particles Physics (science-metrix)5101 Astronomical sciences (for-2020)5102 Atomicmolecular and optical physics (for-2020)5107 Particle and high energy physics (for-2020)application/pdfCC-BYeScholarship, University of Californiahttps://escholarship.org/uc/item/1qm5r5cnhttps://escholarship.org/content/qt1qm5r5cn/qt1qm5r5cn.pdfinfo:doi/10.1140/epjc/s10052-012-1926-0articleEuropean Physical Journal C, vol 72, iss 31926oai:escholarship.org:ark:/13030/qt1t15414p2026-04-04T11:04:21Zqt1t15414pSingle hadron response measurement and calorimeter jet energy scale uncertainty with the ATLAS detector at the LHCThe ATLAS CollaborationAad, GAbbott, BAbdallah, JAbdelalim, AAAbdesselam, AAbdinov, OAbi, BAbolins, MAbouZeid, OSAbramowicz, HAbreu, HAcerbi, EAcharya, BSAdamczyk, LAdams, DLAddy, TNAdelman, JAderholz, MAdomeit, SAdragna, PAdye, TAefsky, SAguilar-Saavedra, JAAharrouche, MAhlen, SPAhles, FAhmad, AAhsan, MAielli, GAkdogan, TÅkesson, TPAAkimoto, GAkimov, AVAkiyama, AAlam, MSAlam, MAAlbert, JAlbrand, SAleksa, MAleksandrov, INAlessandria, FAlexa, CAlexander, GAlexandre, GAlexopoulos, TAlhroob, MAliev, MAlimonti, GAlison, JAliyev, MAllbrooke, BMMAllport, PPAllwood-Spiers, SEAlmond, JAloisio, AAlon, RAlonso, AAlvarez Gonzalez, BAlviggi, MGAmako, KAmaral, PAmelung, CAmmosov, VVAmorim, AAmorós, GAmram, NAnastopoulos, CAncu, LSAndari, NAndeen, TAnders, CFAnders, GAnderson, KJAndreazza, AAndrei, VAndrieux, M-LAnduaga, XSAngerami, AAnghinolfi, FAnisenkov, AAnjos, NAnnovi, AAntonaki, AAntonelli, MAntonov, AAntos, JAnulli, FAoun, SAperio Bella, LApolle, RArabidze, GAracena, IArai, YArce, ATHArfaoui, SArguin, J-FArik, EArik, MArmbruster, AJ2013-03-01The uncertainty on the calorimeter energy response to jets of particles is derived for the ATLAS experiment at the Large Hadron Collider (LHC). First, the calorimeter response to single isolated charged hadrons is measured and compared to the Monte Carlo simulation using proton-proton collisions at centre-of-mass energies of $$\sqrt{s} = 900~\mbox{GeV}$$ and 7 TeV collected during 2009 and 2010. Then, using the decay of Ks and Λ particles, the calorimeter response to specific types of particles (positively and negatively charged pions, protons, and anti-protons) is measured and compared to the Monte Carlo predictions. Finally, the jet energy scale uncertainty is determined by propagating the response uncertainty for single charged and neutral particles to jets. The response uncertainty is 2–5 % for central isolated hadrons and 1–3 % for the final calorimeter jet energy scale.5106 Nuclear and Plasma Physics (for-2020)5107 Particle and High Energy Physics (for-2020)51 Physical Sciences (for-2020)hep-exhep-ex0202 AtomicMolecularNuclearParticle and Plasma Physics (for)0206 Quantum Physics (for)Nuclear & Particles Physics (science-metrix)5101 Astronomical sciences (for-2020)5102 Atomicmolecular and optical physics (for-2020)5107 Particle and high energy physics (for-2020)application/pdfCC-BYeScholarship, University of Californiahttps://escholarship.org/uc/item/1t15414phttps://escholarship.org/content/qt1t15414p/qt1t15414p.pdfinfo:doi/10.1140/epjc/s10052-013-2305-1articleEuropean Physical Journal C, vol 73, iss 32305oai:escholarship.org:ark:/13030/qt11x2v1jj2026-04-04T11:03:25Zqt11x2v1jjLimits on the production of the standard model Higgs boson in pp collisions at TeV with the ATLAS detectorThe ATLAS CollaborationAad, GAbbott, BAbdallah, JAbdelalim, AAAbdesselam, AAbdinov, OAbi, BAbolins, MAbramowicz, HAbreu, HAcerbi, EAcharya, BSAdams, DLAddy, TNAdelman, JAderholz, MAdomeit, SAdragna, PAdye, TAefsky, SAguilar-Saavedra, JAAharrouche, MAhlen, SPAhles, FAhmad, AAhsan, MAielli, GAkdogan, TÅkesson, TPAAkimoto, GAkimov, AVAkiyama, AAlam, MSAlam, MAAlbrand, SAleksa, MAleksandrov, INAlessandria, FAlexa, CAlexander, GAlexandre, GAlexopoulos, TAlhroob, MAliev, MAlimonti, GAlison, JAliyev, MAllport, PPAllwood-Spiers, SEAlmond, JAloisio, AAlon, RAlonso, AAlviggi, MGAmako, KAmaral, PAmelung, CAmmosov, VVAmorim, AAmorós, GAmram, NAnastopoulos, CAndari, NAndeen, TAnders, CFAnderson, KJAndreazza, AAndrei, VAndrieux, M-LAnduaga, XSAngerami, AAnghinolfi, FAnjos, NAnnovi, AAntonaki, AAntonelli, MAntonov, AAntos, JAnulli, FAoun, SAperio Bella, LApolle, RArabidze, GAracena, IArai, YArce, ATHArchambault, JPArfaoui, SArguin, J-FArik, EArik, MArmbruster, AJArnaez, OArnault, CArtamonov, AArtoni, GArutinov, DAsai, SAsfandiyarov, R2011-09-01A search for the Standard Model Higgs boson at the Large Hadron Collider (LHC) running at a centre-of-mass energy of 7 TeV is reported, based on a total integrated luminosity of up to 40 pb−1 collected by the ATLAS detector in 2010. Several Higgs boson decay channels: H→γγ, H→ZZ(∗)→ℓℓℓℓ, H→ZZ→ℓℓνν, H→ZZ→ℓℓqq, H→WW(∗)→ℓνℓν and H→WW→ℓνqq (ℓ is e, μ) are combined in a mass range from 110 GeV to 600 GeV. The highest sensitivity is achieved in the mass range between 160 GeV and 170 GeV, where the expected 95% CL exclusion sensitivity is at Higgs boson production cross sections 2.3 times the Standard Model prediction. Upper limits on the cross section for its production are determined. Models with a fourth generation of heavy leptons and quarks with Standard Model-like couplings to the Higgs boson are also investigated and are excluded at 95% CL for a Higgs boson mass in the range from 140 GeV to 185 GeV.5106 Nuclear and Plasma Physics (for-2020)5107 Particle and High Energy Physics (for-2020)51 Physical Sciences (for-2020)hep-exhep-ex0202 AtomicMolecularNuclearParticle and Plasma Physics (for)0206 Quantum Physics (for)Nuclear & Particles Physics (science-metrix)5101 Astronomical sciences (for-2020)5102 Atomicmolecular and optical physics (for-2020)5107 Particle and high energy physics (for-2020)application/pdfCC-BYeScholarship, University of Californiahttps://escholarship.org/uc/item/11x2v1jjhttps://escholarship.org/content/qt11x2v1jj/qt11x2v1jj.pdfinfo:doi/10.1140/epjc/s10052-011-1728-9articleEuropean Physical Journal C, vol 71, iss 91728oai:escholarship.org:ark:/13030/qt1r02683d2026-04-04T10:59:55Zqt1r02683dMeasurement of the top quark mass with the template method in the channel using ATLAS dataThe ATLAS CollaborationAad, GAbbott, BAbdallah, JAbdelalim, AAAbdesselam, AAbdinov, OAbi, BAbolins, MAbouZeid, OSAbramowicz, HAbreu, HAcerbi, EAcharya, BSAdamczyk, LAdams, DLAddy, TNAdelman, JAderholz, MAdomeit, SAdragna, PAdye, TAefsky, SAguilar-Saavedra, JAAharrouche, MAhlen, SPAhles, FAhmad, AAhsan, MAielli, GAkdogan, TÅkesson, TPAAkimoto, GAkimov, AVAkiyama, AAlam, MSAlam, MAAlbert, JAlbrand, SAleksa, MAleksandrov, INAlessandria, FAlexa, CAlexander, GAlexandre, GAlexopoulos, TAlhroob, MAliev, MAlimonti, GAlison, JAliyev, MAllbrooke, BMMAllport, PPAllwood-Spiers, SEAlmond, JAloisio, AAlon, RAlonso, AAlvarez Gonzalez, BAlviggi, MGAmako, KAmaral, PAmelung, CAmmosov, VVAmorim, AAmorós, GAmram, NAnastopoulos, CAncu, LSAndari, NAndeen, TAnders, CFAnders, GAnderson, KJAndreazza, AAndrei, VAndrieux, M-LAnduaga, XSAngerami, AAnghinolfi, FAnisenkov, AAnjos, NAnnovi, AAntonaki, AAntonelli, MAntonov, AAntos, JAnulli, FAoun, SAperio Bella, LApolle, RArabidze, GAracena, IArai, YArce, ATHArfaoui, SArguin, J-FArik, EArik, MArmbruster, AJ2012-06-01The top quark mass has been measured using the template method in the $$t\bar{t}\to\mathrm{lepton}+\mathrm{jets}$$ channel based on data recorded in 2011 with the ATLAS detector at the LHC. The data were taken at a proton-proton centre-of-mass energy of $$\sqrt{s}=7\ \mbox{TeV}$$ and correspond to an integrated luminosity of 1.04 fb−1. The analyses in the e+jets and μ+jets decay channels yield consistent results. The top quark mass is measured to be mtop=174.5±0.6stat±2.3syst GeV.5106 Nuclear and Plasma Physics (for-2020)5107 Particle and High Energy Physics (for-2020)51 Physical Sciences (for-2020)ATLAS CollaborationATLAS Collaborationhep-exhep-ex0202 AtomicMolecularNuclearParticle and Plasma Physics (for)0206 Quantum Physics (for)Nuclear & Particles Physics (science-metrix)5101 Astronomical sciences (for-2020)5102 Atomicmolecular and optical physics (for-2020)5107 Particle and high energy physics (for-2020)application/pdfCC-BYeScholarship, University of Californiahttps://escholarship.org/uc/item/1r02683dhttps://escholarship.org/content/qt1r02683d/qt1r02683d.pdfinfo:doi/10.1140/epjc/s10052-012-2046-6articleEuropean Physical Journal C, vol 72, iss 62046oai:escholarship.org:ark:/13030/qt9k67q6dw2026-04-04T10:53:35Zqt9k67q6dwSearch for decays of stopped, long-lived particles from 7 TeV pp collisions with the ATLAS detectorThe ATLAS CollaborationAad, GAbbott, BAbdallah, JAbdelalim, AAAbdesselam, AAbdinov, OAbi, BAbolins, MAbramowicz, HAbreu, HAcerbi, EAcharya, BSAdams, DLAddy, TNAdelman, JAderholz, MAdomeit, SAdragna, PAdye, TAefsky, SAguilar-Saavedra, JAAharrouche, MAhlen, SPAhles, FAhmad, AAhsan, MAielli, GAkdogan, TÅkesson, TPAAkimoto, GAkimov, AVAkiyama, AAktas, AAlam, MSAlam, MAAlbert, JAlbrand, SAleksa, MAleksandrov, INAlessandria, FAlexa, CAlexander, GAlexandre, GAlexopoulos, TAlhroob, MAliev, MAlimonti, GAlison, JAliyev, MAllport, PPAllwood-Spiers, SEAlmond, JAloisio, AAlon, RAlonso, AAlviggi, MGAmako, KAmaral, PAmelung, CAmmosov, VVAmorim, AAmorós, GAmram, NAnastopoulos, CAncu, LSAndari, NAndeen, TAnders, CFAnders, GAnderson, KJAndreazza, AAndrei, VAndrieux, M-LAnduaga, XSAngerami, AAnghinolfi, FAnjos, NAnnovi, AAntonaki, AAntonelli, MAntonov, AAntos, JAnulli, FAoun, SAperio Bella, LApolle, RArabidze, GAracena, IArai, YArce, ATHArchambault, JPArfaoui, SArguin, J-FArik, EArik, MArmbruster, AJArnaez, OArnault, CArtamonov, A2012-04-01New metastable massive particles with electric and colour charge are features of many theories beyond the Standard Model. A search is performed for long-lived gluino-based R-hadrons with the ATLAS detector at the LHC using a data sample corresponding to an integrated luminosity of 31 pb−1. We search for evidence of particles that have come to rest in the ATLAS detector and decay at some later time during the periods in the LHC bunch structure without proton–proton collisions. No significant deviations from the expected backgrounds are observed, and a cross-section limit is set. It can be interpreted as excluding gluino-based R-hadrons with masses less than 341 GeV at the 95 % C.L., for lifetimes from 10−5 to 103 seconds and a neutralino mass of 100 GeV.5106 Nuclear and Plasma Physics (for-2020)5107 Particle and High Energy Physics (for-2020)51 Physical Sciences (for-2020)hep-exhep-ex0202 AtomicMolecularNuclearParticle and Plasma Physics (for)0206 Quantum Physics (for)Nuclear & Particles Physics (science-metrix)5101 Astronomical sciences (for-2020)5102 Atomicmolecular and optical physics (for-2020)5107 Particle and high energy physics (for-2020)application/pdfCC-BYeScholarship, University of Californiahttps://escholarship.org/uc/item/9k67q6dwhttps://escholarship.org/content/qt9k67q6dw/qt9k67q6dw.pdfinfo:doi/10.1140/epjc/s10052-012-1965-6articleEuropean Physical Journal C, vol 72, iss 41965oai:escholarship.org:ark:/13030/qt8g0433g42026-04-04T10:53:24Zqt8g0433g4Search for a light charged Higgs boson in the decay channel in events using pp collisions at with the ATLAS detectorThe ATLAS CollaborationAad, GAbajyan, TAbbott, BAbdallah, JAbdel Khalek, SAbdelalim, AAAbdinov, OAben, RAbi, BAbolins, MAbouZeid, OSAbramowicz, HAbreu, HAcharya, BSAdamczyk, LAdams, DLAddy, TNAdelman, JAdomeit, SAdragna, PAdye, TAefsky, SAguilar-Saavedra, JAAgustoni, MAhlen, SPAhles, FAhmad, AAhsan, MAielli, GÅkesson, TPAAkimoto, GAkimov, AVAlam, MAAlbert, JAlbrand, SAleksa, MAleksandrov, INAlessandria, FAlexa, CAlexander, GAlexandre, GAlexopoulos, TAlhroob, MAliev, MAlimonti, GAlison, JAllbrooke, BMMAllison, LJAllport, PPAllwood-Spiers, SEAlmond, JAloisio, AAlon, RAlonso, AAlonso, FAltheimer, AAlvarez Gonzalez, BAlviggi, MGAmako, KAmelung, CAmmosov, VVAmor Dos Santos, SPAmorim, AAmoroso, SAmram, NAnastopoulos, CAncu, LSAndari, NAndeen, TAnders, CFAnders, GAnderson, KJAndreazza, AAndrei, VAndrieux, M-LAnduaga, XSAngelidakis, SAnger, PAngerami, AAnghinolfi, FAnisenkov, AAnjos, NAnnovi, AAntonaki, AAntonelli, MAntonov, AAntos, JAnulli, FAoki, MAoun, SAperio Bella, LApolle, RArabidze, GAracena, IArai, YArce, ATHArfaoui, SArguin, J-FArgyropoulos, S2013-06-01A search for a charged Higgs boson (H+) in $$t\bar{t}$$ decays is presented, where one of the top quarks decays via t→H+b, followed by H+→ two jets ($$c\bar{s}$$). The other top quark decays to Wb, where the W boson then decays into a lepton (e/μ) and a neutrino. The data were recorded in pp collisions at $$\sqrt{s} = 7~\mathrm {TeV}$$ by the ATLAS detector at the LHC in 2011, and correspond to an integrated luminosity of 4.7 fb−1. With no observation of a signal, 95 % confidence level (CL) upper limits are set on the decay branching ratio of top quarks to charged Higgs bosons varying between 5 % and 1 % for H+ masses between 90 GeV and 150 GeV, assuming $$\mathcal{B}(H^{+} \rightarrow c\bar{s})=100~\%$$.5106 Nuclear and Plasma Physics (for-2020)5107 Particle and High Energy Physics (for-2020)51 Physical Sciences (for-2020)The ATLAS CollaborationThe ATLAS Collaborationhep-exhep-ex0202 AtomicMolecularNuclearParticle and Plasma Physics (for)0206 Quantum Physics (for)Nuclear & Particles Physics (science-metrix)5101 Astronomical sciences (for-2020)5102 Atomicmolecular and optical physics (for-2020)5107 Particle and high energy physics (for-2020)application/pdfCC-BYeScholarship, University of Californiahttps://escholarship.org/uc/item/8g0433g4https://escholarship.org/content/qt8g0433g4/qt8g0433g4.pdfinfo:doi/10.1140/epjc/s10052-013-2465-zarticleEuropean Physical Journal C, vol 73, iss 62465oai:escholarship.org:ark:/13030/qt11w356db2026-04-04T10:53:13Zqt11w356dbSearch for a multi-Higgs-boson cascade in W+W−bb¯ events with the ATLAS detector in pp collisions at s=8 TeVAad, GAbajyan, TAbbott, BAbdallah, JKhalek, S AbdelAbdinov, OAben, RAbi, BAbolins, MAbouZeid, OSAbramowicz, HAbreu, HAbulaiti, YAcharya, BSAdamczyk, LAdams, DLAddy, TNAdelman, JAdomeit, SAdye, TAefsky, SAgatonovic-Jovin, TAguilar-Saavedra, JAAgustoni, MAhlen, SPAhmad, AAhmadov, FAhsan, MAielli, GÅkesson, TPAAkimoto, GAkimov, AVAlam, MAAlbert, JAlbrand, SVerzini, MJ AlconadaAleksa, MAleksandrov, INAlessandria, FAlexa, CAlexander, GAlexandre, GAlexopoulos, TAlhroob, MAliev, MAlimonti, GAlio, LAlison, JAllbrooke, BMMAllison, LJAllport, PPAllwood-Spiers, SEAlmond, JAloisio, AAlon, RAlonso, AAlonso, FAltheimer, AGonzalez, B AlvarezAlviggi, MGAmako, KCoutinho, Y AmaralAmelung, CAmmosov, VVDos Santos, SP AmorAmorim, AAmoroso, SAmram, NAmundsen, GAnastopoulos, CAncu, LSAndari, NAndeen, TAnders, CFAnders, GAnderson, KJAndreazza, AAndrei, VAnduaga, XSAngelidakis, SAnger, PAngerami, AAnghinolfi, FAnisenkov, AVAnjos, NAnnovi, AAntonaki, AAntonelli, MAntonov, AAntos, JAnulli, FAoki, MBella, L AperioApolle, RArabidze, GAracena, IArai, YArce, ATHArfaoui, SArguin, J-F2014-02-01A search is presented for new particles in an extension to the Standard Model that includes a heavy Higgs boson (H0), an intermediate charged Higgs-boson pair (H±), and a light Higgs boson (h0). The analysis searches for events involving the production of a single heavy neutral Higgs boson which decays to the charged Higgs boson and a W boson, where the charged Higgs boson subsequently decays into a W boson and the lightest neutral Higgs boson decaying to a bottom–antibottom-quark pair. Such a cascade results in a W-boson pair and a bottom–antibottom-quark pair in the final state. Events with exactly one lepton, missing transverse momentum, and at least four jets are selected from a data sample corresponding to an integrated luminosity of 20.3 fb−1, collected by the ATLAS detector in proton-proton collisions at s=8 TeV at the LHC. The data are found to be consistent with Standard Model predictions, and 95% confidence-level upper limits are set on the product of cross section and branching ratio. These limits range from 0.065 to 43 pb as a function of H0 and H± masses, with mh0 fixed at 125 GeV.5106 Nuclear and Plasma Physics (for-2020)5107 Particle and High Energy Physics (for-2020)51 Physical Sciences (for-2020)hep-exhep-exapplication/pdfCC-BYeScholarship, University of Californiahttps://escholarship.org/uc/item/11w356dbhttps://escholarship.org/content/qt11w356db/qt11w356db.pdfinfo:doi/10.1103/physrevd.89.032002articlePhysical Review D, vol 89, iss 3032002oai:escholarship.org:ark:/13030/qt8580x1nt2026-04-04T10:53:01Zqt8580x1ntSearch for a fermiophobic Higgs boson in the diphoton decay channel with the ATLAS detectorThe ATLAS CollaborationAad, GAbbott, BAbdallah, JAbdel Khalek, SAbdelalim, AAAbdinov, OAbi, BAbolins, MAbouZeid, OSAbramowicz, HAbreu, HAcerbi, EAcharya, BSAdamczyk, LAdams, DLAddy, TNAdelman, JAdomeit, SAdragna, PAdye, TAefsky, SAguilar-Saavedra, JAAharrouche, MAhlen, SPAhles, FAhmad, AAhsan, MAielli, GAkdogan, TÅkesson, TPAAkimoto, GAkimov, AVAkiyama, AAlam, MSAlam, MAAlbert, JAlbrand, SAleksa, MAleksandrov, INAlessandria, FAlexa, CAlexander, GAlexandre, GAlexopoulos, TAlhroob, MAliev, MAlimonti, GAlison, JAllbrooke, BMMAllport, PPAllwood-Spiers, SEAlmond, JAloisio, AAlon, RAlonso, AAlvarez Gonzalez, BAlviggi, MGAmako, KAmelung, CAmmosov, VVAmorim, AAmram, NAnastopoulos, CAncu, LSAndari, NAndeen, TAnders, CFAnders, GAnderson, KJAndreazza, AAndrei, VAnduaga, XSAnger, PAngerami, AAnghinolfi, FAnisenkov, AAnjos, NAnnovi, AAntonaki, AAntonelli, MAntonov, AAntos, JAnulli, FAoun, SAperio Bella, LApolle, RArabidze, GAracena, IArai, YArce, ATHArfaoui, SArguin, J-FArik, EArik, MArmbruster, AJArnaez, OArnal, VArnault, CArtamonov, A2012-09-01A search for a fermiophobic Higgs boson using diphoton events produced in proton-proton collisions at a centre-of-mass energy of $$\sqrt{s}=7~\mbox{TeV}$$ is performed using data corresponding to an integrated luminosity of 4.9 fb−1 collected by the ATLAS experiment at the Large Hadron Collider. A specific benchmark model is considered where all the fermion couplings to the Higgs boson are set to zero and the bosonic couplings are kept at the Standard Model values (fermiophobic Higgs model). The largest excess with respect to the background-only hypothesis is found at 125.5 GeV, with a local significance of 2.9 standard deviations, which reduces to 1.6 standard deviations when taking into account the look-elsewhere effect. The data exclude the fermiophobic Higgs model in the ranges 110.0–118.0 GeV and 119.5–121.0 GeV at 95 % confidence level.5106 Nuclear and Plasma Physics (for-2020)5107 Particle and High Energy Physics (for-2020)51 Physical Sciences (for-2020)hep-exhep-ex0202 AtomicMolecularNuclearParticle and Plasma Physics (for)0206 Quantum Physics (for)Nuclear & Particles Physics (science-metrix)5101 Astronomical sciences (for-2020)5102 Atomicmolecular and optical physics (for-2020)5107 Particle and high energy physics (for-2020)application/pdfCC-BYeScholarship, University of Californiahttps://escholarship.org/uc/item/8580x1nthttps://escholarship.org/content/qt8580x1nt/qt8580x1nt.pdfinfo:doi/10.1140/epjc/s10052-012-2157-0articleEuropean Physical Journal C, vol 72, iss 92157oai:escholarship.org:ark:/13030/qt6cp4p28j2026-04-04T10:52:39Zqt6cp4p28jSearch for charginos nearly mass degenerate with the lightest neutralino based on a disappearing-track signature in pp collisions at (s)=8 TeV with the ATLAS detectorAad, GAbajyan, TAbbott, BAbdallah, JKhalek, S AbdelAbdinov, OAben, RAbi, BAbolins, MAbouZeid, OSAbramowicz, HAbreu, HAbulaiti, YAcharya, BSAdamczyk, LAdams, DLAddy, TNAdelman, JAdomeit, SAdye, TAefsky, SAgatonovic-Jovin, TAguilar-Saavedra, JAAgustoni, MAhlen, SPAhmad, AAhmadov, FAhsan, MAielli, GÅkesson, TPAAkimoto, GAkimov, AVAlam, MAAlbert, JAlbrand, SVerzini, MJ AlconadaAleksa, MAleksandrov, INAlessandria, FAlexa, CAlexander, GAlexandre, GAlexopoulos, TAlhroob, MAliev, MAlimonti, GAlio, LAlison, JAllbrooke, BMMAllison, LJAllport, PPAllwood-Spiers, SEAlmond, JAloisio, AAlon, RAlonso, AAlonso, FAltheimer, AGonzalez, B AlvarezAlviggi, MGAmako, KCoutinho, Y AmaralAmelung, CAmmosov, VVDos Santos, SP AmorAmorim, AAmoroso, SAmram, NAmundsen, GAnastopoulos, CAncu, LSAndari, NAndeen, TAnders, CFAnders, GAnderson, KJAndreazza, AAndrei, VAnduaga, XSAngelidakis, SAnger, PAngerami, AAnghinolfi, FAnisenkov, AVAnjos, NAnnovi, AAntonaki, AAntonelli, MAntonov, AAntos, JAnulli, FAoki, MBella, L AperioApolle, RArabidze, GAracena, IArai, YArce, ATHArfaoui, SArguin, J-F2013-12-01A search is presented for direct chargino production based on a disappearing-track signature using 20.3 fb-1 of proton-proton collisions at s=8 TeV collected with the ATLAS experiment at the LHC. In anomaly-mediated supersymmetry breaking (AMSB) models, the lightest chargino is nearly mass degenerate with the lightest neutralino and its lifetime is long enough to be detected in the tracking detectors by identifying decays that result in tracks with no associated hits in the outer region of the tracking system. Some models with supersymmetry also predict charginos with a significant lifetime. This analysis attains sensitivity for charginos with a lifetime between 0.1 and 10 ns, and significantly surpasses the reach of the LEP experiments. No significant excess above the background expectation is observed for candidate tracks with large transverse momentum, and constraints on chargino properties are obtained. In the AMSB scenarios, a chargino mass below 270 GeV is excluded at 95% confidence level.5106 Nuclear and Plasma Physics (for-2020)5107 Particle and High Energy Physics (for-2020)51 Physical Sciences (for-2020)hep-exhep-exapplication/pdfCC-BYeScholarship, University of Californiahttps://escholarship.org/uc/item/6cp4p28jhttps://escholarship.org/content/qt6cp4p28j/qt6cp4p28j.pdfinfo:doi/10.1103/physrevd.88.112006articlePhysical Review D, vol 88, iss 11112006oai:escholarship.org:ark:/13030/qt1p02x3sr2026-04-04T10:52:29Zqt1p02x3srSearch for Gluinos in Events with Two Same-Sign Leptons, Jets, and Missing Transverse Momentum with the ATLAS Detector in pp Collisions at s=7 TeVAad, GAbbott, BAbdallah, JKhalek, S AbdelAbdelalim, AAAbdesselam, AAbdinov, OAbi, BAbolins, MAbouZeid, OSAbramowicz, HAbreu, HAcerbi, EAcharya, BSAdamczyk, LAdams, DLAddy, TNAdelman, JAderholz, MAdomeit, SAdragna, PAdye, TAefsky, SAguilar-Saavedra, JAAharrouche, MAhlen, SPAhles, FAhmad, AAhsan, MAielli, GAkdogan, TÅkesson, TPAAkimoto, GAkimov, AVAkiyama, AAlam, MSAlam, MAAlbert, JAlbrand, SAleksa, MAleksandrov, INAlessandria, FAlexa, CAlexander, GAlexandre, GAlexopoulos, TAlhroob, MAliev, MAlimonti, GAlison, JAliyev, MAllbrooke, BMMAllport, PPAllwood-Spiers, SEAlmond, JAloisio, AAlon, RAlonso, AGonzalez, B AlvarezAlviggi, MGAmako, KAmaral, PAmelung, CAmmosov, VVAmorim, AAmorós, GAmram, NAnastopoulos, CAncu, LSAndari, NAndeen, TAnders, CFAnders, GAnderson, KJAndreazza, AAndrei, VAndrieux, M-LAnduaga, XSAngerami, AAnghinolfi, FAnisenkov, AAnjos, NAnnovi, AAntonaki, AAntonelli, MAntonov, AAntos, JAnulli, FAoun, SBella, L AperioApolle, RArabidze, GAracena, IArai, YArce, ATHArfaoui, SArguin, J-FArik, EArik, MArmbruster, AJ2012-06-15A search is presented for gluinos decaying via the supersymmetric partner of the top quark using events with two same-sign leptons, jets, and missing transverse momentum. The analysis is performed with 2.05 fb(-1) of integrated luminosity from pp collisions at sqrt[s]=7 TeV collected by the ATLAS detector at the LHC. No excess beyond the standard model expectation is observed, and exclusion limits are derived for simplified models where the gluino decays via the supersymmetric partner of the top quark and in the minimal supergravity and constrained minimal supersymmetric standard model framework. In those scenarios, gluino masses below 550 GeV are excluded at 95% C.L. within the parameter space considered, significantly extending the coverage with respect to existing limits. Depending on the model parameters, gluino masses up to 750 GeV can also be excluded at 95% C.L.5106 Nuclear and Plasma Physics (for-2020)5107 Particle and High Energy Physics (for-2020)4902 Mathematical Physics (for-2020)49 Mathematical Sciences (for-2020)51 Physical Sciences (for-2020)ATLAS CollaborationATLAS CollaborationATLAS Collaborationhep-exhep-ex01 Mathematical Sciences (for)02 Physical Sciences (for)09 Engineering (for)General Physics (science-metrix)40 Engineering (for-2020)49 Mathematical sciences (for-2020)51 Physical sciences (for-2020)application/pdfCC-BYeScholarship, University of Californiahttps://escholarship.org/uc/item/1p02x3srhttps://escholarship.org/content/qt1p02x3sr/qt1p02x3sr.pdfinfo:doi/10.1103/physrevlett.108.241802articlePhysical Review Letters, vol 108, iss 24241802oai:escholarship.org:ark:/13030/qt7hc616pk2026-04-04T10:52:17Zqt7hc616pkSearch for Pair Production of a Heavy Up-Type Quark Decaying to a W Boson and a b Quark in the lepton+jets Channel with the ATLAS DetectorAad, GAbbott, BAbdallah, JAbdelalim, AAAbdesselam, AAbdinov, OAbi, BAbolins, MAbouZeid, OSAbramowicz, HAbreu, HAcerbi, EAcharya, BSAdamczyk, LAdams, DLAddy, TNAdelman, JAderholz, MAdomeit, SAdragna, PAdye, TAefsky, SAguilar-Saavedra, JAAharrouche, MAhlen, SPAhles, FAhmad, AAhsan, MAielli, GAkdogan, TÅkesson, TPAAkimoto, GAkimov, AVAkiyama, AAlam, MSAlam, MAAlbert, JAlbrand, SAleksa, MAleksandrov, INAlessandria, FAlexa, CAlexander, GAlexandre, GAlexopoulos, TAlhroob, MAliev, MAlimonti, GAlison, JAliyev, MAllbrooke, BMMAllport, PPAllwood-Spiers, SEAlmond, JAloisio, AAlon, RAlonso, AGonzalez, B AlvarezAlviggi, MGAmako, KAmaral, PAmelung, CAmmosov, VVAmorim, AAmorós, GAmram, NAnastopoulos, CAncu, LSAndari, NAndeen, TAnders, CFAnders, GAnderson, KJAndreazza, AAndrei, VAndrieux, M-LAnduaga, XSAngerami, AAnghinolfi, FAnisenkov, AAnjos, NAnnovi, AAntonaki, AAntonelli, MAntonov, AAntos, JAnulli, FAoun, SBella, L AperioApolle, RArabidze, GAracena, IArai, YArce, ATHArfaoui, SArguin, J-FArik, EArik, MArmbruster, AJArnaez, O2012-06-29A search is presented for production of a heavy up-type quark (t') together with its antiparticle, assuming subsequent decay to a W boson and a b quark, t't[over ¯]'→W(+)bW(-)b[over ¯]. The search is based on 1.04 fb(-1) of proton-proton collisions at √[s]=7 TeV collected by the ATLAS detector at the CERN Large Hadron Collider. Data are analyzed in the lepton+jets final state, characterized by a high transverse momentum isolated electron or muon, high missing transverse momentum, and at least three jets. No significant excess of events above the background expectation is observed. A 95% C.L. lower limit of 404 GeV is set for the mass of the t' quark.5106 Nuclear and Plasma Physics (for-2020)5107 Particle and High Energy Physics (for-2020)51 Physical Sciences (for-2020)ATLAS CollaborationATLAS CollaborationATLAS Collaborationhep-exhep-ex01 Mathematical Sciences (for)02 Physical Sciences (for)09 Engineering (for)General Physics (science-metrix)40 Engineering (for-2020)49 Mathematical sciences (for-2020)51 Physical sciences (for-2020)application/pdfCC-BYeScholarship, University of Californiahttps://escholarship.org/uc/item/7hc616pkhttps://escholarship.org/content/qt7hc616pk/qt7hc616pk.pdfinfo:doi/10.1103/physrevlett.108.261802articlePhysical Review Letters, vol 108, iss 26261802oai:escholarship.org:ark:/13030/qt548794xd2026-04-04T10:52:06Zqt548794xdMeasurement of Z Boson Production in Pb-Pb Collisions at sNN=2.76 TeV with the ATLAS DetectorAad, GAbajyan, TAbbott, BAbdallah, JKhalek, S AbdelAbdelalim, AAAbdinov, OAben, RAbi, BAbolins, MAbouZeid, OSAbramowicz, HAbreu, HAcharya, BSAdamczyk, LAdams, DLAddy, TNAdelman, JAdomeit, SAdragna, PAdye, TAefsky, SAguilar-Saavedra, JAAgustoni, MAharrouche, MAhlen, SPAhles, FAhmad, AAhsan, MAielli, GAkdogan, TÅkesson, TPAAkimoto, GAkimov, AVAlam, MSAlam, MAAlbert, JAlbrand, SAleksa, MAleksandrov, INAlessandria, FAlexa, CAlexander, GAlexandre, GAlexopoulos, TAlhroob, MAliev, MAlimonti, GAlison, JAllbrooke, BMMAllport, PPAllwood-Spiers, SEAlmond, JAloisio, AAlon, RAlonso, AAlonso, FAltheimer, AGonzalez, B AlvarezAlviggi, MGAmako, KAmelung, CAmmosov, VVDos Santos, SP AmorAmorim, AAmram, NAnastopoulos, CAncu, LSAndari, NAndeen, TAnders, CFAnders, GAnderson, KJAndreazza, AAndrei, VAndrieux, M-LAnduaga, XSAnger, PAngerami, AAnghinolfi, FAnisenkov, AAnjos, NAnnovi, AAntonaki, AAntonelli, MAntonov, AAntos, JAnulli, FAoki, MAoun, SBella, L AperioApolle, RArabidze, GAracena, IArai, YArce, ATHArfaoui, SArguin, J-FArik, EArik, M2013-01-11The ATLAS experiment has observed 1995 Z boson candidates in data corresponding to 0.15 nb(-1) of integrated luminosity obtained in the 2011 LHC Pb+Pb run at sqrt[s(NN)]=2.76 TeV. The Z bosons are reconstructed via dielectron and dimuon decay channels, with a background contamination of less than 3%. Results from the two channels are consistent and are combined. Within the statistical and systematic uncertainties, the per-event Z boson yield is proportional to the number of binary collisions estimated by the Glauber model. The elliptic anisotropy of the azimuthal distribution of the Z boson with respect to the event plane is found to be consistent with zero.5106 Nuclear and Plasma Physics (for-2020)5107 Particle and High Energy Physics (for-2020)51 Physical Sciences (for-2020)ATLAS CollaborationATLAS Collaborationhep-exhep-exnucl-ex01 Mathematical Sciences (for)02 Physical Sciences (for)09 Engineering (for)General Physics (science-metrix)40 Engineering (for-2020)49 Mathematical sciences (for-2020)51 Physical sciences (for-2020)application/pdfCC-BYeScholarship, University of Californiahttps://escholarship.org/uc/item/548794xdhttps://escholarship.org/content/qt548794xd/qt548794xd.pdfinfo:doi/10.1103/physrevlett.110.022301articlePhysical Review Letters, vol 110, iss 2022301oai:escholarship.org:ark:/13030/qt8mz4g5zd2026-04-04T10:51:10Zqt8mz4g5zdSelective cannabinoid-1 receptor blockade benefits fatty acid and triglyceride metabolism significantly in weight-stable nonhuman primatesVaidyanathan, VidyaBastarrachea, Raul AHiggins, Paul BVoruganti, V SarojaKamath, SubhashDiPatrizio, Nicholas VPiomelli, DanieleComuzzie, Anthony GParks, Elizabeth J2012-09-01The goal of this study was to determine whether administration of the CB₁ cannabinoid receptor antagonist rimonabant would alter fatty acid flux in nonhuman primates. Five adult baboons (Papio Sp) aged 12.1 ± 4.7 yr (body weight: 31.9 ± 2.1 kg) underwent repeated metabolic tests to determine fatty acid and TG flux before and after 7 wk of treatment with rimonabant (15 mg/day). Animals were fed ad libitum diets, and stable isotopes were administered via diet (d₃₁-tripalmitin) and intravenously (¹³C₄-palmitate, ¹³C₁-acetate). Plasma was collected in the fed and fasted states, and blood lipids were analyzed by GC-MS. DEXA was used to assess body composition and a hyperinsulinemic euglycemic clamp used to assess insulin-mediated glucose disposal. During the study, no changes were observed in food intake, body weight, plasma, and tissue endocannabinoid concentrations or the quantity of liver-TG fatty acids originating from de novo lipogenesis (19 ± 6 vs. 16 ± 5%, for pre- and posttreatment, respectively, P = 0.39). However, waist circumference was significantly reduced 4% in the treated animals (P < 0.04), glucose disposal increased 30% (P = 0.03), and FFA turnover increased 37% (P = 0.02). The faster FFA flux was consistent with a 43% reduction in these fatty acids used for TRL-TG synthesis (40 ± 3 vs. 23 ± 4%, P = 0.02) and a twofold increase in TRL-TG turnover (1.5 ± 0.9 vs. 3.1 ± 1.4 μmol·kg⁻¹·h⁻¹, P = 0.03). These data support the potential for a strong effect of CB₁ receptor antagonism at the level of adipose tissue, resulting in improvements in fasting turnover of fatty acids at the whole body level, central adipose storage, and significant improvements in glucose homeostasis.3214 Pharmacology and Pharmaceutical Sciences (for-2020)32 Biomedical and Clinical Sciences (for-2020)Obesity (rcdc)Substance Misuse (rcdc)Endocannabinoid System Research (rcdc)Cannabinoid Research (rcdc)Nutrition (rcdc)Diabetes (rcdc)Metabolic and endocrine (hrcs-hc)Acetic Acid (mesh)Animals (mesh)Biotransformation (mesh)Body Composition (mesh)Carbon Isotopes (mesh)Deuterium (mesh)Fatty Acids (mesh)Insulin Resistance (mesh)Kinetics (mesh)Lipolysis (mesh)Liver (mesh)Male (mesh)Palmitic Acid (mesh)Papio (mesh)Piperidines (mesh)Pyrazoles (mesh)ReceptorCannabinoidCB1 (mesh)Rimonabant (mesh)Subcutaneous FatAbdominal (mesh)Triglycerides (mesh)Waist Circumference (mesh)endocannabinoidadiposefatty acid fluxstable isotopesbaboonLiver (mesh)Animals (mesh)Papio (mesh)Insulin Resistance (mesh)Deuterium (mesh)Carbon Isotopes (mesh)Acetic Acid (mesh)Piperidines (mesh)Pyrazoles (mesh)Fatty Acids (mesh)Palmitic Acid (mesh)Triglycerides (mesh)ReceptorCannabinoidCB1 (mesh)Body Composition (mesh)Lipolysis (mesh)Biotransformation (mesh)Kinetics (mesh)Male (mesh)Subcutaneous FatAbdominal (mesh)Waist Circumference (mesh)Rimonabant (mesh)Acetic Acid (mesh)Animals (mesh)Biotransformation (mesh)Body Composition (mesh)Carbon Isotopes (mesh)Deuterium (mesh)Fatty Acids (mesh)Insulin Resistance (mesh)Kinetics (mesh)Lipolysis (mesh)Liver (mesh)Male (mesh)Palmitic Acid (mesh)Papio (mesh)Piperidines (mesh)Pyrazoles (mesh)ReceptorCannabinoidCB1 (mesh)Rimonabant (mesh)Subcutaneous FatAbdominal (mesh)Triglycerides (mesh)Waist Circumference (mesh)06 Biological Sciences (for)11 Medical and Health Sciences (for)Endocrinology & Metabolism (science-metrix)31 Biological sciences (for-2020)32 Biomedical and clinical sciences (for-2020)42 Health sciences (for-2020)application/pdfCC-BYeScholarship, University of Californiahttps://escholarship.org/uc/item/8mz4g5zdhttps://escholarship.org/content/qt8mz4g5zd/qt8mz4g5zd.pdfinfo:doi/10.1152/ajpendo.00072.2012articleAJP Endocrinology and Metabolism, vol 303, iss 5e624 - e634oai:escholarship.org:ark:/13030/qt10x3x8xb2026-04-04T10:47:28Zqt10x3x8xbA Computational Modeling and Simulation Approach to Investigate Mechanisms of Subcellular cAMP CompartmentationYang, Pei-ChiBoras, Britton WJeng, Mao-TsuenDocken, Steffen SLewis, Timothy JMcCulloch, Andrew DHarvey, Robert DClancy, Colleen ERich, Thomas C2016-01-01Subcellular compartmentation of the ubiquitous second messenger cAMP has been widely proposed as a mechanism to explain unique receptor-dependent functional responses. How exactly compartmentation is achieved, however, has remained a mystery for more than 40 years. In this study, we developed computational and mathematical models to represent a subcellular sarcomeric space in a cardiac myocyte with varying detail. We then used these models to predict the contributions of various mechanisms that establish subcellular cAMP microdomains. We used the models to test the hypothesis that phosphodiesterases act as functional barriers to diffusion, creating discrete cAMP signaling domains. We also used the models to predict the effect of a range of experimentally measured diffusion rates on cAMP compartmentation. Finally, we modeled the anatomical structures in a cardiac myocyte diad, to predict the effects of anatomical diffusion barriers on cAMP compartmentation. When we incorporated experimentally informed model parameters to reconstruct an in silico subcellular sarcomeric space with spatially distinct cAMP production sites linked to caveloar domains, the models predict that under realistic conditions phosphodiesterases alone were insufficient to generate significant cAMP gradients. This prediction persisted even when combined with slow cAMP diffusion. When we additionally considered the effects of anatomic barriers to diffusion that are expected in the cardiac myocyte dyadic space, cAMP compartmentation did occur, but only when diffusion was slow. Our model simulations suggest that additional mechanisms likely contribute to cAMP gradients occurring in submicroscopic domains. The difference between the physiological and pathological effects resulting from the production of cAMP may be a function of appropriate compartmentation of cAMP signaling. Therefore, understanding the contribution of factors that are responsible for coordinating the spatial and temporal distribution of cAMP at the subcellular level could be important for developing new strategies for the prevention or treatment of unfavorable responses associated with different disease states.31 Biological Sciences (for-2020)3208 Medical Physiology (for-2020)32 Biomedical and Clinical Sciences (for-2020)Bioengineering (rcdc)Animals (mesh)CellsCultured (mesh)Computational Biology (mesh)Computer Simulation (mesh)Cyclic AMP (mesh)Intracellular Space (mesh)Mice (mesh)MyocytesCardiac (mesh)Phosphoric Diester Hydrolases (mesh)Signal Transduction (mesh)CellsCultured (mesh)Intracellular Space (mesh)MyocytesCardiac (mesh)Animals (mesh)Mice (mesh)Phosphoric Diester Hydrolases (mesh)Cyclic AMP (mesh)Computational Biology (mesh)Signal Transduction (mesh)Computer Simulation (mesh)Animals (mesh)CellsCultured (mesh)Computational Biology (mesh)Computer Simulation (mesh)Cyclic AMP (mesh)Intracellular Space (mesh)Mice (mesh)MyocytesCardiac (mesh)Phosphoric Diester Hydrolases (mesh)Signal Transduction (mesh)01 Mathematical Sciences (for)06 Biological Sciences (for)08 Information and Computing Sciences (for)Bioinformatics (science-metrix)application/pdfCC-BYeScholarship, University of Californiahttps://escholarship.org/uc/item/10x3x8xbhttps://escholarship.org/content/qt10x3x8xb/qt10x3x8xb.pdfinfo:doi/10.1371/journal.pcbi.1005005articlePLOS Computational Biology, vol 12, iss 7e1005005oai:escholarship.org:ark:/13030/qt6jp7k7j62026-04-04T10:47:14Zqt6jp7k7j6Antithymocyte globulin therapy for patients with recent-onset type 1 diabetes: 2 year results of a randomised trialGitelman, Stephen EGottlieb, Peter AFelner, Eric IWilli, Steven MFisher, Lynda KMoran, AntoinetteGottschalk, MichaelMoore, Wayne VPinckney, AshleyKeyes-Elstein, LynetteHarris, Kristina MKanaparthi, SaiPhippard, DeborahDing, LinnaBluestone, Jeffrey AEhlers, Mario Rthe ITN START Study Team2016-06-01Aims/hypothesisType 1 diabetes results from T cell mediated destruction of beta cells. We conducted a trial of antithymocyte globulin (ATG) in new-onset type 1 diabetes (the Study of Thymoglobulin to ARrest T1D [START] trial). Our goal was to evaluate the longer-term safety and efficacy of ATG in preserving islet function at 2 years.MethodsA multicentre, randomised, double-blind, placebo-controlled trial of 6.5 mg/kg ATG (Thymoglobulin) vs placebo in patients with new-onset type 1 diabetes was conducted at seven university medical centres and one Children’s Hospital in the USA. The site-stratified randomisation scheme was computer generated at the data coordinating centre using permuted-blocks of size 3 or 6. Eligible participants were between the ages of 12 and 35, and enrolled within 100 days from diagnosis. Subjects were randomised to 6.5 mg/kg ATG (thymoglobulin) vs placebo in a 2:1 ratio. Participants were blinded, and the study design included two sequential patient-care teams: an unblinded study-drug administration team (for the first 8 weeks), and a blinded diabetes management team (for the remainder of the study). Endpoints assessed at 24 months included meal-stimulated C-peptide AUC, safety and immunological responses.ResultsFifty-eight patients were enrolled; at 2 years, 35 assigned to ATG and 16 to placebo completed the study. The pre-specified endpoints were not met. In post hoc analyses, older patients (age 22–35 years) in the ATG group had significantly greater C-peptide AUCs at 24 months than placebo patients. Using complete preservation of baseline C-peptide at 24 months as threshold, nine of 35 ATG-treated participants (vs 2/16 placebo participants) were classified as responders; nine of 11 responders (67%) were older. All participants reported at least one adverse event (AE), with 1,148 events in the 38 ATG participants vs 415 in the 20 placebo participants; a comparable number of infections were noted in the ATG and placebo groups, with no opportunistic infections nor difficulty clearing infections in either group. Circulating T cell subsets depleted by ATG partially reconstituted, but regulatory, naive and central memory subsets remained significantly depleted at 24 months. Beta cell autoantibodies did not change over the 24 months in the ATG-treated or placebo participants. At 12 months, ATG-treated participants had similar humoral immune responses to tetanus and HepA vaccines as placebo-treated participants, and no increased infections.Conclusions/interpretationA brief course of ATG substantially depleted T cell subsets, including regulatory cells, but did not preserve islet function 24 months later in the majority of patients with new-onset type 1 diabetes. ATG preserved C-peptide secretion in older participants, which may warrant further study.Trial registration:ClinicalTrials.gov NCT00515099Public data repository:START datasets are available in TrialShare www.itntrialshare.orgFunding:National Institute of Allergy and Infectious Diseases (NIAID) of the National Institutes of Health (NIH). The trial was conducted by the Immune Tolerance Network (ITN).32 Biomedical and Clinical Sciences (for-2020)3202 Clinical Sciences (for-2020)Patient Safety (rcdc)Diabetes (rcdc)Pediatric Research Initiative (rcdc)Clinical Research (rcdc)Prevention (rcdc)Clinical Trials and Supportive Activities (rcdc)Autoimmune Disease (rcdc)6.1 Pharmaceuticals (hrcs-rac)Metabolic and endocrine (hrcs-hc)3 Good Health and Well Being (sdg)Adolescent (mesh)Adult (mesh)Antilymphocyte Serum (mesh)C-Peptide (mesh)Child (mesh)Diabetes MellitusType 1 (mesh)Double-Blind Method (mesh)Humans (mesh)Hypoglycemic Agents (mesh)ImmunityHumoral (mesh)Randomized Controlled Trials as Topic (mesh)T-Lymphocyte Subsets (mesh)Treatment Outcome (mesh)Young Adult (mesh)ATGBeta cellsC-peptideSTART trialTcellsThymoglobulinTregsType 1 diabetesITN START Study TeamT-Lymphocyte Subsets (mesh)Humans (mesh)Diabetes MellitusType 1 (mesh)C-Peptide (mesh)Antilymphocyte Serum (mesh)Hypoglycemic Agents (mesh)Treatment Outcome (mesh)Double-Blind Method (mesh)Adolescent (mesh)Adult (mesh)Child (mesh)Randomized Controlled Trials as Topic (mesh)Young Adult (mesh)ImmunityHumoral (mesh)ATGBeta cellsC-peptideSTART trialT cellsThymoglobulinTregsType 1 diabetesAdolescent (mesh)Adult (mesh)Antilymphocyte Serum (mesh)C-Peptide (mesh)Child (mesh)Diabetes MellitusType 1 (mesh)Double-Blind Method (mesh)Humans (mesh)Hypoglycemic Agents (mesh)ImmunityHumoral (mesh)Randomized Controlled Trials as Topic (mesh)T-Lymphocyte Subsets (mesh)Treatment Outcome (mesh)Young Adult (mesh)1103 Clinical Sciences (for)1114 Paediatrics and Reproductive Medicine (for)1117 Public Health and Health Services (for)Endocrinology & Metabolism (science-metrix)3202 Clinical sciences (for-2020)4206 Public health (for-2020)application/pdfpubliceScholarship, University of Californiahttps://escholarship.org/uc/item/6jp7k7j6https://escholarship.org/content/qt6jp7k7j6/qt6jp7k7j6.pdfinfo:doi/10.1007/s00125-016-3917-4articleDiabetologia, vol 59, iss 61153 - 1161oai:escholarship.org:ark:/13030/qt5tk864xh2026-04-04T10:46:22Zqt5tk864xhErratum to: Search for supersymmetry in events containing a same-flavour opposite-sign dilepton pair, jets, and large missing transverse momentum in s=8 TeV pp collisions with the ATLAS detectorAad, GAbbott, BAbdallah, JAbdinov, OAben, RAbolins, MAbouZeid, OSAbramowicz, HAbreu, HAbreu, RAbulaiti, YAcharya, BSAdamczyk, LAdams, DLAdelman, JAdomeit, SAdye, TAffolder, AAAgatonovic-Jovin, TAguilar-Saavedra, JAAgustoni, MAhlen, SPAhmadov, FAielli, GAkerstedt, HÅkesson, TPAAkimoto, GAkimov, AVAlberghi, GLAlbert, JAlbrand, SAlconada Verzini, MJAleksa, MAleksandrov, INAlexa, CAlexander, GAlexopoulos, TAlhroob, MAlimonti, GAlio, LAlison, JAlkire, SPAllbrooke, BMMAllport, PPAloisio, AAlonso, AAlonso, FAlpigiani, CAltheimer, AAlvarez Gonzalez, BPiqueras, D ÁlvarezAlviggi, MGAmako, KAmaral Coutinho, YAmelung, CAmidei, DAmor Dos Santos, SPAmorim, AAmoroso, SAmram, NAmundsen, GAnastopoulos, CAncu, LSAndari, NAndeen, TAnders, CFAnders, GAnderson, KJAndreazza, AAndrei, VAngelidakis, SAngelozzi, IAnger, PAngerami, AAnghinolfi, FAnisenkov, AVAnjos, NAnnovi, AAntonelli, MAntonov, AAntos, JAnulli, FAoki, MAperio Bella, LArabidze, GArai, YAraque, JPArce, ATHArduh, FAArguin, J-FArgyropoulos, SArik, MArmbruster, AJArnaez, OArnal, VArnold, HArratia, MArslan, OArtamonov, AArtoni, G2015-10-015106 Nuclear and Plasma Physics (for-2020)5107 Particle and High Energy Physics (for-2020)51 Physical Sciences (for-2020)0202 AtomicMolecularNuclearParticle and Plasma Physics (for)0206 Quantum Physics (for)Nuclear & Particles Physics (science-metrix)5101 Astronomical sciences (for-2020)5102 Atomicmolecular and optical physics (for-2020)5107 Particle and high energy physics (for-2020)application/pdfCC-BYeScholarship, University of Californiahttps://escholarship.org/uc/item/5tk864xhhttps://escholarship.org/content/qt5tk864xh/qt5tk864xh.pdfinfo:doi/10.1140/epjc/s10052-015-3661-9articleEuropean Physical Journal C, vol 75, iss 10463oai:escholarship.org:ark:/13030/qt6sq6679h2026-04-04T10:46:13Zqt6sq6679hSearch for Dark Matter in Events with Missing Transverse Momentum and a Higgs Boson Decaying to Two Photons in pp Collisions at s=8 TeV with the ATLAS DetectorAad, GAbbott, BAbdallah, JAbdinov, OAben, RAbolins, MAbouZeid, OSAbramowicz, HAbreu, HAbreu, RAbulaiti, YAcharya, BSAdamczyk, LAdams, DLAdelman, JAdomeit, SAdye, TAffolder, AAAgatonovic-Jovin, TAguilar-Saavedra, JAAhlen, SPAhmadov, FAielli, GAkerstedt, HÅkesson, TPAAkimoto, GAkimov, AVAlberghi, GLAlbert, JAlbrand, SVerzini, MJ AlconadaAleksa, MAleksandrov, INAlexa, CAlexander, GAlexopoulos, TAlhroob, MAlimonti, GAlio, LAlison, JAlkire, SPAllbrooke, BMMAllport, PPAloisio, AAlonso, AAlonso, FAlpigiani, CAltheimer, AGonzalez, B AlvarezPiqueras, D ÁlvarezAlviggi, MGAmadio, BTAmako, KCoutinho, Y AmaralAmelung, CAmidei, DDos Santos, SP AmorAmorim, AAmoroso, SAmram, NAmundsen, GAnastopoulos, CAncu, LSAndari, NAndeen, TAnders, CFAnders, GAnders, JKAnderson, KJAndreazza, AAndrei, VAngelidakis, SAngelozzi, IAnger, PAngerami, AAnghinolfi, FAnisenkov, AVAnjos, NAnnovi, AAntonelli, MAntonov, AAntos, JAnulli, FAoki, MBella, L AperioArabidze, GArai, YAraque, JPArce, ATHArduh, FAArguin, J-FArgyropoulos, SArik, MArmbruster, AJArnaez, OArnal, VArnold, HArratia, MArslan, OArtamonov, A2015-09-25Results of a search for new phenomena in events with large missing transverse momentum and a Higgs boson decaying to two photons are reported. Data from proton-proton collisions at a center-of-mass energy of 8 TeV and corresponding to an integrated luminosity of 20.3 fb^{-1} have been collected with the ATLAS detector at the LHC. The observed data are well described by the expected standard model backgrounds. Upper limits on the cross section of events with large missing transverse momentum and a Higgs boson candidate are also placed. Exclusion limits are presented for models of physics beyond the standard model featuring dark-matter candidates.5106 Nuclear and Plasma Physics (for-2020)5107 Particle and High Energy Physics (for-2020)51 Physical Sciences (for-2020)ATLAS CollaborationATLAS CollaborationATLAS Collaborationhep-exhep-ex01 Mathematical Sciences (for)02 Physical Sciences (for)09 Engineering (for)General Physics (science-metrix)40 Engineering (for-2020)49 Mathematical sciences (for-2020)51 Physical sciences (for-2020)application/pdfCC-BYeScholarship, University of Californiahttps://escholarship.org/uc/item/6sq6679hhttps://escholarship.org/content/qt6sq6679h/qt6sq6679h.pdfinfo:doi/10.1103/physrevlett.115.131801articlePhysical Review Letters, vol 115, iss 13131801oai:escholarship.org:ark:/13030/qt1bt1x7gc2026-04-04T10:42:09Zqt1bt1x7gcEvaluating the accuracy of self-report for the diagnosis of HIV-associated neurocognitive disorder (HAND): defining “symptomatic” versus “asymptomatic” HANDObermeit, Lisa CBeltran, JessicaCasaletto, Kaitlin BFranklin, Donald RLetendre, ScottEllis, RonaldFennema-Notestine, ChristineVaida, FlorinCollier, Ann CMarra, Christina MClifford, DavidGelman, BenjaminSacktor, NedMorgello, SusanSimpson, DavidMcCutchan, J AllenGrant, IgorHeaton, Robert KThe CNS HIV Anti-Retroviral Therapy Effects Research (CHARTER) Group2017-02-01The criteria for differentiating symptomatic from asymptomatic HIV-associated neurocognitive disorder require evaluation of (1) cognitive impairment, (2) daily functioning declines, and (3) whether the functional declines are attributable to cognitive versus physical problems. Many providers rely only on self-report to evaluate these latter criteria. However, the accuracy of patient-provided information may be limited. This study evaluated the validity of self-assessment for HIV-associated neurocognitive disorder (HAND) diagnoses by comparing objective findings with self-report of criteria 2 and 3 above. Self-reports were used to stratify 277 cognitively impaired HIV+ individuals into functionally dependent (n = 159) and independent (n = 118) groups, followed by group comparisons of objective functional problems. The dependent group was then divided into those who self-attributed their functional dependence to only cognitive (n = 80) versus only physical (n = 79) causes, for further comparisons on objective findings. The functionally dependent group was significantly worse than the independent group on all objective disability characteristics except severity of cognitive impairment, while those who attributed their dependence to physical (versus cognitive) factors were similar on all objective physical, cognitive, and functioning variables. Of note, 28 % of physical attributors showed no physical abnormalities on neuromedical examinations. Results suggest that patient report is consistently associated with objective measures of functional loss; in contrast, patient identification of physical versus cognitive causes is poorly associated with objective criteria. These findings caution against relying solely on patient self-report to determine whether functional disability in cognitively impaired HIV+ individuals can be attributed to strictly physical causes.3207 Medical Microbiology (for-2020)32 Biomedical and Clinical Sciences (for-2020)3209 Neurosciences (for-2020)3202 Clinical Sciences (for-2020)Rehabilitation (rcdc)Acquired Cognitive Impairment (rcdc)Mental Health (rcdc)Brain Disorders (rcdc)Behavioral and Social Science (rcdc)Infectious Diseases (rcdc)Clinical Research (rcdc)Neurodegenerative (rcdc)Neurosciences (rcdc)HIV/AIDS (rcdc)Activities of Daily Living (mesh)Adult (mesh)Asymptomatic Diseases (mesh)Cognition (mesh)Cognitive Dysfunction (mesh)Persons with Disabilities (mesh)Female (mesh)HIV Infections (mesh)Humans (mesh)Male (mesh)Middle Aged (mesh)Psychiatric Status Rating Scales (mesh)Self Report (mesh)Severity of Illness Index (mesh)AIDSActivities of daily livingSelf-assessmentCognitive disordersEtiologyCNS HIV Anti-Retroviral Therapy Effects Research (CHARTER) GroupHumans (mesh)HIV Infections (mesh)Activities of Daily Living (mesh)Severity of Illness Index (mesh)Cognition (mesh)Psychiatric Status Rating Scales (mesh)Adult (mesh)Middle Aged (mesh)Female (mesh)Male (mesh)Self Report (mesh)Asymptomatic Diseases (mesh)Cognitive Dysfunction (mesh)Persons with Disabilities (mesh)AIDSActivities of daily livingCognitive disordersEtiologySelf-assessmentActivities of Daily Living (mesh)Adult (mesh)Asymptomatic Diseases (mesh)Cognition (mesh)Cognitive Dysfunction (mesh)Persons with Disabilities (mesh)Female (mesh)HIV Infections (mesh)Humans (mesh)Male (mesh)Middle Aged (mesh)Psychiatric Status Rating Scales (mesh)Self Report (mesh)Severity of Illness Index (mesh)1103 Clinical Sciences (for)1108 Medical Microbiology (for)1109 Neurosciences (for)Virology (science-metrix)3202 Clinical sciences (for-2020)3207 Medical microbiology (for-2020)3209 Neurosciences (for-2020)application/pdfpubliceScholarship, University of Californiahttps://escholarship.org/uc/item/1bt1x7gchttps://escholarship.org/content/qt1bt1x7gc/qt1bt1x7gc.pdfinfo:doi/10.1007/s13365-016-0474-zarticleJournal of NeuroVirology, vol 23, iss 167 - 78oai:escholarship.org:ark:/13030/qt2f26k47b2026-04-04T10:42:01Zqt2f26k47bLong-term efavirenz use is associated with worse neurocognitive functioning in HIV-infected patientsMa, QingVaida, FlorinWong, JennaSanders, Chelsea AKao, Yu-tingCroteau, DavidClifford, David BCollier, Ann CGelman, Benjamin BMarra, Christina MMcArthur, Justin CMorgello, SusanSimpson, David MHeaton, Robert KGrant, IgorLetendre, Scott Lfor the CHARTER Group2016-04-01Neurocognitive (NC) complications continue to afflict a substantial proportion of HIV-infected people taking effective antiretroviral therapy (ART). One contributing mechanism for this is antiretroviral neurotoxicity. Efavirenz (EFV) is associated with short-term central nervous system (CNS) toxicity, but less is known about its long-term effects. Our objective was to compare NC functioning with long-term use of EFV to that of a comparator, lopinavir-ritonavir (LPV/r), in a cohort of well-characterized adults. Four hundred forty-five patients were selected from the CNS HIV Antiretroviral Therapy Effects Research (CHARTER) cohort based on their use of either EFV (n = 272, mean duration 17.9 months) or LPV/r (n = 173, mean duration 16.4 months) and the lack of severe NC comorbidities. All patients had undergone standardized comprehensive NC testing. Univariable and multivariable analyses to predict NC outcomes were performed. Compared with LPV/r users, EFV users were more likely to be taking their first ART regimen (p < 0.001), were less likely to have AIDS (p < 0.001) or hepatitis C virus (HCV) coinfection (p < 0.05), had higher CD4+ T cell nadirs (p < 0.001), had lower peak (p < 0.001) and current (p < 0.001) plasma HIV RNA levels, and were less likely to have detectable HIV RNA in cerebrospinal fluid (CSF) (p < 0.001). Overall, EFV users had worse speed of information processing (p = 0.04), verbal fluency (p = 0.03), and working memory (p = 0.03). An interaction with HCV serostatus was present: Overall among HCV seronegatives (n = 329), EFV users performed poorly, whereas among HCV seropositives (n = 116), LPV/r users had overall worse performance. In the subgroup with undetectable plasma HIV RNA (n = 269), EFV users had worse speed of information processing (p = 0.02) and executive functioning (p = 0.03). Substantial differences exist between EFV and LPV/r users in this observational cohort, possibly because of channeling by clinicians who may have prescribed LPV/r to more severely ill patients or as second-line therapy. Despite these differences, EFV users had worse functioning in several cognitive abilities. A potentially important interaction was identified that could indicate that the NC consequences of specific antiretroviral drugs may differ based on HCV coinfection. The complexity of these data is substantial, and findings would best be confirmed in a randomized clinical trial.3207 Medical Microbiology (for-2020)32 Biomedical and Clinical Sciences (for-2020)3204 Immunology (for-2020)Infectious Diseases (rcdc)Hepatitis - C (rcdc)Hepatitis (rcdc)Neurosciences (rcdc)Behavioral and Social Science (rcdc)HIV/AIDS (rcdc)Clinical Research (rcdc)Digestive Diseases (rcdc)Liver Disease (rcdc)Emerging Infectious Diseases (rcdc)Mental Health (rcdc)Chronic Liver Disease and Cirrhosis (rcdc)6.1 Pharmaceuticals (hrcs-rac)Infection (hrcs-hc)3 Good Health and Well Being (sdg)Adult (mesh)Alkynes (mesh)Anti-HIV Agents (mesh)Benzoxazines (mesh)CD4 Lymphocyte Count (mesh)CD4-Positive T-Lymphocytes (mesh)Cognitive Dysfunction (mesh)Coinfection (mesh)Cyclopropanes (mesh)Drug TherapyCombination (mesh)Executive Function (mesh)Female (mesh)HIV Infections (mesh)HIV-1 (mesh)Hepacivirus (mesh)Hepatitis C (mesh)Humans (mesh)Lopinavir (mesh)Male (mesh)Memory (mesh)Middle Aged (mesh)Neuropsychological Tests (mesh)Ritonavir (mesh)Verbal Learning (mesh)Long-termantiretroviral therapyNeurocognitive functionEfavirenzLopinavir/ritonavirNeurotoxicityHepatitis C virus coinfectionCHARTER GroupCD4-Positive T-Lymphocytes (mesh)Humans (mesh)Hepacivirus (mesh)HIV-1 (mesh)Hepatitis C (mesh)HIV Infections (mesh)Alkynes (mesh)Cyclopropanes (mesh)Benzoxazines (mesh)Ritonavir (mesh)Anti-HIV Agents (mesh)CD4 Lymphocyte Count (mesh)Drug TherapyCombination (mesh)Memory (mesh)Verbal Learning (mesh)Neuropsychological Tests (mesh)Adult (mesh)Middle Aged (mesh)Female (mesh)Male (mesh)Executive Function (mesh)Lopinavir (mesh)Coinfection (mesh)Cognitive Dysfunction (mesh)EfavirenzHepatitis C virus coinfectionLong-term antiretroviral therapyLopinavir/ritonavirNeurocognitive functionNeurotoxicityAdult (mesh)Alkynes (mesh)Anti-HIV Agents (mesh)Benzoxazines (mesh)CD4 Lymphocyte Count (mesh)CD4-Positive T-Lymphocytes (mesh)Cognitive Dysfunction (mesh)Coinfection (mesh)Cyclopropanes (mesh)Drug TherapyCombination (mesh)Executive Function (mesh)Female (mesh)HIV Infections (mesh)HIV-1 (mesh)Hepacivirus (mesh)Hepatitis C (mesh)Humans (mesh)Lopinavir (mesh)Male (mesh)Memory (mesh)Middle Aged (mesh)Neuropsychological Tests (mesh)Ritonavir (mesh)Verbal Learning (mesh)1103 Clinical Sciences (for)1108 Medical Microbiology (for)1109 Neurosciences (for)Virology (science-metrix)3202 Clinical sciences (for-2020)3207 Medical microbiology (for-2020)3209 Neurosciences (for-2020)application/pdfpubliceScholarship, University of Californiahttps://escholarship.org/uc/item/2f26k47bhttps://escholarship.org/content/qt2f26k47b/qt2f26k47b.pdfinfo:doi/10.1007/s13365-015-0382-7articleJournal of NeuroVirology, vol 22, iss 2170 - 178oai:escholarship.org:ark:/13030/qt7dc3d0zf2026-04-04T10:41:48Zqt7dc3d0zfReal-world impact of neurocognitive deficits in acute and early HIV infectionDoyle, Katie LMorgan, Erin EMorris, SheldonSmith, Davey MLittle, SusanIudicello, Jennifer EBlackstone, KaitlinMoore, David JGrant, IgorLetendre, Scott LWoods, Steven PaulThe Translational Methamphetamine AIDS Research Center (TMARC) Group2013-12-01The acute and early period of HIV-1 infection (AEH) is characterized by neuroinflammatory and immunopathogenic processes that can alter the integrity of neural systems and neurocognitive functions. However, the extent to which central nervous system changes in AEH confer increased risk of real-world functioning (RWF) problems is not known. In the present study, 34 individuals with AEH and 39 seronegative comparison participants completed standardized neuromedical, psychiatric, and neurocognitive research evaluations, alongside a comprehensive assessment of RWF that included cognitive symptoms in daily life, basic and instrumental activities of daily living, clinician-rated global functioning, and employment. Results showed that AEH was associated with a significantly increased risk of dependence in RWF, which was particularly elevated among AEH persons with global neurocognitive impairment (NCI). Among those with AEH, NCI (i.e., deficits in learning and information processing speed), mood disorders (i.e., Bipolar Disorder), and substance dependence (e.g., methamphetamine dependence) were all independently predictive of RWF dependence. Findings suggest that neurocognitively impaired individuals with AEH are at notably elevated risk of clinically significant challenges in normal daily functioning. Screening for neurocognitive, mood, and substance use disorders in AEH may facilitate identification of individuals at high risk of functional dependence who may benefit from psychological and medical strategies to manage their neuropsychiatric conditions.3207 Medical Microbiology (for-2020)32 Biomedical and Clinical Sciences (for-2020)3209 Neurosciences (for-2020)3202 Clinical Sciences (for-2020)HIV/AIDS (rcdc)Substance Misuse (rcdc)Mental Illness (rcdc)Infectious Diseases (rcdc)Brain Disorders (rcdc)Basic Behavioral and Social Science (rcdc)Depression (rcdc)Stimulant Use and Misuse (rcdc)Mental Health (rcdc)Behavioral and Social Science (rcdc)Bipolar Disorder (rcdc)Methamphetamine (rcdc)Clinical Research (rcdc)Drug Abuse (NIDA only) (rcdc)Prevention (rcdc)Neurosciences (rcdc)2.3 Psychologicalsocial and economic factors (hrcs-rac)Mental health (hrcs-hc)3 Good Health and Well Being (sdg)Activities of Daily Living (mesh)Acute Disease (mesh)Adult (mesh)Affect (mesh)Age Factors (mesh)Case-Control Studies (mesh)Cognition (mesh)Cognition Disorders (mesh)Employment (mesh)Executive Function (mesh)Female (mesh)HIV Infections (mesh)HIV-1 (mesh)Humans (mesh)Male (mesh)Memory (mesh)Middle Aged (mesh)Motor Activity (mesh)Neuropsychological Tests (mesh)Research Design (mesh)Substance-Related Disorders (mesh)Time Factors (mesh)Infectious diseaseDisabilitySubstance useNeuropsychologyAIDS-related dementiaTranslational Methamphetamine AIDS Research Center (TMARC) GroupHumans (mesh)HIV-1 (mesh)HIV Infections (mesh)Substance-Related Disorders (mesh)Acute Disease (mesh)Activities of Daily Living (mesh)Case-Control Studies (mesh)Motor Activity (mesh)Affect (mesh)Cognition (mesh)Memory (mesh)Cognition Disorders (mesh)Neuropsychological Tests (mesh)Age Factors (mesh)Research Design (mesh)Time Factors (mesh)Adult (mesh)Middle Aged (mesh)Employment (mesh)Female (mesh)Male (mesh)Executive Function (mesh)Activities of Daily Living (mesh)Acute Disease (mesh)Adult (mesh)Affect (mesh)Age Factors (mesh)Case-Control Studies (mesh)Cognition (mesh)Cognition Disorders (mesh)Employment (mesh)Executive Function (mesh)Female (mesh)HIV Infections (mesh)HIV-1 (mesh)Humans (mesh)Male (mesh)Memory (mesh)Middle Aged (mesh)Motor Activity (mesh)Neuropsychological Tests (mesh)Research Design (mesh)Substance-Related Disorders (mesh)Time Factors (mesh)1103 Clinical Sciences (for)1108 Medical Microbiology (for)1109 Neurosciences (for)Virology (science-metrix)3202 Clinical sciences (for-2020)3207 Medical microbiology (for-2020)3209 Neurosciences (for-2020)publiceScholarship, University of Californiahttps://escholarship.org/uc/item/7dc3d0zfinfo:doi/10.1007/s13365-013-0218-2articleJournal of NeuroVirology, vol 19, iss 6565 - 573oai:escholarship.org:ark:/13030/qt5bq114rr2026-04-04T10:41:02Zqt5bq114rrComparison of Fragmentation Functions for Jets Dominated by Light Quarks and Gluons from pp and Pb+Pb Collisions in ATLASAaboud, MAad, GAbbott, BAbdinov, OAbeloos, BAbhayasinghe, DKAbidi, SHAbouZeid, OSAbraham, NLAbramowicz, HAbreu, HAbulaiti, YAcharya, BSAdachi, SAdamczyk, LAdelman, JAdersberger, MAdiguzel, AAdye, TAffolder, AAAfik, YAgheorghiesei, CAguilar-Saavedra, JAAhmadov, FAielli, GAkatsuka, SÅkesson, TPAAkilli, EAkimov, AVAlberghi, GLAlbert, JAlbicocco, PVerzini, MJ AlconadaAlderweireldt, SAleksa, MAleksandrov, INAlexa, CAlexopoulos, TAlhroob, MAli, BAlimonti, GAlison, JAlkire, SPAllaire, CAllbrooke, BMMAllen, BWAllport, PPAloisio, AAlonso, AAlonso, FAlpigiani, CAlshehri, AAAlstaty, MIGonzalez, B AlvarezPiqueras, D ÁlvarezAlviggi, MGAmadio, BTCoutinho, Y AmaralAmbroz, LAmelung, CAmidei, DDos Santos, SP AmorAmoroso, SAmrouche, CSAnastopoulos, CAncu, LSAndari, NAndeen, TAnders, CFAnders, JKAnderson, KJAndreazza, AAndrei, VAnelli, CRAngelidakis, SAngelozzi, IAngerami, AAnisenkov, AVAnnovi, AAntel, CAnthony, MTAntonelli, MAntrim, DJAAnulli, FAoki, MPozo, JA AparisiBella, L AperioArabidze, GAraque, JPFerraz, V AraujoPereira, R AraujoArce, ATHArdell, REArduh, FAArguin, J-FArgyropoulos, SArmbruster, AJArmitage, LJArmstrong, AArnaez, O2019-07-26Charged-particle fragmentation functions for jets azimuthally balanced by a high-transverse-momentum, prompt, isolated photon are measured in 25 pb^{-1} of pp and 0.49 nb^{-1} of Pb+Pb collision data at 5.02 TeV per nucleon pair recorded with the ATLAS detector at the Large Hadron Collider. The measurements are compared to predictions of Monte Carlo generators and to measurements of inclusively selected jets. In pp collisions, a different jet fragmentation function in photon-tagged events from that in inclusive jet events arises from the difference in fragmentation between light quarks and gluons. The ratios of the fragmentation functions in Pb+Pb events to that in pp events are used to explore the parton color-charge dependence of jet quenching in the hot medium. In relatively peripheral collisions, fragmentation functions exhibit a similar modification pattern for photon-tagged and inclusive jets. However, photon-tagged jets are observed to have larger modifications than inclusive jets in central Pb+Pb events.5106 Nuclear and Plasma Physics (for-2020)5107 Particle and High Energy Physics (for-2020)51 Physical Sciences (for-2020)ATLAS Collaborationnucl-exnucl-exhep-ex01 Mathematical Sciences (for)02 Physical Sciences (for)09 Engineering (for)General Physics (science-metrix)40 Engineering (for-2020)49 Mathematical sciences (for-2020)51 Physical sciences (for-2020)publiceScholarship, University of Californiahttps://escholarship.org/uc/item/5bq114rrinfo:doi/10.1103/physrevlett.123.042001articlePhysical Review Letters, vol 123, iss 4042001oai:escholarship.org:ark:/13030/qt2xc921fp2026-04-04T10:37:00Zqt2xc921fpThree-dimensional diffractive imaging for crystalline monolayers with one-dimensional compact supportSpence, JCHWeierstall, UFricke, TTGlaeser, RMDowning, KH2003-10-01The use of a compact support constraint along the beam direction is considered as a solution to the phase problem for diffraction by two-dimensional protein crystals. Specifically we apply the iterative Gerchberg-Saxton-Fienup algorithm to simulated three-dimensional transmission electron diffraction data from monolayer organic crystals. We find that oversampling along the reciprocal-lattice rods (relrods) normal to the monolayer alone does not solve the phase problem in this geometry in general. However, based on simulations for a crystalline protein monolayer (lysozyme), we find that convergence is obtained in three dimensions if phases are supplied from a few high resolution electron microscope images recorded at small tilts to the beam direction. In the absence of noise, amplitude-weighted phase residuals of around 5 degrees, and a cross-correlation coefficient of 0.96 between the true and estimated potential are obtained if phases are included from images at tilts of up to 15 degrees. The performance is almost as good in the presence of noise at a level that is comparable to that commonly observed in electron crystallography of proteins. The method should greatly reduce the time and labor needed for data acquisition and analysis in cryo-electron microscopy of organic thin crystals by avoiding the need to record images at high tilt angles.3101 Biochemistry and Cell Biology (for-2020)31 Biological Sciences (for-2020)Algorithms (mesh)Cryoelectron Microscopy (mesh)Electrons (mesh)Ethylenes (mesh)Fourier Analysis (mesh)Image ProcessingComputer-Assisted (mesh)ImagingThree-Dimensional (mesh)MicroscopyElectron (mesh)ModelsStatistical (mesh)Muramidase (mesh)Nitriles (mesh)Static Electricity (mesh)X-Ray Diffraction (mesh)electron crystallographydiffractionprotein structurephase determinationEthylenes (mesh)Nitriles (mesh)Muramidase (mesh)ImagingThree-Dimensional (mesh)MicroscopyElectron (mesh)Cryoelectron Microscopy (mesh)X-Ray Diffraction (mesh)ModelsStatistical (mesh)Algorithms (mesh)Fourier Analysis (mesh)Electrons (mesh)Image ProcessingComputer-Assisted (mesh)Static Electricity (mesh)Algorithms (mesh)Cryoelectron Microscopy (mesh)Electrons (mesh)Ethylenes (mesh)Fourier Analysis (mesh)Image ProcessingComputer-Assisted (mesh)ImagingThree-Dimensional (mesh)MicroscopyElectron (mesh)ModelsStatistical (mesh)Muramidase (mesh)Nitriles (mesh)Static Electricity (mesh)X-Ray Diffraction (mesh)EthylenesNitrilesMuramidaseImagingThree-DimensionalMicroscopyElectronCryoelectron MicroscopyX-Ray DiffractionModelsStatisticalAlgorithmsFourier AnalysisElectronsImage ProcessingComputer-AssistedStatic Electricity0601 Biochemistry and Cell Biology (for)0608 Zoology (for)Biophysics (science-metrix)3101 Biochemistry and cell biology (for-2020)publiceScholarship, University of Californiahttps://escholarship.org/uc/item/2xc921fpinfo:doi/10.1016/j.jsb.2003.09.019multimediaJournal of Structural Biology, vol 144, iss 1-2209 - 218oai:escholarship.org:ark:/13030/qt9p3450632026-04-04T10:31:47Zqt9p345063Amyloid PET imaging in Alzheimer’s disease: a comparison of three radiotracersLandau, SMThomas, BAThurfjell, LSchmidt, MMargolin, RMintun, MPontecorvo, MBaker, SLJagust, WJthe Alzheimer’s Disease Neuroimaging Initiative2014-07-01PurposeThe increasing use of amyloid PET in Alzheimer’s disease research and clinical trials has motivated efforts to standardize methodology. We compared retention of the 11C radiotracer Pittsburgh Compound B (PiB) and that of two 18F amyloid radiotracers (florbetapir and flutemetamol) using two study populations. We also examined the feasibility of converting between tracer-specific measures, using PiB as the common link between the two 18F tracers.MethodsOne group of 40 subjects underwent PiB and flutemetamol imaging sessions and a separate group of 32 subjects underwent PiB and florbetapir imaging sessions. We compared cortical and white matter retention for each 18F tracer relative to that of PiB, as well as retention in several reference regions and image analysis methods. Correlations between tracer pairs were used to convert tracer-specific threshold values for amyloid positivity between tracers.ResultsCortical retention for each pair of tracers was strongly correlated regardless of reference region (PiB–flutemetamol, ρ = 0.84–0.99; PiB–florbetapir, ρ = 0.83–0.97) and analysis method (ρ = 0.90–0.99). Compared to PiB, flutemetamol had higher white matter retention, while florbetapir had lower cortical retention. Two previously established independent thresholds for amyloid positivity were highly consistent when values were converted between tracer pairs.ConclusionDespite differing white and grey matter retention characteristics, cortical retention for each 18F tracer was highly correlated with that of PiB, enabling conversion of thresholds across tracer measurement scales with a high level of internal consistency. Standardization of analysis methods and measurement scales may facilitate the comparison of amyloid PET data obtained using different tracers.32 Biomedical and Clinical Sciences (for-2020)3202 Clinical Sciences (for-2020)Biomedical Imaging (rcdc)Aging (rcdc)Dementia (rcdc)Acquired Cognitive Impairment (rcdc)Bioengineering (rcdc)Alzheimer's Disease (rcdc)Brain Disorders (rcdc)Alzheimer's Disease including Alzheimer's Disease Related Dementias (AD/ADRD) (rcdc)Neurosciences (rcdc)Neurodegenerative (rcdc)Aged (mesh)Alzheimer Disease (mesh)Amyloid (mesh)Cerebral Cortex (mesh)Female (mesh)Humans (mesh)Image ProcessingComputer-Assisted (mesh)Male (mesh)Positron-Emission Tomography (mesh)Radiopharmaceuticals (mesh)White Matter (mesh)AmyloidAlzheimer's diseasePET imagingNeurologyAlzheimer’s Disease Neuroimaging InitiativeCerebral Cortex (mesh)Humans (mesh)Alzheimer Disease (mesh)Amyloid (mesh)Radiopharmaceuticals (mesh)Positron-Emission Tomography (mesh)Image ProcessingComputer-Assisted (mesh)Aged (mesh)Female (mesh)Male (mesh)White Matter (mesh)Aged (mesh)Alzheimer Disease (mesh)Amyloid (mesh)Cerebral Cortex (mesh)Female (mesh)Humans (mesh)Image ProcessingComputer-Assisted (mesh)Male (mesh)Positron-Emission Tomography (mesh)Radiopharmaceuticals (mesh)White Matter (mesh)0299 Other Physical Sciences (for)1103 Clinical Sciences (for)Nuclear Medicine & Medical Imaging (science-metrix)3202 Clinical sciences (for-2020)publiceScholarship, University of Californiahttps://escholarship.org/uc/item/9p345063info:doi/10.1007/s00259-014-2753-3articleEuropean Journal of Nuclear Medicine and Molecular Imaging, vol 41, iss 71398 - 1407oai:escholarship.org:ark:/13030/qt4vv3k1c12026-04-04T10:26:59Zqt4vv3k1c1Vaccine Attitudes and COVID-19 Vaccine Intentions and Prevention Behaviors among Young People At-Risk for and Living with HIV in Los Angeles and New OrleansSwendeman, DallasNorwood, PeterSaleska, JessicaLewis, KatherineRamos, WilsonSantaBarbara, NicholasSumstine, StephanieComulada, Warren ScottJimenez, SergioOcasio, Manuel AArnold, Elizabeth MNielsen-Saines, KarinFernandez, Maria IsabelRotheram-Borus, Mary JaneOn Behalf Of The Adolescent Hiv Medicine Trials Network Atn Cares Team2022-01-01Sexual and gender minority (SGM) and racial or ethnic minority youth at-risk for or living with HIV may have higher risk of SARS-CoV-2 infection. However, there are few data on vaccine hesitancy/acceptance and COVID-19 self-protective behaviors among this population. Youth aged 15-24 years (n = 440), predominantly African American and Latine (73%, n = 320) SGM, from Los Angeles and New Orleans reported their vaccine attitudes and COVID-19 and HIV preventive behaviors in October 2020. Latent class analyses categorized individuals into groups based on their vaccine attitudes and preventive behaviors. Relationships between these groups and other factors were analyzed using Fisher's exact tests, ANOVA, and logistic regression. Most youth had accepting vaccine attitudes (70.2%, n = 309), with 20.7% hesitant (n = 91), and 9.1% resistant (n = 40). SGM and African Americans were significantly less accepting than their cis-gender and heterosexual peers. About two-thirds (63.2%, n = 278) of the respondents reported consistent COVID-19 self-protective behaviors. Youth with pro-vaccine attitudes were most consistently self-protective; however, only 54.4% (n= 168/309) intended to take a COVID-19 vaccine. Homelessness history, race, and sexual orientation were associated with vaccine attitudes. Accepting vaccine attitudes and consistent COVID-19 self-protective behaviors were closely related. COVID-19 attitudes/behaviors were not associated with HIV risk and only loosely associated with SARS-CoV-2 vaccine intentions.3213 Paediatrics (for-2020)32 Biomedical and Clinical Sciences (for-2020)Coronaviruses Vaccines (rcdc)Health Disparities and Racial or Ethnic Minority Health Research (rcdc)HIV/AIDS (rcdc)Clinical Research (rcdc)Infectious Diseases (rcdc)Behavioral and Social Science (rcdc)Social Determinants of Health (rcdc)Coronaviruses (rcdc)Immunization (rcdc)Sexual and Gender Minorities (SGM/LGBT*) (rcdc)Vaccine Related (rcdc)Prevention (rcdc)Emerging Infectious Diseases (rcdc)Basic Behavioral and Social Science (rcdc)Pediatric Research Initiative (rcdc)Coronaviruses Disparities and At-Risk Populations (rcdc)Health Disparities (rcdc)Adolescent Sexual Activity (rcdc)Minority Health (rcdc)Infection (hrcs-hc)3 Good Health and Well Being (sdg)COVID-19youthattitudesprevention behaviorsHIVgay/bisexualtransgenderCOVID-19HIVattitudesgay/bisexualprevention behaviorstransgenderyouth3202 Clinical sciences (for-2020)3204 Immunology (for-2020)3207 Medical microbiology (for-2020)publiceScholarship, University of Californiahttps://escholarship.org/uc/item/4vv3k1c1info:doi/10.3390/vaccines10030413articleVaccines, vol 10, iss 3413oai:escholarship.org:ark:/13030/qt5fc2k9r22026-04-04T10:21:45Zqt5fc2k9r2Shapes and vorticities of superfluid helium nanodropletsGomez, Luis FFerguson, Ken RCryan, James PBacellar, CamilaTanyag, Rico Mayro PJones, CurtisSchorb, SebastianAnielski, DenisBelkacem, AliBernando, CharlesBoll, RebeccaBozek, JohnCarron, SebastianChen, GangDelmas, TjarkEnglert, LarsEpp, Sascha WErk, BenjaminFoucar, LutzHartmann, RobertHexemer, AlexanderHuth, MartinKwok, JustinLeone, Stephen RMa, Jonathan HSMaia, Filipe RNCMalmerberg, ErikMarchesini, StefanoNeumark, Daniel MPoon, BillyPrell, JamesRolles, DanielRudek, BenediktRudenko, ArtemSeifrid, MartinSiefermann, Katrin RSturm, Felix PSwiggers, MicheleUllrich, JoachimWeise, FabianZwart, PetrusBostedt, ChristophGessner, OliverVilesov, Andrey F2014-08-22Helium nanodroplets are considered ideal model systems to explore quantum hydrodynamics in self-contained, isolated superfluids. However, exploring the dynamic properties of individual droplets is experimentally challenging. In this work, we used single-shot femtosecond x-ray coherent diffractive imaging to investigate the rotation of single, isolated superfluid helium-4 droplets containing ~10(8) to 10(11) atoms. The formation of quantum vortex lattices inside the droplets is confirmed by observing characteristic Bragg patterns from xenon clusters trapped in the vortex cores. The vortex densities are up to five orders of magnitude larger than those observed in bulk liquid helium. The droplets exhibit large centrifugal deformations but retain axially symmetric shapes at angular velocities well beyond the stability range of viscous classical droplets.5108 Quantum Physics (for-2020)34 Chemical Sciences (for-2020)5102 AtomicMolecular and Optical Physics (for-2020)51 Physical Sciences (for-2020)General Science & Technology (science-metrix)application/pdfpubliceScholarship, University of Californiahttps://escholarship.org/uc/item/5fc2k9r2https://escholarship.org/content/qt5fc2k9r2/qt5fc2k9r2.pdfinfo:doi/10.1126/science.1252395articleScience, vol 345, iss 6199906 - 909oai:escholarship.org:ark:/13030/qt0rt5469j2026-04-04T10:21:30Zqt0rt5469jDevelopment and Validation of a Deep Learning Strategy for Automated View Classification of Pediatric Focused Assessment With Sonography for TraumaKornblith, Aaron EAddo, NewtonDong, RuoleiRogers, RobertGrupp‐Phelan, JacquelineButte, AtulGupta, PavanCallcut, Rachael AArnaout, Rima2022-08-01OBJECTIVE: Pediatric focused assessment with sonography for trauma (FAST) is a sequence of ultrasound views rapidly performed by clinicians to diagnose hemorrhage. A technical limitation of FAST is the lack of expertise to consistently acquire all required views. We sought to develop an accurate deep learning view classifier using a large heterogeneous dataset of clinician-performed pediatric FAST.
METHODS: We developed and conducted a retrospective cohort analysis of a deep learning view classifier on real-world FAST studies performed on injured children less than 18 years old in two pediatric emergency departments by 30 different clinicians. FAST was randomly distributed to training, validation, and test datasets, 70:20:10; each child was represented in only one dataset. The primary outcome was view classifier accuracy for video clips and still frames.
RESULTS: There were 699 FAST studies, representing 4925 video clips and 1,062,612 still frames, performed by 30 different clinicians. The overall classification accuracy was 97.8% (95% confidence interval [CI]: 96.0-99.0) for video clips and 93.4% (95% CI: 93.3-93.6) for still frames. Per view still frames were classified with an accuracy: 96.0% (95% CI: 95.9-96.1) cardiac, 99.8% (95% CI: 99.8-99.8) pleural, 95.2% (95% CI: 95.0-95.3) abdominal upper quadrants, and 95.9% (95% CI: 95.8-96.0) suprapubic.
CONCLUSION: A deep learning classifier can accurately predict pediatric FAST views. Accurate view classification is important for quality assurance and feasibility of a multi-stage deep learning FAST model to enhance the evaluation of injured children.32 Biomedical and Clinical Sciences (for-2020)3202 Clinical Sciences (for-2020)Machine Learning and Artificial Intelligence (rcdc)Networking and Information Technology R&D (NITRD) (rcdc)Pediatric Research Initiative (rcdc)Emergency Care (rcdc)Clinical Research (rcdc)Adolescent (mesh)Child (mesh)Deep Learning (mesh)Emergency ServiceHospital (mesh)Focused Assessment with Sonography for Trauma (mesh)Humans (mesh)Retrospective Studies (mesh)Ultrasonography (mesh)abdominal injuriesdiagnostic imagingultrasonographypediatric traumamachine learningdeep learningHumans (mesh)Ultrasonography (mesh)Retrospective Studies (mesh)Adolescent (mesh)Child (mesh)Emergency ServiceHospital (mesh)Deep Learning (mesh)Focused Assessment with Sonography for Trauma (mesh)abdominal injuries/diagnostic imagingdeep learningmachine learningpediatric traumaultrasonographyAdolescent (mesh)Child (mesh)Deep Learning (mesh)Emergency ServiceHospital (mesh)Focused Assessment with Sonography for Trauma (mesh)Humans (mesh)Retrospective Studies (mesh)Ultrasonography (mesh)1103 Clinical Sciences (for)Nuclear Medicine & Medical Imaging (science-metrix)3202 Clinical sciences (for-2020)application/pdfpubliceScholarship, University of Californiahttps://escholarship.org/uc/item/0rt5469jhttps://escholarship.org/content/qt0rt5469j/qt0rt5469j.pdfinfo:doi/10.1002/jum.15868articleJournal of Ultrasound in Medicine, vol 41, iss 81915 - 1924oai:escholarship.org:ark:/13030/qt3846d0m62026-04-04T10:17:35Zqt3846d0m6A search for pair-produced resonances in four-jet final states at s=13TeV with the ATLAS detectorAaboud, MAad, GAbbott, BAbdinov, OAbeloos, BAbidi, SHAbouZeid, OSAbraham, NLAbramowicz, HAbreu, HAbreu, RAbulaiti, YAcharya, BSAdachi, SAdamczyk, LAdelman, JAdersberger, MAdye, TAffolder, AAAgatonovic-Jovin, TAgheorghiesei, CAguilar-Saavedra, JAAhlen, SPAhmadov, FAielli, GAkatsuka, SAkerstedt, HÅkesson, TPAAkilli, EAkimov, AVAlberghi, GLAlbert, JAlbicocco, PAlconada Verzini, MJAlderweireldt, SCAleksa, MAleksandrov, INAlexa, CAlexander, GAlexopoulos, TAlhroob, MAli, BAliev, MAlimonti, GAlison, JAlkire, SPAllbrooke, BMMAllen, BWAllport, PPAloisio, AAlonso, AAlonso, FAlpigiani, CAlshehri, AAAlstaty, MIAlvarez Gonzalez, BÁlvarez Piqueras, DAlviggi, MGAmadio, BTAmaral Coutinho, YAmelung, CAmidei, DAmor Dos Santos, SPAmorim, AAmoroso, SAmundsen, GAnastopoulos, CAncu, LSAndari, NAndeen, TAnders, CFAnders, JKAnderson, KJAndreazza, AAndrei, VAngelidakis, SAngelozzi, IAngerami, AAnisenkov, AVAnjos, NAnnovi, AAntel, CAntonelli, MAntonov, AAntrim, DJAnulli, FAoki, MAperio Bella, LArabidze, GArai, YAraque, JPAraujo Ferraz, VArce, ATHArdell, REArduh, FAArguin, J-FArgyropoulos, SArik, MArmbruster, AJArmitage, LJ2018-03-01A search for massive coloured resonances which are pair-produced and decay into two jets is presented. The analysis uses 36.7 fb-1$$^{-1}$$ of s$$\sqrt{s}$$ = 13 TeV pp collision data recorded by the ATLAS experiment at the LHC in 2015 and 2016. No significant deviation from the background prediction is observed. Results are interpreted in a SUSY simplified model where the lightest supersymmetric particle is the top squark, t~$$\tilde{t}$$, which decays promptly into two quarks through R-parity-violating couplings. Top squarks with masses in the range 100GeV5106 Nuclear and Plasma Physics (for-2020)5107 Particle and High Energy Physics (for-2020)51 Physical Sciences (for-2020)ATLAS Collaborationhep-exhep-ex0202 AtomicMolecularNuclearParticle and Plasma Physics (for)0206 Quantum Physics (for)Nuclear & Particles Physics (science-metrix)5101 Astronomical sciences (for-2020)5102 Atomicmolecular and optical physics (for-2020)5107 Particle and high energy physics (for-2020)application/pdfCC-BYeScholarship, University of Californiahttps://escholarship.org/uc/item/3846d0m6https://escholarship.org/content/qt3846d0m6/qt3846d0m6.pdfinfo:doi/10.1140/epjc/s10052-018-5693-4articleEuropean Physical Journal C, vol 78, iss 3250oai:escholarship.org:ark:/13030/qt2x2108sb2026-04-04T10:16:26Zqt2x2108sbThe global burden of adolescent and young adult cancer in 2019: a systematic analysis for the Global Burden of Disease Study 2019Collaborators, GBD 2019 Adolescent Young Adult CancerAlvarez, Elysia MForce, Lisa MXu, RixingCompton, KellyLu, DanHenrikson, Hannah JacquelineKocarnik, Jonathan MHarvey, James DPennini, AlyssaDean, Frances EFu, WeijiaVargas, Martina TKeegan, Theresa HMAriffin, HanyBarr, Ronald DErdomaeva, Yana ArturovnaGunasekera, D SanjeevaJohn-Akinola, Yetunde OKetterl, Tyler GKutluk, TezerMalogolowkin, Marcio HenriqueMathur, PrashantRadhakrishnan, VenkatramanRies, Lynn Ann GloecklerRodriguez-Galindo, CarlosSagoyan, Garik BarisovichSultan, IyadAbbasi, BehzadAbbasi-Kangevari, MohsenAbbasi-Kangevari, ZeinabAbbastabar, HedayatAbdelmasseh, MichaelAbd-Elsalam, SheriefAbdoli, AmirAbebe, HaimanotAbedi, AidinAbidi, HassanAbolhassani, HassanAli, Hiwa AbubakerAbu-Gharbieh, EmanAchappa, BasavaprabhuAcuna, Juan ManuelAdedeji, Isaac AkinkunmiAdegboye, Oyelola AAdnani, Qorinah Estiningtyas SakilahAdvani, Shailesh MAfzal, Muhammad SohailMeybodi, Mohamad AghaieAhadinezhad, BahmanAhinkorah, Bright OpokuAhmad, SajjadAhmadi, SepidehAhmed, Muktar BeshirRashid, Tarik AhmedSalih, Yusra AhmedAiman, WajeehaAkalu, Gizachew TaddesseAl Hamad, HanadiAlahdab, FaresAlAmodi, Abdulhadi AAlanezi, Fahad MashhourAlanzi, Turki MAlem, Adugnaw ZelekeAlem, Dejene TsegayeAlemayehu, YosefAlhalaiqa, Fadwa NajiAlhassan, Robert KabaAli, SaqibAlicandro, GianfrancoAlipour, VahidAljunid, Syed MohamedAlkhayyat, MotasemAlluri, SunithaAlmasri, Nihad AAl-Maweri, Sadeq AliAlmustanyir, SamiAl-Raddadi, Rajaa MAlvis-Guzman, NelsonAmeyaw, Edward KwabenaAmini, SaeedAmu, HubertAncuceanu, RobertAndrei, Catalina LilianaAndrei, TudorelAnsari, FereshtehAnsari-Moghaddam, AlirezaAnvari, DavoodAnyasodor, Anayochukwu EdwardArabloo, JalalArab-Zozani, MortezaArgaw, Ayele MamoArshad, MuhammadArulappan, JudieAryannejad, ArminAsemi, ZatollahJafarabadi, Mohammad AsghariAtashzar, Mohammad RezaAtorkeyAtreya, Alok2022-01-01BACKGROUND: In estimating the global burden of cancer, adolescents and young adults with cancer are often overlooked, despite being a distinct subgroup with unique epidemiology, clinical care needs, and societal impact. Comprehensive estimates of the global cancer burden in adolescents and young adults (aged 15-39 years) are lacking. To address this gap, we analysed results from the Global Burden of Diseases, Injuries, and Risk Factors Study (GBD) 2019, with a focus on the outcome of disability-adjusted life-years (DALYs), to inform global cancer control measures in adolescents and young adults.
METHODS: Using the GBD 2019 methodology, international mortality data were collected from vital registration systems, verbal autopsies, and population-based cancer registry inputs modelled with mortality-to-incidence ratios (MIRs). Incidence was computed with mortality estimates and corresponding MIRs. Prevalence estimates were calculated using modelled survival and multiplied by disability weights to obtain years lived with disability (YLDs). Years of life lost (YLLs) were calculated as age-specific cancer deaths multiplied by the standard life expectancy at the age of death. The main outcome was DALYs (the sum of YLLs and YLDs). Estimates were presented globally and by Socio-demographic Index (SDI) quintiles (countries ranked and divided into five equal SDI groups), and all estimates were presented with corresponding 95% uncertainty intervals (UIs). For this analysis, we used the age range of 15-39 years to define adolescents and young adults.
FINDINGS: There were 1·19 million (95% UI 1·11-1·28) incident cancer cases and 396 000 (370 000-425 000) deaths due to cancer among people aged 15-39 years worldwide in 2019. The highest age-standardised incidence rates occurred in high SDI (59·6 [54·5-65·7] per 100 000 person-years) and high-middle SDI countries (53·2 [48·8-57·9] per 100 000 person-years), while the highest age-standardised mortality rates were in low-middle SDI (14·2 [12·9-15·6] per 100 000 person-years) and middle SDI (13·6 [12·6-14·8] per 100 000 person-years) countries. In 2019, adolescent and young adult cancers contributed 23·5 million (21·9-25·2) DALYs to the global burden of disease, of which 2·7% (1·9-3·6) came from YLDs and 97·3% (96·4-98·1) from YLLs. Cancer was the fourth leading cause of death and tenth leading cause of DALYs in adolescents and young adults globally.
INTERPRETATION: Adolescent and young adult cancers contributed substantially to the overall adolescent and young adult disease burden globally in 2019. These results provide new insights into the distribution and magnitude of the adolescent and young adult cancer burden around the world. With notable differences observed across SDI settings, these estimates can inform global and country-level cancer control efforts.
FUNDING: Bill & Melinda Gates Foundation, American Lebanese Syrian Associated Charities, St Baldrick's Foundation, and the National Cancer Institute.32 Biomedical and Clinical Sciences (for-2020)3211 Oncology and Carcinogenesis (for-2020)Pediatric Research Initiative (rcdc)Cancer (rcdc)Prevention (rcdc)Rare Diseases (rcdc)Burden of Illness (rcdc)2.4 Surveillance and distribution (hrcs-rac)Cancer (hrcs-hc)3 Good Health and Well Being (sdg)Adolescent (mesh)Adult (mesh)Cause of Death (mesh)Disability-Adjusted Life Years (mesh)Female (mesh)Global Burden of Disease (mesh)Global Health (mesh)Humans (mesh)Incidence (mesh)Life Expectancy (mesh)Male (mesh)Mortality (mesh)Neoplasms (mesh)Prevalence (mesh)Risk Factors (mesh)Socioeconomic Factors (mesh)Young Adult (mesh)GBD 2019 Adolescent Young Adult Cancer CollaboratorsHumans (mesh)Neoplasms (mesh)Life Expectancy (mesh)Incidence (mesh)Prevalence (mesh)Mortality (mesh)Cause of Death (mesh)Risk Factors (mesh)Socioeconomic Factors (mesh)Adolescent (mesh)Adult (mesh)Female (mesh)Male (mesh)Young Adult (mesh)Global Health (mesh)Global Burden of Disease (mesh)Disability-Adjusted Life Years (mesh)Adolescent (mesh)Adult (mesh)Cause of Death (mesh)Disability-Adjusted Life Years (mesh)Female (mesh)Global Burden of Disease (mesh)Global Health (mesh)Humans (mesh)Incidence (mesh)Life Expectancy (mesh)Male (mesh)Mortality (mesh)Neoplasms (mesh)Prevalence (mesh)Risk Factors (mesh)Socioeconomic Factors (mesh)Young Adult (mesh)1112 Oncology and Carcinogenesis (for)Oncology & Carcinogenesis (science-metrix)3211 Oncology and carcinogenesis (for-2020)application/pdfpubliceScholarship, University of Californiahttps://escholarship.org/uc/item/2x2108sbhttps://escholarship.org/content/qt2x2108sb/qt2x2108sb.pdfinfo:doi/10.1016/s1470-2045(21)00581-7articleThe Lancet Oncology, vol 23, iss 127 - 52oai:escholarship.org:ark:/13030/qt41r662pm2026-04-04T10:11:57Zqt41r662pmVirus diversity and activity is driven by snowmelt and host dynamics in a high-altitude watershed soil ecosystemCoclet, ClementSorensen, Patrick OKaraoz, UlasWang, ShiBrodie, Eoin LEloe-Fadrosh, Emiley ARoux, Simon2023-01-01BackgroundViruses impact nearly all organisms on Earth, including microbial communities and their associated biogeochemical processes. In soils, highly diverse viral communities have been identified, with a global distribution seemingly driven by multiple biotic and abiotic factors, especially soil temperature and moisture. However, our current understanding of the stability of soil viral communities across time and their response to strong seasonal changes in environmental parameters remains limited. Here, we investigated the diversity and activity of environmental soil DNA and RNA viruses, focusing especially on bacteriophages, across dynamics’ seasonal changes in a snow-dominated mountainous watershed by examining paired metagenomes and metatranscriptomes.ResultsWe identified a large number of DNA and RNA viruses taxonomically divergent from existing environmental viruses, including a significant proportion of fungal RNA viruses, and a large and unsuspected diversity of positive single-stranded RNA phages (Leviviricetes), highlighting the under-characterization of the global soil virosphere. Among these, we were able to distinguish subsets of active DNA and RNA phages that changed across seasons, consistent with a “seed-bank” viral community structure in which new phage activity, for example, replication and host lysis, is sequentially triggered by changes in environmental conditions. At the population level, we further identified virus-host dynamics matching two existing ecological models: “Kill-The-Winner” which proposes that lytic phages are actively infecting abundant bacteria, and “Piggyback-The-Persistent” which argues that when the host is growing slowly, it is more beneficial to remain in a dormant state. The former was associated with summer months of high and rapid microbial activity, and the latter with winter months of limited and slow host growth.ConclusionTaken together, these results suggest that the high diversity of viruses in soils is likely associated with a broad range of host interaction types each adapted to specific host ecological strategies and environmental conditions. As our understanding of how environmental and host factors drive viral activity in soil ecosystems progresses, integrating these viral impacts in complex natural microbiome models will be key to accurately predict ecosystem biogeochemistry.2RJdjcjTGzDNGfvgvrWr_YVideo Abstract3107 Microbiology (for-2020)31 Biological Sciences (for-2020)3103 Ecology (for-2020)Genetics (rcdc)Emerging Infectious Diseases (rcdc)Infectious Diseases (rcdc)Infection (hrcs-hc)Humans (mesh)Ecosystem (mesh)Soil (mesh)Altitude (mesh)Viruses (mesh)Bacteriophages (mesh)Soil Microbiology (mesh)Microbiota (mesh)DNA (mesh)PhagesVirusesMetagenomics and metatranscriptomicsVirus activityVirus-host interactionsMountainous watershedSoilsSeasonal dynamicsHumans (mesh)Viruses (mesh)Bacteriophages (mesh)DNA (mesh)Soil (mesh)Soil Microbiology (mesh)Altitude (mesh)Ecosystem (mesh)Microbiota (mesh)Metagenomics and metatranscriptomicsMountainous watershedPhagesSeasonal dynamicsSoilsVirus activityVirus-host interactionsVirusesHumans (mesh)Ecosystem (mesh)Soil (mesh)Altitude (mesh)Viruses (mesh)Bacteriophages (mesh)Soil Microbiology (mesh)Microbiota (mesh)DNA (mesh)0602 Ecology (for)0605 Microbiology (for)1108 Medical Microbiology (for)3104 Evolutionary biology (for-2020)3107 Microbiology (for-2020)application/pdfCC-BYeScholarship, University of Californiahttps://escholarship.org/uc/item/41r662pmhttps://escholarship.org/content/qt41r662pm/qt41r662pm.pdfinfo:doi/10.1186/s40168-023-01666-zarticleMicrobiome, vol 11, iss 1237oai:escholarship.org:ark:/13030/qt8qb0p7j72026-04-04T10:07:37Zqt8qb0p7j7Distributed Acoustic Sensing Using Dark Fiber for Near-Surface Characterization and Broadband Seismic Event DetectionAjo-Franklin, Jonathan BDou, ShanLindsey, Nathaniel JMonga, InderTracy, ChrisRobertson, MichelleRodriguez Tribaldos, VeronicaUlrich, CraigFreifeld, BarryDaley, ThomasLi, Xiaoye2019-01-01We present one of the first case studies demonstrating the use of distributed acoustic sensing deployed on regional unlit fiber-optic telecommunication infrastructure (dark fiber) for broadband seismic monitoring of both near-surface soil properties and earthquake seismology. We recorded 7 months of passive seismic data on a 27 km section of dark fiber stretching from West Sacramento, CA to Woodland, CA, densely sampled at 2 m spacing. This dataset was processed to extract surface wave velocity information using ambient noise interferometry techniques; the resulting VS profiles were used to map both shallow structural profiles and groundwater depth, thus demonstrating that basin-scale variations in hydrological state could be resolved using this technique. The same array was utilized for detection of regional and teleseismic earthquakes and evaluated for long period response using records from the M8.1 Chiapas, Mexico 2017, Sep 8th event. The combination of these two sets of observations conclusively demonstrates that regionally extensive fiber-optic networks can effectively be utilized for a host of geoscience observation tasks at a combination of scale and resolution previously inaccessible.37 Earth Sciences (for-2020)46 Information and Computing Sciences (for-2020)3705 Geology (for-2020)3706 Geophysics (for-2020)application/pdfpubliceScholarship, University of Californiahttps://escholarship.org/uc/item/8qb0p7j7https://escholarship.org/content/qt8qb0p7j7/qt8qb0p7j7.pdfinfo:doi/10.1038/s41598-018-36675-8articleScientific Reports, vol 9, iss 11328oai:escholarship.org:ark:/13030/qt5nt2c3rf2026-04-04T10:03:17Zqt5nt2c3rfEngineering current density over 5 kA mm−2 at 4.2 K, 14 T in thick film REBCO tapesMajkic, GoranPratap, RudraXu, AixiaGalstyan, EduardHigley, Hugh CPrestemon, Soren OWang, XiaorongAbraimov, DmytroJaroszynski, JanSelvamanickam, Venkat2018-10-01We report on remarkably high in-field performance at 4.2 K achieved in >4 μm thick rare earth barium copper oxide (REBCO) samples with Zr addition. Two different samples have been measured independently at Lawrence Berkeley National Laboratory and the National High Magnetic Field Laboratory, achieving critical current densities (J c ) of 12.21 MA cm−2 and 12.32 MA cm−2 at 4.2 K, 14 T (), respectively, which corresponds to equivalent critical current (I c ) values of 2247 and 2119 A/4 mm. These I c values are about two times higher than the best reported performance of REBCO tapes to date and more than five times higher than the commercial HTS tapes reported in a recent study. The measured J c values, with a pinning force of ~1.7 T N m−3 are almost identical to the highest value reported for thin (~1 μm thick) REBCO at the field and temperature, but extended to very thick (>4 μm) films. This results in an engineering current density (J e ) above 5 kA mm−2 at 4.2 K, 14 T, which is more than five times higher than Nb3Sn and nearly four times higher than the highest reported value of all superconductors other than REBCO at this field and temperature. The reported results have been achieved by utilizing an advanced metal organic chemical vapor deposition system. This study demonstrates the remarkable level of in-field performance achievable with REBCO conductors at 4.2 K and strong potential for high-field magnet applications.40 Engineering (for-2020)4016 Materials Engineering (for-2020)51 Physical Sciences (for-2020)HTSYBCOcoated conductor0204 Condensed Matter Physics (for)0906 Electrical and Electronic Engineering (for)0912 Materials Engineering (for)General Physics (science-metrix)4016 Materials engineering (for-2020)5104 Condensed matter physics (for-2020)application/pdfpubliceScholarship, University of Californiahttps://escholarship.org/uc/item/5nt2c3rfhttps://escholarship.org/content/qt5nt2c3rf/qt5nt2c3rf.pdfinfo:doi/10.1088/1361-6668/aad844articleSuperconductor Science and Technology, vol 31, iss 1010lt01oai:escholarship.org:ark:/13030/qt446511hd2026-04-04T10:01:20Zqt446511hdSearch for vector-boson resonances decaying to a top quark and bottom quark in the lepton plus jets final state in pp collisions at s = 13 TeV with the ATLAS detectorCollaboration, The ATLASAaboud, MAad, GAbbott, BAbdinov, OAbeloos, BAbhayasinghe, DKAbidi, SHAbouZeid, OSAbraham, NLAbramowicz, HAbreu, HAbulaiti, YAcharya, BSAdachi, SAdamczyk, LAdelman, JAdersberger, MAdiguzel, AAdye, TAffolder, AAAfik, YAgheorghiesei, CAguilar-Saavedra, JAAhmadov, FAielli, GAkatsuka, SÅkesson, TPAAkilli, EAkimov, AVAlberghi, GLAlbert, JAlbicocco, PVerzini, MJ AlconadaAlderweireldt, SAleksa, MAleksandrov, INAlexa, CAlexopoulos, TAlhroob, MAli, BAlimonti, GAlison, JAlkire, SPAllaire, CAllbrooke, BMMAllen, BWAllport, PPAloisio, AAlonso, AAlonso, FAlpigiani, CAlshehri, AAAlstaty, MIGonzalez, B AlvarezPiqueras, D ÁlvarezAlviggi, MGAmadio, BTCoutinho, Y AmaralAmbroz, LAmelung, CAmidei, DDos Santos, SP AmorAmoroso, SAmrouche, CSAnastopoulos, CAncu, LSAndari, NAndeen, TAnders, CFAnders, JKAnderson, KJAndreazza, AAndrei, VAnelli, CRAngelidakis, SAngelozzi, IAngerami, AAnisenkov, AVAnnovi, AAntel, CAnthony, MTAntonelli, MAntrim, DJAAnulli, FAoki, MPozo, JA AparisiBella, L AperioArabidze, GAraque, JPFerraz, V AraujoPereira, R AraujoArce, ATHArdell, REArduh, FAArguin, J-FArgyropoulos, SArmbruster, AJArmitage, LJArmstrong, A2019-01-01A search for new charged massive gauge bosons, W ′ , is performed with the ATLAS detector at the LHC. Data were collected in proton–proton collisions at a center-of-mass energy of s = 13 TeV and correspond to an integrated luminosity of 36.1 fb − 1 . This analysis searches for W ′ bosons in the W ′ → t b ¯ decay channel in final states with an electron or muon plus jets. The search covers resonance masses between 0.5 and 5.0 TeV and considers right-handed W ′ bosons. No significant deviation from the Standard Model (SM) expectation is observed and upper limits are set on the W ′ → t b ¯ cross section times branching ratio and the W ′ boson effective couplings as a function of the W ′ boson mass. For right-handed W ′ bosons with coupling to the SM particles equal to the SM weak coupling constant, masses below 3.15 TeV are excluded at the 95% confidence level. This search is also combined with a previously published ATLAS result for W ′ → t b ¯ in the fully hadronic final state. Using the combined searches, right-handed W ′ bosons with masses below 3.25 TeV are excluded at the 95% confidence level.5106 Nuclear and Plasma Physics (for-2020)5107 Particle and High Energy Physics (for-2020)51 Physical Sciences (for-2020)hep-exhep-ex0105 Mathematical Physics (for)0201 Astronomical and Space Sciences (for)0202 AtomicMolecularNuclearParticle and Plasma Physics (for)Nuclear & Particles Physics (science-metrix)49 Mathematical sciences (for-2020)51 Physical sciences (for-2020)publiceScholarship, University of Californiahttps://escholarship.org/uc/item/446511hdinfo:doi/10.1016/j.physletb.2018.11.032articlePhysics Letters B, vol 788347 - 370oai:escholarship.org:ark:/13030/qt5532m5pv2026-04-04T09:57:42Zqt5532m5pvMeasurement of the exclusive γγ → μ + μ − process in proton–proton collisions at s = 13 TeV with the ATLAS detectorCollaboration, The ATLASAaboud, MAad, GAbbott, BAbdinov, OAbeloos, BAbidi, SHAbouZeid, OSAbraham, NLAbramowicz, HAbreu, HAbreu, RAbulaiti, YAcharya, BSAdachi, SAdamczyk, LAdelman, JAdersberger, MAdye, TAffolder, AAAfik, YAgatonovic-Jovin, TAgheorghiesei, CAguilar-Saavedra, JAAhlen, SPAhmadov, FAielli, GAkatsuka, SAkerstedt, HÅkesson, TPAAkilli, EAkimov, AVAlberghi, GLAlbert, JAlbicocco, PVerzini, MJ AlconadaAlderweireldt, SCAleksa, MAleksandrov, INAlexa, CAlexander, GAlexopoulos, TAlhroob, MAli, BAliev, MAlimonti, GAlison, JAlkire, SPAllbrooke, BMMAllen, BWAllport, PPAloisio, AAlonso, AAlonso, FAlpigiani, CAlshehri, AAAlstaty, MIGonzalez, B AlvarezPiqueras, D ÁlvarezAlviggi, MGAmadio, BTCoutinho, Y AmaralAmelung, CAmidei, DDos Santos, SP AmorAmoroso, SAmundsen, GAnastopoulos, CAncu, LSAndari, NAndeen, TAnders, CFAnders, JKAnderson, KJAndreazza, AAndrei, VAngelidakis, SAngelozzi, IAngerami, AAnisenkov, AVAnjos, NAnnovi, AAntel, CAntonelli, MAntonov, AAntrim, DJAnulli, FAoki, MBella, L AperioArabidze, GArai, YAraque, JPFerraz, V AraujoArce, ATHArdell, REArduh, FAArguin, J-FArgyropoulos, SArik, MArmbruster, AJ2018-02-01The production of exclusive γ γ → μ + μ − events in proton–proton collisions at a centre-of-mass energy of 13 TeV is measured with the ATLAS detector at the LHC, using data corresponding to an integrated luminosity of 3.2 fb−1. The measurement is performed for a dimuon invariant mass of 12 GeV < m μ + μ − < 70 GeV . The integrated cross-section is determined within a fiducial acceptance region of the ATLAS detector and differential cross-sections are measured as a function of the dimuon invariant mass. The results are compared to theoretical predictions both with and without corrections for absorptive effects.5106 Nuclear and Plasma Physics (for-2020)5107 Particle and High Energy Physics (for-2020)4902 Mathematical Physics (for-2020)49 Mathematical Sciences (for-2020)51 Physical Sciences (for-2020)hep-exhep-ex0105 Mathematical Physics (for)0201 Astronomical and Space Sciences (for)0202 AtomicMolecularNuclearParticle and Plasma Physics (for)Nuclear & Particles Physics (science-metrix)49 Mathematical sciences (for-2020)51 Physical sciences (for-2020)application/pdfpubliceScholarship, University of Californiahttps://escholarship.org/uc/item/5532m5pvhttps://escholarship.org/content/qt5532m5pv/qt5532m5pv.pdfinfo:doi/10.1016/j.physletb.2017.12.043articlePhysics Letters B, vol 777303 - 323oai:escholarship.org:ark:/13030/qt4sn2p0kg2026-04-04T09:57:20Zqt4sn2p0kgA multiscale predictive digital twin for neurocardiac modulationYang, Pei‐ChiRose, AdamDeMarco, Kevin RDawson, John RDHan, YanxiaoJeng, Mao‐TsuenHarvey, Robert DSantana, L FernandoRipplinger, Crystal MVorobyov, IgorLewis, Timothy JClancy, Colleen E2023-09-01Cardiac function is tightly regulated by the autonomic nervous system (ANS). Activation of the sympathetic nervous system increases cardiac output by increasing heart rate and stroke volume, while parasympathetic nerve stimulation instantly slows heart rate. Importantly, imbalance in autonomic control of the heart has been implicated in the development of arrhythmias and heart failure. Understanding of the mechanisms and effects of autonomic stimulation is a major challenge because synapses in different regions of the heart result in multiple changes to heart function. For example, nerve synapses on the sinoatrial node (SAN) impact pacemaking, while synapses on contractile cells alter contraction and arrhythmia vulnerability. Here, we present a multiscale neurocardiac modelling and simulator tool that predicts the effect of efferent stimulation of the sympathetic and parasympathetic branches of the ANS on the cardiac SAN and ventricular myocardium. The model includes a layered representation of the ANS and reproduces firing properties measured experimentally. Model parameters are derived from experiments and atomistic simulations. The model is a first prototype of a digital twin that is applied to make predictions across all system scales, from subcellular signalling to pacemaker frequency to tissue level responses. We predict conditions under which autonomic imbalance induces proarrhythmia and can be modified to prevent or inhibit arrhythmia. In summary, the multiscale model constitutes a predictive digital twin framework to test and guide high-throughput prediction of novel neuromodulatory therapy. KEY POINTS: A multi-layered model representation of the autonomic nervous system that includes sympathetic and parasympathetic branches, each with sparse random intralayer connectivity, synaptic dynamics and conductance based integrate-and-fire neurons generates firing patterns in close agreement with experiment. A key feature of the neurocardiac computational model is the connection between the autonomic nervous system and both pacemaker and contractile cells, where modification to pacemaker frequency drives initiation of electrical signals in the contractile cells. We utilized atomic-scale molecular dynamics simulations to predict the association and dissociation rates of noradrenaline with the β-adrenergic receptor. Multiscale predictions demonstrate how autonomic imbalance may increase proclivity to arrhythmias or be used to terminate arrhythmias. The model serves as a first step towards a digital twin for predicting neuromodulation to prevent or reduce disease.3208 Medical Physiology (for-2020)32 Biomedical and Clinical Sciences (for-2020)Bioengineering (rcdc)Heart Disease (rcdc)Networking and Information Technology R&D (NITRD) (rcdc)Cardiovascular (rcdc)Neurosciences (rcdc)Cardiovascular (hrcs-hc)Humans (mesh)Heart (mesh)Autonomic Nervous System (mesh)ArrhythmiasCardiac (mesh)Parasympathetic Nervous System (mesh)Sympathetic Nervous System (mesh)Heart Rate (mesh)Sinoatrial Node (mesh)arrhythmiaautonomic nervous systemcardiac electrophysiologycomputational modeldigital twinsparasympatheticsympathetic nervous systemHeart (mesh)Sinoatrial Node (mesh)Autonomic Nervous System (mesh)Parasympathetic Nervous System (mesh)Sympathetic Nervous System (mesh)Humans (mesh)Heart Rate (mesh)ArrhythmiasCardiac (mesh)arrhythmiaautonomic nervous systemcardiac electrophysiologycomputational modeldigital twinsparasympatheticsympathetic nervous systemHumans (mesh)Heart (mesh)Autonomic Nervous System (mesh)ArrhythmiasCardiac (mesh)Parasympathetic Nervous System (mesh)Sympathetic Nervous System (mesh)Heart Rate (mesh)Sinoatrial Node (mesh)06 Biological Sciences (for)11 Medical and Health Sciences (for)Physiology (science-metrix)31 Biological sciences (for-2020)32 Biomedical and clinical sciences (for-2020)42 Health sciences (for-2020)application/pdfCC-BYeScholarship, University of Californiahttps://escholarship.org/uc/item/4sn2p0kghttps://escholarship.org/content/qt4sn2p0kg/qt4sn2p0kg.pdfinfo:doi/10.1113/jp284391articleThe Journal of Physiology, vol 601, iss 173789 - 3812oai:escholarship.org:ark:/13030/qt6zw6x3vt2026-04-04T09:57:09Zqt6zw6x3vtDynamics of adrenergic signaling in cardiac myocytes and implications for pharmacological treatmentMeyer, Emily EClancy, Colleen ELewis, Timothy J2021-06-01Dense innervation of the heart by the sympathetic nervous system (SNS) allows cardiac output to respond appropriately to the needs of the body under varying conditions, but occasionally the abrupt onset of SNS activity can trigger cardiac arrhythmias. Sympathetic activity leads to the release of norepinephrine (NE) onto cardiomyocytes, activating β1-adrenergic receptors (β1-ARs) and leading to the production of the second messenger cyclic AMP (cAMP). Upon sudden activation of β1-ARs in experiments, intracellular cAMP can transiently rise to a high concentration before converging to a steady state level. Although changes to cellular cAMP concentration are important in modulating the overall cardiovascular response to sympathetic tone, the underlying mechanisms of the cAMP transients and the parameters that control their magnitude are unclear. We reduce a detailed computational model of the β1-adrenergic signaling cascade to a system of two differential equations by eliminating extraneous variables and applying quasi-steady state approximation. The structure of the reduced model reveals that the large cAMP transients associated with abrupt β1-AR activation are generated by the interplay of production/degradation of cAMP and desensitization/resensitization of β1-ARs. The reduced model is used to predict how the dynamics of intracellular cAMP depend on the concentrations of norepinephrine (NE), phosphodiesterases 3 and 4 (PDE3,4), G-protein coupled receptor kinase 2 (GRK2), and β1-AR, in healthy conditions and a simple model of early stages of heart failure. The key findings of the study are as follows: 1) Applying a reduced model of the dynamics of cardiac sympathetic signaling we show that the concentrations of two variables, cAMP and non-desensitized β1-AR, capture the overall dynamics of sympathetic signaling; 2) The key factors influencing cAMP production are AC activity and PDE3,4 activity, while those that directly impact β1-AR phosphorylation are GRK2 and PKA1. Thus, disease states that affect sympathetic control of the heart can be thoroughly assessed by studying AC activity, PDE3,4, GRK2 and PKA activity, as these factors directly impact cAMP production/degradation and β1-AR (de) phosphorylation and are therefore predicted to comprise the most effective pharmaceutical targets in diseases affecting cardiac β1-adrenergic signaling.31 Biological Sciences (for-2020)Cardiovascular (rcdc)Heart Disease (rcdc)Neurosciences (rcdc)1.1 Normal biological development and functioning (hrcs-rac)2.1 Biological and endogenous factors (hrcs-rac)Cardiovascular (hrcs-hc)Adrenergic Agents (mesh)Cyclic AMP (mesh)Humans (mesh)MyocytesCardiac (mesh)ReceptorsAdrenergicbeta-1 (mesh)Signal Transduction (mesh)Sympathetic nervous systemCyclic AMPHeart failurebeta-blockersMathematical modelMyocytesCardiac (mesh)Humans (mesh)ReceptorsAdrenergicbeta-1 (mesh)Cyclic AMP (mesh)Adrenergic Agents (mesh)Signal Transduction (mesh)-blockersCyclic AMPHeart failureMathematical modelSympathetic nervous systemAdrenergic Agents (mesh)Cyclic AMP (mesh)Humans (mesh)MyocytesCardiac (mesh)ReceptorsAdrenergicbeta-1 (mesh)Signal Transduction (mesh)01 Mathematical Sciences (for)06 Biological Sciences (for)08 Information and Computing Sciences (for)Evolutionary Biology (science-metrix)31 Biological sciences (for-2020)49 Mathematical sciences (for-2020)application/pdfCC-BYeScholarship, University of Californiahttps://escholarship.org/uc/item/6zw6x3vthttps://escholarship.org/content/qt6zw6x3vt/qt6zw6x3vt.pdfinfo:doi/10.1016/j.jtbi.2021.110619articleJournal of Theoretical Biology, vol 519110619oai:escholarship.org:ark:/13030/qt3q5178722026-04-04T09:56:57Zqt3q517872Demonstration of cooling by the Muon Ionization Cooling ExperimentBogomilov, MTsenov, RVankova-Kirilova, GSong, YPTang, JYLi, ZHBertoni, RBonesini, MChignoli, FMazza, RPalladino, Vde Bari, AOrestano, DTortora, LKuno, YSakamoto, HSato, AIshimoto, SChung, MSung, CKFilthaut, FJokovic, DMaletic, DSavic, MJovancevic, NNikolov, JVretenar, MRamberger, SAsfandiyarov, RBlondel, ADrielsma, FKaradzhov, YBoyd, SGreis, JRLord, TPidcott, CTaylor, ICharnley, GCollomb, NDumbell, KGallagher, AGrant, AGriffiths, SHartnett, TMartlew, BMoss, AMuir, AMullacrane, IOates, AOwens, PStokes, GWarburton, PWhite, CAdams, DBayliss, VBoehm, JBradshaw, TWBrown, CCourthold, MGovans, JHills, MLagrange, J-BMacwaters, CNichols, APreece, RRicciardi, SRogers, CStanley, TTarrant, JTucker, MWatson, SWilson, ABayes, RNugent, JCSoler, FJPChatzitheodoridis, GTDick, AJRonald, KWhyte, CGYoung, ARGamet, RCooke, PBlackmore, VJColling, DDobbs, ADornan, PFranchini, PHunt, CJurj, PBKurup, ALong, KMartyniak, JMiddleton, SPasternak, JUchida, MACobb, JHBooth, CNHodgson, PLanglands, JOverton, E2020-02-06The use of accelerated beams of electrons, protons or ions has furthered the development of nearly every scientific discipline. However, high-energy muon beams of equivalent quality have not yet been delivered. Muon beams can be created through the decay of pions produced by the interaction of a proton beam with a target. Such ‘tertiary’ beams have much lower brightness than those created by accelerating electrons, protons or ions. High-brightness muon beams comparable to those produced by state-of-the-art electron, proton and ion accelerators could facilitate the study of lepton–antilepton collisions at extremely high energies and provide well characterized neutrino beams1–6. Such muon beams could be realized using ionization cooling, which has been proposed to increase muon-beam brightness7,8. Here we report the realization of ionization cooling, which was confirmed by the observation of an increased number of low-amplitude muons after passage of the muon beam through an absorber, as well as an increase in the corresponding phase-space density. The simulated performance of the ionization cooling system is consistent with the measured data, validating designs of the ionization cooling channel in which the cooling process is repeated to produce a substantial cooling effect9–11. The results presented here are an important step towards achieving the muon-beam quality required to search for phenomena at energy scales beyond the reach of the Large Hadron Collider at a facility of equivalent or reduced footprint6.5106 Nuclear and Plasma Physics (for-2020)5107 Particle and High Energy Physics (for-2020)5110 Synchrotrons and Accelerators (for-2020)51 Physical Sciences (for-2020)MICE collaborationATAP-2020 (c-lbnl-label)ATAP-GENERAL (c-lbnl-label)ATAP-BACI (c-lbnl-label)General Science & Technology (science-metrix)application/pdfCC-BYeScholarship, University of Californiahttps://escholarship.org/uc/item/3q517872https://escholarship.org/content/qt3q517872/qt3q517872.pdfinfo:doi/10.1038/s41586-020-1958-9articleNature, vol 578, iss 779353 - 59oai:escholarship.org:ark:/13030/qt7n71n64r2026-04-04T09:56:15Zqt7n71n64rMeasurement of the centrality and pseudorapidity dependence of the integrated elliptic flow in lead–lead collisions at sNN=2.76 TeV with the ATLAS detectorThe ATLAS CollaborationAad, GAbbott, BAbdallah, JAbdel Khalek, SAbdinov, OAben, RAbi, BAbolins, MAbouZeid, OSAbramowicz, HAbreu, HAbreu, RAbulaiti, YAcharya, BSAdamczyk, LAdams, DLAdelman, JAdomeit, SAdye, TAgatonovic-Jovin, TAguilar-Saavedra, JAAgustoni, MAhlen, SPAhmadov, FAielli, GÅkesson, TPAAkimoto, GAkimov, AVAlberghi, GLAlbert, JAlbrand, SAlconada Verzini, MJAleksa, MAleksandrov, INAlexa, CAlexander, GAlexandre, GAlexopoulos, TAlhroob, MAlimonti, GAlio, LAlison, JAllbrooke, BMMAllison, LJAllport, PPAllwood-Spiers, SEAlmond, JAloisio, AAlonso, AAlonso, FAlpigiani, CAltheimer, AAlvarez Gonzalez, BAlviggi, MGAmako, KAmaral Coutinho, YAmelung, CAmidei, DAmor Dos Santos, SPAmorim, AAmoroso, SAmram, NAmundsen, GAnastopoulos, CAncu, LSAndari, NAndeen, TAnders, CFAnders, GAnderson, KJAndreazza, AAndrei, VAnduaga, XSAngelidakis, SAngelozzi, IAnger, PAngerami, AAnghinolfi, FAnisenkov, AVAnjos, NAnnovi, AAntonaki, AAntonelli, MAntonov, AAntos, JAnulli, FAoki, MAperio Bella, LApolle, RArabidze, GAracena, IArai, YAraque, JPArce, ATHArguin, J-FArgyropoulos, SArik, MArmbruster, AJArnaez, O2014-08-01The integrated elliptic flow of charged particles produced in Pb+Pb collisions at sNN=2.76$$\sqrt{{s}_{\mathrm {NN}}}=2.76$$ TeV has been measured with the ATLAS detector using data collected at the Large Hadron Collider. The anisotropy parameter, v2$$v_2$$, was measured in the pseudorapidity range |η|≤2.5$$|\eta |\le 2.5$$ with the event-plane method. In order to include tracks with very low transverse momentum pT$$p_{\mathrm {T}}$$, thus reducing the uncertainty in v2$$v_2$$ integrated over pT$$p_{\mathrm {T}}$$, a 1μb-1$$1~\mu \hbox {b}^{-1}$$ data sample recorded without a magnetic field in the tracking detectors is used. The centrality dependence of the integrated v2$$v_2$$ is compared to other measurements obtained with higher pT$$p_{\mathrm {T}}$$ thresholds. The integrated elliptic flow is weakly decreasing with |η|$$|\eta |$$. The integrated v2$$v_2$$ transformed to the rest frame of one of the colliding nuclei is compared to the lower-energy RHIC data.5106 Nuclear and Plasma Physics (for-2020)5107 Particle and High Energy Physics (for-2020)51 Physical Sciences (for-2020)ATLAS CollaborationATLAS Collaborationhep-exhep-exnucl-ex0202 AtomicMolecularNuclearParticle and Plasma Physics (for)0206 Quantum Physics (for)Nuclear & Particles Physics (science-metrix)5101 Astronomical sciences (for-2020)5102 Atomicmolecular and optical physics (for-2020)5107 Particle and high energy physics (for-2020)application/pdfCC-BYeScholarship, University of Californiahttps://escholarship.org/uc/item/7n71n64rhttps://escholarship.org/content/qt7n71n64r/qt7n71n64r.pdfinfo:doi/10.1140/epjc/s10052-014-2982-4articleEuropean Physical Journal C, vol 74, iss 82982oai:escholarship.org:ark:/13030/qt29v3n5pz2026-04-04T09:52:21Zqt29v3n5pzMeasurements of the Nuclear Modification Factor for Jets in Pb+Pb Collisions at sNN=2.76 TeV with the ATLAS DetectorAad, GAbbott, BAbdallah, JKhalek, S AbdelAbdinov, OAben, RAbi, BAbolins, MAbouZeid, OSAbramowicz, HAbreu, HAbreu, RAbulaiti, YAcharya, BSAdamczyk, LAdams, DLAdelman, JAdomeit, SAdye, TAgatonovic-Jovin, TAguilar-Saavedra, JAAgustoni, MAhlen, SPAhmadov, FAielli, GAkerstedt, HÅkesson, TPAAkimoto, GAkimov, AVAlberghi, GLAlbert, JAlbrand, SVerzini, MJ AlconadaAleksa, MAleksandrov, INAlexa, CAlexander, GAlexandre, GAlexopoulos, TAlhroob, MAlimonti, GAlio, LAlison, JAllbrooke, BMMAllison, LJAllport, PPAlmond, JAloisio, AAlonso, AAlonso, FAlpigiani, CAltheimer, AGonzalez, B AlvarezAlviggi, MGAmako, KCoutinho, Y AmaralAmelung, CAmidei, DDos Santos, SP AmorAmorim, AAmoroso, SAmram, NAmundsen, GAnastopoulos, CAncu, LSAndari, NAndeen, TAnders, CFAnders, GAnderson, KJAndreazza, AAndrei, VAnduaga, XSAngelidakis, SAngelozzi, IAnger, PAngerami, AAnghinolfi, FAnisenkov, AVAnjos, NAnnovi, AAntonaki, AAntonelli, MAntonov, AAntos, JAnulli, FAoki, MBella, L AperioApolle, RArabidze, GAracena, IArai, YAraque, JPArce, ATHArguin, J-FArgyropoulos, SArik, MArmbruster, AJArnaez, OArnal, V2015-02-20Measurements of inclusive jet production are performed in pp and Pb+Pb collisions at √(s)NN=2.76 TeV with the ATLAS detector at the LHC, corresponding to integrated luminosities of 4.0 and 0.14 nb(-1), respectively. The jets are identified with the anti-k(t) algorithm with R=0.4, and the spectra are measured over the kinematic range of jet transverse momentum 325106 Nuclear and Plasma Physics (for-2020)5107 Particle and High Energy Physics (for-2020)51 Physical Sciences (for-2020)hep-exhep-ex01 Mathematical Sciences (for)02 Physical Sciences (for)09 Engineering (for)General Physics (science-metrix)40 Engineering (for-2020)49 Mathematical sciences (for-2020)51 Physical sciences (for-2020)application/pdfCC-BYeScholarship, University of Californiahttps://escholarship.org/uc/item/29v3n5pzhttps://escholarship.org/content/qt29v3n5pz/qt29v3n5pz.pdfinfo:doi/10.1103/physrevlett.114.072302articlePhysical Review Letters, vol 114, iss 7072302oai:escholarship.org:ark:/13030/qt00f9n2252026-04-04T09:51:47Zqt00f9n225Performance of the CMS high-level trigger during LHC Run 2Hayrapetyan, ATumasyan, AAdam, WAndrejkovic, JWBenato, LBergauer, TChatterjee, SDamanakis, KDragicevic, MHussain, PSJeitler, MKrammer, NLi, ALiko, DMikulec, ISchieck, JSchöfbeck, RSchwarz, DSonawane, MWaltenberger, WWulz, C-EJanssen, TVan Laer, TVan Mechelen, PBreugelmans, ND'Hondt, JDansana, SDe Moor, ADelcourt, MHeyen, FLowette, SMakarenko, IMüller, DTavernier, STytgat, MVan Onsem, GPVan Putte, SVannerom, DBeghin, DBilin, BBrun, HClerbaux, BDas, AKDe Bruyn, IDe Lentdecker, GEvard, HFavart, LGianneios, PJaramillo, JKhalilzadeh, AKhan, FALee, KMalara, AParedes, SShahzad, MAThomas, LBemden, M VandenVander Velde, CVanlaer, PCornelis, TDe Coen, MDobur, DGokbulut, GHong, YKnolle, JLambrecht, LMarckx, DAmarilo, K MotaSkovpen, KVan Den Bossche, Nvan der Linden, JWezenbeek, LBenecke, ABethani, ABruno, GCaputo, CDe Jeneret, J De FavereauDelaere, CDonertas, ISGiammanco, AGuzel, AOJainLemaitre, VLidrych, JMastrapasqua, PTran, TTTurkcapar, SAlves, GACoelho, ESilva, G CorreiaHensel, CDe Oliveira, T MenezesHerrera, C MoraTeles, P RebelloSoeiro, MManganote, EJ TonelliPereira, A VilelaJúnior, WL AldáFilho, M Barroso FerreiraMalbouisson, H Brandao2024-11-01The CERN LHC provided proton and heavy ion collisions during its Run 2 operation period from 2015 to 2018. Proton-proton collisions reached a peak instantaneous luminosity of 2.1× 1034 cm-2s-1, twice the initial design value, at √(s)=13 TeV. The CMS experiment records a subset of the collisions for further processing as part of its online selection of data for physics analyses, using a two-level trigger system: the Level-1 trigger, implemented in custom-designed electronics, and the high-level trigger, a streamlined version of the offline reconstruction software running on a large computer farm. This paper presents the performance of the CMS high-level trigger system during LHC Run 2 for physics objects, such as leptons, jets, and missing transverse momentum, which meet the broad needs of the CMS physics program and the challenge of the evolving LHC and detector conditions. Sophisticated algorithms that were originally used in offline reconstruction were deployed online. Highlights include a machine-learning b tagging algorithm and a reconstruction algorithm for tau leptons that decay hadronically.5106 Nuclear and Plasma Physics (for-2020)5107 Particle and High Energy Physics (for-2020)51 Physical Sciences (for-2020)Networking and Information Technology R&D (NITRD) (rcdc)Machine Learning and Artificial Intelligence (rcdc)Bioengineering (rcdc)Large detector systems for particle and astroparticle physicsTrigger concepts and systems (hardware and software)02 Physical Sciences (for)09 Engineering (for)Nuclear & Particles Physics (science-metrix)40 Engineering (for-2020)51 Physical sciences (for-2020)application/pdfCC-BYeScholarship, University of Californiahttps://escholarship.org/uc/item/00f9n225https://escholarship.org/content/qt00f9n225/qt00f9n225.pdfinfo:doi/10.1088/1748-0221/19/11/p11021articleJournal of Instrumentation, vol 19, iss 11p11021oai:escholarship.org:ark:/13030/qt1d05p2b92026-04-04T09:51:35Zqt1d05p2b9Searches for Pair-Produced Multijet Resonances Using Data Scouting in Proton-Proton Collisions at s=13 TeVHayrapetyan, ATumasyan, AAdam, WAndrejkovic, JWBergauer, TChatterjee, SDamanakis, KDragicevic, MHussain, PSJeitler, MKrammer, NLi, ALiko, DMikulec, ISchieck, JSchöfbeck, RSchwarz, DSonawane, MTempl, SWaltenberger, WWulz, C-EDarwish, MRJanssen, TVan Mechelen, PBreugelmans, ND’Hondt, JDansana, SDe Moor, ADelcourt, MHeyen, FLowette, SMakarenko, IMüller, DTavernier, STytgat, MVan Onsem, GPVan Putte, SVannerom, DClerbaux, BDas, AKDe Lentdecker, GEvard, HFavart, LGianneios, PHohov, DJaramillo, JKhalilzadeh, AKhan, FALee, KMahdavikhorrami, MMalara, AParedes, SThomas, LBemden, M VandenVander Velde, CVanlaer, PDe Coen, MDobur, DGokbulut, GHong, YKnolle, JLambrecht, LMarckx, DMestdach, GAmarilo, K MotaRendón, CSamalan, ASkovpen, KVan Den Bossche, Nvan der Linden, JWezenbeek, LBenecke, ABethani, ABruno, GCaputo, CDe Jeneret, J De FavereauDelaere, CDonertas, ISGiammanco, AGuzel, AOJainLemaitre, VLidrych, JMastrapasqua, PTran, TTWertz, SAlves, GACoelho, EHensel, CDe Oliveira, T MenezesMoraes, ATeles, P RebelloSoeiro, MPereira, A VilelaJúnior, WL AldáPereira, M Alves GalloFilho, M Barroso FerreiraMalbouisson, H BrandaoCarvalho, WChinellato, J2024-11-15Searches for pair-produced multijet signatures using data corresponding to an integrated luminosity of 128 fb^{-1} of proton-proton collisions at sqrt[s]=13 TeV are presented. A data scouting technique is employed to record events with low jet scalar transverse momentum sum values. The electroweak production of particles predicted in R-parity violating supersymmetric models is probed for the first time with fully hadronic final states. This is the first search for prompt hadronically decaying mass-degenerate higgsinos, and extends current exclusions on R-parity violating top squarks and gluinos.5106 Nuclear and Plasma Physics (for-2020)5107 Particle and High Energy Physics (for-2020)4902 Mathematical Physics (for-2020)49 Mathematical Sciences (for-2020)51 Physical Sciences (for-2020)CMS Collaboration01 Mathematical Sciences (for)02 Physical Sciences (for)09 Engineering (for)General Physics (science-metrix)40 Engineering (for-2020)49 Mathematical sciences (for-2020)51 Physical sciences (for-2020)application/pdfCC-BYeScholarship, University of Californiahttps://escholarship.org/uc/item/1d05p2b9https://escholarship.org/content/qt1d05p2b9/qt1d05p2b9.pdfinfo:doi/10.1103/physrevlett.133.201803articlePhysical Review Letters, vol 133, iss 20201803oai:escholarship.org:ark:/13030/qt7w04z1kv2026-04-04T09:51:08Zqt7w04z1kvMuon identification using multivariate techniques in the CMS experiment in proton-proton collisions at sqrt(s) = 13 TeVHayrapetyan, ATumasyan, AAdam, WAndrejkovic, JWBergauer, TChatterjee, SDamanakis, KDragicevic, MDel Valle, A EscalanteHussain, PSJeitler, MKrammer, NLiko, DMikulec, ISchieck, JSchöfbeck, RSchwarz, DSonawane, MTempl, SWaltenberger, WWulz, C-EDarwish, MRJanssen, TVan Mechelen, PBols, ESD'Hondt, JDansana, SDe Moor, ADelcourt, MFaham, H ElLowette, SMakarenko, IMüller, DSahasransu, ARTavernier, STytgat, MVan Putte, SVannerom, DClerbaux, BDe Lentdecker, GFavart, LHohov, DJaramillo, JKhalilzadeh, ALee, KMahdavikhorrami, MMalara, AParedes, SPétré, LPostiau, NThomas, LBemden, M VandenVander Velde, CVanlaer, PDe Coen, MDobur, DHong, YKnolle, JLambrecht, LMestdach, GRendón, CSamalan, ASkovpen, KVan Den Bossche, NWezenbeek, LBenecke, ABruno, GCaputo, CDelaere, CDonertas, ISGiammanco, AJaffel, KJainLemaitre, VLidrych, JMastrapasqua, PMondal, KTran, TTWertz, SAlves, GACoelho, EHensel, CDe Oliveira, T MenezesMoraes, ATeles, P RebelloSoeiro, MJúnior, WL AldáPereira, M Alves GalloFilho, M Barroso FerreiraMalbouisson, H BrandaoCarvalho, WChinellato, JDa Costa, EMDa Silveira, GGDe Jesus Damiao, DDe Souza, S FonsecaMartins, JHerrera, C MoraAmarilo, K MotaMundim, L2024-02-01The identification of prompt and isolated muons, as well as muons from heavy-flavour hadron decays, is an important task. We developed two multivariate techniques to provide highly efficient identification for muons with transverse momentum greater than 10 GeV. One provides a continuous variable as an alternative to a cut-based identification selection and offers a better discrimination power against misidentified muons. The other one selects prompt and isolated muons by using isolation requirements to reduce the contamination from nonprompt muons arising in heavy-flavour hadron decays. Both algorithms are developed using 59.7 fb-1 of proton-proton collisions data at a centre-of-mass energy of √(s)=13 TeV collected in 2018 with the CMS experiment at the CERN LHC.5106 Nuclear and Plasma Physics (for-2020)5107 Particle and High Energy Physics (for-2020)51 Physical Sciences (for-2020)Muon spectrometersParticle identification methodsParticle tracking detectors02 Physical Sciences (for)09 Engineering (for)Nuclear & Particles Physics (science-metrix)40 Engineering (for-2020)51 Physical sciences (for-2020)application/pdfCC-BYeScholarship, University of Californiahttps://escholarship.org/uc/item/7w04z1kvhttps://escholarship.org/content/qt7w04z1kv/qt7w04z1kv.pdfinfo:doi/10.1088/1748-0221/19/02/p02031articleJournal of Instrumentation, vol 19, iss 02p02031oai:escholarship.org:ark:/13030/qt9g15583q2026-04-04T09:50:55Zqt9g15583qStudy of azimuthal anisotropy of ϒ(1S) mesons in pPb collisions at s NN = 8.16 TeVTumasyan, AAdam, WAndrejkovic, JWBergauer, TChatterjee, SDamanakis, KDragicevic, MDel Valle, A EscalanteHussain, PSJeitler, MKrammer, NLechner, LLiko, DMikulec, IPaulitsch, PPitters, FMSchieck, JSchöfbeck, RSchwarz, DSonawane, MTempl, SWaltenberger, WWulz, C-EDarwish, MRJanssen, TKello, TSfar, H RejebVan Mechelen, PBols, ESD'Hondt, JDe Moor, ADelcourt, MFaham, H ElLowette, SMoortgat, SMorton, AMüller, DSahasransu, ARTavernier, SVan Doninck, WVannerom, DClerbaux, BDe Lentdecker, GFavart, LHohov, DJaramillo, JLee, KMahdavikhorrami, MMakarenko, IMalara, AParedes, SPétré, LPostiau, NThomas, LBemden, M VandenVander Velde, CVanlaer, PDobur, DKnolle, JLambrecht, LMestdach, GNiedziela, MRendón, CRoskas, CSamalan, ASkovpen, KTytgat, MVan Den Bossche, NVermassen, BWezenbeek, LBenecke, ABruno, GBury, FCaputo, CDavid, PDelaere, CDonertas, ISGiammanco, AJaffel, KJainLemaitre, VMondal, KTaliercio, ATran, TTVischia, PWertz, SAlves, GACoelho, EHensel, CMoraes, ATeles, P RebelloJúnior, WL AldáPereira, M Alves GalloFilho, M Barroso FerreiraMalbouisson, H BrandaoCarvalho, WChinellato, JDa Costa, EMDa Silveira, GGDe Jesus Damiao, D2024-03-01The azimuthal anisotropy of Image 1 mesons in high-multiplicity proton-lead collisions is studied using data collected by the CMS experiment at a nucleon-nucleon center-of-mass energy of 8.16 TeV . The Image 1 mesons are reconstructed using their dimuon decay channel. The anisotropy is characterized by the second Fourier harmonic coefficients, found using a two-particle correlation technique, in which the Image 1 mesons are correlated with charged hadrons. A large pseudorapidity gap is used to suppress short-range correlations. Nonflow contamination from the dijet background is removed using a low-multiplicity subtraction method, and the results are presented as a function of Image 1 transverse momentum. The azimuthal anisotropies are smaller than those found for charmonia in proton-lead collisions at the same collision energy, but are consistent with values found for Image 1 mesons in lead-lead interactions at a nucleon-nucleon center-of-mass energy of 5.02 TeV.5106 Nuclear and Plasma Physics (for-2020)5107 Particle and High Energy Physics (for-2020)51 Physical Sciences (for-2020)CMSpPbHeavy ionv2UpsilonFlow0105 Mathematical Physics (for)0201 Astronomical and Space Sciences (for)0202 AtomicMolecularNuclearParticle and Plasma Physics (for)Nuclear & Particles Physics (science-metrix)49 Mathematical sciences (for-2020)51 Physical sciences (for-2020)application/pdfCC-BYeScholarship, University of Californiahttps://escholarship.org/uc/item/9g15583qhttps://escholarship.org/content/qt9g15583q/qt9g15583q.pdfinfo:doi/10.1016/j.physletb.2024.138518articlePhysics Letters B, vol 850138518oai:escholarship.org:ark:/13030/qt8sq3n3c62026-04-04T09:50:44Zqt8sq3n3c6Search for new Higgs bosons via same-sign top quark pair production in association with a jet in proton-proton collisions at s = 13 TeVHayrapetyan, ATumasyan, AAdam, WAndrejkovic, JWBergauer, TChatterjee, SDamanakis, KDragicevic, MHussain, PSJeitler, MKrammer, NLi, ALiko, DMikulec, ISchieck, JSchöfbeck, RSchwarz, DSonawane, MTempl, SWaltenberger, WWulz, C-EDarwish, MRJanssen, TVan Mechelen, PBols, ESD'Hondt, JDansana, SDe Moor, ADelcourt, MFaham, H ElLowette, SMakarenko, IMüller, DSahasransu, ARTavernier, STytgat, MVan Putte, SVannerom, DClerbaux, BDe Lentdecker, GFavart, LHohov, DJaramillo, JKhalilzadeh, ALee, KMahdavikhorrami, MMalara, AParedes, SPétré, LPostiau, NThomas, LBemden, M VandenVander Velde, CVanlaer, PDe Coen, MDobur, DHong, YKnolle, JLambrecht, LMestdach, GRendón, CSamalan, ASkovpen, KVan Den Bossche, Nvan der Linden, JWezenbeek, LBenecke, ABruno, GCaputo, CDelaere, CDonertas, ISGiammanco, AJaffel, KJainLemaitre, VLidrych, JMastrapasqua, PMondal, KTran, TTWertz, SAlves, GACoelho, EHensel, CDe Oliveira, T MenezesMoraes, ATeles, P RebelloSoeiro, MJúnior, WL AldáPereira, M Alves GalloFilho, M Barroso FerreiraMalbouisson, H BrandaoCarvalho, WChinellato, JDa Costa, EMDa Silveira, GGDe Jesus Damiao, DDe Souza, S FonsecaMartins, JHerrera, C MoraAmarilo, K Mota2024-03-01A search is presented for new Higgs bosons in proton-proton (pp) collision events in which a same-sign top quark pair is produced in association with a jet, via the p p → t H / A → t t c ‾ and p p → t H / A → t t u ‾ processes. Here, H and A represent the extra scalar and pseudoscalar boson, respectively, of the second Higgs doublet in the generalized two-Higgs-doublet model (g2HDM). The search is based on pp collision data collected at a center-of-mass energy of 13 TeV with the CMS detector at the LHC, corresponding to an integrated luminosity of 138fb−1. Final states with a same-sign lepton pair in association with jets and missing transverse momentum are considered. New Higgs bosons in the 200–1000 GeV mass range and new Yukawa couplings between 0.1 and 1.0 are targeted in the search, for scenarios in which either H or A appear alone, or in which they coexist and interfere. No significant excess above the standard model prediction is observed. Exclusion limits are derived in the context of the g2HDM.5106 Nuclear and Plasma Physics (for-2020)5107 Particle and High Energy Physics (for-2020)51 Physical Sciences (for-2020)CMSTop quarksExtra Higgs bosonYukawa couplings0105 Mathematical Physics (for)0201 Astronomical and Space Sciences (for)0202 AtomicMolecularNuclearParticle and Plasma Physics (for)Nuclear & Particles Physics (science-metrix)49 Mathematical sciences (for-2020)51 Physical sciences (for-2020)application/pdfCC-BYeScholarship, University of Californiahttps://escholarship.org/uc/item/8sq3n3c6https://escholarship.org/content/qt8sq3n3c6/qt8sq3n3c6.pdfinfo:doi/10.1016/j.physletb.2024.138478articlePhysics Letters B, vol 850138478oai:escholarship.org:ark:/13030/qt5823k3702026-04-04T09:50:02Zqt5823k370The LUX-ZEPLIN (LZ) experimentAkerib, DSAkerlof, CWAkimov, D YuAlquahtani, AAlsum, SKAnderson, TJAngelides, NAraújo, HMArbuckle, AArmstrong, JEArthurs, MAuyeung, HBai, XBailey, AJBalajthy, JBalashov, SBang, JBarry, MJBarthel, JBauer, DBauer, PBaxter, ABelle, JBeltrame, PBensinger, JBenson, TBernard, EPBernstein, ABhatti, ABiekert, ABiesiadzinski, TPBirrittella, BBoast, KEBolozdynya, AIBoulton, EMBoxer, BBramante, RBranson, SBrás, PBreidenbach, MBuckley, JHBugaev, VVBunker, RBurdin, SBusenitz, JKCampbell, JSCarels, CCarlsmith, DLCarlson, BCarmona-Benitez, MCCascella, MChan, CCherwinka, JJChiller, AAChiller, CChott, NICole, AColeman, JColling, DConley, RACottle, ACoughlen, RCraddock, WWCurran, DCurrie, ACutter, JEda Cunha, JPDahl, CEDardin, SDasu, SDavis, JDavison, TJRde Viveiros, LDecheine, NDobi, ADobson, JEYDruszkiewicz, EDushkin, AEdberg, TKEdwards, WREdwards, BNEdwards, JElnimr, MMEmmet, WTEriksen, SRFaham, CHFan, AFayer, SFiorucci, SFlaecher, HFlorang, IM FogartyFord, PFrancis, VBFroborg, FFruth, TGaitskell, RJGantos, NJGarcia, DGeffre, AGehman, VM2020-02-01We describe the design and assembly of the LUX-ZEPLIN experiment, a direct detection search for cosmic WIMP dark matter particles. The centerpiece of the experiment is a large liquid xenon time projection chamber sensitive to low energy nuclear recoils. Rejection of backgrounds is enhanced by a Xe skin veto detector and by a liquid scintillator Outer Detector loaded with gadolinium for efficient neutron capture and tagging. LZ is located in the Davis Cavern at the 4850’ level of the Sanford Underground Research Facility in Lead, South Dakota, USA. We describe the major subsystems of the experiment and its key design features and requirements.5106 Nuclear and Plasma Physics (for-2020)5107 Particle and High Energy Physics (for-2020)5110 Synchrotrons and Accelerators (for-2020)51 Physical Sciences (for-2020)Dark matter detectorLiquid xenonTime projection chamberUndergroundphysics.ins-detphysics.ins-detastro-ph.IMhep-ex0201 Astronomical and Space Sciences (for)0202 AtomicMolecularNuclearParticle and Plasma Physics (for)0299 Other Physical Sciences (for)Nuclear & Particles Physics (science-metrix)5106 Nuclear and plasma physics (for-2020)application/pdfpubliceScholarship, University of Californiahttps://escholarship.org/uc/item/5823k370https://escholarship.org/content/qt5823k370/qt5823k370.pdfinfo:doi/10.1016/j.nima.2019.163047articleNuclear Instruments and Methods in Physics Research Section A Accelerators Spectrometers Detectors and Associated Equipment, vol 953163047oai:escholarship.org:ark:/13030/qt3rr6s00x2026-04-04T09:46:41Zqt3rr6s00xMixed TDP-43 proteinopathy and tauopathy in frontotemporal lobar degeneration: nine case seriesKim, Eun-JooBrown, Jesse ADeng, JerseyHwang, Ji-Hye LSpina, SalvatoreMiller, Zachary ADeMay, Mary GValcour, VictorKarydas, AnnaRamos, Eliana MarisaCoppola, GiovanniMiller, Bruce LRosen, Howard JSeeley, William WGrinberg, Lea T2018-12-01ObjectivesTo determine the clinical, anatomical, genetic and pathological features of dual frontotemporal lobar degeneration (FTLD) pathology: FTLD-tau and FTLD-TDP-43 in a large clinicopathological cohort.MethodsWe selected subjects with mixed FTLD-TDP and FTLD-tau from 247 FTLD cases from the University of California, San Francisco, Neurodegenerative Disease Brain Bank collected between 2000 and 2016 and compared their clinical, anatomical, genetic, imaging and pathological signatures with those of subjects with pure FTLD.ResultsWe found nine cases (3.6%) with prominent FTLD-TDP and FTLD-tau. Six cases were sporadic, whereas one case had a C9ORF72 expansion, another had a TARDBP A90V variant, and the other had an MAPT p.A152T variant. The subtypes of FTLD-TDP and FTLD-tau varied. Mixed FTLD cases were older and tended to show a higher burden of Alzheimer disease pathology (3/9, 33%). The neuroimaging signature of mixed cases, in general, included more widespread atrophy than that of pure groups. Specifically, cases of mixed corticobasal degeneration (CBD) with FTLD-TDP showed more prominent asymmetric left-sided atrophy than did those of pure CBD. However, the clinical phenotype of mixed cases was similar to that seen in pure FTLD.ConclusionsAlthough patients with mixed FTLD-TDP and FTLD-tau are rare, in-depth clinical, pathological and genetic investigations may shed light on the genetic and biochemical pathways that cause the accumulation of multiple proteinaceous inclusions and inform therapeutic targets that may be beneficial to each one of these abnormal protein misfoldings.32 Biomedical and Clinical Sciences (for-2020)3209 Neurosciences (for-2020)3202 Clinical Sciences (for-2020)Alzheimer's Disease (rcdc)Rare Diseases (rcdc)Neurosciences (rcdc)Dementia (rcdc)Neurodegenerative (rcdc)Genetics (rcdc)Brain Disorders (rcdc)Frontotemporal Dementia (FTD) (rcdc)Alzheimer's Disease Related Dementias (ADRD) (rcdc)Aging (rcdc)Alzheimer's Disease including Alzheimer's Disease Related Dementias (AD/ADRD) (rcdc)Acquired Cognitive Impairment (rcdc)2.1 Biological and endogenous factors (hrcs-rac)Neurological (hrcs-hc)Aged (mesh)Aged80 and over (mesh)Atrophy (mesh)Brain (mesh)C9orf72 Protein (mesh)DNA-Binding Proteins (mesh)Female (mesh)Frontotemporal Lobar Degeneration (mesh)Humans (mesh)Magnetic Resonance Imaging (mesh)Male (mesh)Middle Aged (mesh)Tauopathies (mesh)tau Proteins (mesh)Frontotemporal lobar degenerationTAR-DNA binding protein-43TauBrain (mesh)Humans (mesh)Tauopathies (mesh)Atrophy (mesh)tau Proteins (mesh)DNA-Binding Proteins (mesh)Magnetic Resonance Imaging (mesh)Aged (mesh)Aged80 and over (mesh)Middle Aged (mesh)Female (mesh)Male (mesh)Frontotemporal Lobar Degeneration (mesh)C9orf72 Protein (mesh)Frontotemporal lobar degenerationTAR-DNA binding protein-43TauAged (mesh)Aged80 and over (mesh)Atrophy (mesh)Brain (mesh)C9orf72 Protein (mesh)DNA-Binding Proteins (mesh)Female (mesh)Frontotemporal Lobar Degeneration (mesh)Humans (mesh)Magnetic Resonance Imaging (mesh)Male (mesh)Middle Aged (mesh)Tauopathies (mesh)tau Proteins (mesh)1103 Clinical Sciences (for)1109 Neurosciences (for)Neurology & Neurosurgery (science-metrix)3202 Clinical sciences (for-2020)3209 Neurosciences (for-2020)application/pdfpubliceScholarship, University of Californiahttps://escholarship.org/uc/item/3rr6s00xhttps://escholarship.org/content/qt3rr6s00x/qt3rr6s00x.pdfinfo:doi/10.1007/s00415-018-9086-2articleJournal of Neurology, vol 265, iss 122960 - 2971oai:escholarship.org:ark:/13030/qt7t8282782026-04-04T09:46:18Zqt7t828278A shared molecular mechanism underlies the human rasopathies Legius syndrome and Neurofibromatosis-1Stowe, Irma BMercado, Ellen LStowe, Timothy RBell, Erika LOses-Prieto, Juan AHernández, HildaBurlingame, Alma LMcCormick, Frank2012-07-01The Ras/mitogen-activated protein kinase (MAPK) pathway plays a critical role in transducing mitogenic signals from receptor tyrosine kinases. Loss-of-function mutations in one feedback regulator of Ras/MAPK signaling, SPRED1 (Sprouty-related protein with an EVH1 domain), cause Legius syndrome, an autosomal dominant human disorder that resembles Neurofibromatosis-1 (NF1). Spred1 functions as a negative regulator of the Ras/MAPK pathway; however, the underlying molecular mechanism is poorly understood. Here we show that neurofibromin, the NF1 gene product, is a Spred1-interacting protein that is necessary for Spred1's inhibitory function. We show that Spred1 binding induces the plasma membrane localization of NF1, which subsequently down-regulates Ras-GTP levels. This novel mechanism for the regulation of neurofibromin provides a molecular bridge for understanding the overlapping pathophysiology of NF1 and Legius syndrome.3101 Biochemistry and Cell Biology (for-2020)31 Biological Sciences (for-2020)Neurofibromatosis (rcdc)Rare Diseases (rcdc)Genetics (rcdc)Pediatric Research Initiative (rcdc)Neurosciences (rcdc)Brain Disorders (rcdc)2.1 Biological and endogenous factors (hrcs-rac)1.1 Normal biological development and functioning (hrcs-rac)Adaptor ProteinsSignal Transducing (mesh)Animals (mesh)Cafe-au-Lait Spots (mesh)CellsCultured (mesh)Humans (mesh)Intracellular Signaling Peptides and Proteins (mesh)MAP Kinase Signaling System (mesh)Membrane Proteins (mesh)Mice (mesh)Neurofibromatosis 1 (mesh)Neurofibromin 1 (mesh)Protein Binding (mesh)Repressor Proteins (mesh)Legius syndromeNF1signal transductionRas/MAPKSproutyCellsCultured (mesh)Animals (mesh)Humans (mesh)Mice (mesh)Neurofibromatosis 1 (mesh)Cafe-au-Lait Spots (mesh)Intracellular Signaling Peptides and Proteins (mesh)Adaptor ProteinsSignal Transducing (mesh)Neurofibromin 1 (mesh)Membrane Proteins (mesh)Repressor Proteins (mesh)MAP Kinase Signaling System (mesh)Protein Binding (mesh)Adaptor ProteinsSignal Transducing (mesh)Animals (mesh)Cafe-au-Lait Spots (mesh)CellsCultured (mesh)Humans (mesh)Intracellular Signaling Peptides and Proteins (mesh)MAP Kinase Signaling System (mesh)Membrane Proteins (mesh)Mice (mesh)Neurofibromatosis 1 (mesh)Neurofibromin 1 (mesh)Protein Binding (mesh)Repressor Proteins (mesh)06 Biological Sciences (for)11 Medical and Health Sciences (for)17 Psychology and Cognitive Sciences (for)Developmental Biology (science-metrix)31 Biological sciences (for-2020)32 Biomedical and clinical sciences (for-2020)52 Psychology (for-2020)application/pdfpubliceScholarship, University of Californiahttps://escholarship.org/uc/item/7t828278https://escholarship.org/content/qt7t828278/qt7t828278.pdfinfo:doi/10.1101/gad.190876.112articleGenes & Development, vol 26, iss 131421 - 1426oai:escholarship.org:ark:/13030/qt27r1h1q52026-04-04T09:46:14Zqt27r1h1q5Amplitude Analysis of the B±→φK*(892)± DecayAubert, BBona, MBoutigny, DKaryotakis, YLees, JPPoireau, VPrudent, XTisserand, VZghiche, ATico, J GarraGrauges, ELopez, LPalano, AEigen, GStugu, BSun, LAbrams, GSBattaglia, MBrown, DNButton-Shafer, JCahn, RNGroysman, YJacobsen, RGKadyk, JAKerth, LTKolomensky, Yu GKukartsev, GPegna, D LopesLynch, GMir, LMOrimoto, TJRonan, MTTackmann, KWenzel, WAdel Amo Sanchez, PHawkes, CMWatson, ATHeld, TKoch, HLewandowski, BPelizaeus, MSchroeder, TSteinke, MWalker, DAsgeirsson, DJCuhadar-Donszelmann, TFulsom, BGHearty, CMattison, TSMcKenna, JAKhan, ASaleem, MTeodorescu, LBlinov, VEBukin, ADDruzhinin, VPGolubev, VBOnuchin, APSerednyakov, SISkovpen, Yu ISolodov, EPTodyshev, K YuBondioli, MCurry, SEschrich, IKirkby, DLankford, AJLund, PMandelkern, MMartin, ECStoker, DPAbachi, SBuchanan, CFoulkes, SDGary, JWLiu, FLong, OShen, BCZhang, LPaar, HPRahatlou, SSharma, VBerryhill, JWCampagnari, CCunha, ADahmes, BHong, TMKovalskyi, DRichman, JDBeck, TWEisner, AMFlacco, CJHeusch, CAKroseberg, JLockman, WSSchalk, TSchumm, BASeiden, AWilliams, DCWilson, MG2007-11-16We perform an amplitude analysis of B+/--->phi(1020)K*(892)+/- decay with a sample of about 384 x 10(6) BB[over ] pairs recorded with the BABAR detector. Overall, twelve parameters are measured, including the fractions of longitudinal fL and parity-odd transverse f perpendicular amplitudes, branching fraction, strong phases, and six parameters sensitive to CP violation. We use the dependence on the Kpi invariant mass of the interference between the JP=1(-) and 0+ Kpi components to resolve the discrete ambiguity in the determination of the strong and weak phases. Our measurements of fL=0.49+/-0.05+/-0.03, f perpendicular=0.21+/-0.05+/-0.02, and the strong phases point to the presence of a substantial helicity-plus amplitude from a presently unknown source.5106 Nuclear and Plasma Physics (for-2020)5107 Particle and High Energy Physics (for-2020)4902 Mathematical Physics (for-2020)49 Mathematical Sciences (for-2020)51 Physical Sciences (for-2020)BABAR Collaborationhep-exhep-ex01 Mathematical Sciences (for)02 Physical Sciences (for)09 Engineering (for)General Physics (science-metrix)40 Engineering (for-2020)49 Mathematical sciences (for-2020)51 Physical sciences (for-2020)application/pdfCC-BYeScholarship, University of Californiahttps://escholarship.org/uc/item/27r1h1q5https://escholarship.org/content/qt27r1h1q5/qt27r1h1q5.pdfinfo:doi/10.1103/physrevlett.99.201802articlePhysical Review Letters, vol 99, iss 20201802oai:escholarship.org:ark:/13030/qt8gg3z5b32026-04-04T09:45:59Zqt8gg3z5b3DESI 2024 V: Full-Shape galaxy clustering from galaxies and quasarsAdame, AGAguilar, JAhlen, SAlam, SAlexander, DMAlvarez, MAlves, OAnand, AAndrade, UArmengaud, EAvila, SAviles, AAwan, HBailey, SBaltay, CBault, ABehera, JBenZvi, SBeutler, FBianchi, DBlake, CBlum, RBrieden, SBrodzeller, ABrooks, DBuckley-Geer, EBurtin, ECalderon, RCanning, RRosell, A CarneroCereskaite, RCervantes-Cota, JLChabanier, SChaussidon, EChaves-Montero, JChen, SChen, XClaybaugh, TCole, SCuceu, ADavis, TMDawson, Kde la Macorra, Ade Mattia, ADeiosso, NDey, ADey, BDing, ZDoel, PEdelstein, JEftekharzadeh, SEisenstein, DJElliott, AFagrelius, PFanning, KFerraro, SEreza, JFindlay, NFlaugher, BFont-Ribera, AForero-Sánchez, DForero-Romero, JEGarcia-Quintero, CGarrison, LHGaztañaga, EGil-Marín, HGontcho, S Gontcho AGonzalez-Morales, AXGonzalez-Perez, VGordon, CGreen, DGruen, DGsponer, RGutierrez, GGuy, JHadzhiyska, BHahn, CHanif, MMSHerrera-Alcantar, HKHonscheid, KHowlett, CHuterer, DIršič, VIshak, MJuneau, SKaraçaylı, NGKehoe, RKent, SKirkby, DKong, HKoposov, SEKremin, AKrolewski, ALai, YLan, T-WLandriau, MLang, DLasker, JLe Goff, JMLe Guillou, L2025-09-01We present the measurements and cosmological implications of the galaxy two-point clustering using over 4.7 million unique galaxy and quasar redshifts in the range 0.1 < z < 2.1 divided into six redshift bins over a ∼ 7,500 square degree footprint, from the first year of observations with the Dark Energy Spectroscopic Instrument (DESI Data Release 1). By fitting the full power spectrum, we extend previous DESI DR1 baryon acoustic oscillation (BAO) measurements to include redshift-space distortions and signals from the matter-radiation equality scale. For the first time, this Full-Shape analysis is blinded at the catalogue-level to avoid confirmation bias and the systematic errors are accounted for at the two-point clustering level, which automatically propagates them into any cosmological parameter. When analysing the data in terms of compressed model-agnostic variables, we obtain a combined precision of 4.7% on the amplitude of the redshift space distortion (RSD) signal reaching a similar precision with just one year of DESI data than with twenty years of observation from the previous generation survey. We also analyse the data to directly constrain the cosmological parameters within the ΛCDM model using perturbation theory and combine this information with the reconstructed DESI DR1 galaxy BAO. Using a Big Bang Nucleosynthesis Gaussian prior on the baryon density parameter, ωb , and a weak Gaussian prior on the spectral index, ns , we constrain the matter density is Ω m = 0.296±0.010 and the Hubble constant H 0 = (68.63 ± 0.79)[km s-1Mpc-1]. Additionally, we measure the amplitude of clustering σ 8 = 0.841±0.034. The DESI DR1 galaxy clustering results are in agreement with the ΛCDM model based on general relativity with parameters consistent with those from Planck. The cosmological interpretation of these results in combination with DESI DR1 Ly-α forest data and external datasets are presented in the companion paper [1].5101 Astronomical Sciences (for-2020)51 Physical Sciences (for-2020)baryon acoustic oscillationscosmological parameters from LSSpower spectrumredshift surveys0201 Astronomical and Space Sciences (for)0202 AtomicMolecularNuclearParticle and Plasma Physics (for)Nuclear & Particles Physics (science-metrix)5101 Astronomical sciences (for-2020)5107 Particle and high energy physics (for-2020)application/pdfCC-BYeScholarship, University of Californiahttps://escholarship.org/uc/item/8gg3z5b3https://escholarship.org/content/qt8gg3z5b3/qt8gg3z5b3.pdfinfo:doi/10.1088/1475-7516/2025/09/008articleJournal of Cosmology and Astroparticle Physics, vol 2025, iss 09008oai:escholarship.org:ark:/13030/qt5wc9q1rk2026-04-04T09:45:49Zqt5wc9q1rkDESI 2024 VII: cosmological constraints from the full-shape modeling of clustering measurementsAdame, AGAguilar, JAhlen, SAlam, SAlexander, DMPrieto, C AllendeAlvarez, MAlves, OAnand, AAndrade, UArmengaud, EAvila, SAviles, AAwan, HBahr-Kalus, BBailey, SBaltay, CBault, ABehera, JBenZvi, SBeutler, FBianchi, DBlake, CBlum, RBonici, MBrieden, SBrodzeller, ABrooks, DBuckley-Geer, EBurtin, ECalderon, RCanning, RRosell, A CarneroCereskaite, RCervantes-Cota, JLChabanier, SChaussidon, EChaves-Montero, JChebat, DChen, SChen, XClaybaugh, TCole, SCuceu, ADavis, TMDawson, Kde la Macorra, Ade Mattia, ADeiosso, NDey, ADey, BDing, ZDoel, PEdelstein, JEftekharzadeh, SEisenstein, DJElbers, WElliott, AFagrelius, PFanning, KFerraro, SEreza, JFindlay, NFlaugher, BFont-Ribera, AForero-Sánchez, DForero-Romero, JEFrenk, CSGarcia-Quintero, CGarrison, LHGaztañaga, EGil-Marín, HGontcho, S Gontcho AGonzalez-Morales, AXGonzalez-Perez, VGordon, CGreen, DGruen, DGsponer, RGutierrez, GGuy, JHadzhiyska, BHahn, CHanif, MMSHerrera-Alcantar, HKHonscheid, KHowlett, CHuterer, DIršič, VIshak, MJoyce, RJuneau, SKaraçaylı, NGKehoe, RKent, SKirkby, DKong, HKoposov, SEKremin, AKrolewski, A2025-07-01We present cosmological results from the measurement of clustering of galaxy, quasar and Lyman-α forest tracers from the first year of observations with the Dark Energy Spectroscopic Instrument (DESI Data Release 1). We adopt the full-shape (FS) modeling of the power spectrum, including the effects of redshift-space distortions, in an analysis which has been thoroughly validated in a series of supporting papers as summarised in [1]. We combine the full-shape information with DESI's DR1 constraints from the baryon acoustic oscillations (BAO) of these tracers. In the flat ΛCDM cosmological model, DESI (FS+BAO), combined with a baryon density prior from Big Bang Nucleosynthesis and a weak prior on the scalar spectral index, determines matter density to Ωm = 0.2962 ± 0.0095, and the amplitude of mass fluctuations to σ 8 = 0.842 ± 0.034. The addition of the cosmic microwave background (CMB) data tightens these constraints to Ωm = 0.3056 ± 0.0049 and σ 8 = 0.8121 ± 0.0053, while further addition of the joint clustering and lensing analysis from the Dark Energy Survey Year-3 (DESY3) data further improves these measurements, and leads to a 0.4% determination of the Hubble constant, H 0 = (68.40 ± 0.27) km s-1 Mpc-1. In models with a time-varying dark energy equation of state parametrised by w 0 and wa , combinations of DESI (FS+BAO) with CMB and type Ia supernovae continue to show the preference, previously found in the DESI DR1 BAO analysis, for w 0 > -1 and wa < 0 with similar levels of significance. DESI data, in combination with the CMB, improve the upper limits on the sum of the neutrino masses relative to the case when only the DR1 BAO was available, giving ∑m ν < 0.071 eV at 95% confidence. We finally constrain deviations from general relativity represented by two modified gravity parameters. DESI (FS+BAO) data alone measure the parameter that controls the clustering of massive particles, μ 0 = 0.11+0.45 -0.54, in agreement with the zero value predicted by general relativity. The combination of DESI with the CMB and the clustering and lensing analysis from DESY3 constrains both modified-gravity parameters, giving μ 0 = 0.04 ± 0.22 and Σ0 = 0.044 ± 0.047, again in agreement with general relativity.5101 Astronomical Sciences (for-2020)51 Physical Sciences (for-2020)dark energy experimentsredshift surveyspower spectrummodified gravity0201 Astronomical and Space Sciences (for)0202 AtomicMolecularNuclearParticle and Plasma Physics (for)Nuclear & Particles Physics (science-metrix)5101 Astronomical sciences (for-2020)5107 Particle and high energy physics (for-2020)application/pdfCC-BYeScholarship, University of Californiahttps://escholarship.org/uc/item/5wc9q1rkhttps://escholarship.org/content/qt5wc9q1rk/qt5wc9q1rk.pdfinfo:doi/10.1088/1475-7516/2025/07/028articleJournal of Cosmology and Astroparticle Physics, vol 2025, iss 07028oai:escholarship.org:ark:/13030/qt2dt5w83t2026-04-04T09:45:36Zqt2dt5w83tDESI 2024 VI: cosmological constraints from the measurements of baryon acoustic oscillationsAdame, AGAguilar, JAhlen, SAlam, SAlexander, DMAlvarez, MAlves, OAnand, AAndrade, UArmengaud, EAvila, SAviles, AAwan, HBahr-Kalus, BBailey, SBaltay, CBault, ABehera, JBenZvi, SBera, ABeutler, FBianchi, DBlake, CBlum, RBrieden, SBrodzeller, ABrooks, DBuckley-Geer, EBurtin, ECalderon, RCanning, RRosell, A CarneroCereskaite, RCervantes-Cota, JLChabanier, SChaussidon, EChaves-Montero, JChen, SChen, XClaybaugh, TCole, SCuceu, ADavis, TMDawson, Kde la Macorra, Ade Mattia, ADeiosso, NDey, ADey, BDing, ZDoel, PEdelstein, JEftekharzadeh, SEisenstein, DJElliott, AFagrelius, PFanning, KFerraro, SEreza, JFindlay, NFlaugher, BFont-Ribera, AForero-Sánchez, DForero-Romero, JEFrenk, CSGarcia-Quintero, CGaztañaga, EGil-Marín, HGontcho, S Gontcho AGonzalez-Morales, AXGonzalez-Perez, VGordon, CGreen, DGruen, DGsponer, RGutierrez, GGuy, JHadzhiyska, BHahn, CHanif, MMSHerrera-Alcantar, HKHonscheid, KHowlett, CHuterer, DIršič, VIshak, MJuneau, SKaraçaylı, NGKehoe, RKent, SKirkby, DKremin, AKrolewski, ALai, YLan, T-WLandriau, MLang, DLasker, JLe Goff, JMLe Guillou, L2025-02-01We present cosmological results from the measurement of baryon acoustic oscillations (BAO) in galaxy, quasar and Lyman-α forest tracers from the first year of observations from the Dark Energy Spectroscopic Instrument (DESI), to be released in the DESI Data Release 1. DESI BAO provide robust measurements of the transverse comoving distance and Hubble rate, or their combination, relative to the sound horizon, in seven redshift bins from over 6 million extragalactic objects in the redshift range 0.1 < z < 4.2. To mitigate confirmation bias, a blind analysis was implemented to measure the BAO scales. DESI BAO data alone are consistent with the standard flat ΛCDM cosmological model with a matter density Ωm=0.295±0.015. Paired with a baryon density prior from Big Bang Nucleosynthesis and the robustly measured acoustic angular scale from the cosmic microwave background (CMB), DESI requires H 0=(68.52±0.62) km s-1 Mpc-1. In conjunction with CMB anisotropies from Planck and CMB lensing data from Planck and ACT, we find Ωm=0.307± 0.005 and H 0=(67.97±0.38) km s-1 Mpc-1. Extending the baseline model with a constant dark energy equation of state parameter w, DESI BAO alone require w=-0.99+0.15 -0.13. In models with a time-varying dark energy equation of state parametrised by w 0 and wa , combinations of DESI with CMB or with type Ia supernovae (SN Ia) individually prefer w 0 > -1 and wa < 0. This preference is 2.6σ for the DESI+CMB combination, and persists or grows when SN Ia are added in, giving results discrepant with the ΛCDM model at the 2.5σ, 3.5σ or 3.9σ levels for the addition of the Pantheon+, Union3, or DES-SN5YR supernova datasets respectively. For the flat ΛCDM model with the sum of neutrino mass ∑ mν free, combining the DESI and CMB data yields an upper limit ∑ mν < 0.072 (0.113) eV at 95% confidence for a ∑ mν > 0 (∑ mν > 0.059) eV prior. These neutrino-mass constraints are substantially relaxed if the background dynamics are allowed to deviate from flat ΛCDM.5107 Particle and High Energy Physics (for-2020)51 Physical Sciences (for-2020)baryon acoustic oscillationscosmological parameters from LSSdark energy experimentsneutrino masses from cosmology0201 Astronomical and Space Sciences (for)0202 AtomicMolecularNuclearParticle and Plasma Physics (for)Nuclear & Particles Physics (science-metrix)5101 Astronomical sciences (for-2020)5107 Particle and high energy physics (for-2020)application/pdfCC-BYeScholarship, University of Californiahttps://escholarship.org/uc/item/2dt5w83thttps://escholarship.org/content/qt2dt5w83t/qt2dt5w83t.pdfinfo:doi/10.1088/1475-7516/2025/02/021articleJournal of Cosmology and Astroparticle Physics, vol 2025, iss 02021oai:escholarship.org:ark:/13030/qt9c75z2jn2026-04-04T09:45:31Zqt9c75z2jnDESI 2024 IV: Baryon Acoustic Oscillations from the Lyman alpha forestAdame, AGAguilar, JAhlen, SAlam, SAlexander, DMAlvarez, MAlves, OAnand, AAndrade, UArmengaud, EAvila, SAviles, AAwan, HBailey, SBaltay, CBault, ABautista, JBehera, JBenZvi, SBeutler, FBianchi, DBlake, CBlum, RBrieden, SBrodzeller, ABrooks, DBuckley-Geer, EBurtin, ECalderon, RCanning, RRosell, A CarneroCereskaite, RCervantes-Cota, JLChabanier, SChaussidon, EChaves-Montero, JChen, SChen, XClaybaugh, TCole, SCuceu, ADavis, TMDawson, Kde la Cruz, Rde la Macorra, Ade Mattia, ADeiosso, NDey, ADey, BDing, JDing, ZDoel, PEdelstein, JEftekharzadeh, SEisenstein, DJElliott, AFagrelius, PFanning, KFerraro, SEreza, JFindlay, NFlaugher, BFont-Ribera, AForero-Sánchez, DForero-Romero, JEGarcia-Quintero, CGaztañaga, EGil-Marín, HGontcho, S Gontcho AGonzalez-Morales, AXGonzalez-Perez, VGordon, CGreen, DGruen, DGsponer, RGutierrez, GGuy, JHadzhiyska, BHahn, CHanif, MMSHerrera-Alcantar, HKHonscheid, KHowlett, CHuterer, DIršič, VIshak, MJuneau, SKaraçaylı, NGKehoe, RKent, SKirkby, DKremin, AKrolewski, ALai, YLan, T-WLandriau, MLang, DLasker, JLe Goff, JMLe Guillou, L2025-01-01We present the measurement of Baryon Acoustic Oscillations (BAO) from the Lyman-α (Lyα) forest of high-redshift quasars with the first-year dataset of the Dark Energy Spectroscopic Instrument (DESI). Our analysis uses over 420 000 Lyα forest spectra and their correlation with the spatial distribution of more than 700 000 quasars. An essential facet of this work is the development of a new analysis methodology on a blinded dataset. We conducted rigorous tests using synthetic data to ensure the reliability of our methodology and findings before unblinding. Additionally, we conducted multiple data splits to assess the consistency of the results and scrutinized various analysis approaches to confirm their robustness. For a given value of the sound horizon (rd ), we measure the expansion at z eff = 2.33 with 2% precision, H(z eff) = ( 239.2 ± 4.8 ) (147.09 Mpc /rd ) km/s/Mpc. Similarly, we present a 2.4% measurement of the transverse comoving distance to the same redshift, DM (z eff) = ( 5.84 ± 0.14 ) (rd /147.09 Mpc) Gpc. Together with other DESI BAO measurements at lower redshifts, these results are used in a companion paper to constrain cosmological parameters.5107 Particle and High Energy Physics (for-2020)5101 Astronomical Sciences (for-2020)51 Physical Sciences (for-2020)Bioengineering (rcdc)baryon acoustic oscillationscosmological parameters from LSSLyman alpha forestredshift surveys0201 Astronomical and Space Sciences (for)0202 AtomicMolecularNuclearParticle and Plasma Physics (for)Nuclear & Particles Physics (science-metrix)5101 Astronomical sciences (for-2020)5107 Particle and high energy physics (for-2020)application/pdfCC-BYeScholarship, University of Californiahttps://escholarship.org/uc/item/9c75z2jnhttps://escholarship.org/content/qt9c75z2jn/qt9c75z2jn.pdfinfo:doi/10.1088/1475-7516/2025/01/124articleJournal of Cosmology and Astroparticle Physics, vol 2025, iss 01124oai:escholarship.org:ark:/13030/qt9cz200wr2026-04-04T09:41:38Zqt9cz200wrCentrality and transverse-momentum dependence of higher-order flow harmonics of identified hadrons in Au+Au collisions at sNN=200 GeVAbdallah, MSAboona, BEAdam, JAdamczyk, LAdams, JRAdkins, JKAgakishiev, GAggarwal, IAggarwal, MMAhammed, ZAitbaev, AAlekseev, IAnderson, DMAparin, AAschenauer, ECAshraf, MUAtetalla, FGAverichev, GSBairathi, VBaker, WBall, JGBarish, KBehera, ABellwied, RBhagat, PBhasin, ABielcik, JBielcikova, JBordyuzhin, IGBrandenburg, JDBrandin, AVCai, XZCaines, Hde la Barca Sánchez, M CalderónCebra, DChakaberia, IChaloupka, PChan, BKChang, F-HChang, ZChatterjee, AChattopadhyay, SChen, DChen, JChen, JHChen, XChen, ZCheng, JChoudhury, SChristie, WChu, XCrawford, HJCsanád, MDaugherity, MDedovich, TGDeppner, IMDerevschikov, AADhamija, ADi Carlo, LDidenko, LDixit, PDong, XDrachenberg, JLDuckworth, EDunlop, JCEngelage, JEppley, GEsumi, SEvdokimov, OEwigleben, AEyser, OFatemi, RFawzi, FMFazio, SFeng, CJFeng, YFinch, EFisyak, YFrancisco, AFu, CGagliardi, CAGalatyuk, TGeurts, FGhimire, NGibson, AGopal, KGou, XGrosnick, DGupta, AGuryn, WHamed, AHan, YHarabasz, SHarasty, MDHarris, JWHarrison, HHe, SHe, WHe, XHHe, Y2022-06-01We present high-precision measurements of elliptic, triangular, and quadrangular flow v2, v3, and v4, respectively, at midrapidity for identified hadrons π, p, K, φ, Ks, Λ as a function of centrality and transverse momentum in Au+Au collisions at the center-of-mass energy sNN=200 GeV. We observe similar vn trends between light and strange mesons which indicates that the heavier strange quarks flow as strongly as the lighter up and down quarks. The number-of-constituent-quark scaling for v2, v3, and v4 is found to hold within statistical uncertainty for 0–10%, 10–40%, and 40–80% collision centrality intervals. The results are compared to several viscous hydrodynamic calculations with varying initial conditions, and could serve as an additional constraint to the development of hydrodynamic models.5106 Nuclear and Plasma Physics (for-2020)5107 Particle and High Energy Physics (for-2020)51 Physical Sciences (for-2020)5106 Nuclear and plasma physics (for-2020)application/pdfCC-BY-NCeScholarship, University of Californiahttps://escholarship.org/uc/item/9cz200wrhttps://escholarship.org/content/qt9cz200wr/qt9cz200wr.pdfinfo:doi/10.1103/physrevc.105.064911articlePhysical Review C, vol 105, iss 6064911oai:escholarship.org:ark:/13030/qt68g1b51r2026-04-04T09:41:17Zqt68g1b51rMeasurement of transverse single-spin asymmetries of π0 and electromagnetic jets at forward rapidity in 200 and 500 GeV transversely polarized proton-proton collisionsAdam, JAdamczyk, LAdams, JRAdkins, JKAgakishiev, GAggarwal, MMAhammed, ZAlekseev, IAnderson, DMAparin, AAschenauer, ECAshraf, MUAtetalla, FGAttri, AAverichev, GSBairathi, VBarish, KBehera, ABellwied, RBhasin, ABielcik, JBielcikova, JBland, LCBordyuzhin, IGBrandenburg, JDBrandin, AVButterworth, JCaines, Hde la Barca Sánchez, M CalderónCebra, DChakaberia, IChaloupka, PChan, BKChang, F-HChang, ZChankova-Bunzarova, NChatterjee, AChen, DChen, JChen, JHChen, XChen, ZCheng, JCherney, MChevalier, MChoudhury, SChristie, WChu, XCrawford, HJCsanád, MDaugherity, MDedovich, TGDeppner, IMDerevschikov, AADidenko, LDilks, CDong, XDrachenberg, JLDunlop, JCEdmonds, TElsey, NEngelage, JEppley, GEsumi, SEvdokimov, OEwigleben, AEyser, OFatemi, RFazio, SFederic, PFedorisin, JFeng, CJFeng, YFilip, PFinch, EFisyak, YFrancisco, AFulek, LGagliardi, CAGalatyuk, TGeurts, FGhimire, NGibson, AGopal, KGou, XGrosnick, DGuryn, WHamad, AIHamed, AHarabasz, SHarris, JWHe, SHe, WHe, XHHe, YHeppelmann, SHeppelmann, SHerrmann, NHoffman, EHolub, L2021-05-01The STAR Collaboration reports measurements of the transverse single-spin asymmetry (TSSA) of inclusive π0 at center-of-mass energies (s) of 200 GeV and 500 GeV in transversely polarized proton-proton collisions in the pseudo-rapidity region 2.7 to 4.0. The results at the two different energies show a continuous increase of the TSSA with Feynman-x, and, when compared to previous measurements, no dependence on s from 19.4 GeV to 500 GeV is found. To investigate the underlying physics leading to this large TSSA, different topologies have been studied. π0 with no nearby particles tend to have a higher TSSA than inclusive π0. The TSSA for inclusive electromagnetic jets, sensitive to the Sivers effect in the initial state, is substantially smaller, but shows the same behavior as the inclusive π0 asymmetry as a function of Feynman-x. To investigate final-state effects, the Collins asymmetry of π0 inside electromagnetic jets has been measured. The Collins asymmetry is analyzed for its dependence on the π0 momentum transverse to the jet thrust axis and its dependence on the fraction of jet energy carried by the π0. The asymmetry was found to be small in each case for both center-of-mass energies. All the measurements are compared to QCD-based theoretical calculations for transverse-momentum-dependent parton distribution functions and fragmentation functions. Some discrepancies are found, which indicates new mechanisms might be involved.5106 Nuclear and Plasma Physics (for-2020)5107 Particle and High Energy Physics (for-2020)4902 Mathematical Physics (for-2020)49 Mathematical Sciences (for-2020)51 Physical Sciences (for-2020)hep-exhep-exapplication/pdfpubliceScholarship, University of Californiahttps://escholarship.org/uc/item/68g1b51rhttps://escholarship.org/content/qt68g1b51r/qt68g1b51r.pdfinfo:doi/10.1103/physrevd.103.092009articlePhysical Review D, vol 103, iss 9092009oai:escholarship.org:ark:/13030/qt2hw252hg2026-04-04T09:41:01Zqt2hw252hgFlow and interferometry results from Au+Au collisions at sNN=4.5 GeVAbdallah, MSAdam, JAdamczyk, LAdams, JRAdkins, JKAgakishiev, GAggarwal, IAggarwal, MMAhammed, ZAlekseev, IAnderson, DMAparin, AAschenauer, ECAshraf, MUAtetalla, FGAttri, AAverichev, GSBairathi, VBaker, WBall, JGBarish, KBehera, ABellwied, RBhagat, PBhasin, ABielcik, JBielcikova, JBordyuzhin, IGBrandenburg, JDBrandin, AVBunzarov, IButterworth, JCai, XZCaines, Hde la Barca Sánchez, M CalderónCampbell, JMCebra, DChakaberia, IChaloupka, PChan, BKChang, F-HChang, ZChankova-Bunzarova, NChatterjee, AChattopadhyay, SChen, DChen, JChen, JHChen, XChen, ZCheng, JChevalier, MChoudhury, SChristie, WChu, XCrawford, HJCsanád, MDaugherity, MDedovich, TGDeppner, IMDerevschikov, AADhamija, ADi Carlo, LDidenko, LDong, XDrachenberg, JLDuckworth, EDunlop, JCElsey, NEngelage, JEppley, GEsumi, SEvdokimov, OEwigleben, AEyser, OFatemi, RFawzi, FMFazio, SFederic, PFedorisin, JFeng, CJFeng, YFilip, PFinch, EFisyak, YFlores, CEFrancisco, AFu, CFulek, LGagliardi, CAGalatyuk, TGeurts, FGhimire, NGibson, AGopal, KGou, XGrosnick, DGupta, AGuryn, WHamad, AI2021-03-01The beam energy scan (BES) program at the BNL Relativistic Heavy Ion Collider (RHIC) was extended to energies below sNN=7.7 GeV in 2015 by successful implementation of the fixed-target mode of operation in the STAR (Solenoidal Tracker At RHIC) experiment. In this mode, ions circulate in one ring of the collider and interact with a stationary target at the entrance of the STAR time projection chamber. The first results for Au+Au collisions at sNN=4.5 GeV are presented, demonstrating good performance of all the relevant detector subsystems in fixed-target mode. Results presented here include directed and elliptic flow of identified hadrons, and radii from pion femtoscopy. The latter, together with recent HADES results, reveal a long-sought peak structure that may be caused by the system evolving through a first-order phase transition from quark-gluon plasma to the hadronic phase. Directed and elliptic flow for pions are presented for the first time at this beam energy. Pion and proton elliptic flow show behavior which hints at constituent quark scaling, and demonstrate that a definitive conclusion will be achievable using the full statistics of the ongoing second phase of BES (BES-II). In particular, BES-II to date has recorded fixed-target data sets with two orders of magnitude more events at each of nine energies between sNN=3.0 and 7.7 GeV.5106 Nuclear and Plasma Physics (for-2020)5107 Particle and High Energy Physics (for-2020)5110 Synchrotrons and Accelerators (for-2020)51 Physical Sciences (for-2020)nucl-exnucl-ex5106 Nuclear and plasma physics (for-2020)application/pdfpubliceScholarship, University of Californiahttps://escholarship.org/uc/item/2hw252hghttps://escholarship.org/content/qt2hw252hg/qt2hw252hg.pdfinfo:doi/10.1103/physrevc.103.034908articlePhysical Review C, vol 103, iss 3034908oai:escholarship.org:ark:/13030/qt8wr5s8t72026-04-04T09:40:38Zqt8wr5s8t7Measurement of groomed jet substructure observables in p+p collisions at s = 200 GeV with STARAdam, JAdamczyk, LAdams, JRAdkins, JKAgakishiev, GAggarwal, MMAhammed, ZAlekseev, IAnderson, DMAparin, AAschenauer, ECAshraf, MUAtetalla, FGAttri, AAverichev, GSBairathi, VBarish, KBehera, ABellwied, RBhasin, ABielcik, JBielcikova, JBland, LCBordyuzhin, IGBrandenburg, JDBrandin, AVButterworth, JCaines, Hde la Barca Sánchez, M CalderónCebra, DChakaberia, IChaloupka, PChan, BKChang, F-HChang, ZChankova-Bunzarova, NChatterjee, AChen, DChen, JHChen, XChen, ZCheng, JCherney, MChevalier, MChoudhury, SChristie, WChu, XCrawford, HJCsanád, MDaugherity, MDedovich, TGDeppner, IMDerevschikov, AADidenko, LDong, XDrachenberg, JLDunlop, JCEdmonds, TElsey, NEngelage, JEppley, GEsha, REsumi, SEvdokimov, OEwigleben, AEyser, OFatemi, RFazio, SFederic, PFedorisin, JFeng, CJFeng, YFilip, PFinch, EFisyak, YFrancisco, AFulek, LGagliardi, CAGalatyuk, TGeurts, FGibson, AGopal, KGrosnick, DGuryn, WHamad, AIHamed, AHarabasz, SHarris, JWHe, SHe, WHe, XHHeppelmann, SHeppelmann, SHerrmann, NHoffman, EHolub, LHong, YHorvat, SHu, YHuang, HZ2020-12-01In this letter, measurements of the shared momentum fraction ( z g ) and the groomed jet radius ( R g ), as defined in the SoftDrop algorithm, are reported in p+p collisions at s = 200 GeV collected by the STAR experiment. These substructure observables are differentially measured for jets of varying resolution parameters from R = 0.2 − 0.6 in the transverse momentum range 15 < p T , jet < 60 GeV/c. These studies show that, in the p T , jet range accessible at s = 200 GeV and with increasing jet resolution parameter and jet transverse momentum, the z g distribution asymptotically converges to the DGLAP splitting kernel for a quark radiating a gluon. The groomed jet radius measurements reflect a momentum-dependent narrowing of the jet structure for jets of a given resolution parameter, i.e., the larger the p T , jet , the narrower the first splitting. For the first time, these fully corrected measurements are compared to Monte Carlo generators with leading order QCD matrix elements and leading log in the parton shower, and to state-of-the-art theoretical calculations at next-to-leading-log accuracy. We observe that PYTHIA 6 with parameters tuned to reproduce RHIC measurements is able to quantitatively describe data, whereas PYTHIA 8 and HERWIG 7, tuned to reproduce LHC data, are unable to provide a simultaneous description of both z g and R g , resulting in opportunities for fine parameter tuning of these models for p+p collisions at RHIC energies. We also find that the theoretical calculations without non-perturbative corrections are able to qualitatively describe the trend in data for jets of large resolution parameters at high p T , jet , but fail at small jet resolution parameters and low jet transverse momenta.5106 Nuclear and Plasma Physics (for-2020)5107 Particle and High Energy Physics (for-2020)4902 Mathematical Physics (for-2020)49 Mathematical Sciences (for-2020)51 Physical Sciences (for-2020)Bioengineering (rcdc)Jet substructureSoftDropSplitting functionGroomed jet radiushep-exhep-ex0105 Mathematical Physics (for)0201 Astronomical and Space Sciences (for)0202 AtomicMolecularNuclearParticle and Plasma Physics (for)Nuclear & Particles Physics (science-metrix)49 Mathematical sciences (for-2020)51 Physical sciences (for-2020)application/pdfpubliceScholarship, University of Californiahttps://escholarship.org/uc/item/8wr5s8t7https://escholarship.org/content/qt8wr5s8t7/qt8wr5s8t7.pdfinfo:doi/10.1016/j.physletb.2020.135846articlePhysics Letters B, vol 811135846oai:escholarship.org:ark:/13030/qt6ds2v4bz2026-04-04T09:40:11Zqt6ds2v4bzObservation of Excess J/ψ Yield at Very Low Transverse Momenta in Au+Au Collisions at sNN=200 GeV and U+U Collisions at sNN=193 GeVAdam, JAdamczyk, LAdams, JRAdkins, JKAgakishiev, GAggarwal, MMAhammed, ZAlekseev, IAnderson, DMAoyama, RAparin, AArkhipkin, DAschenauer, ECAshraf, MUAtetalla, FAttri, AAverichev, GSBairathi, VBarish, KBassill, AJBehera, ABellwied, RBhasin, ABhati, AKBielcik, JBielcikova, JBland, LCBordyuzhin, IGBrandenburg, JDBrandin, AVBryslawskyj, JBunzarov, IButterworth, JCaines, HSánchez, M Calderón de la BarcaCebra, DChakaberia, IChaloupka, PChan, BKChang, F-HChang, ZChankova-Bunzarova, NChatterjee, AChattopadhyay, SChen, JHChen, XCheng, JCherney, MChristie, WCrawford, HJCsanad, MDas, SDedovich, TGDeppner, IMDerevschikov, AADidenko, LDilks, CDong, XDrachenberg, JLDunlop, JCEdmonds, TElsey, NEngelage, JEppley, GEsha, REsumi, SEvdokimov, OEwigleben, JEyser, OFatemi, RFazio, SFederic, PFedorisin, JFeng, YFilip, PFinch, EFisyak, YFulek, LGagliardi, CAGalatyuk, TGeurts, FGibson, AGrosnick, DGupta, AGuryn, WHamad, AIHamed, AHarris, JWHe, LHeppelmann, SHeppelmann, SHerrmann, NHolub, LHong, YHorvat, SHuang, BHuang, HZHuang, SLHuang, THuang, X2019-09-27We report on the first measurements of J/ψ production at very low transverse momentum (p_{T}<0.2 GeV/c) in hadronic Au+Au collisions at sqrt[s_{NN}]=200 GeV and U+U collisions at sqrt[s_{NN}]=193 GeV. Remarkably, the inferred nuclear modification factor of J/ψ at midrapidity in Au+Au (U+U) collisions reaches about 24 (52) for p_{T}<0.05 GeV/c in the 60%-80% collision centrality class. This noteworthy enhancement cannot be explained by hadronic production accompanied by cold and hot medium effects. In addition, the dN/dt distribution of J/ψ for the very low p_{T} range is presented for the first time. The distribution is consistent with that expected from the Au nucleus and shows a hint of interference. Comparison of the measurements to theoretical calculations of coherent production shows that the excess yield can be described reasonably well and reveals a partial disruption of coherent production in semicentral collisions, perhaps due to the violent hadronic interactions. Incorporating theoretical calculations, the results strongly suggest that the dramatic enhancement of J/ψ yield observed at extremely low p_{T} originates from coherent photon-nucleus interactions. In particular, coherently produced J/ψ's in violent hadronic collisions may provide a novel probe of the quark-gluon plasma.5106 Nuclear and Plasma Physics (for-2020)5107 Particle and High Energy Physics (for-2020)51 Physical Sciences (for-2020)STAR Collaborationhep-exhep-ex01 Mathematical Sciences (for)02 Physical Sciences (for)09 Engineering (for)General Physics (science-metrix)40 Engineering (for-2020)49 Mathematical sciences (for-2020)51 Physical sciences (for-2020)application/pdfpubliceScholarship, University of Californiahttps://escholarship.org/uc/item/6ds2v4bzhttps://escholarship.org/content/qt6ds2v4bz/qt6ds2v4bz.pdfinfo:doi/10.1103/physrevlett.123.132302articlePhysical Review Letters, vol 123, iss 13132302oai:escholarship.org:ark:/13030/qt39h5k0tp2026-04-04T09:40:02Zqt39h5k0tpLongitudinal double-spin asymmetry for inclusive jet and dijet production in pp collisions at s=510 GeVAdam, JAdamczyk, LAdams, JRAdkins, JKAgakishiev, GAggarwal, MMAhammed, ZAlekseev, IAnderson, DMAoyama, RAparin, AArkhipkin, DAschenauer, ECAshraf, MUAtetalla, FAttri, AAverichev, GSBairathi, VBarish, KBassill, AJBehera, ABellwied, RBhasin, ABhati, AKBielcik, JBielcikova, JBland, LCBordyuzhin, IGBrandenburg, JDBrandin, AVBryslawskyj, JBunzarov, IButterworth, JCaines, Hde la Barca Sánchez, M CalderónCebra, DChakaberia, IChaloupka, PChan, BKChang, F-HChang, ZChankova-Bunzarova, NChatterjee, AChattopadhyay, SChen, JHChen, XCheng, JCherney, MChristie, WCrawford, HJCsanád, MDas, SDedovich, TGDeppner, IMDerevschikov, AADidenko, LDilks, CDong, XDrachenberg, JLDunlop, JCEdmonds, TElsey, NEngelage, JEppley, GEsha, REsumi, SEvdokimov, OEwigleben, JEyser, OFatemi, RFazio, SFederic, PFedorisin, JFeng, YFilip, PFinch, EFisyak, YFulek, LGagliardi, CAGalatyuk, TGeurts, FGibson, AGopal, KGrosnick, DGupta, AGuryn, WHamad, AIHamed, AHarris, JWHe, LHeppelmann, SHeppelmann, SHerrmann, NHolub, LHong, YHorvat, SHuang, BHuang, HZHuang, SLHuang, T2019-09-01We report the first measurement of the inclusive jet and the dijet longitudinal double-spin asymmetries, ALL, at midrapidity in polarized pp collisions at a center-of-mass energy s=510 GeV. The inclusive jet ALL measurement is sensitive to the gluon helicity distribution down to a gluon momentum fraction of x≈0.015, while the dijet measurements, separated into four jet-pair topologies, provide constraints on the x dependence of the gluon polarization. Both results are consistent with previous measurements made at s=200 GeV in the overlapping kinematic region, x>0.05, and show good agreement with predictions from recent next-to-leading order global analyses.5106 Nuclear and Plasma Physics (for-2020)5107 Particle and High Energy Physics (for-2020)4902 Mathematical Physics (for-2020)49 Mathematical Sciences (for-2020)51 Physical Sciences (for-2020)hep-exhep-exnucl-exapplication/pdfpubliceScholarship, University of Californiahttps://escholarship.org/uc/item/39h5k0tphttps://escholarship.org/content/qt39h5k0tp/qt39h5k0tp.pdfinfo:doi/10.1103/physrevd.100.052005articlePhysical Review D, vol 100, iss 5052005oai:escholarship.org:ark:/13030/qt28s1h72f2026-04-04T09:39:56Zqt28s1h72fMeasurement of inclusive J/ψ suppression in Au+Au collisions at s NN = 200 GeV through the dimuon channel at STARCollaboration, STARAdam, JAdamczyk, LAdams, JRAdkins, JKAgakishiev, GAggarwal, MMAhammed, ZAlekseev, IAnderson, DMAoyama, RAparin, AArkhipkin, DAschenauer, ECAshraf, MUAtetalla, FAttri, AAverichev, GSBairathi, VBarish, KBassill, AJBehera, ABellwied, RBhasin, ABhati, AKBielcik, JBielcikova, JBland, LCBordyuzhin, IGBrandenburg, JDBrandin, AVBryslawskyj, JBunzarov, IButterworth, JCaines, Hde la Barca Sánchez, M CalderónCebra, DChakaberia, IChaloupka, PChan, BKChang, F-HChang, ZChankova-Bunzarova, NChatterjee, AChattopadhyay, SChen, JHChen, XCheng, JCherney, MChristie, WCrawford, HJCsanád, MDas, SDedovich, TGDeppner, IMDerevschikov, AADidenko, LDilks, CDong, XDrachenberg, JLDunlop, JCEdmonds, TElsey, NEngelage, JEppley, GEsha, REsumi, SEvdokimov, OEwigleben, JEyser, OFatemi, RFazio, SFederic, PFedorisin, JFeng, YFilip, PFinch, EFisyak, YFulek, LGagliardi, CAGalatyuk, TGeurts, FGibson, AGopal, KGrosnick, DGupta, AGuryn, WHamad, AIHamed, AHarris, JWHe, LHeppelmann, SHeppelmann, SHerrmann, NHolub, LHong, YHorvat, SHuang, BHuang, HZHuang, SL2019-10-01J / ψ suppression has long been considered a sensitive signature of the formation of the Quark-Gluon Plasma (QGP) in relativistic heavy-ion collisions. In this letter, we present the first measurement of inclusive J / ψ production at mid-rapidity through the dimuon decay channel in Au+Au collisions at s NN = 200 GeV with the STAR experiment. These measurements became possible after the installation of the Muon Telescope Detector was completed in 2014. The J / ψ yields are measured in a wide transverse momentum ( p T ) range of 0.15 GeV/c to 12 GeV/c from central to peripheral collisions. They extend the kinematic reach of previous measurements at RHIC with improved precision. In the 0-10% most central collisions, the J / ψ yield is suppressed by a factor of approximately 3 for p T > 5 GeV/c relative to that in p + p collisions scaled by the number of binary nucleon-nucleon collisions. The J / ψ nuclear modification factor displays little dependence on p T in all centrality bins. Model calculations can qualitatively describe the data, providing further evidence for the color-screening effect experienced by J / ψ mesons in the QGP.5106 Nuclear and Plasma Physics (for-2020)5107 Particle and High Energy Physics (for-2020)5110 Synchrotrons and Accelerators (for-2020)51 Physical Sciences (for-2020)Quark-gluon plasmaColor-screeningJ/psi suppressionnucl-exnucl-ex0105 Mathematical Physics (for)0201 Astronomical and Space Sciences (for)0202 AtomicMolecularNuclearParticle and Plasma Physics (for)Nuclear & Particles Physics (science-metrix)49 Mathematical sciences (for-2020)51 Physical sciences (for-2020)application/pdfpubliceScholarship, University of Californiahttps://escholarship.org/uc/item/28s1h72fhttps://escholarship.org/content/qt28s1h72f/qt28s1h72f.pdfinfo:doi/10.1016/j.physletb.2019.134917articlePhysics Letters B, vol 797134917oai:escholarship.org:ark:/13030/qt8d25027s2026-04-04T09:36:25Zqt8d25027sHeight and Body Mass Index as Modifiers of Breast Cancer Risk in BRCA1/2 Mutation Carriers: A Mendelian Randomization StudyQian, FrankWang, ShengfengMitchell, JonathanMcGuffog, LesleyBarrowdale, DanielLeslie, GoskaOosterwijk, Jan CChung, Wendy KEvans, D GarethEngel, ChristophKast, KarinAalfs, Cora MAdank, Muriel AAdlard, JulianAgnarsson, Bjarni AAittomäki, KristiinaAlducci, ElisaAndrulis, Irene LArun, Banu KAusems, Margreet GEMAzzollini, JacopoBarouk-Simonet, EmmanuelleBarwell, JulianBelotti, MurielBenitez, JavierBerger, AndreasBorg, AkeBradbury, Angela RBrunet, JoanBuys, Saundra SCaldes, TrinidadCaligo, Maria ACampbell, IanCaputo, Sandrine MChiquette, JocelyneClaes, Kathleen BMCollée, J MargrietCouch, Fergus JCoupier, IsabelleDaly, Mary BDavidson, RosemarieDiez, OrlandDomchek, Susan MDonaldson, AlanDorfling, Cecilia MEeles, RosFeliubadaló, LidiaForetova, LenkaFowler, JeffreyFriedman, EitanFrost, DebraGanz, Patricia AGarber, JudyGarcia-Barberan, VanesaGlendon, GordGodwin, Andrew KGarcia, Encarna B GómezGronwald, JacekHahnen, EricHamann, UteHenderson, AlexHendricks, Carolyn BHopper, John LHulick, Peter JImyanitov, Evgeny NIsaacs, ClaudineIzatt, LouiseIzquierdo, ÁngelJakubowska, AnnaKaczmarek, KatarzynaKang, EunyoungKarlan, Beth YKets, Carolien MKim, Sung-WonKim, ZisunKwong, AvaLaitman, YaelLasset, ChristineLee, Min HyukLee, Jong WonLee, JihyounLester, JennyLesueur, FabienneLoud, Jennifer TLubinski, JanMebirouk, NouraMeijers-Heijboer, Hanne EJMeindl, AlfonsMiller, AustinMontagna, MarcoMooij, Thea MMorrison, Patrick JMouret-Fourme, EmmanuelleNathanson, Katherine LNeuhausen, Susan LNevanlinna, HeliNiederacher, DieterNielsen, Finn CNussbaum, Robert LOffit, Kenneth2019-04-01BACKGROUND: BRCA1/2 mutations confer high lifetime risk of breast cancer, although other factors may modify this risk. Whether height or body mass index (BMI) modifies breast cancer risk in BRCA1/2 mutation carriers remains unclear.
METHODS: We used Mendelian randomization approaches to evaluate the association of height and BMI on breast cancer risk, using data from the Consortium of Investigators of Modifiers of BRCA1/2 with 14 676 BRCA1 and 7912 BRCA2 mutation carriers, including 11 451 cases of breast cancer. We created a height genetic score using 586 height-associated variants and a BMI genetic score using 93 BMI-associated variants. We examined both observed and genetically determined height and BMI with breast cancer risk using weighted Cox models. All statistical tests were two-sided.
RESULTS: Observed height was positively associated with breast cancer risk (HR = 1.09 per 10 cm increase, 95% confidence interval [CI] = 1.0 to 1.17; P = 1.17). Height genetic score was positively associated with breast cancer, although this was not statistically significant (per 10 cm increase in genetically predicted height, HR = 1.04, 95% CI = 0.93 to 1.17; P = .47). Observed BMI was inversely associated with breast cancer risk (per 5 kg/m2 increase, HR = 0.94, 95% CI = 0.90 to 0.98; P = .007). BMI genetic score was also inversely associated with breast cancer risk (per 5 kg/m2 increase in genetically predicted BMI, HR = 0.87, 95% CI = 0.76 to 0.98; P = .02). BMI was primarily associated with premenopausal breast cancer.
CONCLUSION: Height is associated with overall breast cancer and BMI is associated with premenopausal breast cancer in BRCA1/2 mutation carriers. Incorporating height and BMI, particularly genetic score, into risk assessment may improve cancer management.32 Biomedical and Clinical Sciences (for-2020)3211 Oncology and Carcinogenesis (for-2020)Aging (rcdc)Genetics (rcdc)Prevention (rcdc)Breast Cancer (rcdc)Women's Health (rcdc)Genetic Testing (rcdc)Cancer (rcdc)2.1 Biological and endogenous factors (hrcs-rac)Cancer (hrcs-hc)Adult (mesh)BRCA1 Protein (mesh)BRCA2 Protein (mesh)Body Height (mesh)Body Mass Index (mesh)Breast Neoplasms (mesh)Female (mesh)Genetic Predisposition to Disease (mesh)Humans (mesh)Mendelian Randomization Analysis (mesh)Mutation (mesh)PolymorphismSingle Nucleotide (mesh)Prognosis (mesh)Risk Factors (mesh)GEMO Study CollaboratorsHEBONEMBRACEHumans (mesh)Breast Neoplasms (mesh)Genetic Predisposition to Disease (mesh)BRCA1 Protein (mesh)BRCA2 Protein (mesh)Body Mass Index (mesh)Body Height (mesh)Prognosis (mesh)Risk Factors (mesh)Mutation (mesh)PolymorphismSingle Nucleotide (mesh)Adult (mesh)Female (mesh)Mendelian Randomization Analysis (mesh)Adult (mesh)BRCA1 Protein (mesh)BRCA2 Protein (mesh)Body Height (mesh)Body Mass Index (mesh)Breast Neoplasms (mesh)Female (mesh)Genetic Predisposition to Disease (mesh)Humans (mesh)Mendelian Randomization Analysis (mesh)Mutation (mesh)PolymorphismSingle Nucleotide (mesh)Prognosis (mesh)Risk Factors (mesh)1112 Oncology and Carcinogenesis (for)Oncology & Carcinogenesis (science-metrix)3211 Oncology and carcinogenesis (for-2020)publiceScholarship, University of Californiahttps://escholarship.org/uc/item/8d25027sinfo:doi/10.1093/jnci/djy132articleJournal of the National Cancer Institute, vol 111, iss 4350 - 364oai:escholarship.org:ark:/13030/qt1ht405zj2026-04-04T09:36:13Zqt1ht405zjGlobal Polarization of Ξ and Ω Hyperons in Au+Au Collisions at sNN=200 GeVAdam, JAdamczyk, LAdams, JRAdkins, JKAgakishiev, GAggarwal, MMAhammed, ZAlekseev, IAnderson, DMAparin, AAschenauer, ECAshraf, MUAtetalla, FGAttri, AAverichev, GSBairathi, VBarish, KBehera, ABellwied, RBhasin, ABielcik, JBielcikova, JBland, LCBordyuzhin, IGBrandenburg, JDBrandin, AVButterworth, JCaines, Hde la Barca Sánchez, M CalderónCebra, DChakaberia, IChaloupka, PChan, BKChang, F-HChang, ZChankova-Bunzarova, NChatterjee, AChen, DChen, JChen, JHChen, XChen, ZCheng, JCherney, MChevalier, MChoudhury, SChristie, WChu, XCrawford, HJCsanád, MDaugherity, MDedovich, TGDeppner, IMDerevschikov, AADidenko, LDong, XDrachenberg, JLDunlop, JCEdmonds, TElsey, NEngelage, JEppley, GEsumi, SEvdokimov, OEwigleben, AEyser, OFatemi, RFazio, SFederic, PFedorisin, JFeng, CJFeng, YFilip, PFinch, EFisyak, YFrancisco, AFulek, LGagliardi, CAGalatyuk, TGeurts, FGhimire, NGibson, AGopal, KGou, XGrosnick, DGuryn, WHamad, AIHamed, AHarabasz, SHarris, JWHe, SHe, WHe, XHHe, YHeppelmann, SHeppelmann, SHerrmann, NHoffman, EHolub, LHong, Y2021-04-23Global polarization of Ξ and Ω hyperons has been measured for the first time in Au+Au collisions at sqrt[s_{NN}]=200 GeV. The measurements of the Ξ^{-} and Ξ[over ¯]^{+} hyperon polarization have been performed by two independent methods, via analysis of the angular distribution of the daughter particles in the parity violating weak decay Ξ→Λ+π, as well as by measuring the polarization of the daughter Λ hyperon, polarized via polarization transfer from its parent. The polarization, obtained by combining the results from the two methods and averaged over Ξ^{-} and Ξ[over ¯]^{+}, is measured to be ⟨P_{Ξ}⟩=0.47±0.10(stat)±0.23(syst)% for the collision centrality 20%-80%. The ⟨P_{Ξ}⟩ is found to be slightly larger than the inclusive Λ polarization and in reasonable agreement with a multiphase transport model. The ⟨P_{Ξ}⟩ is found to follow the centrality dependence of the vorticity predicted in the model, increasing toward more peripheral collisions. The global polarization of Ω, ⟨P_{Ω}⟩=1.11±0.87(stat)±1.97(syst)% was obtained by measuring the polarization of daughter Λ in the decay Ω→Λ+K, assuming the polarization transfer factor C_{ΩΛ}=1.5106 Nuclear and Plasma Physics (for-2020)5107 Particle and High Energy Physics (for-2020)51 Physical Sciences (for-2020)STAR Collaborationnucl-exnucl-ex01 Mathematical Sciences (for)02 Physical Sciences (for)09 Engineering (for)General Physics (science-metrix)40 Engineering (for-2020)49 Mathematical sciences (for-2020)51 Physical sciences (for-2020)application/pdfpubliceScholarship, University of Californiahttps://escholarship.org/uc/item/1ht405zjhttps://escholarship.org/content/qt1ht405zj/qt1ht405zj.pdfinfo:doi/10.1103/physrevlett.126.162301articlePhysical Review Letters, vol 126, iss 16162301oai:escholarship.org:ark:/13030/qt3q49q09h2026-04-04T09:35:52Zqt3q49q09hMutational spectrum in a worldwide study of 29,700 families with BRCA1 or BRCA2 mutationsRebbeck, Timothy RFriebel, Tara MFriedman, EitanHamann, UteHuo, DezhengKwong, AvaOlah, EdithOlopade, Olufunmilayo ISolano, Angela RTeo, Soo‐HwangThomassen, MadsWeitzel, Jeffrey NChan, TLCouch, Fergus JGoldgar, David EKruse, Torben APalmero, Edenir InêzPark, Sue KyungTorres, Dianavan Rensburg, Elizabeth JMcGuffog, LesleyParsons, Michael TLeslie, GoskaAalfs, Cora MAbugattas, JulioAdlard, JulianAgata, SimonaAittomäki, KristiinaAndrews, LesleyAndrulis, Irene LArason, AdalgeirArnold, NorbertArun, Banu KAsseryanis, EllaAuerbach, LeoAzzollini, JacopoBalmaña, JudithBarile, MonicaBarkardottir, Rosa BBarrowdale, DanielBenitez, JavierBerger, AndreasBerger, RaananBlanco, Amie MBlazer, Kathleen RBlok, Marinus JBonadona, ValérieBonanni, BernardoBradbury, Angela RBrewer, CaroleBuecher, BrunoBuys, Saundra SCaldes, TrinidadCaliebe, AlmuthCaligo, Maria ACampbell, IanCaputo, Sandrine MChiquette, JocelyneChung, Wendy KClaes, Kathleen BMCollée, J MargrietCook, JackieDavidson, Rosemariede la Hoya, MiguelDe Leeneer, Kimde Pauw, AntoineDelnatte, CapucineDiez, OrlandDing, Yuan ChunDitsch, NinaDomchek, Susan MDorfling, Cecilia MVelazquez, CarolinaDworniczak, BerndEason, JacquelineEaston, Douglas FEeles, RosEhrencrona, HansEjlertsen, BentEMBRACEEngel, ChristophEngert, StefanieEvans, D GarethFaivre, LaurenceFeliubadaló, LidiaFerrer, Sandra FertForetova, LenkaFowler, JeffreyFrost, DebraGalvão, Henrique CRGanz, Patricia AGarber, JudyGauthier‐Villars, MarionGehrig, AndreaCollaborators, GEMO StudyGerdes, Anne‐MarieGesta, PaulGiannini, GiuseppeGiraud, SophieGlendon, Gord2018-05-01The prevalence and spectrum of germline mutations in BRCA1 and BRCA2 have been reported in single populations, with the majority of reports focused on White in Europe and North America. The Consortium of Investigators of Modifiers of BRCA1/2 (CIMBA) has assembled data on 18,435 families with BRCA1 mutations and 11,351 families with BRCA2 mutations ascertained from 69 centers in 49 countries on six continents. This study comprehensively describes the characteristics of the 1,650 unique BRCA1 and 1,731 unique BRCA2 deleterious (disease-associated) mutations identified in the CIMBA database. We observed substantial variation in mutation type and frequency by geographical region and race/ethnicity. In addition to known founder mutations, mutations of relatively high frequency were identified in specific racial/ethnic or geographic groups that may reflect founder mutations and which could be used in targeted (panel) first pass genotyping for specific populations. Knowledge of the population-specific mutational spectrum in BRCA1 and BRCA2 could inform efficient strategies for genetic testing and may justify a more broad-based oncogenetic testing in some populations.31 Biological Sciences (for-2020)32 Biomedical and Clinical Sciences (for-2020)3211 Oncology and Carcinogenesis (for-2020)3105 Genetics (for-2020)Minority Health (rcdc)Cancer (rcdc)Women's Health (rcdc)Genetics (rcdc)Breast Cancer (rcdc)Health Disparities and Racial or Ethnic Minority Health Research (rcdc)2.6 Resources and infrastructure (aetiology) (hrcs-rac)BRCA1 Protein (mesh)BRCA2 Protein (mesh)DatabasesGenetic (mesh)Family (mesh)Geography (mesh)Humans (mesh)Internationality (mesh)Mutation (mesh)BRCA1BRCA2breast cancerethnicitygeographymutationovarian cancerEMBRACEGEMO Study CollaboratorsHEBONHumans (mesh)BRCA1 Protein (mesh)BRCA2 Protein (mesh)Family (mesh)Mutation (mesh)Geography (mesh)Internationality (mesh)DatabasesGenetic (mesh)BRCA1BRCA2breast cancerethnicitygeographymutationovarian cancerBRCA1 Protein (mesh)BRCA2 Protein (mesh)DatabasesGenetic (mesh)Family (mesh)Geography (mesh)Humans (mesh)Internationality (mesh)Mutation (mesh)0604 Genetics (for)1103 Clinical Sciences (for)Genetics & Heredity (science-metrix)3105 Genetics (for-2020)3202 Clinical sciences (for-2020)publiceScholarship, University of Californiahttps://escholarship.org/uc/item/3q49q09hinfo:doi/10.1002/humu.23406articleHuman Mutation, vol 39, iss 5593 - 620oai:escholarship.org:ark:/13030/qt5v07v3db2026-04-04T09:35:42Zqt5v07v3dbTransverse spin-dependent azimuthal correlations of charged pion pairs measured in p ↑ + p collisions at s = 500 GeVAdamczyk, LAdams, JRAdkins, JKAgakishiev, GAggarwal, MMAhammed, ZAjitanand, NNAlekseev, IAnderson, DMAoyama, RAparin, AArkhipkin, DAschenauer, ECAshraf, MUAttri, AAverichev, GSBairathi, VBarish, KBehera, ABellwied, RBhasin, ABhati, AKBhattarai, PBielcik, JBielcikova, JBland, LCBordyuzhin, IGBouchet, JBrandenburg, JDBrandin, AVBrown, DBryslawskyj, JBunzarov, IButterworth, JCaines, Hde la Barca Sánchez, M CalderónCampbell, JMCebra, DChakaberia, IChaloupka, PChang, ZChankova-Bunzarova, NChatterjee, AChattopadhyay, SChen, JHChen, XChen, XCheng, JCherney, MChristie, WContin, GCrawford, HJDedovich, TGDeng, JDeppner, IMDerevschikov, AADidenko, LDilks, CDong, XDrachenberg, JLDraper, JEDunlop, JCEfimov, LGElsey, NEngelage, JEppley, GEsha, REsumi, SEvdokimov, OEwigleben, JEyser, OFatemi, RFazio, SFederic, PFedericova, PFedorisin, JFeng, ZFilip, PFinch, EFisyak, YFlores, CEFujita, JFulek, LGagliardi, CAGeurts, FGibson, AGirard, MGrosnick, DGunarathne, DSGuo, YGupta, AGuryn, WHamad, AIHamed, AHarlenderova, AHarris, JWHe, LHeppelmann, SHeppelmann, SHerrmann, N2018-05-01The transversity distribution, which describes transversely polarized quarks in transversely polarized nucleons, is a fundamental component of the spin structure of the nucleon, and is only loosely constrained by global fits to existing semi-inclusive deep inelastic scattering (SIDIS) data. In transversely polarized p ↑ + p collisions it can be accessed using transverse polarization dependent fragmentation functions which give rise to azimuthal correlations between the polarization of the struck parton and the final state scalar mesons. This letter reports on spin dependent di-hadron correlations measured by the STAR experiment. The new dataset corresponds to 25 pb−1 integrated luminosity of p ↑ + p collisions at s = 500 GeV, an increase of more than a factor of ten compared to our previous measurement at s = 200 GeV. Non-zero asymmetries sensitive to transversity are observed at a Q 2 of several hundred GeV and are found to be consistent with the former measurement and a model calculation. We expect that these data will enable an extraction of transversity with comparable precision to current SIDIS datasets but at much higher momentum transfers where subleading effects are suppressed.5106 Nuclear and Plasma Physics (for-2020)5107 Particle and High Energy Physics (for-2020)5108 Quantum Physics (for-2020)4902 Mathematical Physics (for-2020)49 Mathematical Sciences (for-2020)51 Physical Sciences (for-2020)TransversityDi-hadron correlationsInterference fragmentation functionhep-exhep-exnucl-ex0105 Mathematical Physics (for)0201 Astronomical and Space Sciences (for)0202 AtomicMolecularNuclearParticle and Plasma Physics (for)Nuclear & Particles Physics (science-metrix)49 Mathematical sciences (for-2020)51 Physical sciences (for-2020)application/pdfpubliceScholarship, University of Californiahttps://escholarship.org/uc/item/5v07v3dbhttps://escholarship.org/content/qt5v07v3db/qt5v07v3db.pdfinfo:doi/10.1016/j.physletb.2018.02.069articlePhysics Letters B, vol 780332 - 339oai:escholarship.org:ark:/13030/qt3h85c5qk2026-04-04T09:35:28Zqt3h85c5qkSearch for pair production of vector-like top quarks in events with one lepton, jets, and missing transverse momentum in s=13 TeV pp collisions with the ATLAS detectorThe ATLAS collaborationAaboud, MAad, GAbbott, BAbdinov, OAbeloos, BAbidi, SHAbouZeid, OSAbraham, NLAbramowicz, HAbreu, HAbreu, RAbulaiti, YAcharya, BSAdachi, SAdamczyk, LAdelman, JAdersberger, MAdye, TAffolder, AAAgatonovic-Jovin, TAgheorghiesei, CAguilar-Saavedra, JAAhlen, SPAhmadov, FAielli, GAkatsuka, SAkerstedt, HÅkesson, TPAAkilli, EAkimov, AVAlberghi, GLAlbert, JAlbicocco, PVerzini, MJ AlconadaAlderweireldt, SCAleksa, MAleksandrov, INAlexa, CAlexander, GAlexopoulos, TAlhroob, MAli, BAliev, MAlimonti, GAlison, JAlkire, SPAllbrooke, BMMAllen, BWAllport, PPAloisio, AAlonso, AAlonso, FAlpigiani, CAlshehri, AAAlstaty, MGonzalez, B AlvarezPiqueras, D ÁlvarezAlviggi, MGAmadio, BTCoutinho, Y AmaralAmelung, CAmidei, DSantos, SP Amor DosAmorim, AAmoroso, SAmundsen, GAnastopoulos, CAncu, LSAndari, NAndeen, TAnders, CFAnders, JKAnderson, KJAndreazza, AAndrei, VAngelidakis, SAngelozzi, IAngerami, AAnisenkov, AVAnjos, NAnnovi, AAntel, CAntonelli, MAntonov, AAntrim, DJAnulli, FAoki, MBella, L AperioArabidze, GArai, YAraque, JPFerraz, V AraujoArce, ATHArdell, REArduh, FAArguin, J-FArgyropoulos, SArik, MArmbruster, AJ2017-08-01The results of a search for vector-like top quarks using events with exactly one lepton, at least four jets, and large missing transverse momentum are reported. The search is optimised for pair production of vector-like top quarks in the Z(→νν) t + X decay channel. LHC pp collision data at a centre-of-mass energy of s=13$$ \sqrt{s}=13 $$ TeV recorded by the ATLAS detector in 2015 and 2016 are used, corresponding to an integrated luminosity of 36.1 fb−1. No significant excess over the Standard Model expectation is seen and upper limits on the production cross-section of a vector-like T quark pair as a function of the T quark mass are derived. The observed (expected) 95% CL lower limits on the T mass are 870 GeV (890 GeV) for the weak-isospin singlet model, 1.05 TeV (1.06 TeV) for the weak-isospin doublet model and 1.16 TeV (1.17 TeV) for the pure Zt decay mode. Limits are also set on the mass as a function of the decay branching ratios, excluding large parts of the parameter space for masses below 1 TeV.5106 Nuclear and Plasma Physics (for-2020)5107 Particle and High Energy Physics (for-2020)51 Physical Sciences (for-2020)ExoticsHadron-Hadron scattering (experiments)vector-like quarkshep-exhep-ex0105 Mathematical Physics (for)0202 AtomicMolecularNuclearParticle and Plasma Physics (for)0206 Quantum Physics (for)Nuclear & Particles Physics (science-metrix)4902 Mathematical physics (for-2020)5106 Nuclear and plasma physics (for-2020)5107 Particle and high energy physics (for-2020)application/pdfpubliceScholarship, University of Californiahttps://escholarship.org/uc/item/3h85c5qkhttps://escholarship.org/content/qt3h85c5qk/qt3h85c5qk.pdfinfo:doi/10.1007/jhep08(2017)052articleJournal of High Energy Physics, vol 2017, iss 852oai:escholarship.org:ark:/13030/qt2k03c8mr2026-04-04T09:35:13Zqt2k03c8mrDirect virtual photon production in Au+Au collisions at sNN=200 GeVAdamczyk, LAdkins, JKAgakishiev, GAggarwal, MMAhammed, ZAjitanand, NNAlekseev, IAnderson, DMAoyama, RAparin, AArkhipkin, DAschenauer, ECAshraf, MUAttri, AAverichev, GSBai, XBairathi, VBehera, ABellwied, RBhasin, ABhati, AKBhattarai, PBielcik, JBielcikova, JBland, LCBordyuzhin, IGBouchet, JBrandenburg, JDBrandin, AVBrown, DBunzarov, IButterworth, JCaines, Hde la Barca Sánchez, M CalderónCampbell, JMCebra, DChakaberia, IChaloupka, PChang, ZChankova-Bunzarova, NChatterjee, AChattopadhyay, SChen, XChen, XChen, JHCheng, JCherney, MChristie, WContin, GCrawford, HJDas, SDe Silva, LCDebbe, RRDedovich, TGDeng, JDerevschikov, AADidenko, LDilks, CDong, XDrachenberg, JLDraper, JEDunkelberger, LEDunlop, JCEfimov, LGElsey, NEngelage, JEppley, GEsha, REsumi, SEvdokimov, OEwigleben, JEyser, OFatemi, RFazio, SFederic, PFedericova, PFedorisin, JFeng, ZFilip, PFinch, EFisyak, YFlores, CEFujita, JFulek, LGagliardi, CAGarand, DGeurts, FGibson, AGirard, MGrosnick, DGunarathne, DSGuo, YGupta, AGupta, SGuryn, WHamad, AIHamed, AHarlenderova, AHarris, JWHe, L2017-07-01We report the direct virtual photon invariant yields in the transverse momentum ranges 16 GeV/c the production follows TAA scaling. Model calculations with contributions from thermal radiation and initial hard parton scattering are consistent within uncertainties with the direct virtual photon invariant yield.5106 Nuclear and Plasma Physics (for-2020)5107 Particle and High Energy Physics (for-2020)51 Physical Sciences (for-2020)nucl-exnucl-exhep-exhep-phnucl-th0105 Mathematical Physics (for)0201 Astronomical and Space Sciences (for)0202 AtomicMolecularNuclearParticle and Plasma Physics (for)Nuclear & Particles Physics (science-metrix)49 Mathematical sciences (for-2020)51 Physical sciences (for-2020)application/pdfpubliceScholarship, University of Californiahttps://escholarship.org/uc/item/2k03c8mrhttps://escholarship.org/content/qt2k03c8mr/qt2k03c8mr.pdfinfo:doi/10.1016/j.physletb.2017.04.050articlePhysics Letters B, vol 770451 - 458oai:escholarship.org:ark:/13030/qt5723s6kf2026-04-04T09:35:00Zqt5723s6kfJet-like correlations with direct-photon and neutral-pion triggers at sNN=200 GeVAdamczyk, LAdkins, JKAgakishiev, GAggarwal, MMAhammed, ZAlekseev, IAnderson, DMAparin, AArkhipkin, DAschenauer, ECAshraf, MUAttri, AAverichev, GSBai, XBairathi, VBellwied, RBhasin, ABhati, AKBhattarai, PBielcik, JBielcikova, JBland, LCBordyuzhin, IGBouchet, JBrandenburg, JDBrandin, AVBunzarov, IButterworth, JCaines, Hde la Barca Sánchez, M CalderónCampbell, JMCebra, DChakaberia, IChaloupka, PChang, ZChatterjee, AChattopadhyay, SChen, XChen, JHCheng, JCherney, MChristie, WContin, GCrawford, HJDas, SDe Silva, LCDebbe, RRDedovich, TGDeng, JDerevschikov, AAdi Ruzza, BDidenko, LDilks, CDong, XDrachenberg, JLDraper, JEDu, CMDunkelberger, LEDunlop, JCEfimov, LGEngelage, JEppley, GEsha, REvdokimov, OEyser, OFatemi, RFazio, SFederic, PFedorisin, JFeng, ZFilip, PFisyak, YFlores, CEFulek, LGagliardi, CAGarand, DGeurts, FGibson, AGirard, MGreiner, LGrosnick, DGunarathne, DSGuo, YGupta, SGupta, AGuryn, WHamad, AIHamed, AHaque, RHarris, JWHe, LHeppelmann, SHeppelmann, SHirsch, AHoffmann, GWHorvat, SHuang, THuang, BHuang, XHuang, HZ2016-09-01Azimuthal correlations of charged hadrons with direct-photon (γdir) and neutral-pion (π0) trigger particles are analyzed in central Au+Au and minimum-bias p+p collisions at sNN=200 GeV in the STAR experiment. The charged-hadron per-trigger yields at mid-rapidity from central Au+Au collisions are compared with p+p collisions to quantify the suppression in Au+Au collisions. The suppression of the away-side associated-particle yields per γdir trigger is independent of the transverse momentum of the trigger particle (pTtrig), whereas the suppression is smaller at low transverse momentum of the associated charged hadrons (pTassoc). Within uncertainty, similar levels of suppression are observed for γdir and π0 triggers as a function of zT (≡pTassoc/pTtrig). The results are compared with energy-loss-inspired theoretical model predictions. Our studies support previous conclusions that the lost energy reappears predominantly at low transverse momentum, regardless of the trigger energy.5106 Nuclear and Plasma Physics (for-2020)5107 Particle and High Energy Physics (for-2020)51 Physical Sciences (for-2020)nucl-exnucl-exhep-exhep-phnucl-th0105 Mathematical Physics (for)0201 Astronomical and Space Sciences (for)0202 AtomicMolecularNuclearParticle and Plasma Physics (for)Nuclear & Particles Physics (science-metrix)49 Mathematical sciences (for-2020)51 Physical sciences (for-2020)application/pdfpubliceScholarship, University of Californiahttps://escholarship.org/uc/item/5723s6kfhttps://escholarship.org/content/qt5723s6kf/qt5723s6kf.pdfinfo:doi/10.1016/j.physletb.2016.07.046articlePhysics Letters B, vol 760689 - 696oai:escholarship.org:ark:/13030/qt8v97937p2026-04-04T09:34:42Zqt8v97937pMeasurement of D⁎±, D± and Ds± meson production cross sections in pp collisions at s=7 TeV with the ATLAS detectorCollaboration, ATLASAad, GAbbott, BAbdallah, JAbdinov, OAben, RAbolins, MAbouZeid, OSAbramowicz, HAbreu, HAbreu, RAbulaiti, YAcharya, BSAdamczyk, LAdams, DLAdelman, JAdomeit, SAdye, TAffolder, AAAgatonovic-Jovin, TAguilar-Saavedra, JAAhlen, SPAhmadov, FAielli, GAkerstedt, HÅkesson, TPAAkimoto, GAkimov, AVAlberghi, GLAlbert, JAlbrand, SVerzini, MJ AlconadaAleksa, MAleksandrov, INAlexa, CAlexander, GAlexopoulos, TAlhroob, MAlimonti, GAlio, LAlison, JAlkire, SPAllbrooke, BMMAllport, PPAloisio, AAlonso, AAlonso, FAlpigiani, CAltheimer, AGonzalez, B AlvarezPiqueras, D ÁlvarezAlviggi, MGAmadio, BTAmako, KCoutinho, Y AmaralAmelung, CAmidei, DDos Santos, SP AmorAmorim, AAmoroso, SAmram, NAmundsen, GAnastopoulos, CAncu, LSAndari, NAndeen, TAnders, CFAnders, GAnders, JKAnderson, KJAndreazza, AAndrei, VAngelidakis, SAngelozzi, IAnger, PAngerami, AAnghinolfi, FAnisenkov, AVAnjos, NAnnovi, AAntonelli, MAntonov, AAntos, JAnulli, FAoki, MBella, L AperioArabidze, GArai, YAraque, JPArce, ATHArduh, FAArguin, J-FArgyropoulos, SArik, MArmbruster, AJArnaez, OArnal, VArnold, HArratia, MArslan, O2016-06-01The production of D⁎±, D± and Ds± charmed mesons has been measured with the ATLAS detector in pp collisions at s=7 TeV at the LHC, using data corresponding to an integrated luminosity of 280 nb−1. The charmed mesons have been reconstructed in the range of transverse momentum 3.55106 Nuclear and Plasma Physics (for-2020)5107 Particle and High Energy Physics (for-2020)4902 Mathematical Physics (for-2020)49 Mathematical Sciences (for-2020)51 Physical Sciences (for-2020)hep-exhep-ex0105 Mathematical Physics (for)0202 AtomicMolecularNuclearParticle and Plasma Physics (for)0206 Quantum Physics (for)Nuclear & Particles Physics (science-metrix)4902 Mathematical physics (for-2020)5107 Particle and high energy physics (for-2020)application/pdfCC-BYeScholarship, University of Californiahttps://escholarship.org/uc/item/8v97937phttps://escholarship.org/content/qt8v97937p/qt8v97937p.pdfinfo:doi/10.1016/j.nuclphysb.2016.04.032articleNuclear Physics B, vol 907717 - 763oai:escholarship.org:ark:/13030/qt0477w6632026-04-04T09:34:30Zqt0477w663Combination of searches for WW, WZ, and ZZ resonances in pp collisions at s=8 TeV with the ATLAS detectorCollaboration, ATLASAad, GAbbott, BAbdallah, JAbdinov, OAben, RAbolins, MAbouZeid, OSAbramowicz, HAbreu, HAbreu, RAbulaiti, YAcharya, BSAdamczyk, LAdams, DLAdelman, JAdomeit, SAdye, TAffolder, AAAgatonovic-Jovin, TAgricola, JAguilar-Saavedra, JAAhlen, SPAhmadov, FAielli, GAkerstedt, HÅkesson, TPAAkimov, AVAlberghi, GLAlbert, JAlbrand, SVerzini, MJ AlconadaAleksa, MAleksandrov, INAlexa, CAlexander, GAlexopoulos, TAlhroob, MAlimonti, GAlio, LAlison, JAlkire, SPAllbrooke, BMMAllport, PPAloisio, AAlonso, AAlonso, FAlpigiani, CAltheimer, AGonzalez, B AlvarezPiqueras, D ÁlvarezAlviggi, MGAmadio, BTAmako, KCoutinho, Y AmaralAmelung, CAmidei, DDos Santos, SP AmorAmorim, AAmoroso, SAmram, NAmundsen, GAnastopoulos, CAncu, LSAndari, NAndeen, TAnders, CFAnders, GAnders, JKAnderson, KJAndreazza, AAndrei, VAngelidakis, SAngelozzi, IAnger, PAngerami, AAnghinolfi, FAnisenkov, AVAnjos, NAnnovi, AAntonelli, MAntonov, AAntos, JAnulli, FAoki, MBella, L AperioArabidze, GArai, YAraque, JPArce, ATHArduh, FAArguin, J-FArgyropoulos, SArik, MArmbruster, AJArnaez, OArnold, HArratia, MArslan, OArtamonov, A2016-04-01The ATLAS experiment at the CERN Large Hadron Collider has performed searches for new, heavy bosons decaying to WW, WZ and ZZ final states in multiple decay channels using 20.3 fb−1 of pp collision data at s=8 TeV. In the current study, the results of these searches are combined to provide a more stringent test of models predicting heavy resonances with couplings to vector bosons. Direct searches for a charged diboson resonance decaying to WZ in the ℓνℓ′ℓ′ (ℓ=μ,e), ℓℓqq¯, ℓνqq¯ and fully hadronic final states are combined and upper limits on the rate of production times branching ratio to the WZ bosons are compared with predictions of an extended gauge model with a heavy W′ boson. In addition, direct searches for a neutral diboson resonance decaying to WW and ZZ in the ℓℓqq¯, ℓνqq¯, and fully hadronic final states are combined and upper limits on the rate of production times branching ratio to the WW and ZZ bosons are compared with predictions for a heavy, spin-2 graviton in an extended Randall–Sundrum model where the Standard Model fields are allowed to propagate in the bulk of the extra dimension.5106 Nuclear and Plasma Physics (for-2020)5107 Particle and High Energy Physics (for-2020)51 Physical Sciences (for-2020)hep-exhep-ex0105 Mathematical Physics (for)0201 Astronomical and Space Sciences (for)0202 AtomicMolecularNuclearParticle and Plasma Physics (for)Nuclear & Particles Physics (science-metrix)49 Mathematical sciences (for-2020)51 Physical sciences (for-2020)application/pdfCC-BYeScholarship, University of Californiahttps://escholarship.org/uc/item/0477w663https://escholarship.org/content/qt0477w663/qt0477w663.pdfinfo:doi/10.1016/j.physletb.2016.02.015articlePhysics Letters B, vol 755285 - 305oai:escholarship.org:ark:/13030/qt18w6k3sr2026-04-04T09:34:22Zqt18w6k3srSoft x-ray ptychography studies of nanoscale magnetic and structural correlations in thin SmCo5 filmsShi, XFischer, PNeu, VElefant, DLee, JCTShapiro, DAFarmand, MTyliszczak, TShiu, H-WMarchesini, SRoy, SKevan, SD2016-02-29High spatial resolution magnetic x-ray spectromicroscopy at x-ray photon energies near the cobalt L3 resonance was applied to probe an amorphous 50 nm thin SmCo5 film prepared by off-axis pulsed laser deposition onto an x-ray transparent 200 nm thin Si3N4 membrane. Alternating gradient magnetometry shows a strong in-plane anisotropy and an only weak perpendicular magnetic anisotropy, which is confirmed by magnetic transmission soft x-ray microscopy images showing over a field of view of 10 μm a primarily stripe-like domain pattern but with local labyrinth-like domains. Soft x-ray ptychography in amplitude and phase contrast was used to identify and characterize local magnetic and structural features over a field of view of 1 μm with a spatial resolution of about 10 nm. There, the magnetic labyrinth domain patterns are accompanied by nanoscale structural inclusions that are primarily located in close proximity to the magnetic domain walls. Our analysis suggests that these inclusions are nanocrystalline Sm2Co17 phases with nominally in-plane magnetic anisotropy.51 Physical Sciences (for-2020)5104 Condensed Matter Physics (for-2020)MSD-General (c-lbnl-label)MSD-Magnetic Materials (c-lbnl-label)02 Physical Sciences (for)09 Engineering (for)10 Technology (for)Applied Physics (science-metrix)40 Engineering (for-2020)51 Physical sciences (for-2020)application/pdfpubliceScholarship, University of Californiahttps://escholarship.org/uc/item/18w6k3srhttps://escholarship.org/content/qt18w6k3sr/qt18w6k3sr.pdfinfo:doi/10.1063/1.4942776articleApplied Physics Letters, vol 108, iss 9094103oai:escholarship.org:ark:/13030/qt1rf664842026-04-04T09:33:38Zqt1rf66484A search for prompt lepton-jets in pp collisions at s=8 TeV with the ATLAS detectorThe ATLAS collaborationAad, GAbbott, BAbdallah, JAbdinov, OAben, RAbolins, MAbouZeid, OSAbramowicz, HAbreu, HAbreu, RAbulaiti, YAcharya, BSAdamczyk, LAdams, DLAdelman, JAdomeit, SAdye, TAffolder, AAAgatonovic-Jovin, TAgricola, JAguilar-Saavedra, JAAhlen, SPAhmadov, FAielli, GAkerstedt, HÅkesson, TPAAkimov, AVAlberghi, GLAlbert, JAlbrand, SAlconada Verzini, MJAleksa, MAleksandrov, INAlexa, CAlexander, GAlexopoulos, TAlhroob, MAlimonti, GAlio, LAlison, JAlkire, SPAllbrooke, BMMAllport, PPAloisio, AAlonso, AAlonso, FAlpigiani, CAltheimer, AAlvarez Gonzalez, BÁlvarez Piqueras, DAlviggi, MGAmadio, BTAmako, KAmaral Coutinho, YAmelung, CAmidei, DAmor Dos Santos, SPAmorim, AAmoroso, SAmram, NAmundsen, GAnastopoulos, CAncu, LSAndari, NAndeen, TAnders, CFAnders, GAnders, JKAnderson, KJAndreazza, AAndrei, VAngelidakis, SAngelozzi, IAnger, PAngerami, AAnghinolfi, FAnisenkov, AVAnjos, NAnnovi, AAntonelli, MAntonov, AAntos, JAnulli, FAoki, MAperio Bella, LArabidze, GArai, YAraque, JPArce, ATHArduh, FAArguin, J-FArgyropoulos, SArik, MArmbruster, AJArnaez, OArnal, VArnold, HArratia, MArslan, O2016-02-01A search is presented for a new, light boson with a mass of about 1 GeV and decaying promptly to jets of collimated electrons and/or muons (lepton-jets). The analysis is performed with 20.3 fb−1 of data collected by the ATLAS detector at the Large Hadron Collider in proton-proton collisions at a centre-of-mass energy of 8 TeV. Events are required to contain at least two lepton-jets. This study finds no statistically significant deviation from predictions of the Standard Model and places 95% confidence-level upper limits on the contribution of new phenomena beyond the SM, incuding SUSY-portal and Higgs-portal models, on the number of events with lepton-jets.5106 Nuclear and Plasma Physics (for-2020)5107 Particle and High Energy Physics (for-2020)51 Physical Sciences (for-2020)Hadron-Hadron scatteringhep-exhep-ex0105 Mathematical Physics (for)0202 AtomicMolecularNuclearParticle and Plasma Physics (for)0206 Quantum Physics (for)Nuclear & Particles Physics (science-metrix)4902 Mathematical physics (for-2020)5106 Nuclear and plasma physics (for-2020)5107 Particle and high energy physics (for-2020)application/pdfCC-BYeScholarship, University of Californiahttps://escholarship.org/uc/item/1rf66484https://escholarship.org/content/qt1rf66484/qt1rf66484.pdfinfo:doi/10.1007/jhep02(2016)062articleJournal of High Energy Physics, vol 2016, iss 262oai:escholarship.org:ark:/13030/qt8f5569902026-04-04T09:30:36Zqt8f556990Evidence for single top-quark production in the s-channel in proton–proton collisions at s=8 TeV with the ATLAS detector using the Matrix Element MethodCollaboration, ATLASAad, GAbbott, BAbdallah, JAbdinov, OAben, RAbolins, MAbouZeid, OSAbramowicz, HAbreu, HAbreu, RAbulaiti, YAcharya, BSAdamczyk, LAdams, DLAdelman, JAdomeit, SAdye, TAffolder, AAAgatonovic-Jovin, TAgricola, JAguilar-Saavedra, JAAhlen, SPAhmadov, FAielli, GAkerstedt, HÅkesson, TPAAkimov, AVAlberghi, GLAlbert, JAlbrand, SVerzini, MJ AlconadaAleksa, MAleksandrov, INAlexa, CAlexander, GAlexopoulos, TAlhroob, MAlimonti, GAlio, LAlison, JAlkire, SPAllbrooke, BMMAllport, PPAloisio, AAlonso, AAlonso, FAlpigiani, CAltheimer, AGonzalez, B AlvarezPiqueras, D ÁlvarezAlviggi, MGAmadio, BTAmako, KCoutinho, Y AmaralAmelung, CAmidei, DDos Santos, SP AmorAmorim, AAmoroso, SAmram, NAmundsen, GAnastopoulos, CAncu, LSAndari, NAndeen, TAnders, CFAnders, GAnders, JKAnderson, KJAndreazza, AAndrei, VAngelidakis, SAngelozzi, IAnger, PAngerami, AAnghinolfi, FAnisenkov, AVAnjos, NAnnovi, AAntonelli, MAntonov, AAntos, JAnulli, FAoki, MBella, L AperioArabidze, GArai, YAraque, JPArce, ATHArduh, FAArguin, J-FArgyropoulos, SArik, MArmbruster, AJArnaez, OArnold, HArratia, MArslan, OArtamonov, A2016-05-01This Letter presents evidence for single top-quark production in the s-channel using proton–proton collisions at a centre-of-mass energy of 8 TeV with the ATLAS detector at the CERN Large Hadron Collider. The analysis is performed on events containing one isolated electron or muon, large missing transverse momentum and exactly two b-tagged jets in the final state. The analysed data set corresponds to an integrated luminosity of 20.3 fb−1. The signal is extracted using a maximum-likelihood fit of a discriminant which is based on the matrix element method and optimized in order to separate single-top-quark s-channel events from the main background contributions, which are top-quark pair production and W boson production in association with heavy-flavour jets. The measurement leads to an observed signal significance of 3.2 standard deviations and a measured cross-section of σs=4.8±0.8(stat.)−1.3+1.6(syst.) pb, which is consistent with the Standard Model expectation. The expected significance for the analysis is 3.9 standard deviations.5106 Nuclear and Plasma Physics (for-2020)5107 Particle and High Energy Physics (for-2020)51 Physical Sciences (for-2020)hep-exhep-ex0105 Mathematical Physics (for)0201 Astronomical and Space Sciences (for)0202 AtomicMolecularNuclearParticle and Plasma Physics (for)Nuclear & Particles Physics (science-metrix)49 Mathematical sciences (for-2020)51 Physical sciences (for-2020)application/pdfCC-BYeScholarship, University of Californiahttps://escholarship.org/uc/item/8f556990https://escholarship.org/content/qt8f556990/qt8f556990.pdfinfo:doi/10.1016/j.physletb.2016.03.017articlePhysics Letters B, vol 756, iss 756228 - 246oai:escholarship.org:ark:/13030/qt2c13c3q72026-04-04T09:30:25Zqt2c13c3q7Centrality, rapidity, and transverse momentum dependence of isolated prompt photon production in lead-lead collisions at sNN=2.76 TeV measured with the ATLAS detectorAad, GAbbott, BAbdallah, JKhalek, S AbdelAbdinov, OAben, RAbi, BAbolins, MAbouZeid, OSAbramowicz, HAbreu, HAbreu, RAbulaiti, YAcharya, BSAdamczyk, LAdams, DLAdelman, JAdomeit, SAdye, TAgatonovic-Jovin, TAguilar-Saavedra, JAAgustoni, MAhlen, SPAhmadov, FAielli, GAkerstedt, HÅkesson, TPAAkimoto, GAkimov, AVAlberghi, GLAlbert, JAlbrand, SVerzini, MJ AlconadaAleksa, MAleksandrov, INAlexa, CAlexander, GAlexandre, GAlexopoulos, TAlhroob, MAlimonti, GAlio, LAlison, JAllbrooke, BMMAllison, LJAllport, PPAlmond, JAloisio, AAlonso, AAlonso, FAlpigiani, CAltheimer, AGonzalez, B AlvarezAlviggi, MGAmako, KCoutinho, Y AmaralAmelung, CAmidei, DDos Santos, SP AmorAmorim, AAmoroso, SAmram, NAmundsen, GAnastopoulos, CAncu, LSAndari, NAndeen, TAnders, CFAnders, GAnderson, KJAndreazza, AAndrei, VAnduaga, XSAngelidakis, SAngelozzi, IAnger, PAngerami, AAnghinolfi, FAnisenkov, AVAnjos, NAnnovi, AAntonaki, AAntonelli, MAntonov, AAntos, JAnulli, FAoki, MBella, L AperioApolle, RArabidze, GAracena, IArai, YAraque, JPArce, ATHArguin, J-FArgyropoulos, SArik, MArmbruster, AJArnaez, OArnal, V2016-03-01Prompt photon production in sNN=2.76-TeV Pb+Pb collisions has been measured by the ATLAS experiment at the Large Hadron Collider using data collected in 2011 with an integrated luminosity of 0.14 nb-1. Inclusive photon yields, scaled by the mean nuclear thickness function, are presented as a function of collision centrality and transverse momentum in two pseudorapidity intervals, |η|<1.37 and 1.52≤|η|<2.37. The scaled yields in the two pseudorapidity intervals, as well as the ratios of the forward yields to those at midrapidity, are compared to the expectations from next-to-leading-order perturbative QCD (pQCD) calculations. The measured cross sections agree well with the predictions for proton-proton collisions within statistical and systematic uncertainties. Both the yields and the ratios are also compared to two other pQCD calculations, one which uses the isospin content appropriate to colliding lead nuclei and another which includes nuclear modifications to the nucleon parton distribution functions.5106 Nuclear and Plasma Physics (for-2020)5107 Particle and High Energy Physics (for-2020)51 Physical Sciences (for-2020)hep-exhep-exnucl-ex5106 Nuclear and plasma physics (for-2020)application/pdfCC-BYeScholarship, University of Californiahttps://escholarship.org/uc/item/2c13c3q7https://escholarship.org/content/qt2c13c3q7/qt2c13c3q7.pdfinfo:doi/10.1103/physrevc.93.034914articlePhysical Review C, vol 93, iss 3034914oai:escholarship.org:ark:/13030/qt6jz4z53c2026-04-04T09:30:14Zqt6jz4z53cSearch for magnetic monopoles and stable particles with high electric charges in 8 TeV pp collisions with the ATLAS detectorAad, GAbbott, BAbdallah, JAbdinov, OAben, RAbolins, MAbouZeid, OSAbramowicz, HAbreu, HAbreu, RAbulaiti, YAcharya, BSAdamczyk, LAdams, DLAdelman, JAdomeit, SAdye, TAffolder, AAAgatonovic-Jovin, TAgricola, JAguilar-Saavedra, JAAhlen, SPAhmadov, FAielli, GAkerstedt, HÅkesson, TPAAkimov, AVAlberghi, GLAlbert, JAlbrand, SVerzini, MJ AlconadaAleksa, MAleksandrov, INAlexa, CAlexander, GAlexopoulos, TAlhroob, MAlimonti, GAlio, LAlison, JAlkire, SPAllbrooke, BMMAllport, PPAloisio, AAlonso, AAlonso, FAlpigiani, CAltheimer, AGonzalez, B AlvarezPiqueras, D ÁlvarezAlviggi, MGAmadio, BTAmako, KCoutinho, Y AmaralAmelung, CAmidei, DDos Santos, SP AmorAmorim, AAmoroso, SAmram, NAmundsen, GAnastopoulos, CAncu, LSAndari, NAndeen, TAnders, CFAnders, GAnders, JKAnderson, KJAndreazza, AAndrei, VAngelidakis, SAngelozzi, IAnger, PAngerami, AAnghinolfi, FAnisenkov, AVAnjos, NAnnovi, AAntonelli, MAntonov, AAntos, JAnulli, FAoki, MBella, L AperioArabidze, GArai, YAraque, JPArce, ATHArduh, FAArguin, J-FArgyropoulos, SArik, MArmbruster, AJArnaez, OArnal, VArnold, HArratia, MArslan, OArtamonov, A2016-03-01A search for highly ionizing particles produced in proton-proton collisions at 8 TeV center-of-mass energy is performed by the ATLAS Collaboration at the CERN Large Hadron Collider. The data set used corresponds to an integrated luminosity of 7.0 fb-1. A customized trigger significantly increases the sensitivity, permitting a search for such particles with charges and energies beyond what was previously accessible. No events were found in the signal region, leading to production cross section upper limits in the mass range 200–2500 GeV for magnetic monopoles with magnetic charge in the range 0.5gD<|g|<2.0gD, where gD is the Dirac charge, and for stable particles with electric charge in the range 10<|z|<60. Model-dependent limits are presented in given pair-production scenarios, and model-independent limits are presented in fiducial regions of particle energy and pseudorapidity.5106 Nuclear and Plasma Physics (for-2020)5107 Particle and High Energy Physics (for-2020)51 Physical Sciences (for-2020)hep-exhep-exapplication/pdfCC-BYeScholarship, University of Californiahttps://escholarship.org/uc/item/6jz4z53chttps://escholarship.org/content/qt6jz4z53c/qt6jz4z53c.pdfinfo:doi/10.1103/physrevd.93.052009articlePhysical Review D, vol 93, iss 5052009oai:escholarship.org:ark:/13030/qt9p5369wv2026-04-04T09:30:03Zqt9p5369wvMeasurement of jet charge in dijet events from s=8 TeV pp collisions with the ATLAS detectorAad, GAbbott, BAbdallah, JAbdinov, OAben, RAbolins, MAbouZeid, OSAbramowicz, HAbreu, HAbreu, RAbulaiti, YAcharya, BSAdamczyk, LAdams, DLAdelman, JAdomeit, SAdye, TAffolder, AAAgatonovic-Jovin, TAgricola, JAguilar-Saavedra, JAAhlen, SPAhmadov, FAielli, GAkerstedt, HÅkesson, TPAAkimov, AVAlberghi, GLAlbert, JAlbrand, SVerzini, MJ AlconadaAleksa, MAleksandrov, INAlexa, CAlexander, GAlexopoulos, TAlhroob, MAlimonti, GAlio, LAlison, JAlkire, SPAllbrooke, BMMAllport, PPAloisio, AAlonso, AAlonso, FAlpigiani, CAltheimer, AGonzalez, B AlvarezPiqueras, D ÁlvarezAlviggi, MGAmadio, BTAmako, KCoutinho, Y AmaralAmelung, CAmidei, DDos Santos, SP AmorAmorim, AAmoroso, SAmram, NAmundsen, GAnastopoulos, CAncu, LSAndari, NAndeen, TAnders, CFAnders, GAnders, JKAnderson, KJAndreazza, AAndrei, VAngelidakis, SAngelozzi, IAnger, PAngerami, AAnghinolfi, FAnisenkov, AVAnjos, NAnnovi, AAntonelli, MAntonov, AAntos, JAnulli, FAoki, MBella, L AperioArabidze, GArai, YAraque, JPArce, ATHArduh, FAArguin, J-FArgyropoulos, SArik, MArmbruster, AJArnaez, OArnold, HArratia, MArslan, OArtamonov, AArtoni, G2016-03-01The momentum-weighted sum of the charges of tracks associated to a jet is sensitive to the charge of the initiating quark or gluon. This paper presents a measurement of the distribution of momentum-weighted sums, called jet charge, in dijet events using 20.3 fb-1 of data recorded with the ATLAS detector at s=8 TeV in pp collisions at the LHC. The jet charge distribution is unfolded to remove distortions from detector effects and the resulting particle-level distribution is compared with several models. The pT dependence of the jet charge distribution average and standard deviation are compared to predictions obtained with several leading-order and next-to-leading-order parton distribution functions. The data are also compared to different Monte Carlo simulations of QCD dijet production using various settings of the free parameters within these models. The chosen value of the strong coupling constant used to calculate gluon radiation is found to have a significant impact on the predicted jet charge. There is evidence for a pT dependence of the jet charge distribution for a given jet flavor. In agreement with perturbative QCD predictions, the data show that the average jet charge of quark-initiated jets decreases in magnitude as the energy of the jet increases.5106 Nuclear and Plasma Physics (for-2020)5107 Particle and High Energy Physics (for-2020)4902 Mathematical Physics (for-2020)49 Mathematical Sciences (for-2020)51 Physical Sciences (for-2020)hep-exhep-exapplication/pdfCC-BYeScholarship, University of Californiahttps://escholarship.org/uc/item/9p5369wvhttps://escholarship.org/content/qt9p5369wv/qt9p5369wv.pdfinfo:doi/10.1103/physrevd.93.052003articlePhysical Review D, vol 93, iss 5052003oai:escholarship.org:ark:/13030/qt10f4c68k2026-04-04T09:28:49Zqt10f4c68kConstraints on new phenomena via Higgs boson couplings and invisible decays with the ATLAS detectorThe ATLAS collaborationAad, GAbbott, BAbdallah, JAbdinov, OAben, RAbolins, MAbouZeid, OSAbramowicz, HAbreu, HAbreu, RAbulaiti, YAcharya, BSAdamczyk, LAdams, DLAdelman, JAdomeit, SAdye, TAffolder, AAAgatonovic-Jovin, TAgricola, JAguilar-Saavedra, JAAhlen, SPAhmadov, FAielli, GAkerstedt, HÅkesson, TPAAkimov, AVAlberghi, GLAlbert, JAlbrand, SAlconada Verzini, MJAleksa, MAleksandrov, INAlexa, CAlexander, GAlexopoulos, TAlhroob, MAlimonti, GAlio, LAlison, JAlkire, SPAllbrooke, BMMAllport, PPAloisio, AAlonso, AAlonso, FAlpigiani, CAltheimer, AAlvarez Gonzalez, BÁlvarez Piqueras, DAlviggi, MGAmadio, BTAmako, KAmaral Coutinho, YAmelung, CAmidei, DAmor Dos Santos, SPAmorim, AAmoroso, SAmram, NAmundsen, GAnastopoulos, CAncu, LSAndari, NAndeen, TAnders, CFAnders, GAnders, JKAnderson, KJAndreazza, AAndrei, VAngelidakis, SAngelozzi, IAnger, PAngerami, AAnghinolfi, FAnisenkov, AVAnjos, NAnnovi, AAntonelli, MAntonov, AAntos, JAnulli, FAoki, MAperio Bella, LArabidze, GArai, YAraque, JPArce, ATHArduh, FAArguin, J-FArgyropoulos, SArik, MArmbruster, AJArnaez, OArnal, VArnold, HArratia, MArslan, O2015-11-01The ATLAS experiment at the LHC has measured the Higgs boson couplings and mass, and searched for invisible Higgs boson decays, using multiple production and decay channels with up to 4.7 fb−1 of pp collision data at s=7$$ \sqrt{s}=7 $$ TeV and 20.3 fb−1 at s=8$$ \sqrt{s}=8 $$ TeV. In the current study, the measured production and decay rates of the observed Higgs boson in the γγ, ZZ, W W , Zγ, bb, τ τ , and μμ decay channels, along with results from the associated production of a Higgs boson with a top-quark pair, are used to probe the scaling of the couplings with mass. Limits are set on parameters in extensions of the Standard Model including a composite Higgs boson, an additional electroweak singlet, and two-Higgs-doublet models. Together with the measured mass of the scalar Higgs boson in the γγ and ZZ decay modes, a lower limit is set on the pseudoscalar Higgs boson mass of mA> 370 GeV in the “hMSSM” simplified Minimal Supersymmetric Standard Model. Results from direct searches for heavy Higgs bosons are also interpreted in the hMSSM. Direct searches for invisible Higgs boson decays in the vector-boson fusion and associated production of a Higgs boson with W/Z (Z → ℓℓ, W/Z → jj) modes are statistically combined to set an upper limit on the Higgs boson invisible branching ratio of 0.25. The use of the measured visible decay rates in a more general coupling fit improves the upper limit to 0.23, constraining a Higgs portal model of dark matter.5106 Nuclear and Plasma Physics (for-2020)5107 Particle and High Energy Physics (for-2020)51 Physical Sciences (for-2020)SupersymmetryHadron-Hadron ScatteringHiggs physicsDark matterhep-exhep-ex0105 Mathematical Physics (for)0202 AtomicMolecularNuclearParticle and Plasma Physics (for)0206 Quantum Physics (for)Nuclear & Particles Physics (science-metrix)4902 Mathematical physics (for-2020)5106 Nuclear and plasma physics (for-2020)5107 Particle and high energy physics (for-2020)application/pdfCC-BYeScholarship, University of Californiahttps://escholarship.org/uc/item/10f4c68khttps://escholarship.org/content/qt10f4c68k/qt10f4c68k.pdfinfo:doi/10.1007/jhep11(2015)206articleJournal of High Energy Physics, vol 2015, iss 11206oai:escholarship.org:ark:/13030/qt4zg4j8552026-04-04T09:28:29Zqt4zg4j855Summary of the ATLAS experiment’s sensitivity to supersymmetry after LHC Run 1 — interpreted in the phenomenological MSSMThe ATLAS collaborationAad, GAbbott, BAbdallah, JAbdinov, OAben, RAbolins, MAbouZeid, OSAbramowicz, HAbreu, HAbreu, RAbulaiti, YAcharya, BSAdamczyk, LAdams, DLAdelman, JAdomeit, SAdye, TAffolder, AAAgatonovic-Jovin, TAgricola, JAguilar-Saavedra, JAAhlen, SPAhmadov, FAielli, GAkerstedt, HÅkesson, TPAAkimov, AVAlberghi, GLAlbert, JAlbrand, SAlconada Verzini, MJAleksa, MAleksandrov, INAlexa, CAlexander, GAlexopoulos, TAlhroob, MAlimonti, GAlio, LAlison, JAlkire, SPAllbrooke, BMMAllport, PPAloisio, AAlonso, AAlonso, FAlpigiani, CAltheimer, AAlvarez Gonzalez, BÁlvarez Piqueras, DAlviggi, MGAmadio, BTAmako, KAmaral Coutinho, YAmelung, CAmidei, DAmor Dos Santos, SPAmorim, AAmoroso, SAmram, NAmundsen, GAnastopoulos, CAncu, LSAndari, NAndeen, TAnders, CFAnders, GAnders, JKAnderson, KJAndreazza, AAndrei, VAngelidakis, SAngelozzi, IAnger, PAngerami, AAnghinolfi, FAnisenkov, AVAnjos, NAnnovi, AAntonelli, MAntonov, AAntos, JAnulli, FAoki, MAperio Bella, LArabidze, GArai, YAraque, JPArce, ATHArduh, FAArguin, J-FArgyropoulos, SArik, MArmbruster, AJArnaez, OArnold, HArratia, MArslan, OArtamonov, A2015-10-01A summary of the constraints from the ATLAS experiment on R-parity-conserving supersymmetry is presented. Results from 22 separate ATLAS searches are considered, each based on analysis of up to 20.3 fb−1 of proton-proton collision data at centre-of-mass energies of s=7$$ \sqrt{s}=7 $$ and 8 TeV at the Large Hadron Collider. The results are interpreted in the context of the 19-parameter phenomenological minimal supersymmetric standard model, in which the lightest supersymmetric particle is a neutralino, taking into account constraints from previous precision electroweak and flavour measurements as well as from dark matter related measurements. The results are presented in terms of constraints on supersymmetric particle masses and are compared to limits from simplified models. The impact of ATLAS searches on parameters such as the dark matter relic density, the couplings of the observed Higgs boson, and the degree of electroweak fine-tuning is also shown. Spectra for surviving supersymmetry model points with low fine-tunings are presented.5106 Nuclear and Plasma Physics (for-2020)5107 Particle and High Energy Physics (for-2020)51 Physical Sciences (for-2020)Hadron-Hadron Scatteringhep-exhep-ex0105 Mathematical Physics (for)0202 AtomicMolecularNuclearParticle and Plasma Physics (for)0206 Quantum Physics (for)Nuclear & Particles Physics (science-metrix)4902 Mathematical physics (for-2020)5106 Nuclear and plasma physics (for-2020)5107 Particle and high energy physics (for-2020)application/pdfCC-BYeScholarship, University of Californiahttps://escholarship.org/uc/item/4zg4j855https://escholarship.org/content/qt4zg4j855/qt4zg4j855.pdfinfo:doi/10.1007/jhep10(2015)134articleJournal of High Energy Physics, vol 2015, iss 10134oai:escholarship.org:ark:/13030/qt580357532026-04-04T09:28:19Zqt58035753Determination of the top-quark pole mass using tt¯ + 1-jet events collected with the ATLAS experiment in 7 TeV pp collisionsThe ATLAS collaborationAad, GAbbott, BAbdallah, JAbdel Khalek, SAbdinov, OAben, RAbi, BAbolins, MAbouZeid, OSAbramowicz, HAbreu, HAbreu, RAbulaiti, YAcharya, BSAdamczyk, LAdams, DLAdelman, JAdomeit, SAdye, TAgatonovic-Jovin, TAguilar-Saavedra, JAAgustoni, MAhlen, SPAhmadov, FAielli, GAkerstedt, HÅkesson, TPAAkimoto, GAkimov, AVAlberghi, GLAlbert, JAlbrand, SAlconada Verzini, MJAleksa, MAleksandrov, INAlexa, CAlexander, GAlexopoulos, TAlhroob, MAlimonti, GAlio, LAlison, JAllbrooke, BMMAllison, LJAllport, PPAloisio, AAlonso, AAlonso, FAlpigiani, CAltheimer, AAlvarez Gonzalez, BAlviggi, MGAmako, KAmaral Coutinho, YAmelung, CAmidei, DAmor Dos Santos, SPAmorim, AAmoroso, SAmram, NAmundsen, GAnastopoulos, CAncu, LSAndari, NAndeen, TAnders, CFAnders, GAnderson, KJAndreazza, AAndrei, VAnduaga, XSAngelidakis, SAngelozzi, IAnger, PAngerami, AAnghinolfi, FAnisenkov, AVAnjos, NAnnovi, AAntonelli, MAntonov, AAntos, JAnulli, FAoki, MAperio Bella, LArabidze, GArai, YAraque, JPArce, ATHArduh, FAArguin, J-FArgyropoulos, SArik, MArmbruster, AJArnaez, OArnal, VArnold, HArratia, MArslan, O2015-10-01The normalized differential cross section for top-quark pair production in association with at least one jet is studied as a function of the inverse of the invariant mass of the tt¯$$ t\overline{t} $$ + 1-jet system. This distribution can be used for a precise determination of the top-quark mass since gluon radiation depends on the mass of the quarks. The experimental analysis is based on proton-proton collision data collected by the ATLAS detector at the LHC with a centre-of-mass energy of 7 TeV corresponding to an integrated luminosity of 4.6 fb−1. The selected events were identified using the lepton+jets top-quark-pair decay channel, where lepton refers to either an electron or a muon. The observed distribution is compared to a theoretical prediction at next-to-leading-order accuracy in quantum chromodynamics using the pole-mass scheme. With this method, the measured value of the top-quark pole mass, mtpole, is:
mtpole=173.7±1.5stat.±1.4syst.−0.5+1.0theoryGeV.$$ {m}_t^{\mathrm{pole}}=173.7\pm 1.5\left(\mathrm{stat}.\right)\pm 1.4{\left(\mathrm{syst}.\right)}_{-0.5}^{+1.0}\left(\mathrm{theory}\right)\mathrm{GeV}. $$This result represents the most precise measurement of the top-quark pole mass to date.5106 Nuclear and Plasma Physics (for-2020)5107 Particle and High Energy Physics (for-2020)4902 Mathematical Physics (for-2020)49 Mathematical Sciences (for-2020)51 Physical Sciences (for-2020)Hadron-Hadron ScatteringTop physicshep-exhep-ex0105 Mathematical Physics (for)0202 AtomicMolecularNuclearParticle and Plasma Physics (for)0206 Quantum Physics (for)Nuclear & Particles Physics (science-metrix)4902 Mathematical physics (for-2020)5106 Nuclear and plasma physics (for-2020)5107 Particle and high energy physics (for-2020)application/pdfCC-BYeScholarship, University of Californiahttps://escholarship.org/uc/item/58035753https://escholarship.org/content/qt58035753/qt58035753.pdfinfo:doi/10.1007/jhep10(2015)121articleJournal of High Energy Physics, vol 2015, iss 10121oai:escholarship.org:ark:/13030/qt3p26j1zg2026-04-04T09:28:08Zqt3p26j1zgA search for tt¯ resonances using lepton-plus-jets events in proton-proton collisions at s=8 TeV with the ATLAS detectorThe ATLAS collaborationAad, GAbbott, BAbdallah, JAbdinov, OAben, RAbolins, MAbouZeid, OSAbramowicz, HAbreu, HAbreu, RAbulaiti, YAcharya, BSAdamczyk, LAdams, DLAdelman, JAdomeit, SAdye, TAffolder, AAAgatonovic-Jovin, TAguilar-Saavedra, JAAhlen, SPAhmadov, FAielli, GAkerstedt, HÅkesson, TPAAkimoto, GAkimov, AVAlberghi, GLAlbert, JAlbrand, SAlconada Verzini, MJAleksa, MAleksandrov, INAlexa, CAlexander, GAlexopoulos, TAlhroob, MAlimonti, GAlio, LAlison, JAlkire, SPAllbrooke, BMMAllport, PPAloisio, AAlonso, AAlonso, FAlpigiani, CAltheimer, AAlvarez Gonzalez, BÁlvarez Piqueras, DAlviggi, MGAmadio, BTAmako, KAmaral Coutinho, YAmelung, CAmidei, DAmor Dos Santos, SPAmorim, AAmoroso, SAmram, NAmundsen, GAnastopoulos, CAncu, LSAndari, NAndeen, TAnders, CFAnders, GAnders, JKAnderson, KJAndreazza, AAndrei, VAngelidakis, SAngelozzi, IAnger, PAngerami, AAnghinolfi, FAnisenkov, AVAnjos, NAnnovi, AAntonelli, MAntonov, AAntos, JAnulli, FAoki, MAperio Bella, LArabidze, GArai, YAraque, JPArce, ATHArduh, FAArguin, J-FArgyropoulos, SArik, MArmbruster, AJArnaez, OArnal, VArnold, HArratia, MArslan, O2015-08-01A search for new particles that decay into top quark pairs is reported. The search is performed with the ATLAS experiment at the LHC using an integrated luminosity of 20.3 fb−1 of proton-proton collision data collected at a centre-of-mass energy of s=8$$ \sqrt{s}=8 $$ TeV. The lepton-plus-jets final state is used, where the top pair decays to W+bW−b¯$$ {W}^{+}b{W}^{-}\overline{b} $$, with one W boson decaying leptonically and the other hadronically. The invariant mass spectrum of top quark pairs is examined for local excesses or deficits that are inconsistent with the Standard Model predictions. No evidence for a top quark pair resonance is found, and 95% confidence-level limits on the production rate are determined for massive states in benchmark models. The upper limits on the cross-section times branching ratio of a narrow Z′ boson decaying to top pairs range from 4.2 pb to 0.03 pb for resonance masses from 0.4 TeV to 3.0 TeV. A narrow leptophobic topcolour Z′ boson with mass below 1.8 TeV is excluded. Upper limits are set on the cross-section times branching ratio for a broad colour-octet resonance with Γ/m = 15% decaying to tt¯$$ t\overline{t} $$. These range from 4.8 pb to 0.03 pb for masses from 0.4 TeV to 3.0 TeV. A Kaluza-Klein excitation of the gluon in a Randall-Sundrum model is excluded for masses below 2.2 TeV.5106 Nuclear and Plasma Physics (for-2020)5107 Particle and High Energy Physics (for-2020)4902 Mathematical Physics (for-2020)49 Mathematical Sciences (for-2020)51 Physical Sciences (for-2020)ExoticsHadron-Hadron ScatteringTop physicshep-exhep-ex0105 Mathematical Physics (for)0202 AtomicMolecularNuclearParticle and Plasma Physics (for)0206 Quantum Physics (for)Nuclear & Particles Physics (science-metrix)4902 Mathematical physics (for-2020)5106 Nuclear and plasma physics (for-2020)5107 Particle and high energy physics (for-2020)application/pdfCC-BYeScholarship, University of Californiahttps://escholarship.org/uc/item/3p26j1zghttps://escholarship.org/content/qt3p26j1zg/qt3p26j1zg.pdfinfo:doi/10.1007/jhep08(2015)148articleJournal of High Energy Physics, vol 2015, iss 8148oai:escholarship.org:ark:/13030/qt4db7f2952026-04-04T09:27:49Zqt4db7f295Search for new phenomena in events with three or more charged leptons in pp collisions at s=8 TeV with the ATLAS detectorThe ATLAS collaborationAad, GAbbott, BAbdallah, JAbdel Khalek, SAbdinov, OAben, RAbi, BAbolins, MAbouZeid, OSAbramowicz, HAbreu, HAbreu, RAbulaiti, YAcharya, BSAdamczyk, LAdams, DLAdelman, JAdomeit, SAdye, TAgatonovic-Jovin, TAguilar-Saavedra, JAAgustoni, MAhlen, SPAhmadov, FAielli, GAkerstedt, HÅkesson, TPAAkimoto, GAkimov, AVAlberghi, GLAlbert, JAlbrand, SAlconada Verzini, MJAleksa, MAleksandrov, INAlexa, CAlexander, GAlexandre, GAlexopoulos, TAlhroob, MAlimonti, GAlio, LAlison, JAllbrooke, BMMAllison, LJAllport, PPAloisio, AAlonso, AAlonso, FAlpigiani, CAltheimer, AAlvarez Gonzalez, BAlviggi, MGAmako, KAmaral Coutinho, YAmelung, CAmidei, DAmor Dos Santos, SPAmorim, AAmoroso, SAmram, NAmundsen, GAnastopoulos, CAncu, LSAndari, NAndeen, TAnders, CFAnders, GAnderson, KJAndreazza, AAndrei, VAnduaga, XSAngelidakis, SAngelozzi, IAnger, PAngerami, AAnghinolfi, FAnisenkov, AVAnjos, NAnnovi, AAntonelli, MAntonov, AAntos, JAnulli, FAoki, MAperio Bella, LArabidze, GArai, YAraque, JPArce, ATHArduh, FAArguin, J-FArgyropoulos, SArik, MArmbruster, AJArnaez, OArnal, VArnold, HArratia, M2015-08-01A generic search for anomalous production of events with at least three charged leptons is presented. The data sample consists of pp collisions at s=8$$ \sqrt{s}=8 $$ TeV collected in 2012 by the ATLAS experiment at the CERN Large Hadron Collider, and corresponds to an integrated luminosity of 20.3 fb−1. Events are required to have at least three selected lepton candidates, at least two of which must be electrons or muons, while the third may be a hadronically decaying tau. Selected events are categorized based on their lepton flavour content and signal regions are constructed using several kinematic variables of interest. No significant deviations from Standard Model predictions are observed. Model-independent upper limits on contributions from beyond the Standard Model phenomena are provided for each signal region, along with prescription to re-interpret the limits for any model. Constraints are also placed on models predicting doubly charged Higgs bosons and excited leptons. For doubly charged Higgs bosons decaying to eτ or μτ, lower limits on the mass are set at 400 GeV at 95% confidence level. For excited leptons, constraints are provided as functions of both the mass of the excited state and the compositeness scale Λ, with the strongest mass constraints arising in regions where the mass equals Λ. In such scenarios, lower mass limits are set at 3.0 TeV for excited electrons and muons, 2.5 TeV for excited taus, and 1.6 TeV for every excited-neutrino flavour.5106 Nuclear and Plasma Physics (for-2020)5107 Particle and High Energy Physics (for-2020)51 Physical Sciences (for-2020)Hadron-Hadron Scatteringhep-exhep-ex0105 Mathematical Physics (for)0202 AtomicMolecularNuclearParticle and Plasma Physics (for)0206 Quantum Physics (for)Nuclear & Particles Physics (science-metrix)4902 Mathematical physics (for-2020)5106 Nuclear and plasma physics (for-2020)5107 Particle and high energy physics (for-2020)application/pdfCC-BYeScholarship, University of Californiahttps://escholarship.org/uc/item/4db7f295https://escholarship.org/content/qt4db7f295/qt4db7f295.pdfinfo:doi/10.1007/jhep08(2015)138articleJournal of High Energy Physics, vol 2015, iss 8138oai:escholarship.org:ark:/13030/qt9fr5z9tz2026-04-04T09:27:39Zqt9fr5z9tzErratum to: Measurement of the inclusive jet cross-section in proton-proton collisions at s=7 TeV using 4.5 fb−1 of data with the ATLAS detectorThe ATLAS collaborationAad, GAbbott, BAbdallah, JAbdel Khalek, SAbdinov, OAben, RAbi, BAbolins, MAbouZeid, OSAbramowicz, HAbreu, HAbreu, RAbulaiti, YAcharya, BSAdamczyk, LAdams, DLAdelman, JAdomeit, SAdye, TAgatonovic-Jovin, TAguilar-Saavedra, JAAgustoni, MAhlen, SPAhmadov, FAielli, GAkerstedt, HÅkesson, TPAAkimoto, GAkimov, AVAlberghi, GLAlbert, JAlbrand, SAlconada Verzini, MJAleksa, MAleksandrov, INAlexa, CAlexander, GAlexandre, GAlexopoulos, TAlhroob, MAlimonti, GAlio, LAlison, JAllbrooke, BMMAllison, LJAllport, PPAlmond, JAloisio, AAlonso, AAlonso, FAlpigiani, CAltheimer, AAlvarez Gonzalez, BAlviggi, MGAmako, KAmaral Coutinho, YAmelung, CAmidei, DAmor Dos Santos, SPAmorim, AAmoroso, SAmram, NAmundsen, GAnastopoulos, CAncu, LSAndari, NAndeen, TAnders, CFAnders, GAnderson, KJAndreazza, AAndrei, VAnduaga, XSAngelidakis, SAngelozzi, IAnger, PAngerami, AAnghinolfi, FAnisenkov, AVAnjos, NAnnovi, AAntonaki, AAntonelli, MAntonov, AAntos, JAnulli, FAoki, MAperio Bella, LApolle, RArabidze, GAracena, IArai, YAraque, JPArce, ATHArguin, J-FArgyropoulos, SArik, MArmbruster, AJArnaez, O2015-09-01It was found that the non-perturbative corrections calculated using Pythia with the Perugia 2011 tune did not include the effect of the underlying event. The affected correction factors were recomputed using the Pythia 6.427 generator. These corrections are applied as baseline to the NLO pQCD calculations and thus the central values of the theoretical predictions have changed by a few percent with the new corrections. This has a minor impact on the agreement between the data and the theoretical predictions. Figures 2 and 6 to 13, and all the tables have been updated with the new values. A few sentences in the discussion in sections 5.2 and 9 were altered or removed.5106 Nuclear and Plasma Physics (for-2020)5107 Particle and High Energy Physics (for-2020)51 Physical Sciences (for-2020)0105 Mathematical Physics (for)0202 AtomicMolecularNuclearParticle and Plasma Physics (for)0206 Quantum Physics (for)Nuclear & Particles Physics (science-metrix)4902 Mathematical physics (for-2020)5106 Nuclear and plasma physics (for-2020)5107 Particle and high energy physics (for-2020)application/pdfCC-BYeScholarship, University of Californiahttps://escholarship.org/uc/item/9fr5z9tzhttps://escholarship.org/content/qt9fr5z9tz/qt9fr5z9tz.pdfinfo:doi/10.1007/jhep09(2015)141articleJournal of High Energy Physics, vol 2015, iss 9141oai:escholarship.org:ark:/13030/qt4s0364ns2026-04-04T09:27:06Zqt4s0364nsMeasurement of charged-particle spectra in Pb+Pb collisions at sNN=2.76 TeV with the ATLAS detector at the LHCThe ATLAS collaborationAad, GAbbott, BAbdallah, JAbdel Khalek, SAbdinov, OAben, RAbi, BAbolins, MAbouZeid, OSAbramowicz, HAbreu, HAbreu, RAbulaiti, YAcharya, BSAdamczyk, LAdams, DLAdelman, JAdomeit, SAdye, TAgatonovic-Jovin, TAguilar-Saavedra, JAAgustoni, MAhlen, SPAhmadov, FAielli, GAkerstedt, HÅkesson, TPAAkimoto, GAkimov, AVAlberghi, GLAlbert, JAlbrand, SAlconada Verzini, MJAleksa, MAleksandrov, INAlexa, CAlexander, GAlexandre, GAlexopoulos, TAlhroob, MAlimonti, GAlio, LAlison, JAllbrooke, BMMAllison, LJAllport, PPAloisio, AAlonso, AAlonso, FAlpigiani, CAltheimer, AAlvarez Gonzalez, BAlviggi, MGAmako, KAmaral Coutinho, YAmelung, CAmidei, DAmor Dos Santos, SPAmorim, AAmoroso, SAmram, NAmundsen, GAnastopoulos, CAncu, LSAndari, NAndeen, TAnders, CFAnders, GAnderson, KJAndreazza, AAndrei, VAnduaga, XSAngelidakis, SAngelozzi, IAnger, PAngerami, AAnghinolfi, FAnisenkov, AVAnjos, NAnnovi, AAntonelli, MAntonov, AAntos, JAnulli, FAoki, MAperio Bella, LArabidze, GArai, YAraque, JPArce, ATHArduh, FAArguin, J-FArgyropoulos, SArik, MArmbruster, AJArnaez, OArnal, VArnold, HArratia, M2015-09-01Charged-particle spectra obtained in Pb+Pb interactions at (Formula presented.) and pp interactions at (Formula presented.) with the ATLAS detector at the LHC are presented, using data with integrated luminosities of 0.15 nb−1 and 4.2 pb−1, respectively, in a wide transverse momentum (0.5 < pT< 150 GeV) and pseudorapidity (|η| < 2) range. For Pb+Pb collisions, the spectra are presented as a function of collision centrality, which is determined by the response of the forward calorimeters located on both sides of the interaction point. The nuclear modification factors RAA and RCP are presented in detail as a function of centrality, pT and η. They show a distinct pT-dependence with a pronounced minimum at about 7 GeV. Above 60 GeV, RAA is consistent with a plateau at a centrality-dependent value, within the uncertainties. The value is 0.55 ± 0.01(stat.) ± 0.04(syst.) in the most central collisions. The RAA distribution is consistent with flat |η| dependence over the whole transverse momentum range in all centrality classes.5106 Nuclear and Plasma Physics (for-2020)5107 Particle and High Energy Physics (for-2020)51 Physical Sciences (for-2020)QCDHeavy Ionshep-exhep-exnucl-ex0105 Mathematical Physics (for)0202 AtomicMolecularNuclearParticle and Plasma Physics (for)0206 Quantum Physics (for)Nuclear & Particles Physics (science-metrix)4902 Mathematical physics (for-2020)5106 Nuclear and plasma physics (for-2020)5107 Particle and high energy physics (for-2020)application/pdfCC-BYeScholarship, University of Californiahttps://escholarship.org/uc/item/4s0364nshttps://escholarship.org/content/qt4s0364ns/qt4s0364ns.pdfinfo:doi/10.1007/jhep09(2015)050articleJournal of High Energy Physics, vol 2015, iss 950oai:escholarship.org:ark:/13030/qt57k8d4zg2026-04-04T09:24:32Zqt57k8d4zgSearch for low-scale gravity signatures in multi-jet final states with the ATLAS detector at s=8 TeVThe ATLAS collaborationAad, GAbbott, BAbdallah, JAbdinov, OAben, RAbolins, MAbouZeid, OSAbramowicz, HAbreu, HAbreu, RAbulaiti, YAcharya, BSAdamczyk, LAdams, DLAdelman, JAdomeit, SAdye, TAffolder, AAAgatonovic-Jovin, TAguilar-Saavedra, JAAhlen, SPAhmadov, FAielli, GAkerstedt, HÅkesson, TPAAkimoto, GAkimov, AVAlberghi, GLAlbert, JAlbrand, SAlconada Verzini, MJAleksa, MAleksandrov, INAlexa, CAlexander, GAlexopoulos, TAlhroob, MAlimonti, GAlio, LAlison, JAlkire, SPAllbrooke, BMMAllport, PPAloisio, AAlonso, AAlonso, FAlpigiani, CAltheimer, AAlvarez Gonzalez, BÁlvarez Piqueras, DAlviggi, MGAmadio, BTAmako, KAmaral Coutinho, YAmelung, CAmidei, DAmor Dos Santos, SPAmorim, AAmoroso, SAmram, NAmundsen, GAnastopoulos, CAncu, LSAndari, NAndeen, TAnders, CFAnders, GAnders, JKAnderson, KJAndreazza, AAndrei, VAngelidakis, SAngelozzi, IAnger, PAngerami, AAnghinolfi, FAnisenkov, AVAnjos, NAnnovi, AAntonelli, MAntonov, AAntos, JAnulli, FAoki, MAperio Bella, LArabidze, GArai, YAraque, JPArce, ATHArduh, FAArguin, J-FArgyropoulos, SArik, MArmbruster, AJArnaez, OArnal, VArnold, HArratia, MArslan, O2015-07-01A search for evidence of physics beyond the Standard Model in final states with multiple high-transverse-momentum jets is performed using 20.3 fb−1 of proton-proton collision data at s=8$$ \sqrt{s}=8 $$ TeV recorded by the ATLAS detector at the LHC. No significant excess of events beyond Standard Model expectations is observed, and upper limits on the visible cross sections for non-Standard Model production of multi-jet final states are set. A wide variety of models for black hole and string ball production and decay are considered, and the upper limit on the cross section times acceptance is as low as 0.16 fb at the 95% confidence level. For these models, excluded regions are also given as function of the main model parameters.5106 Nuclear and Plasma Physics (for-2020)5107 Particle and High Energy Physics (for-2020)4902 Mathematical Physics (for-2020)49 Mathematical Sciences (for-2020)51 Physical Sciences (for-2020)ExoticsHadron-Hadron Scatteringhep-exhep-ex0105 Mathematical Physics (for)0202 AtomicMolecularNuclearParticle and Plasma Physics (for)0206 Quantum Physics (for)Nuclear & Particles Physics (science-metrix)4902 Mathematical physics (for-2020)5106 Nuclear and plasma physics (for-2020)5107 Particle and high energy physics (for-2020)application/pdfCC-BYeScholarship, University of Californiahttps://escholarship.org/uc/item/57k8d4zghttps://escholarship.org/content/qt57k8d4zg/qt57k8d4zg.pdfinfo:doi/10.1007/jhep07(2015)032articleJournal of High Energy Physics, vol 2015, iss 732oai:escholarship.org:ark:/13030/qt41x605nw2026-04-04T09:24:20Zqt41x605nwSearch for pair and single production of new heavy quarks that decay to a Z boson and a third-generation quark in pp collisions at s=8 TeV with the ATLAS detectorThe ATLAS collaborationAad, GAbbott, BAbdallah, JAbdel Khalek, SAbdinov, OAben, RAbi, BAbolins, MAbouZeid, OSAbramowicz, HAbreu, HAbreu, RAbulaiti, YAcharya, BSAdamczyk, LAdams, DLAdelman, JAdomeit, SAdye, TAgatonovic-Jovin, TAguilar-Saavedra, JAAgustoni, MAhlen, SPAhmadov, FAielli, GAkerstedt, HÅkesson, TPAAkimoto, GAkimov, AVAlberghi, GLAlbert, JAlbrand, SAlconada Verzini, MJAleksa, MAleksandrov, INAlexa, CAlexander, GAlexandre, GAlexopoulos, TAlhroob, MAlimonti, GAlio, LAlison, JAllbrooke, BMMAllison, LJAllport, PPAlmond, JAloisio, AAlonso, AAlonso, FAlpigiani, CAltheimer, AAlvarez Gonzalez, BAlviggi, MGAmako, KAmaral Coutinho, YAmelung, CAmidei, DAmor Dos Santos, SPAmorim, AAmoroso, SAmram, NAmundsen, GAnastopoulos, CAncu, LSAndari, NAndeen, TAnders, CFAnders, GAnderson, KJAndreazza, AAndrei, VAnduaga, XSAngelidakis, SAngelozzi, IAnger, PAngerami, AAnghinolfi, FAnisenkov, AVAnjos, NAnnovi, AAntonaki, AAntonelli, MAntonov, AAntos, JAnulli, FAoki, MAperio Bella, LApolle, RArabidze, GAracena, IArai, YAraque, JPArce, ATHArguin, J-FArgyropoulos, SArik, MArmbruster, AJArnaez, O2014-11-01A search is presented for the production of new heavy quarks that decay to a Z boson and a third-generation Standard Model quark. In the case of a new charge +2/3 quark (T ), the decay targeted is T → Zt, while the decay targeted for a new charge −1/3 quark (B) is B → Zb. The search is performed with a dataset corresponding to 20.3 fb−1 of pp collisions at s=8$$ \sqrt{s}=8 $$ TeV recorded in 2012 with the ATLAS detector at the CERN Large Hadron Collider. Selected events contain a high transverse momentum Z boson candidate reconstructed from a pair of oppositely charged same-flavor leptons (electrons or muons), and are analyzed in two channels defined by the absence or presence of a third lepton. Hadronic jets, in particular those with properties consistent with the decay of a b-hadron, are also required to be present in selected events. Different requirements are made on the jet activity in the event in order to enhance the sensitivity to either heavy quark pair production mediated by the strong interaction, or single production mediated by the electroweak interaction. No significant excess of events above the Standard Model expectation is observed, and lower limits are derived on the mass of vector-like T and B quarks under various branching ratio hypotheses, as well as upper limits on the magnitude of electroweak coupling parameters.5106 Nuclear and Plasma Physics (for-2020)5107 Particle and High Energy Physics (for-2020)51 Physical Sciences (for-2020)Hadron-Hadron Scatteringhep-exhep-ex0105 Mathematical Physics (for)0202 AtomicMolecularNuclearParticle and Plasma Physics (for)0206 Quantum Physics (for)Nuclear & Particles Physics (science-metrix)4902 Mathematical physics (for-2020)5106 Nuclear and plasma physics (for-2020)5107 Particle and high energy physics (for-2020)application/pdfCC-BYeScholarship, University of Californiahttps://escholarship.org/uc/item/41x605nwhttps://escholarship.org/content/qt41x605nw/qt41x605nw.pdfinfo:doi/10.1007/jhep11(2014)104articleJournal of High Energy Physics, vol 2014, iss 11104oai:escholarship.org:ark:/13030/qt6mw722fd2026-04-04T09:24:09Zqt6mw722fdSearch for neutral Higgs bosons of the minimal supersymmetric standard model in pp collisions at s=8 TeV with the ATLAS detectorThe ATLAS collaborationAad, GAbbott, BAbdallah, JAbdel Khalek, SAbdinov, OAben, RAbi, BAbolins, MAbouZeid, OSAbramowicz, HAbreu, HAbreu, RAbulaiti, YAcharya, BSAdamczyk, LAdams, DLAdelman, JAdomeit, SAdye, TAgatonovic-Jovin, TAguilar-Saavedra, JAAgustoni, MAhlen, SPAhmadov, FAielli, GAkerstedt, HÅkesson, TPAAkimoto, GAkimov, AVAlberghi, GLAlbert, JAlbrand, SAlconada Verzini, MJAleksa, MAleksandrov, INAlexa, CAlexander, GAlexandre, GAlexopoulos, TAlhroob, MAlimonti, GAlio, LAlison, JAllbrooke, BMMAllison, LJAllport, PPAloisio, AAlonso, AAlonso, FAlpigiani, CAltheimer, AAlvarez Gonzalez, BAlviggi, MGAmako, KAmaral Coutinho, YAmelung, CAmidei, DAmor Dos Santos, SPAmorim, AAmoroso, SAmram, NAmundsen, GAnastopoulos, CAncu, LSAndari, NAndeen, TAnders, CFAnders, GAnderson, KJAndreazza, AAndrei, VAnduaga, XSAngelidakis, SAngelozzi, IAnger, PAngerami, AAnghinolfi, FAnisenkov, AVAnjos, NAnnovi, AAntonaki, AAntonelli, MAntonov, AAntos, JAnulli, FAoki, MAperio Bella, LApolle, RArabidze, GAracena, IArai, YAraque, JPArce, ATHArduh, FAArguin, J-FArgyropoulos, SArik, MArmbruster, AJArnaez, O2014-11-01A search for the neutral Higgs bosons predicted by the Minimal Supersymmetric Standard Model (MSSM) is reported. The analysis is performed on data from proton-proton collisions at a centre-of-mass energy of 8 TeV collected with the ATLAS detector at the Large Hadron Collider. The samples used for this search were collected in 2012 and correspond to integrated luminosities in the range 19.5-20.3 fb−1. The MSSM Higgs bosons are searched for in the τ τ final state. No significant excess over the expected background is observed, and exclusion limits are derived for the production cross section times branching fraction of a scalar particle as a function of its mass. The results are also interpreted in the MSSM parameter space for various benchmark scenarios.5106 Nuclear and Plasma Physics (for-2020)5107 Particle and High Energy Physics (for-2020)51 Physical Sciences (for-2020)Hadron-Hadron Scatteringhep-exhep-ex0105 Mathematical Physics (for)0202 AtomicMolecularNuclearParticle and Plasma Physics (for)0206 Quantum Physics (for)Nuclear & Particles Physics (science-metrix)4902 Mathematical physics (for-2020)5106 Nuclear and plasma physics (for-2020)5107 Particle and high energy physics (for-2020)application/pdfCC-BYeScholarship, University of Californiahttps://escholarship.org/uc/item/6mw722fdhttps://escholarship.org/content/qt6mw722fd/qt6mw722fd.pdfinfo:doi/10.1007/jhep11(2014)056articleJournal of High Energy Physics, vol 2014, iss 1156oai:escholarship.org:ark:/13030/qt2n37d0bv2026-04-04T09:23:58Zqt2n37d0bvMeasurement of differential production cross-sections for a Z boson in association with b-jets in 7 TeV proton-proton collisions with the ATLAS detectorThe ATLAS collaborationAad, GAbbott, BAbdallah, JAbdel Khalek, SAbdinov, OAben, RAbi, BAbolins, MAbouZeid, OSAbramowicz, HAbreu, HAbreu, RAbulaiti, YAcharya, BSAdamczyk, LAdams, DLAdelman, JAdomeit, SAdye, TAgatonovic-Jovin, TAguilar-Saavedra, JAAgustoni, MAhlen, SPAhmadov, FAielli, GAkerstedt, HÅkesson, TPAAkimoto, GAkimov, AVAlberghi, GLAlbert, JAlbrand, SAlconada Verzini, MJAleksa, MAleksandrov, INAlexa, CAlexander, GAlexandre, GAlexopoulos, TAlhroob, MAlimonti, GAlio, LAlison, JAllbrooke, BMMAllison, LJAllport, PPAlmond, JAloisio, AAlonso, AAlonso, FAlpigiani, CAltheimer, AAlvarez Gonzalez, BAlviggi, MGAmako, KAmaral Coutinho, YAmelung, CAmidei, DAmor Dos Santos, SPAmorim, AAmoroso, SAmram, NAmundsen, GAnastopoulos, CAncu, LSAndari, NAndeen, TAnders, CFAnders, GAnderson, KJAndreazza, AAndrei, VAnduaga, XSAngelidakis, SAngelozzi, IAnger, PAngerami, AAnghinolfi, FAnisenkov, AVAnjos, NAnnovi, AAntonaki, AAntonelli, MAntonov, AAntos, JAnulli, FAoki, MAperio Bella, LApolle, RArabidze, GAracena, IArai, YAraque, JPArce, ATHArguin, J-FArgyropoulos, SArik, MArmbruster, AJArnaez, O2014-10-01Measurements of differential production cross-sections of a Z boson in association with b-jets in pp collisions at s=7$$ \sqrt{s}=7 $$ TeV are reported. The data analysed correspond to an integrated luminosity of 4.6 fb−1 recorded with the ATLAS detector at the Large Hadron Collider. Particle-level cross-sections are determined for events with a Z boson decaying into an electron or muon pair, and containing b-jets. For events with at least one b-jet, the cross-section is presented as a function of the Z boson transverse momentum and rapidity, together with the inclusive b-jet cross-section as a function of b-jet transverse momentum, rapidity and angular separations between the b-jet and the Z boson. For events with at least two b-jets, the cross-section is determined as a function of the invariant mass and angular separation of the two highest transverse momentum b-jets, and as a function of the Z boson transverse momentum and rapidity. Results are compared to leading-order and next-to-leading-order perturbative QCD calculations.5106 Nuclear and Plasma Physics (for-2020)5107 Particle and High Energy Physics (for-2020)4902 Mathematical Physics (for-2020)49 Mathematical Sciences (for-2020)51 Physical Sciences (for-2020)Electroweak interactionHadron-Hadron ScatteringQCDHeavy quark productionhep-exhep-ex0105 Mathematical Physics (for)0202 AtomicMolecularNuclearParticle and Plasma Physics (for)0206 Quantum Physics (for)Nuclear & Particles Physics (science-metrix)4902 Mathematical physics (for-2020)5106 Nuclear and plasma physics (for-2020)5107 Particle and high energy physics (for-2020)application/pdfCC-BYeScholarship, University of Californiahttps://escholarship.org/uc/item/2n37d0bvhttps://escholarship.org/content/qt2n37d0bv/qt2n37d0bv.pdfinfo:doi/10.1007/jhep10(2014)141articleJournal of High Energy Physics, vol 2014, iss 10141oai:escholarship.org:ark:/13030/qt3p64t8w52026-04-04T09:23:46Zqt3p64t8w5Measurement of the charge asymmetry in dileptonic decays of top quark pairs in pp collisions at s=7 TeV using the ATLAS detectorThe ATLAS collaborationAad, GAbbott, BAbdallah, JAbdel Khalek, SAbdinov, OAben, RAbi, BAbolins, MAbouZeid, OSAbramowicz, HAbreu, HAbreu, RAbulaiti, YAcharya, BSAdamczyk, LAdams, DLAdelman, JAdomeit, SAdye, TAgatonovic-Jovin, TAguilar-Saavedra, JAAgustoni, MAhlen, SPAhmadov, FAielli, GAkerstedt, HÅkesson, TPAAkimoto, GAkimov, AVAlberghi, GLAlbert, JAlbrand, SAlconada Verzini, MJAleksa, MAleksandrov, INAlexa, CAlexander, GAlexandre, GAlexopoulos, TAlhroob, MAlimonti, GAlio, LAlison, JAllbrooke, BMMAllison, LJAllport, PPAloisio, AAlonso, AAlonso, FAlpigiani, CAltheimer, AAlvarez Gonzalez, BAlviggi, MGAmako, KAmaral Coutinho, YAmelung, CAmidei, DAmor Dos Santos, SPAmorim, AAmoroso, SAmram, NAmundsen, GAnastopoulos, CAncu, LSAndari, NAndeen, TAnders, CFAnders, GAnderson, KJAndreazza, AAndrei, VAnduaga, XSAngelidakis, SAngelozzi, IAnger, PAngerami, AAnghinolfi, FAnisenkov, AVAnjos, NAnnovi, AAntonaki, AAntonelli, MAntonov, AAntos, JAnulli, FAoki, MAperio Bella, LApolle, RArabidze, GAracena, IArai, YAraque, JPArce, ATHArduh, FAArguin, J-FArgyropoulos, SArik, MArmbruster, AJArnaez, O2015-05-01A measurement of the top-antitop tt¯$$ \left(t\overline{t}\right) $$ charge asymmetry is presented using data corresponding to an integrated luminosity of 4.6 fb−1 of LHC pp collisions at a centreof-mass energy of 7 TeV collected by the ATLAS detector. Events with two charged leptons, at least two jets and large missing transverse momentum are selected. Two observables are studied: ACℓℓ based on the identified charged leptons, and ACtt¯$$ {A}_{\mathrm{C}}^{t\overline{t}} $$, based on the reconstructed tt final state. The asymmetries are measured to be
ACℓℓ=0.024±0.015stat.±0.009syst.,$$ {A}_{\mathrm{C}}^{\ell \ell }=0.024\pm 0.015\left(\mathrm{stat}.\right)\pm 0.009\left(\mathrm{syst}.\right), $$ACtt¯=0.021±0.025stat.±0.017syst..$$ {A}_{\mathrm{C}}^{t\overline{t}}=0.021\pm 0.025\left(\mathrm{stat}.\right)\pm 0.017\left(\mathrm{syst}.\right). $$The measured values are in agreement with the Standard Model predictions.5106 Nuclear and Plasma Physics (for-2020)5107 Particle and High Energy Physics (for-2020)4902 Mathematical Physics (for-2020)49 Mathematical Sciences (for-2020)51 Physical Sciences (for-2020)Hadron-Hadron ScatteringTop physicshep-exhep-ex0105 Mathematical Physics (for)0202 AtomicMolecularNuclearParticle and Plasma Physics (for)0206 Quantum Physics (for)Nuclear & Particles Physics (science-metrix)4902 Mathematical physics (for-2020)5106 Nuclear and plasma physics (for-2020)5107 Particle and high energy physics (for-2020)application/pdfCC-BYeScholarship, University of Californiahttps://escholarship.org/uc/item/3p64t8w5https://escholarship.org/content/qt3p64t8w5/qt3p64t8w5.pdfinfo:doi/10.1007/jhep05(2015)061articleJournal of High Energy Physics, vol 2015, iss 561oai:escholarship.org:ark:/13030/qt2vx840pk2026-04-04T09:23:34Zqt2vx840pkMeasurement of the W W + W Z cross section and limits on anomalous triple gauge couplings using final states with one lepton, missing transverse momentum, and two jets with the ATLAS detector at s=7 TeVThe ATLAS collaborationAad, GAbbott, BAbdallah, JAbdel Khalek, SAbdinov, OAben, RAbi, BAbolins, MAbouZeid, OSAbramowicz, HAbreu, HAbreu, RAbulaiti, YAcharya, BSAdamczyk, LAdams, DLAdelman, JAdomeit, SAdye, TAgatonovic-Jovin, TAguilar-Saavedra, JAAgustoni, MAhlen, SPAhmadov, FAielli, GAkerstedt, HÅkesson, TPAAkimoto, GAkimov, AVAlberghi, GLAlbert, JAlbrand, SAlconada Verzini, MJAleksa, MAleksandrov, INAlexa, CAlexander, GAlexandre, GAlexopoulos, TAlhroob, MAlimonti, GAlio, LAlison, JAllbrooke, BMMAllison, LJAllport, PPAloisio, AAlonso, AAlonso, FAlpigiani, CAltheimer, AAlvarez Gonzalez, BAlviggi, MGAmako, KAmaral Coutinho, YAmelung, CAmidei, DAmor Dos Santos, SPAmorim, AAmoroso, SAmram, NAmundsen, GAnastopoulos, CAncu, LSAndari, NAndeen, TAnders, CFAnders, GAnderson, KJAndreazza, AAndrei, VAnduaga, XSAngelidakis, SAngelozzi, IAnger, PAngerami, AAnghinolfi, FAnisenkov, AVAnjos, NAnnovi, AAntonaki, AAntonelli, MAntonov, AAntos, JAnulli, FAoki, MAperio Bella, LApolle, RArabidze, GAracena, IArai, YAraque, JPArce, ATHArduh, FAArguin, J-FArgyropoulos, SArik, MArmbruster, AJArnaez, O2015-01-01The production of a W boson decaying to eν or μν in association with a W or Z boson decaying to two jets is studied using 4.6 fb−1 of proton-proton collision data at s=7$$ \sqrt{s}=7 $$ TeV recorded with the ATLAS detector at the LHC. The combined WW + WZ cross section is measured with a significance of 3.4σ and is found to be 68±7 (stat.)±19 (syst.) pb, in agreement with the Standard Model expectation of 61.1±2.2 pb. The distribution of the transverse momentum of the dijet system is used to set limits on anomalous contributions to the triple gauge coupling vertices and on parameters of an effective-field-theory model.5106 Nuclear and Plasma Physics (for-2020)5107 Particle and High Energy Physics (for-2020)51 Physical Sciences (for-2020)Hadron-Hadron Scatteringhep-exhep-ex0105 Mathematical Physics (for)0202 AtomicMolecularNuclearParticle and Plasma Physics (for)0206 Quantum Physics (for)Nuclear & Particles Physics (science-metrix)4902 Mathematical physics (for-2020)5106 Nuclear and plasma physics (for-2020)5107 Particle and high energy physics (for-2020)application/pdfCC-BYeScholarship, University of Californiahttps://escholarship.org/uc/item/2vx840pkhttps://escholarship.org/content/qt2vx840pk/qt2vx840pk.pdfinfo:doi/10.1007/jhep01(2015)049articleJournal of High Energy Physics, vol 2015, iss 149oai:escholarship.org:ark:/13030/qt5jb5d88x2026-04-04T09:23:23Zqt5jb5d88xMeasurement of the transverse polarization of Λ and Λ¯ hyperons produced in proton-proton collisions at s=7 TeV using the ATLAS detectorAad, GAbbott, BAbdallah, JKhalek, S AbdelAbdinov, OAben, RAbi, BAbolins, MAbouZeid, OSAbramowicz, HAbreu, HAbreu, RAbulaiti, YAcharya, BSAdamczyk, LAdams, DLAdelman, JAdomeit, SAdye, TAgatonovic-Jovin, TAguilar-Saavedra, JAAgustoni, MAhlen, SPAhmadov, FAielli, GAkerstedt, HÅkesson, TPAAkimoto, GAkimov, AVAlberghi, GLAlbert, JAlbrand, SVerzini, MJ AlconadaAleksa, MAleksandrov, INAlexa, CAlexander, GAlexandre, GAlexopoulos, TAlhroob, MAlimonti, GAlio, LAlison, JAllbrooke, BMMAllison, LJAllport, PPAloisio, AAlonso, AAlonso, FAlpigiani, CAltheimer, AGonzalez, B AlvarezAlviggi, MGAmako, KCoutinho, Y AmaralAmelung, CAmidei, DDos Santos, SP AmorAmorim, AAmoroso, SAmram, NAmundsen, GAnastopoulos, CAncu, LSAndari, NAndeen, TAnders, CFAnders, GAnderson, KJAndreazza, AAndrei, VAnduaga, XSAngelidakis, SAngelozzi, IAnger, PAngerami, AAnghinolfi, FAnisenkov, AVAnjos, NAnnovi, AAntonelli, MAntonov, AAntos, JAnulli, FAoki, MBella, L AperioArabidze, GArai, YAraque, JPArce, ATHArduh, FAArguin, J-FArgyropoulos, SArik, MArmbruster, AJArnaez, OArnal, VArnold, HArratia, MArslan, O2015-02-01The transverse polarization of Λ and Λ¯ hyperons produced in proton-proton collisions at a center-of-mass energy of 7 TeV is measured. The analysis uses 760 μb-1 of minimum bias data collected by the ATLAS detector at the LHC in the year 2010. The measured transverse polarization averaged over Feynman xF from 5×10-5 to 0.01 and transverse momentum pT from 0.8 to 15 GeV is -0.010±0.005(stat)±0.004(syst) for Λ and 0.002±0.006(stat)±0.004(syst) for Λ¯. It is also measured as a function of xF and pT, but no significant dependence on these variables is observed. Prior to this measurement, the polarization was measured at fixed-target experiments with center-of-mass energies up to about 40 GeV. The ATLAS results are compatible with the extrapolation of a fit from previous measurements to the xF range covered by this measurement.5106 Nuclear and Plasma Physics (for-2020)5107 Particle and High Energy Physics (for-2020)51 Physical Sciences (for-2020)hep-exhep-exapplication/pdfCC-BYeScholarship, University of Californiahttps://escholarship.org/uc/item/5jb5d88xhttps://escholarship.org/content/qt5jb5d88x/qt5jb5d88x.pdfinfo:doi/10.1103/physrevd.91.032004articlePhysical Review D, vol 91, iss 3032004oai:escholarship.org:ark:/13030/qt96r3j17b2026-04-04T09:23:13Zqt96r3j17bMeasurement of the total cross section from elastic scattering in pp collisions at s=7 TeV with the ATLAS detectorCollaboration, ATLASAad, GAbbott, BAbdallah, JKhalek, S AbdelAbdinov, OAben, RAbi, BAbolins, MAbouZeid, OSAbramowicz, HAbreu, HAbreu, RAbulaiti, YAcharya, BSAdamczyk, LAdams, DLAdelman, JAdomeit, SAdye, TAgatonovic-Jovin, TAguilar-Saavedra, JAAgustoni, MAhlen, SPAhmadov, FAielli, GAkerstedt, HÅkesson, TPAAkimoto, GAkimov, AVAlberghi, GLAlbert, JAlbrand, SVerzini, MJ AlconadaAleksa, MAleksandrov, INAlexa, CAlexander, GAlexandre, GAlexopoulos, TAlhroob, MAlimonti, GAlio, LAlison, JAllbrooke, BMMAllison, LJAllport, PPAlmond, JAloisio, AAlonso, AAlonso, FAlpigiani, CAltheimer, AGonzalez, B AlvarezAlviggi, MGAmako, KCoutinho, Y AmaralAmelung, CAmidei, DDos Santos, SP AmorAmorim, AAmoroso, SAmram, NAmundsen, GAnastopoulos, CAncu, LSAndari, NAndeen, TAnders, CFAnders, GAnderson, KJAndreazza, AAndrei, VAnduaga, XSAngelidakis, SAngelozzi, IAnger, PAngerami, AAnghinolfi, FAnisenkov, AVAnjos, NAnnovi, AAntonaki, AAntonelli, MAntonov, AAntos, JAnulli, FAoki, MBella, L AperioApolle, RArabidze, GAracena, IArai, YAraque, JPArce, ATHArguin, J-FArgyropoulos, SArik, MArmbruster, AJArnaez, O2014-12-01A measurement of the total pp cross section at the LHC at s=7 TeV is presented. In a special run with high-β⋆ beam optics, an integrated luminosity of 80 μb−1 was accumulated in order to measure the differential elastic cross section as a function of the Mandelstam momentum transfer variable t. The measurement is performed with the ALFA sub-detector of ATLAS. Using a fit to the differential elastic cross section in the |t| range from 0.01 GeV2 to 0.1 GeV2 to extrapolate to |t|→0, the total cross section, σtot(pp→X), is measured via the optical theorem to be:σtot(pp→X)=95.35±0.38(stat.)±1.25(exp.)±0.37(extr.)mb, where the first error is statistical, the second accounts for all experimental systematic uncertainties and the last is related to uncertainties in the extrapolation to |t|→0. In addition, the slope of the elastic cross section at small |t| is determined to be B=19.73±0.14(stat.)±0.26(syst.) GeV−2.5106 Nuclear and Plasma Physics (for-2020)5107 Particle and High Energy Physics (for-2020)5110 Synchrotrons and Accelerators (for-2020)51 Physical Sciences (for-2020)hep-exhep-ex0105 Mathematical Physics (for)0202 AtomicMolecularNuclearParticle and Plasma Physics (for)0206 Quantum Physics (for)Nuclear & Particles Physics (science-metrix)4902 Mathematical physics (for-2020)5107 Particle and high energy physics (for-2020)application/pdfCC-BYeScholarship, University of Californiahttps://escholarship.org/uc/item/96r3j17bhttps://escholarship.org/content/qt96r3j17b/qt96r3j17b.pdfinfo:doi/10.1016/j.nuclphysb.2014.10.019articleNuclear Physics B, vol 889486 - 548oai:escholarship.org:ark:/13030/qt43z9102c2026-04-04T09:21:59Zqt43z9102cComprehensive measurements of t-channel single top-quark production cross sections at s=7 TeV with the ATLAS detectorAad, GAbbott, BAbdallah, JKhalek, S AbdelAbdinov, OAben, RAbi, BAbolins, MAbouZeid, OSAbramowicz, HAbreu, HAbreu, RAbulaiti, YAcharya, BSAdamczyk, LAdams, DLAdelman, JAdomeit, SAdye, TAgatonovic-Jovin, TAguilar-Saavedra, JAAgustoni, MAhlen, SPAhmadov, FAielli, GAkerstedt, HÅkesson, TPAAkimoto, GAkimov, AVAlberghi, GLAlbert, JAlbrand, SVerzini, MJ AlconadaAleksa, MAleksandrov, INAlexa, CAlexander, GAlexandre, GAlexopoulos, TAlhroob, MAlimonti, GAlio, LAlison, JAllbrooke, BMMAllison, LJAllport, PPAlmond, JAloisio, AAlonso, AAlonso, FAlpigiani, CAltheimer, AGonzalez, B AlvarezAlviggi, MGAmako, KCoutinho, Y AmaralAmelung, CAmidei, DDos Santos, SP AmorAmorim, AAmoroso, SAmram, NAmundsen, GAnastopoulos, CAncu, LSAndari, NAndeen, TAnders, CFAnders, GAnderson, KJAndreazza, AAndrei, VAnduaga, XSAngelidakis, SAngelozzi, IAnger, PAngerami, AAnghinolfi, FAnisenkov, AVAnjos, NAnnovi, AAntonaki, AAntonelli, MAntonov, AAntos, JAnulli, FAoki, MBella, L AperioApolle, RArabidze, GAracena, IArai, YAraque, JPArce, ATHArguin, J-FArgyropoulos, SArik, MArmbruster, AJArnaez, OArnal, V2014-12-01This article presents measurements of the t-channel single top-quark (t) and top-antiquark (t¯) total production cross sections σ(tq) and σ(t¯q), their ratio Rt=σ(tq)/σ(t¯q), and a measurement of the inclusive production cross section σ(tq+t¯q) in proton-proton collisions at s=7 TeV at the LHC. Differential cross sections for the tq and t¯q processes are measured as a function of the transverse momentum and the absolute value of the rapidity of t and t¯, respectively. The analyzed data set was recorded with the ATLAS detector and corresponds to an integrated luminosity of 4.59 fb−1. Selected events contain one charged lepton, large missing transverse momentum, and two or three jets. The cross sections are measured by performing a binned maximum-likelihood fit to the output distributions of neural networks. The resulting measurements are σ(tq)=46±1(stat)±6(syst) pb, σ(t¯q)=23±1(stat)±3(syst) pb, Rt=2.04±0.13(stat)±0.12(syst), and σ(tq+t¯q)=68±2(stat)±8(syst) pb, consistent with the Standard Model expectation. The uncertainty on the measured cross sections is dominated by systematic uncertainties, while the uncertainty on Rt is mainly statistical. Using the ratio of σ(tq+t¯q) to its theoretical prediction, and assuming that the top-quark-related CKM matrix elements obey the relation |Vtb|≫|Vts|,|Vtd|, we determine |Vtb|=1.02±0.07.5106 Nuclear and Plasma Physics (for-2020)5107 Particle and High Energy Physics (for-2020)51 Physical Sciences (for-2020)hep-exhep-exapplication/pdfCC-BYeScholarship, University of Californiahttps://escholarship.org/uc/item/43z9102chttps://escholarship.org/content/qt43z9102c/qt43z9102c.pdfinfo:doi/10.1103/physrevd.90.112006articlePhysical Review D, vol 90, iss 11112006oai:escholarship.org:ark:/13030/qt92s8348k2026-04-04T09:21:48Zqt92s8348kSearch for the Standard Model Higgs boson decay to μ+μ− with the ATLAS detectorCollaboration, ATLASAad, GAbbott, BAbdallah, JKhalek, S AbdelAbdinov, OAben, RAbi, BAbolins, MAbouZeid, OSAbramowicz, HAbreu, HAbreu, RAbulaiti, YAcharya, BSAdamczyk, LAdams, DLAdelman, JAdomeit, SAdye, TAgatonovic-Jovin, TAguilar-Saavedra, JAAgustoni, MAhlen, SPAhmadov, FAielli, GAkerstedt, HÅkesson, TPAAkimoto, GAkimov, AVAlberghi, GLAlbert, JAlbrand, SVerzini, MJ AlconadaAleksa, MAleksandrov, INAlexa, CAlexander, GAlexandre, GAlexopoulos, TAlhroob, MAlimonti, GAlio, LAlison, JAllbrooke, BMMAllison, LJAllport, PPAlmond, JAloisio, AAlonso, AAlonso, FAlpigiani, CAltheimer, AGonzalez, B AlvarezAlviggi, MGAmako, KCoutinho, Y AmaralAmelung, CAmidei, DDos Santos, SP AmorAmorim, AAmoroso, SAmram, NAmundsen, GAnastopoulos, CAncu, LSAndari, NAndeen, TAnders, CFAnders, GAnderson, KJAndreazza, AAndrei, VAnduaga, XSAngelidakis, SAngelozzi, IAnger, PAngerami, AAnghinolfi, FAnisenkov, AVAnjos, NAnnovi, AAntonaki, AAntonelli, MAntonov, AAntos, JAnulli, FAoki, MBella, L AperioApolle, RArabidze, GAracena, IArai, YAraque, JPArce, ATHArguin, J-FArgyropoulos, SArik, MArmbruster, AJArnaez, O2014-11-01A search is reported for Higgs boson decay to μ+μ− using data with an integrated luminosity of 24.8 fb−1collected with the ATLAS detector in pp collisions at s=7and8 TeV at the CERN Large Hadron Collider. The observed dimuon invariant mass distribution is consistent with the Standard Model background-only hypothesis in the 120–150 GeV search range. For a Higgs boson with a mass of 125.5 GeV, the observed (expected) upper limit at the 95% confidence level is 7.0 (7.2) times the Standard Model expectation. This corresponds to an upper limit on the branching ratio BR(H→μ+μ−) of 1.5×10−3.5106 Nuclear and Plasma Physics (for-2020)5107 Particle and High Energy Physics (for-2020)51 Physical Sciences (for-2020)hep-exhep-ex0105 Mathematical Physics (for)0201 Astronomical and Space Sciences (for)0202 AtomicMolecularNuclearParticle and Plasma Physics (for)Nuclear & Particles Physics (science-metrix)49 Mathematical sciences (for-2020)51 Physical sciences (for-2020)application/pdfCC-BYeScholarship, University of Californiahttps://escholarship.org/uc/item/92s8348khttps://escholarship.org/content/qt92s8348k/qt92s8348k.pdfinfo:doi/10.1016/j.physletb.2014.09.008articlePhysics Letters B, vol 738, iss 168 - 86oai:escholarship.org:ark:/13030/qt68k7v41s2026-04-04T09:21:38Zqt68k7v41sSearch for direct pair production of the top squark in all-hadronic final states in proton-proton collisions at s = 8 TeV with the ATLAS detectorThe ATLAS collaborationAad, GAbbott, BAbdallah, JAbdel Khalek, SAbdinov, OAben, RAbi, BAbolins, MAbouZeid, OSAbramowicz, HAbreu, HAbreu, RAbulaiti, YAcharya, BSAdamczyk, LAdams, DLAdelman, JAdomeit, SAdye, TAgatonovic-Jovin, TAguilar-Saavedra, JAAgustoni, MAhlen, SPAhmadov, FAielli, GAkerstedt, HÅkesson, TPAAkimoto, GAkimov, AVAlberghi, GLAlbert, JAlbrand, SAlconada Verzini, MJAleksa, MAleksandrov, INAlexa, CAlexander, GAlexandre, GAlexopoulos, TAlhroob, MAlimonti, GAlio, LAlison, JAllbrooke, BMMAllison, LJAllport, PPAlmond, JAloisio, AAlonso, AAlonso, FAlpigiani, CAltheimer, AGonzalez, B AlvarezAlviggi, MGAmako, KAmaral Coutinho, YAmelung, CAmidei, DAmor Dos Santos, SPAmorim, AAmoroso, SAmram, NAmundsen, GAnastopoulos, CAncu, LSAndari, NAndeen, TAnders, CFAnders, GAnderson, KJAndreazza, AAndrei, VAnduaga, XSAngelidakis, SAngelozzi, IAnger, PAngerami, AAnghinolfi, FAnisenkov, AVAnjos, NAnnovi, AAntonaki, AAntonelli, MAntonov, AAntos, JAnulli, FAoki, MBella, L AperioApolle, RArabidze, GAracena, IArai, YAraque, JPArce, ATHArguin, J-FArgyropoulos, SArik, MArmbruster, AJArnaez, O2014-09-01The results of a search for direct pair production of the scalar partner to the top quark using an integrated luminosity of 20.1 fb-1 of proton-proton collision data at yfs = 8 TeV recorded with the ATLAS detector at the LHC are reported. The top squark is assumed to decay via t → t χ¯01 or t → b χ1 → bW(*)χ- 0 1, where χ- 0 1 (x1) denotes the lightest neutralino (chargino) in supersymmetric models. The search targets a fully-hadronic final state in events with four or more jets and large missing transverse momentum. No significant excess over the Standard Model background prediction is observed, and exclusion limits are reported in terms of the top squark and neutralino masses and as a function of the branching fraction of t → t χ-0 1. For a branching fraction of 100%, top squark masses in the range 270-645 GeV are excluded for χ-0 1 masses below 30GeV. For a branching fraction of 50% to either t → t χ-0 1 or t → b χ-0 1, and assuming the χ¯1 mass to be twice the χ-0 1 mass, top squark masses in the range 250-550 GeV are excluded for χ-0 1 masses below 60 GeV.5106 Nuclear and Plasma Physics (for-2020)5107 Particle and High Energy Physics (for-2020)4902 Mathematical Physics (for-2020)49 Mathematical Sciences (for-2020)51 Physical Sciences (for-2020)Hadron-Hadron ScatteringSupersymmetryTop squarkProton-proton scatteringhep-exhep-ex0105 Mathematical Physics (for)0202 AtomicMolecularNuclearParticle and Plasma Physics (for)0206 Quantum Physics (for)Nuclear & Particles Physics (science-metrix)4902 Mathematical physics (for-2020)5106 Nuclear and plasma physics (for-2020)5107 Particle and high energy physics (for-2020)application/pdfCC-BYeScholarship, University of Californiahttps://escholarship.org/uc/item/68k7v41shttps://escholarship.org/content/qt68k7v41s/qt68k7v41s.pdfinfo:doi/10.1007/jhep09(2014)015articleJournal of High Energy Physics, vol 2014, iss 915oai:escholarship.org:ark:/13030/qt4jn4q0192026-04-04T09:18:29Zqt4jn4q019Search for new particles in events with one lepton and missing transverse momentum in pp collisions at s = 8 TeV with the ATLAS detectorThe ATLAS collaborationAad, GAbbott, BAbdallah, JKhalek, S AbdelAbdinov, OAben, RAbi, BAbolins, MAbouZeid, OSAbramowicz, HAbreu, HAbreu, RAbulaiti, YAcharya, BSAdamczyk, LAdams, DLAdelman, JAdomeit, SAdye, TAgatonovic-Jovin, TAguilar-Saavedra, JAAgustoni, MAhlen, SPAhmadov, FAielli, GAkerstedt, HÅkesson, TPAAkimoto, GAkimov, AVAlberghi, GLAlbert, JAlbrand, SVerzini, MJ AlconadaAleksa, MAleksandrov, INAlexa, CAlexander, GAlexandre, GAlexopoulos, TAlhroob, MAlimonti, GAlio, LAlison, JAllbrooke, BMMAllison, LJAllport, PPAlmond, JAloisio, AAlonso, AAlonso, FAlpigiani, CAltheimer, AGonzalez, B AlvarezAlviggi, MGAmako, KCoutinho, Y AmaralAmelung, CAmidei, DSantos, SP Amor DosAmorim, AAmoroso, SAmram, NAmundsen, GAnastopoulos, CAncu, LSAndari, NAndeen, TAnders, CFAnders, GAnderson, KJAndreazza, AAndrei, VAnduaga, XSAngelidakis, SAngelozzi, IAnger, PAngerami, AAnghinolfi, FAnisenkov, AVAnjos, NAnnovi, AAntonaki, AAntonelli, MAntonov, AAntos, JAnulli, FAoki, MBella, L AperioApolle, RArabidze, GAracena, IArai, YAraque, JPArce, ATHArguin, J-FArgyropoulos, SArik, MArmbruster, AJArnaez, O2014-09-01This paper presents a search for new particles in events with one lepton (electron or muon) and missing transverse momentum using 20.3 fb−1 of proton-proton collision data at s$$ \sqrt{s} $$ = 8 TeV recorded by the ATLAS experiment at the Large Hadron Collider. No significant excess beyond Standard Model expectations is observed. A W ′ with Sequential Standard Model couplings is excluded at the 95% confidence level for masses up to 3.24 TeV. Excited chiral bosons (W*) with equivalent coupling strengths are excluded for masses up to 3.21 TeV. In the framework of an effective field theory limits are also set on the dark matter-nucleon scattering cross-section as well as the mass scale M* of the unknown mediating interaction for dark matter pair production in association with a leptonically decaying W.5106 Nuclear and Plasma Physics (for-2020)5107 Particle and High Energy Physics (for-2020)51 Physical Sciences (for-2020)Hadron-Hadron ScatteringBeyond Standard Modelhep-exhep-ex0105 Mathematical Physics (for)0202 AtomicMolecularNuclearParticle and Plasma Physics (for)0206 Quantum Physics (for)Nuclear & Particles Physics (science-metrix)4902 Mathematical physics (for-2020)5106 Nuclear and plasma physics (for-2020)5107 Particle and high energy physics (for-2020)application/pdfCC-BYeScholarship, University of Californiahttps://escholarship.org/uc/item/4jn4q019https://escholarship.org/content/qt4jn4q019/qt4jn4q019.pdfinfo:doi/10.1007/jhep09(2014)037articleJournal of High Energy Physics, vol 2014, iss 937oai:escholarship.org:ark:/13030/qt6z60f62r2026-04-04T09:18:18Zqt6z60f62rSearch for new resonances in Wγ and Zγ final states in pp collisions at s=8 TeV with the ATLAS detectorCollaboration, ATLASAad, GAbbott, BAbdallah, JKhalek, S AbdelAbdinov, OAben, RAbi, BAbolins, MAbouZeid, OSAbramowicz, HAbreu, HAbreu, RAbulaiti, YAcharya, BSAdamczyk, LAdams, DLAdelman, JAdomeit, SAdye, TAgatonovic-Jovin, TAguilar-Saavedra, JAAgustoni, MAhlen, SPAhmadov, FAielli, GAkerstedt, HÅkesson, TPAAkimoto, GAkimov, AVAlberghi, GLAlbert, JAlbrand, SVerzini, MJ AlconadaAleksa, MAleksandrov, INAlexa, CAlexander, GAlexandre, GAlexopoulos, TAlhroob, MAlimonti, GAlio, LAlison, JAllbrooke, BMMAllison, LJAllport, PPAlmond, JAloisio, AAlonso, AAlonso, FAlpigiani, CAltheimer, AGonzalez, B AlvarezAlviggi, MGAmako, KCoutinho, Y AmaralAmelung, CAmidei, DDos Santos, SP AmorAmorim, AAmoroso, SAmram, NAmundsen, GAnastopoulos, CAncu, LSAndari, NAndeen, TAnders, CFAnders, GAnderson, KJAndreazza, AAndrei, VAnduaga, XSAngelidakis, SAngelozzi, IAnger, PAngerami, AAnghinolfi, FAnisenkov, AVAnjos, NAnnovi, AAntonaki, AAntonelli, MAntonov, AAntos, JAnulli, FAoki, MBella, L AperioApolle, RArabidze, GAracena, IArai, YAraque, JPArce, ATHArguin, J-FArgyropoulos, SArik, MArmbruster, AJArnaez, O2014-11-01This Letter presents a search for new resonances decaying to final states with a vector boson produced in association with a high transverse momentum photon, Vγ, with V=W(→ℓν) or Z(→ℓ+ℓ−), where ℓ=e or μ. The measurements use 20.3 fb−1 of proton–proton collision data at a center-of-mass energy of s=8 TeV recorded with the ATLAS detector. No deviations from the Standard Model expectations are found, and production cross section limits are set at 95% confidence level. Masses of the hypothetical aT and ωT states of a benchmark Low Scale Technicolor model are excluded in the ranges [275,960] GeV and [200,700]∪[750,890] GeV, respectively. Limits at 95% confidence level on the production cross section of a singlet scalar resonance decaying to Zγ final states have also been obtained for masses below 1180 GeV.5106 Nuclear and Plasma Physics (for-2020)5107 Particle and High Energy Physics (for-2020)51 Physical Sciences (for-2020)hep-exhep-ex0105 Mathematical Physics (for)0201 Astronomical and Space Sciences (for)0202 AtomicMolecularNuclearParticle and Plasma Physics (for)Nuclear & Particles Physics (science-metrix)49 Mathematical sciences (for-2020)51 Physical sciences (for-2020)application/pdfCC-BYeScholarship, University of Californiahttps://escholarship.org/uc/item/6z60f62rhttps://escholarship.org/content/qt6z60f62r/qt6z60f62r.pdfinfo:doi/10.1016/j.physletb.2014.10.002articlePhysics Letters B, vol 738428 - 447oai:escholarship.org:ark:/13030/qt6wv826vn2026-04-04T09:17:57Zqt6wv826vnSearch for direct production of charginos and neutralinos in events with three leptons and missing transverse momentum in = 8 TeV pp collisions with the ATLAS detectorThe ATLAS collaborationAad, GAbajyan, TAbbott, BAbdallah, JKhalek, S AbdelAbdinov, OAben, RAbi, BAbolins, MAbouZeid, OSAbramowicz, HAbreu, HAbulaiti, YAcharya, BSAdamczyk, LAdams, DLAdelman, JAdomeit, SAdye, TAgatonovic-Jovin, TAguilar-Saavedra, JAAgustoni, MAhlen, SPAhmad, AAhmadov, FAielli, GÅkesson, TPAAkimoto, GAkimov, AVAlbert, JAlbrand, SVerzini, MJ AlconadaAleksa, MAleksandrov, INAlexa, CAlexander, GAlexandre, GAlexopoulos, TAlhroob, MAlimonti, GAlio, LAlison, JAllbrooke, BMMAllison, LJAllport, PPAllwood-Spiers, SEAlmond, JAloisio, AAlon, RAlonso, AAlonso, FAlpigiani, CAltheimer, AGonzalez, B AlvarezAlviggi, MGAmako, KCoutinho, Y AmaralAmelung, CAmidei, DAmmosov, VVSantos, SP Amor DosAmorim, AAmoroso, SAmram, NAmundsen, GAnastopoulos, CAncu, LSAndari, NAndeen, TAnders, CFAnders, GAnderson, KJAndreazza, AAndrei, VAnduaga, XSAngelidakis, SAnger, PAngerami, AAnghinolfi, FAnisenkov, AVAnjos, NAnnovi, AAntonaki, AAntonelli, MAntonov, AAntos, JAnulli, FAoki, MBella, L AperioApolle, RArabidze, GAracena, IArai, YAraque, JPArce, ATHArguin, J-FArgyropoulos, SArik, MArmbruster, AJ2014-04-01A search for the direct production of charginos and neutralinos in final states with three leptons and missing transverse momentum is presented. The analysis is based on 20.3 fb-1 of vs = 8TeV proton-proton collision data delivered by the Large Hadron Collider and recorded with the ATLAS detector. Observations are consistent with the Standard Model expectations and limits are set in R-parity-conserving phenomenological Minimal Supersymmetric Standard Models and in simplified supersymmetric models, significantly extending previous results. For simplified supersymmetric models of direct chargino (∼X±1) and next-to-lightest neutralino (X∼0 2) production with decays to lightest neutralino (∼X0 1) via either all three generations of sleptons, staus only, gauge bosons, or Higgs bosons, ∼X± 1 and ∼X0 2 masses are excluded up to 700GeV, 380GeV, 345GeV, or 148GeV respectively, for a massless ∼X0 1.5106 Nuclear and Plasma Physics (for-2020)5107 Particle and High Energy Physics (for-2020)51 Physical Sciences (for-2020)Hadron-Hadron Scatteringhep-exhep-ex0105 Mathematical Physics (for)0202 AtomicMolecularNuclearParticle and Plasma Physics (for)0206 Quantum Physics (for)Nuclear & Particles Physics (science-metrix)4902 Mathematical physics (for-2020)5106 Nuclear and plasma physics (for-2020)5107 Particle and high energy physics (for-2020)application/pdfCC-BYeScholarship, University of Californiahttps://escholarship.org/uc/item/6wv826vnhttps://escholarship.org/content/qt6wv826vn/qt6wv826vn.pdfinfo:doi/10.1007/jhep04(2014)169articleJournal of High Energy Physics, vol 2014, iss 4169oai:escholarship.org:ark:/13030/qt2db2p1k72026-04-04T09:17:46Zqt2db2p1k7The ENIGMA Consortium: large-scale collaborative analyses of neuroimaging and genetic dataThompson, Paul MStein, Jason LMedland, Sarah EHibar, Derrek PVasquez, Alejandro AriasRenteria, Miguel EToro, RobertoJahanshad, NedaSchumann, GunterFranke, BarbaraWright, Margaret JMartin, Nicholas GAgartz, IngridAlda, MartinAlhusaini, SaudAlmasy, LauraAlmeida, JorgeAlpert, KathrynAndreasen, Nancy CAndreassen, Ole AApostolova, Liana GAppel, KatjaArmstrong, Nicola JAribisala, BenjaminBastin, Mark EBauer, MichaelBearden, Carrie EBergmann, ØrjanBinder, Elisabeth BBlangero, JohnBockholt, Henry JBøen, ErlendBois, CatherineBoomsma, Dorret IBooth, TomBowman, Ian JBralten, JanitaBrouwer, Rachel MBrunner, Han GBrohawn, David GBuckner, Randy LBuitelaar, JanBulayeva, KazimaBustillo, Juan RCalhoun, Vince DCannon, Dara MCantor, Rita MCarless, Melanie ACaseras, XavierCavalleri, Gianpiero LChakravarty, M MallarChang, Kiki DChing, Christopher RKChristoforou, AndreaCichon, SvenClark, Vincent PConrod, PatriciaCoppola, GiovanniCrespo-Facorro, BenedictoCurran, Joanne ECzisch, MichaelDeary, Ian Jde Geus, Eco JCden Braber, AnoukDelvecchio, GiuseppeDepondt, Chantalde Haan, Lieuwede Zubicaray, Greig IDima, DanaiDimitrova, RaliDjurovic, SrdjanDong, HongweiDonohoe, GaryDuggirala, RavindranathDyer, Thomas DEhrlich, StefanEkman, Carl JohanElvsåshagen, TorbjørnEmsell, LouiseErk, SusanneEspeseth, ThomasFagerness, JesenFears, ScottFedko, IrynaFernández, GuillénFisher, Simon EForoud, TatianaFox, Peter TFrancks, ClydeFrangou, SophiaFrey, Eva MariaFrodl, ThomasFrouin, VincentGaravan, HughGiddaluru, SudheerGlahn, David CGodlewska, BeataGoldstein, Rita ZGollub, Randy LGrabe, Hans J2014-06-01The Enhancing NeuroImaging Genetics through Meta-Analysis (ENIGMA) Consortium is a collaborative network of researchers working together on a range of large-scale studies that integrate data from 70 institutions worldwide. Organized into Working Groups that tackle questions in neuroscience, genetics, and medicine, ENIGMA studies have analyzed neuroimaging data from over 12,826 subjects. In addition, data from 12,171 individuals were provided by the CHARGE consortium for replication of findings, in a total of 24,997 subjects. By meta-analyzing results from many sites, ENIGMA has detected factors that affect the brain that no individual site could detect on its own, and that require larger numbers of subjects than any individual neuroimaging study has currently collected. ENIGMA’s first project was a genome-wide association study identifying common variants in the genome associated with hippocampal volume or intracranial volume. Continuing work is exploring genetic associations with subcortical volumes (ENIGMA2) and white matter microstructure (ENIGMA-DTI). Working groups also focus on understanding how schizophrenia, bipolar illness, major depression and attention deficit/hyperactivity disorder (ADHD) affect the brain. We review the current progress of the ENIGMA Consortium, along with challenges and unexpected discoveries made on the way.5202 Biological Psychology (for-2020)42 Health Sciences (for-2020)52 Psychology (for-2020)Human Genome (rcdc)Genetics (rcdc)Biomedical Imaging (rcdc)Serious Mental Illness (rcdc)Schizophrenia (rcdc)Neurosciences (rcdc)Mental Illness (rcdc)Depression (rcdc)Mental Health (rcdc)Brain Disorders (rcdc)2.1 Biological and endogenous factors (hrcs-rac)Mental health (hrcs-hc)Neurological (hrcs-hc)3 Good Health and Well Being (sdg)Brain Mapping (mesh)Cooperative Behavior (mesh)Genome-Wide Association Study (mesh)Humans (mesh)Meta-Analysis as Topic (mesh)Neuroimaging (mesh)GeneticsMRIGWASConsortiumMeta-analysisMulti-siteAlzheimer’s Disease Neuroimaging InitiativeEPIGEN ConsortiumIMAGEN ConsortiumSaguenay Youth Study (SYS) GroupHumans (mesh)Brain Mapping (mesh)Cooperative Behavior (mesh)Meta-Analysis as Topic (mesh)Genome-Wide Association Study (mesh)Neuroimaging (mesh)Brain Mapping (mesh)Cooperative Behavior (mesh)Genome-Wide Association Study (mesh)Humans (mesh)Meta-Analysis as Topic (mesh)Neuroimaging (mesh)11 Medical and Health Sciences (for)17 Psychology and Cognitive Sciences (for)Experimental Psychology (science-metrix)32 Biomedical and clinical sciences (for-2020)42 Health sciences (for-2020)52 Psychology (for-2020)application/pdfCC-BYeScholarship, University of Californiahttps://escholarship.org/uc/item/2db2p1k7https://escholarship.org/content/qt2db2p1k7/qt2db2p1k7.pdfinfo:doi/10.1007/s11682-013-9269-5articleBrain Imaging and Behavior, vol 8, iss 2153 - 182oai:escholarship.org:ark:/13030/qt0zd6k1vs2026-04-04T09:11:30Zqt0zd6k1vsMicropatterning Photoconductive Peptide Assemblies on Stiff and Soft Biomaterial SubstratesLundqvist, Emil MLee, Kathryn KLe, LanieNguyen, KrystalLim, SujeungCelt, NatalieKuang, YuyaoYao, Ze-FanWu, HaotianTang, Sheng WeiPei, JianArdoña, Herdeline Ann M2025-06-04The propagation of electrical signals in the human heart relies on organized conduction pathways to optimally function and pump blood into the rest of the body. Mimicking this directionality across interconnected myocytes in vitro is currently achieved by patterning the cells themselves, which are often subjected to external stimulatory cues that are rarely localized or have controlled anisotropy. Here, we demonstrate an approach to interface micropatterned optoelectronic peptides with cardiomyocytes, whereby the engineered biomolecular structures dictate the organization of cells in a substrate, while also presenting photocurrent-generating electrodes of defined microscale geometries. To this end, we utilized surface modification strategies that allowed for the creation of stable micropatterns of quaterthiophene-bearing peptide assemblies on both glass (∼GPa range) and gelatin hydrogel (∼20 kPa) substrates that last for multiple days within an aqueous environment. The pH-sensitive assembly behavior of π-conjugated peptides was also investigated as to how it evolves at various stages of the patterning process and impacts material scattering once they are imprinted on different substrates. Neonatal rat ventricular myocytes (NRVMs) seeded on gelatin scaffolds that had been interfaced with π-conjugated peptide micropatterns saw improvements to their orientational order parameter (OOP) of both the actin cytoskeleton and z-lines, which were not observed for those cultured on isotropic controls or on microgrooved gelatin samples. Additionally, the micropatterned π-conjugated peptide platform was shown to exhibit photocurrent-generating properties on both gelatin and glass substrates in aqueous cell culture environments. The peptide-based platform discussed here provides a potential approach to confine conductive biomaterials within microscale features in vitro while simultaneously providing an avenue for light-based localized stimulation of electroactive tissues.3403 Macromolecular and Materials Chemistry (for-2020)40 Engineering (for-2020)34 Chemical Sciences (for-2020)4003 Biomedical Engineering (for-2020)Biotechnology (rcdc)Bioengineering (rcdc)Animals (mesh)Peptides (mesh)Rats (mesh)MyocytesCardiac (mesh)Biocompatible Materials (mesh)Gelatin (mesh)Hydrogels (mesh)CellsCultured (mesh)Tissue Scaffolds (mesh)photoconductive materialspeptidesbiomaterialscardiac tissue engineeringpatterningCellsCultured (mesh)MyocytesCardiac (mesh)Animals (mesh)Rats (mesh)Peptides (mesh)Gelatin (mesh)Biocompatible Materials (mesh)Hydrogels (mesh)Tissue Scaffolds (mesh)biomaterialscardiac tissue engineeringpatterningpeptidesphotoconductive materialsAnimals (mesh)Peptides (mesh)Rats (mesh)MyocytesCardiac (mesh)Biocompatible Materials (mesh)Gelatin (mesh)Hydrogels (mesh)CellsCultured (mesh)Tissue Scaffolds (mesh)03 Chemical Sciences (for)09 Engineering (for)Nanoscience & Nanotechnology (science-metrix)34 Chemical sciences (for-2020)40 Engineering (for-2020)51 Physical sciences (for-2020)application/pdfCC-BYeScholarship, University of Californiahttps://escholarship.org/uc/item/0zd6k1vshttps://escholarship.org/content/qt0zd6k1vs/qt0zd6k1vs.pdfinfo:doi/10.1021/acsami.5c05693articleACS Applied Materials & Interfaces, vol 17, iss 2231982 - 31992oai:escholarship.org:ark:/13030/qt59s3224z2026-04-04T09:06:53Zqt59s3224zRegulatory Dynamics of Midfacial Growth in Evolution and DiseaseSelleri, LiciaWelsh, IanHansen, KarissaOsterwalder, MarcoLosa-Llabata, MartaWells, JulieBult, CarolMohun, TimothyHu, DianeMarcucio, RalphVisel, AxelSwigut, Tomek2020-04-01Craniofacial morphogenesis demands coordinated outgrowth of spatially‐separated facial prominences. Underscoring this complex choreography, 1/3 of all human birth defects affect craniofacial development. Both orofacial clefting and malocclusions are common birth abnormalities that affect the midface. During midfacial development, regulatory genes control the dynamics of transcriptional activity, tissue patterning, and intercellular signaling to modulate the timing of morphogenetic and growth processes. Variation in these dynamics underlies both evolutionary divergence in midfacial outgrowth and the etiology of craniofacial birth defects. In non‐avians, the main variable driving species‐specific midfacial length is the maxilla of the upper jaw, while in avians it is the premaxilla. Also, avians have cleft palate in physiological conditions. Despite the availability of datasets of regulatory elements from craniofacial tissues and cranial neural crest cells, the majority of regulatory networks that control embryonic midfacial outgrowth are unknown with respect to their in vivo spatiotemporal context‐dependence. We are establishing regulatory landscapes that control different morphogenetic and outgrowth characteristics of midfacial elements at the organismal level in chick, mouse, and pig embryos, species characterized by remarkably different midfacial lengths. To this end, we are combining 3D gene expression profiles obtained via High Resolution Episcopic Microscopy (HREM) of embryos processed by whole mount in situ hybridization as well as genome‐wide transcriptional regulatory activity and epigenetic regulation assessed by RNA Seq, ATAC‐Seq, and chromatin mark ChIP‐Seq of embryonic midfacial anlagen. By this approach, we have identified candidate genes that regulate maxillary‐specific morphogenetic programs in avians versus mammals. One of these genes, which encodes a transcription factor (TF) bearing zinc finger motifs and a homeobox motif, is expressed meristically along the AP palatal shelf of mouse embryos at E11.5–14.5, but is not expressed in the palatal shelves of avian embryos at the corresponding developmental stages. Mice we generated with CRISPR/Cas‐mediated loss‐of‐function of this TF show cleft palate and stunted snout. Strikingly, children with a deletion of this TF exhibit high‐arched palate and cleft palate. These findings establish mechanisms underlying tolerance to morphological variation that separate normal development and evolution of craniofacial features from malformations associated with birth defects. Support or Funding Information UCSF Recruitment Funds31 Biological Sciences (for-2020)32 Biomedical and Clinical Sciences (for-2020)3203 Dentistry (for-2020)Pediatric Research Initiative (rcdc)Dental/Oral and Craniofacial Disease (rcdc)Genetics (rcdc)Congenital Structural Anomalies (rcdc)Human Genome (rcdc)1.1 Normal biological development and functioning (hrcs-rac)Generic health relevance (hrcs-hc)Congenital (hrcs-hc)0601 Biochemistry and Cell Biology (for)0606 Physiology (for)1116 Medical Physiology (for)Biochemistry & Molecular Biology (science-metrix)3101 Biochemistry and cell biology (for-2020)3208 Medical physiology (for-2020)publiceScholarship, University of Californiahttps://escholarship.org/uc/item/59s3224zinfo:doi/10.1096/fasebj.2020.34.s1.00404articleThe FASEB Journal, vol 34, iss S11 - 1oai:escholarship.org:ark:/13030/qt2hd812gj2026-04-04T09:06:40Zqt2hd812gjCharacteristic patterns of inter- and intra-hemispheric metabolic connectivity in patients with stable and progressive mild cognitive impairment and Alzheimer’s diseaseHuang, Sheng-YaoHsu, Jung-LungLin, Kun-JuLiu, Ho-LingWey, Shiaw-PyingHsiao, Ing-TsungFor the Alzheimer’s Disease Neuroimaging Initiative2018-01-01The change in hypometabolism affects the regional links in the brain network. Here, to understand the underlying brain metabolic network deficits during the early stage and disease evolution of AD (Alzheimer disease), we applied correlation analysis to identify the metabolic connectivity patterns using 18F-FDG PET data for NC (normal control), sMCI (stable MCI), pMCI (progressive MCI) and AD, and explore the inter- and intra-hemispheric connectivity between anatomically-defined brain regions. Regions extracted from 90 anatomical structures were used to construct the matrix for measuring the inter- and intra-hemispheric connectivity. The brain connectivity patterns from the metabolic network show a decreasing trend of inter- and intra-hemispheric connections for NC, sMCI, pMCI and AD. Connection of temporal to the frontal or occipital regions is a characteristic pattern for conversion of NC to MCI, and the density of links in the parietal-occipital network is a differential pattern between sMCI and pMCI. The reduction pattern of inter and intra-hemispheric brain connectivity in the metabolic network depends on the disease stages, and is with a decreasing trend with respect to disease severity. Both frontal-occipital and parietal-occipital connectivity patterns in the metabolic network using 18F-FDG PET are the key feature for differentiating disease groups in AD.5202 Biological Psychology (for-2020)31 Biological Sciences (for-2020)52 Psychology (for-2020)Dementia (rcdc)Alzheimer's Disease including Alzheimer's Disease Related Dementias (AD/ADRD) (rcdc)Neurosciences (rcdc)Acquired Cognitive Impairment (rcdc)Neurodegenerative (rcdc)Aging (rcdc)Biomedical Imaging (rcdc)Clinical Research (rcdc)Alzheimer's Disease (rcdc)Brain Disorders (rcdc)2.1 Biological and endogenous factors (hrcs-rac)4.1 Discovery and preclinical testing of markers and technologies (hrcs-rac)Neurological (hrcs-hc)Aged (mesh)Alzheimer Disease (mesh)Brain (mesh)Cognitive Dysfunction (mesh)Connectome (mesh)Disease Progression (mesh)Female (mesh)Fluorodeoxyglucose F18 (mesh)Humans (mesh)Magnetic Resonance Imaging (mesh)Male (mesh)Middle Aged (mesh)Nerve Net (mesh)Positron-Emission Tomography (mesh)Alzheimer’s Disease Neuroimaging InitiativeBrain (mesh)Nerve Net (mesh)Humans (mesh)Alzheimer Disease (mesh)Disease Progression (mesh)Fluorodeoxyglucose F18 (mesh)Positron-Emission Tomography (mesh)Magnetic Resonance Imaging (mesh)Aged (mesh)Middle Aged (mesh)Female (mesh)Male (mesh)Connectome (mesh)Cognitive Dysfunction (mesh)Aged (mesh)Alzheimer Disease (mesh)Brain (mesh)Cognitive Dysfunction (mesh)Connectome (mesh)Disease Progression (mesh)Female (mesh)Fluorodeoxyglucose F18 (mesh)Humans (mesh)Magnetic Resonance Imaging (mesh)Male (mesh)Middle Aged (mesh)Nerve Net (mesh)Positron-Emission Tomography (mesh)application/pdfCC-BYeScholarship, University of Californiahttps://escholarship.org/uc/item/2hd812gjhttps://escholarship.org/content/qt2hd812gj/qt2hd812gj.pdfinfo:doi/10.1038/s41598-018-31794-8articleScientific Reports, vol 8, iss 113807oai:escholarship.org:ark:/13030/qt9mk4z18s2026-04-04T08:59:23Zqt9mk4z18sSexual partnership concurrency and age disparities associated with sexually transmitted infection and risk behavior in rural communities in Kenya and UgandaOkiring, JafferGetahun, MonicaGutin, Sarah ALebu, SarahLee, JoiMaeri, IreneEyul, PatrickBukusi, Elizabeth ACohen, Craig RNeilands, Torsten BSsali, SarahCharlebois, Edwin DCamlin, Carol S2022-07-01OBJECTIVES: We examined sex-specific associations of partner age disparity and relationship concurrency with Neisseria gonorrhoeae and/or Chlamydia trachomatis (NG/CT) infection, higher-risk relationships, and condom use as proxies for HIV risk.
METHODS: Data were collected in 2016 from 2179 adults in 12 communities in Uganda and Kenya. Logistic regression models examined associations of age disparity and relationship concurrency with NG/CT infection, condom use, and higher-risk (commercial sex and other higher-risk) relationships in the past 6 months, controlling for covariates.
RESULTS: Partner age and relationship concurrency were associated with NG/CT infection in women but not men. Relative to women in age-disparate relationships, women in both age-disparate and age-homogeneous relationships had higher odds of NG/CT infection (adjusted odds ratio [aOR]=3.82, 95% confidence interval [CI]: 1.46-9.98). Among men and women, partnership concurrency was associated with higher-risk partnerships. In addition, relative to those with a single age-homogeneous partner, those with concurrent age-homogeneous partners had higher odds of condom use (men: aOR=2.85, 95% CI: 1.89-4.31; women: aOR=2.99, 95% CI: 1.52-5.89). Concurrent age-disparate partnerships were associated with condom use among men only (aOR=4.02, 95% CI: 2.54-6.37).
CONCLUSION: Findings underscore the importance of targeted HIV prevention efforts for couples in age-disparate and concurrent relationships.4206 Public Health (for-2020)32 Biomedical and Clinical Sciences (for-2020)3202 Clinical Sciences (for-2020)42 Health Sciences (for-2020)Prevention (rcdc)Infectious Diseases (rcdc)Contraception/Reproduction (rcdc)Women's Health (rcdc)Urologic Diseases (rcdc)Sexually Transmitted Infections (rcdc)Clinical Research (rcdc)Health Disparities and Racial or Ethnic Minority Health Research (rcdc)Health Disparities (rcdc)HIV/AIDS (rcdc)Behavioral and Social Science (rcdc)2.2 Factors relating to the physical environment (hrcs-rac)Infection (hrcs-hc)3 Good Health and Well Being (sdg)Adult (mesh)Female (mesh)HIV Infections (mesh)Humans (mesh)Kenya (mesh)Male (mesh)Risk Factors (mesh)Risk-Taking (mesh)Rural Population (mesh)Sex Work (mesh)Sexual Behavior (mesh)Sexual Partners (mesh)Sexually Transmitted Diseases (mesh)Uganda (mesh)Age disparitySexual riskSTIsConcurrencyPopulation mobilitySub-Saharan AfricaHumans (mesh)Sexually Transmitted Diseases (mesh)HIV Infections (mesh)Risk Factors (mesh)Risk-Taking (mesh)Sexual Behavior (mesh)Adult (mesh)Sexual Partners (mesh)Rural Population (mesh)Kenya (mesh)Uganda (mesh)Female (mesh)Male (mesh)Sex Work (mesh)Age disparityConcurrencyPopulation mobilitySTIsSexual riskSub-Saharan AfricaAdult (mesh)Female (mesh)HIV Infections (mesh)Humans (mesh)Kenya (mesh)Male (mesh)Risk Factors (mesh)Risk-Taking (mesh)Rural Population (mesh)Sex Work (mesh)Sexual Behavior (mesh)Sexual Partners (mesh)Sexually Transmitted Diseases (mesh)Uganda (mesh)0605 Microbiology (for)1108 Medical Microbiology (for)1117 Public Health and Health Services (for)Microbiology (science-metrix)3202 Clinical sciences (for-2020)4202 Epidemiology (for-2020)4206 Public health (for-2020)application/pdfpubliceScholarship, University of Californiahttps://escholarship.org/uc/item/9mk4z18shttps://escholarship.org/content/qt9mk4z18s/qt9mk4z18s.pdfinfo:doi/10.1016/j.ijid.2022.04.038articleInternational Journal of Infectious Diseases, vol 120158 - 167oai:escholarship.org:ark:/13030/qt6dd6x9932026-04-04T08:55:50Zqt6dd6x993The 13th Data Release of the Sloan Digital Sky Survey: First Spectroscopic Data from the SDSS-IV Survey Mapping Nearby Galaxies at Apache Point ObservatoryAlbareti, Franco DPrieto, Carlos AllendeAlmeida, AndresAnders, FriedrichAnderson, ScottAndrews, Brett HAragón-Salamanca, AlfonsoArgudo-Fernández, MariaArmengaud, EricAubourg, EricAvila-Reese, VladimirBadenes, CarlesBailey, StephenBarbuy, BeatrizBarger, KatBarrera-Ballesteros, JorgeBartosz, CurtisBasu, SarbaniBates, DominicBattaglia, GiuseppinaBaumgarten, FalkBaur, JulienBautista, JulianBeers, Timothy CBelfiore, FrancescoBershady, Matthewde Lis, Sara BertranBird, Jonathan CBizyaev, DmitryBlanc, Guillermo ABlanton, MichaelBlomqvist, MichaelBolton, Adam SBorissova, JBovy, JoBrandt, William NielsenBrinkmann, JonathanBrownstein, Joel RBundy, KevinBurtin, EtienneBusca, Nicolás GChavez, Hugo Orlando CamachoDíaz, M CanoCappellari, MicheleCarrera, RicardoChen, YanpingCherinka, BrianCheung, EdmondChiappini, CristinaChojnowski, DrewChuang, Chia-HsunChung, HaeunCirolini, Rafael FernandoClerc, NicolasCohen, Roger EComerford, Julia MComparat, Johando Nascimento, Janaina CorreaCousinou, Marie-ClaudeCovey, KevinCrane, Jeffrey DCroft, RupertCunha, KatiaDarling, JeremyDavidson, James WDawson, KyleDa Costa, LuizDa Silva Ilha, GabrieleMachado, Alice DecontoDelubac, TimothéeDe Lee, NathanDe la Macorra, AxelDe la Torre, SylvainDiamond-Stanic, Aleksandar MDonor, JohnDownes, Juan JoseDrory, NivDu, ChengDu Mas des Bourboux, HélionDwelly, TomEbelke, GarrettEigenbrot, ArthurEisenstein, Daniel JElsworth, Yvonne PEmsellem, EricEracleous, MichaelEscoffier, StephanieEvans, Michael LFalcón-Barroso, JesúsFan, XiaohuiFavole, GinevraFernandez-Alvar, EmmaFernandez-Trincado, JGFeuillet, DianeFleming, Scott WFont-Ribera, AndreuFreischlad, GordonFrinchaboy, PeterFu, HaiGao, Yang2017-12-01The fourth generation of the Sloan Digital Sky Survey (SDSS-IV) began observations in 2014 July. It pursues three core programs: the Apache Point Observatory Galactic Evolution Experiment 2 (APOGEE-2), Mapping Nearby Galaxies at APO (MaNGA), and the Extended Baryon Oscillation Spectroscopic Survey (eBOSS). As well as its core program, eBOSS contains two major subprograms: the Time Domain Spectroscopic Survey (TDSS) and the SPectroscopic IDentification of ERosita Sources (SPIDERS). This paper describes the first data release from SDSS-IV, Data Release 13 (DR13). DR13 makes publicly available the first 1390 spatially resolved integral field unit observations of nearby galaxies from MaNGA. It includes new observations from eBOSS, completing the Sloan Extended QUasar, Emission-line galaxy, Luminous red galaxy Survey (SEQUELS), which also targeted variability-selected objects and X-ray-selected objects. DR13 includes new reductions of the SDSS-III BOSS data, improving the spectrophotometric calibration and redshift classification, and new reductions of the SDSS-III APOGEE-1 data, improving stellar parameters for dwarf stars and cooler stars. DR13 provides more robust and precise photometric calibrations. Value-added target catalogs relevant for eBOSS, TDSS, and SPIDERS and an updated red-clump catalog for APOGEE are also available. This paper describes the location and format of the data and provides references to important technical papers. The SDSS web site, http://www.sdss.org, provides links to the data, tutorials, examples of data access, and extensive documentation of the reduction and analysis procedures. DR13 is the first of a scheduled set that will contain new data and analyses from the planned ∼6 yr operations of SDSS-IV.5101 Astronomical Sciences (for-2020)51 Physical Sciences (for-2020)atlasescatalogssurveysastro-ph.GAastro-ph.GA0201 Astronomical and Space Sciences (for)0202 AtomicMolecularNuclearParticle and Plasma Physics (for)0306 Physical Chemistry (incl. Structural) (for)Astronomy & Astrophysics (science-metrix)5101 Astronomical sciences (for-2020)application/pdfpubliceScholarship, University of Californiahttps://escholarship.org/uc/item/6dd6x993https://escholarship.org/content/qt6dd6x993/qt6dd6x993.pdfinfo:doi/10.3847/1538-4365/aa8992articleThe Astrophysical Journal Supplement Series, vol 233, iss 225oai:escholarship.org:ark:/13030/qt9z79s20n2026-04-04T08:37:19Zqt9z79s20nQuantitative Image Analysis at Chronic Lung Allograft Dysfunction Onset Predicts MortalityWeigt, S SamuelKim, Grace-Hyun JJones, Heather DRamsey, Allison LAmubieya, OlawaleAbtin, FereidounPourzand, LilaLee, JiheyShino, Michael YDerHovanessian, ArissStripp, BarryNoble, Paul WSayah, David MSaggar, RajanBritton, IanLynch, Joseph PBelperio, John AGoldin, Jonathan2022-06-01BACKGROUND: Chronic lung allograft dysfunction (CLAD) phenotype determines prognosis and may have therapeutic implications. Despite the clarity achieved by recent consensus statement definitions, their reliance on radiologic interpretation introduces subjectivity. The Center for Computer Vision and Imaging Biomarkers at the University of California, Los Angeles (UCLA) has established protocols for chest high-resolution computed tomography (HRCT)-based computer-aided quantification of both interstitial disease and air-trapping. We applied quantitative image analysis (QIA) at CLAD onset to demonstrate radiographic phenotypes with clinical implications.
METHODS: We studied 47 first bilateral lung transplant recipients at UCLA with chest HRCT performed within 90 d of CLAD onset and 47 no-CLAD control HRCTs. QIA determined the proportion of lung volume affected by interstitial disease and air-trapping in total lung capacity and residual volume images, respectively. We compared QIA scores between no-CLAD and CLAD, and between phenotypes. We also assigned radiographic phenotypes based solely on QIA, and compared their survival outcomes.
RESULTS: CLAD onset HRCTs had more lung affected by the interstitial disease (P = 0.003) than no-CLAD controls. Bronchiolitis obliterans syndrome (BOS) cases had lower scores for interstitial disease as compared with probable restrictive allograft syndrome (RAS) (P < 0.0001) and mixed CLAD (P = 0.02) phenotypes. BOS cases had more air-trapping than probable RAS (P < 0.0001). Among phenotypes assigned by QIA, the relative risk of death was greatest for mixed (relative risk [RR] 11.81), followed by RAS (RR 6.27) and BOS (RR 3.15).
CONCLUSIONS: Chest HRCT QIA at CLAD onset appears promising as a method for precise determination of CLAD phenotypes with survival implications.32 Biomedical and Clinical Sciences (for-2020)3202 Clinical Sciences (for-2020)Lung (rcdc)Infectious Diseases (rcdc)Clinical Research (rcdc)Transplantation (rcdc)Organ Transplantation (rcdc)Rare Diseases (rcdc)Biomedical Imaging (rcdc)3 Good Health and Well Being (sdg)Allografts (mesh)Bronchiolitis Obliterans (mesh)Chronic Disease (mesh)Follow-Up Studies (mesh)Humans (mesh)Lung (mesh)Lung Transplantation (mesh)Primary Graft Dysfunction (mesh)Retrospective Studies (mesh)Risk Factors (mesh)Syndrome (mesh)Lung (mesh)Humans (mesh)Bronchiolitis Obliterans (mesh)Syndrome (mesh)Chronic Disease (mesh)Lung Transplantation (mesh)Risk Factors (mesh)Retrospective Studies (mesh)Follow-Up Studies (mesh)Primary Graft Dysfunction (mesh)Allografts (mesh)Allografts (mesh)Bronchiolitis Obliterans (mesh)Chronic Disease (mesh)Follow-Up Studies (mesh)Humans (mesh)Lung (mesh)Lung Transplantation (mesh)Primary Graft Dysfunction (mesh)Retrospective Studies (mesh)Risk Factors (mesh)Syndrome (mesh)11 Medical and Health Sciences (for)Surgery (science-metrix)3202 Clinical sciences (for-2020)3204 Immunology (for-2020)application/pdfCC-BY-NC-NDeScholarship, University of Californiahttps://escholarship.org/uc/item/9z79s20nhttps://escholarship.org/content/qt9z79s20n/qt9z79s20n.pdfinfo:doi/10.1097/tp.0000000000003950articleTransplantation, vol 106, iss 61253 - 1261oai:escholarship.org:ark:/13030/qt4q95x9q92026-04-04T08:36:57Zqt4q95x9q9CXCR3 Ligands Are Associated with the Continuum of Diffuse Alveolar Damage to Chronic Lung Allograft DysfunctionShino, Michael YWeigt, S SamuelLi, NingPalchevskiy, VyacheslavDerhovanessian, ArissSaggar, RajanSayah, David MGregson, Aric LFishbein, Michael CArdehali, AbbasRoss, David JLynch, Joseph PElashoff, Robert MBelperio, John A2013-11-01RATIONALE: After lung transplantation, insults to the allograft generally result in one of four histopathologic patterns of injury: (1) acute rejection, (2) lymphocytic bronchiolitis, (3) organizing pneumonia, and (4) diffuse alveolar damage (DAD). We hypothesized that DAD, the most severe form of acute lung injury, would lead to the highest risk of chronic lung allograft dysfunction (CLAD) and that a type I immune response would mediate this process.
OBJECTIVES: Determine whether DAD is associated with CLAD and explore the potential role of CXCR3/ligand biology.
METHODS: Transbronchial biopsies from all lung transplant recipients were reviewed. The association between the four injury patterns and subsequent outcomes were evaluated using proportional hazards models with time-dependent covariates. Bronchoalveolar lavage (BAL) concentrations of the CXCR3 ligands (CXCL9/MIG, CXCL10/IP10, and CXCL11/ITAC) were compared between allograft injury patterns and "healthy" biopsies using linear mixed-effects models. The effect of these chemokine alterations on CLAD risk was assessed using Cox models with serial BAL measurements as time-dependent covariates.
MEASUREMENTS AND MAIN RESULTS: There were 1,585 biopsies from 441 recipients with 62 episodes of DAD. An episode of DAD was associated with increased risk of CLAD (hazard ratio, 3.0; 95% confidence interval, 1.9-4.7) and death (hazard ratio, 2.3; 95% confidence interval, 1.7-3.0). There were marked elevations in BAL CXCR3 ligand concentrations during DAD. Furthermore, prolonged elevation of these chemokines in serial BAL fluid measurements predicted the development of CLAD.
CONCLUSIONS: DAD is associated with marked increases in the risk of CLAD and death after lung transplantation. This association may be mediated in part by an aberrant type I immune response involving CXCR3/ligands.32 Biomedical and Clinical Sciences (for-2020)3201 Cardiovascular Medicine and Haematology (for-2020)3202 Clinical Sciences (for-2020)Infectious Diseases (rcdc)Transplantation (rcdc)Clinical Research (rcdc)Rare Diseases (rcdc)Acute Respiratory Distress Syndrome (rcdc)Organ Transplantation (rcdc)Lung (rcdc)Acute Lung Injury (mesh)Biopsy (mesh)Bronchoalveolar Lavage Fluid (mesh)Chemokine CXCL10 (mesh)Chemokine CXCL11 (mesh)Chemokine CXCL9 (mesh)Female (mesh)Graft Rejection (mesh)Graft Survival (mesh)Humans (mesh)Kaplan-Meier Estimate (mesh)Ligands (mesh)Linear Models (mesh)Lung Transplantation (mesh)Male (mesh)Middle Aged (mesh)Proportional Hazards Models (mesh)Pulmonary Alveoli (mesh)ReceptorsCXCR3 (mesh)Retrospective Studies (mesh)Transplants (mesh)lung transplantationchronic lung allograft dysfunctionbronchiolitis obliterans syndromediffuse alveolar damageCXC chemokinesPulmonary Alveoli (mesh)Bronchoalveolar Lavage Fluid (mesh)Humans (mesh)Ligands (mesh)Biopsy (mesh)Lung Transplantation (mesh)Linear Models (mesh)Proportional Hazards Models (mesh)Retrospective Studies (mesh)Transplants (mesh)Graft Rejection (mesh)Graft Survival (mesh)Middle Aged (mesh)Female (mesh)Male (mesh)Chemokine CXCL10 (mesh)ReceptorsCXCR3 (mesh)Chemokine CXCL9 (mesh)Chemokine CXCL11 (mesh)Acute Lung Injury (mesh)Kaplan-Meier Estimate (mesh)Acute Lung Injury (mesh)Biopsy (mesh)Bronchoalveolar Lavage Fluid (mesh)Chemokine CXCL10 (mesh)Chemokine CXCL11 (mesh)Chemokine CXCL9 (mesh)Female (mesh)Graft Rejection (mesh)Graft Survival (mesh)Humans (mesh)Kaplan-Meier Estimate (mesh)Ligands (mesh)Linear Models (mesh)Lung Transplantation (mesh)Male (mesh)Middle Aged (mesh)Proportional Hazards Models (mesh)Pulmonary Alveoli (mesh)ReceptorsCXCR3 (mesh)Retrospective Studies (mesh)Transplants (mesh)11 Medical and Health Sciences (for)Respiratory System (science-metrix)3201 Cardiovascular medicine and haematology (for-2020)3202 Clinical sciences (for-2020)application/pdfpubliceScholarship, University of Californiahttps://escholarship.org/uc/item/4q95x9q9https://escholarship.org/content/qt4q95x9q9/qt4q95x9q9.pdfinfo:doi/10.1164/rccm.201305-0861ocarticleAmerican Journal of Respiratory and Critical Care Medicine, vol 188, iss 91117 - 1125oai:escholarship.org:ark:/13030/qt3962z8zd2026-04-04T08:27:57Zqt3962z8zdWearable Sweat Band for Noninvasive Levodopa MonitoringTai, Li-ChiaLiaw, Tiffany SLin, YuanjingNyein, Hnin YYBariya, MallikaJi, WenboHettick, MarkZhao, ChunsongZhao, JiangqiHou, LeiYuan, ZhenFan, ZhiyongJavey, Ali2019-09-11Levodopa is the standard medication clinically prescribed to patients afflicted with Parkinson's disease. In particular, the monitoring and optimization of levodopa dosage are critical to mitigate the onset of undesired fluctuations in the patients' physical and emotional conditions such as speech function, motor behavior, and mood stability. The traditional approach to optimize levodopa dosage involves evaluating the subjects' motor function, which has many shortcomings due to its subjective and limited quantifiable nature. Here, we present a wearable sweat band on a nanodendritic platform that quantitatively monitors levodopa dynamics in the body. Both stationary iontophoretic induction and physical exercise are utilized as our methods of sweat extraction. The sweat band measures real-time pharmacokinetic profiles of levodopa to track the dynamic response of the drug metabolism. We demonstrated the sweat band's functionalities on multiple subjects with implications toward the systematic administering of levodopa and routine management of Parkinson's disease.42 Health Sciences (for-2020)4207 Sports Science and Exercise (for-2020)Neurosciences (rcdc)Neurodegenerative (rcdc)Behavioral and Social Science (rcdc)Aging (rcdc)Clinical Research (rcdc)Parkinson's Disease (rcdc)Brain Disorders (rcdc)Physical Activity (rcdc)Drug Monitoring (mesh)Female (mesh)Humans (mesh)Levodopa (mesh)Parkinson Disease (mesh)Sweat (mesh)Wearable Electronic Devices (mesh)Wearable sweat sensorParkinson's diseaselevodopa detectionnoninvasive drug monitoringdosage optimizationSweat (mesh)Humans (mesh)Parkinson Disease (mesh)Levodopa (mesh)Drug Monitoring (mesh)Female (mesh)Wearable Electronic Devices (mesh)Parkinson’s diseaseWearable sweat sensordosage optimizationlevodopa detectionnoninvasive drug monitoringDrug Monitoring (mesh)Female (mesh)Humans (mesh)Levodopa (mesh)Parkinson Disease (mesh)Sweat (mesh)Wearable Electronic Devices (mesh)MSD-General (c-lbnl-label)MSD-EMAT (c-lbnl-label)Nanoscience & Nanotechnology (science-metrix)application/pdfpubliceScholarship, University of Californiahttps://escholarship.org/uc/item/3962z8zdhttps://escholarship.org/content/qt3962z8zd/qt3962z8zd.pdfinfo:doi/10.1021/acs.nanolett.9b02478articleNano Letters, vol 19, iss 96346 - 6351oai:escholarship.org:ark:/13030/qt74g5m1rf2026-04-04T08:26:38Zqt74g5m1rfProspective Pilot Trial to Evaluate a High Resolution Diffusion-Weighted MRI in Prostate Cancer PatientsSharif-Afshar, Ali-RezaNguyen, ChristopherFeng, Tom SPayor, LucasFan, ZhaoyangSaouaf, RolaLi, DebiaoKim, Hyung L2016-05-01OBJECTIVES: High-resolution prostate imaging may allow for detection of subtle changes in tumor size, decrease the reliance on biopsies, and help define tumor boundaries during ablation. This pilot clinical trial evaluates a novel high-resolution prostate MRI for detection of small, biopsy-proven prostate tumors.
METHODS: Our team developed a software that can be loaded on any modern MRI to generate high resolution diffusion-weighted imaging sequences (HR-DWI), which were compared to standard diffusion-weighted imaging sequence (S-DWI) in a prospective pilot trial in active surveillance patients. HR-DWI captures the entire volume of the prostate rather than sections, reducing streaking artifacts and geometric distortions. Multiple shots, rather than single shots, are used to differentiate signal and noise, enhancing resolution. All images were read by two radiologists. The primary outcome was the percent of biopsy-proven zones seen in 17 patients. The trial was powered to detect discordant proportions of 0.04 and 0.40 at one-sided alpha=0.05.
RESULTS: The resolution was defined using standard phantoms. HR-DWI produced a 5-fold improvement in spatial resolution when compared to S-DWI. Multiparametric (MP)-MRI incorporating S-DWI was useful for predicting biopsy results (AUC 0.72, Fisher's exact p<0.001); however, using HR-DWI allowed MP-MRI to be more highly predictive of biopsy results (AUC 0.88, Fisher's exact p<0.001). AUC for MP-MRI incorporating HR-DWI was significantly larger than MP-MRI incorporating S-DWI (p=0.002). MP-MRI with HR-DWI had a sensitivity of 95.7% and identified tumor in 22 of 23 zones proven to have cancer on biopsy. In contrast, MP-MRI with S-DWI had a sensitivity of 60.9% and only identified 14 of 23 biopsy-positive zones (p=0.004).
CONCLUSION: We developed a novel DWI and evaluated its improved resolution in a clinical setting. This technology has many potential applications and should be evaluated in future clinical trials as a patient management tool.32 Biomedical and Clinical Sciences (for-2020)3202 Clinical Sciences (for-2020)3211 Oncology and Carcinogenesis (for-2020)Clinical Research (rcdc)Cancer (rcdc)Urologic Diseases (rcdc)Bioengineering (rcdc)Prostate Cancer (rcdc)Clinical Trials and Supportive Activities (rcdc)Biomedical Imaging (rcdc)4.2 Evaluation of markers and technologies (hrcs-rac)Cancer (hrcs-hc)Diffusion Magnetic Resonance Imaging (mesh)Humans (mesh)Image ProcessingComputer-Assisted (mesh)Male (mesh)Middle Aged (mesh)Pilot Projects (mesh)Population Surveillance (mesh)Prospective Studies (mesh)Prostatic Neoplasms (mesh)Sensitivity and Specificity (mesh)Software (mesh)MRIProstate cancerDiffusion weighted imagingHumans (mesh)Prostatic Neoplasms (mesh)Diffusion Magnetic Resonance Imaging (mesh)Population Surveillance (mesh)Sensitivity and Specificity (mesh)Prospective Studies (mesh)Pilot Projects (mesh)Image ProcessingComputer-Assisted (mesh)Software (mesh)Middle Aged (mesh)Male (mesh)Diffusion weighted imagingMRIProstate cancerDiffusion Magnetic Resonance Imaging (mesh)Humans (mesh)Image ProcessingComputer-Assisted (mesh)Male (mesh)Middle Aged (mesh)Pilot Projects (mesh)Population Surveillance (mesh)Prospective Studies (mesh)Prostatic Neoplasms (mesh)Sensitivity and Specificity (mesh)Software (mesh)1103 Clinical Sciences (for)1117 Public Health and Health Services (for)3202 Clinical sciences (for-2020)4202 Epidemiology (for-2020)application/pdfpubliceScholarship, University of Californiahttps://escholarship.org/uc/item/74g5m1rfhttps://escholarship.org/content/qt74g5m1rf/qt74g5m1rf.pdfinfo:doi/10.1016/j.ebiom.2016.03.041articleEBioMedicine, vol 780 - 84oai:escholarship.org:ark:/13030/qt6sc7c7bg2026-04-04T08:26:25Zqt6sc7c7bgPbx Regulates Patterning of the Cerebral Cortex in Progenitors and Postmitotic NeuronsGolonzhka, OlgaNord, AlexTang, Paul LFLindtner, SusanYpsilanti, Athena RFerretti, ElisabettaVisel, AxelSelleri, LiciaRubenstein, John LR2015-12-01We demonstrate using conditional mutagenesis that Pbx1, with and without Pbx2(+/-) sensitization, regulates regional identity and laminar patterning of the developing mouse neocortex in cortical progenitors (Emx1-Cre) and in newly generated neurons (Nex1-Cre). Pbx1/2 mutants have three salient molecular phenotypes of cortical regional and laminar organization: hypoplasia of the frontal cortex, ventral expansion of the dorsomedial cortex, and ventral expansion of Reelin expression in the cortical plate of the frontal cortex, concomitant with an inversion of cortical layering in the rostral cortex. Molecular analyses, including PBX ChIP-seq, provide evidence that PBX promotes frontal cortex identity by repressing genes that promote dorsocaudal fate.32 Biomedical and Clinical Sciences (for-2020)3209 Neurosciences (for-2020)Genetics (rcdc)Neurosciences (rcdc)1.1 Normal biological development and functioning (hrcs-rac)Neurological (hrcs-hc)Animals (mesh)AnimalsNewborn (mesh)Cerebral Cortex (mesh)Homeodomain Proteins (mesh)Mice (mesh)MiceTransgenic (mesh)Mitosis (mesh)Neural Stem Cells (mesh)Neurons (mesh)Pre-B-Cell Leukemia Transcription Factor 1 (mesh)Reelin Protein (mesh)Stem Cells (mesh)Transcription Factors (mesh)Cerebral Cortex (mesh)Neurons (mesh)Stem Cells (mesh)Animals (mesh)AnimalsNewborn (mesh)MiceTransgenic (mesh)Mice (mesh)Homeodomain Proteins (mesh)Transcription Factors (mesh)Mitosis (mesh)Neural Stem Cells (mesh)Pre-B-Cell Leukemia Transcription Factor 1 (mesh)Reelin Protein (mesh)Animals (mesh)AnimalsNewborn (mesh)Cerebral Cortex (mesh)Homeodomain Proteins (mesh)Mice (mesh)MiceTransgenic (mesh)Mitosis (mesh)Neural Stem Cells (mesh)Neurons (mesh)Pre-B-Cell Leukemia Transcription Factor 1 (mesh)Reelin Protein (mesh)Stem Cells (mesh)Transcription Factors (mesh)1109 Neurosciences (for)1701 Psychology (for)1702 Cognitive Sciences (for)Neurology & Neurosurgery (science-metrix)3209 Neurosciences (for-2020)5202 Biological psychology (for-2020)application/pdfpubliceScholarship, University of Californiahttps://escholarship.org/uc/item/6sc7c7bghttps://escholarship.org/content/qt6sc7c7bg/qt6sc7c7bg.pdfinfo:doi/10.1016/j.neuron.2015.10.045articleNeuron, vol 88, iss 61192 - 1207oai:escholarship.org:ark:/13030/qt54w055x42026-04-04T08:21:36Zqt54w055x4Measurement of the Ξb− and Ωb− baryon lifetimesCollaboration, LHCbAaij, RAdeva, BAdinolfi, MAffolder, AAjaltouni, ZAlbrecht, JAlessio, FAlexander, MAli, SAlkhazov, GCartelle, P AlvarezAlves, AAAmato, SAmerio, SAmhis, YAn, LAnderlini, LAnderson, JAndreassen, RAndreotti, MAndrews, JEAppleby, RBGutierrez, O AquinesArchilli, FArtamonov, AArtuso, MAslanides, EAuriemma, GBaalouch, MBachmann, SBack, JJBadalov, ABalagura, VBaldini, WBarlow, RJBarschel, CBarsuk, SBarter, WBatozskaya, VBauer, ThBay, ABeddow, JBedeschi, FBediaga, IBelogurov, SBelous, KBelyaev, IBen-Haim, EBencivenni, GBenson, SBenton, JBerezhnoy, ABernet, RBettler, M-Ovan Beuzekom, MBien, ABifani, SBird, TBizzeti, ABjørnstad, PMBlake, TBlanc, FBlouw, JBlusk, SBocci, VBondar, ABondar, NBonivento, WBorghi, SBorgia, ABorsato, MBowcock, TJVBowen, EBozzi, CBrambach, Tvan den Brand, JBressieux, JBrett, DBritsch, MBritton, TBrook, NHBrown, HBursche, ABusetto, GBuytaert, JCadeddu, SCalabrese, RCalvi, MGomez, M CalvoCamboni, ACampana, PPerez, D CamporaCarbone, ACarboni, GCardinale, RCardini, ACarranza-Mejia, HCarson, LAkiba, K Carvalho2014-09-01Using a data sample of pp collisions corresponding to an integrated luminosity of 3 fb−1, the Ξb− and Ωb− baryons are reconstructed in the Ξb−→J/ψΞ− and Ωb−→J/ψΩ− decay modes and their lifetimes measured to beτ(Ξb−)=1.55−0.09+0.10 (stat)±0.03 (syst) ps,τ(Ωb−)=1.54−0.21+0.26 (stat)±0.05 (syst) ps. These are the most precise determinations to date. Both measurements are in good agreement with previous experimental results and with theoretical predictions.5106 Nuclear and Plasma Physics (for-2020)5107 Particle and High Energy Physics (for-2020)51 Physical Sciences (for-2020)5106 Nuclear and Plasma Physics (for-2020)5107 Particle and High Energy Physics (for-2020)51 Physical Sciences (for-2020)hep-exhep-ex0105 Mathematical Physics (for)0201 Astronomical and Space Sciences (for)0202 AtomicMolecularNuclearParticle and Plasma Physics (for)Nuclear & Particles Physics (science-metrix)49 Mathematical sciences (for-2020)51 Physical sciences (for-2020)publiceScholarship, University of Californiahttps://escholarship.org/uc/item/54w055x4info:doi/10.1016/j.physletb.2014.06.064articlePhysics Letters B, vol 736, iss 3-4154 - 162oai:escholarship.org:ark:/13030/qt0z2063j62026-04-04T08:09:39Zqt0z2063j6A joint analysis of 3D clustering and galaxy × CMB-lensing cross-correlations with DESI DR1 galaxiesMaus, MWhite, MSailer, NLizancos, A BaleatoFerraro, SChen, SDeRose, JAguilar, JAhlen, SBenZvi, SBianchi, DBrooks, DBurtin, ECastander, FJChaussidon, EClaybaugh, TCuceu, Ade la Macorra, Ade Mattia, ADoel, PFont-Ribera, AForero-Romero, JEGaztañaga, EGontcho, S Gontcho AGutierrez, GGuy, JHonscheid, KHowlett, CIshak, MKehoe, RKirkby, DKisner, TKremin, ALahav, OLamman, CLandriau, MLe Guillou, LLevi, MEManera, MMeisner, AMiquel, RNadathur, SNewman, JAPalanque-Delabrouille, NPercival, WJPrada, FPérez-Ràfols, IRoss, AJRossi, GSamushia, LSanchez, ESchlegel, DSchubnell, MSeo, HSilber, JSprayberry, DTarlé, GWeaver, BAZarrouk, PZhou, RZou, H2025-11-01The spectroscopic data from DESI Data Release 1 (DR1) galaxies enables the analysis of 3D clustering by fitting galaxy power spectra and reconstructed correlation functions in redshift space. Given low measurements of the amplitude of structure from cosmic shear at z ∼ 1, redshift space distortions (RSD) + Baryon Acoustic Oscillation (BAO) signals from DESI galaxies combined with weak lensing can break degeneracies and provide a tight alternative constraint on the z ∼ 1 amplitude of structure. In this paper we perform joint analyses that combine full-shape + post-reconstruction information from the DESI DR1 BGS and LRG samples along with angular cross-correlations with Planck PR4 and ACT DR6 CMB lensing maps. We show that adding galaxy-lensing cross-correlations tightens clustering amplitude constraints, improving σ 8 uncertainties by 30% over RSD+BAO alone. We also include angular galaxy-galaxy and galaxy-lensing spectra using photometric samples from the DESI Legacy Survey to further improve constraints. Our headline results are σ 8 = 0.803 ± 0.017, Ωm = 0.3037 ± 0.0069, and S 8 = 0.808 ± 0.017. Given DESI's preference for higher σ 8 compared to lower values from BOSS, we perform a catalog-level comparison of LRG samples from both surveys. We test sensitivity to dark energy assumptions by relaxing our ΛCDM prior and allowing for evolving dark energy via the w 0 - wa parameterization. We find our S 8 constraints to be relatively unchanged despite a 3.5σ tension with the cosmological constant model when combining with the Union3 supernova likelihood. Finally we test general relativity (GR) by allowing the gravitational slip parameter (γ) to vary, and find γ = 1.17 ± 0.11 in mild (∼ 1.5σ) tension with the GR value of 1.0.5106 Nuclear and Plasma Physics (for-2020)51 Physical Sciences (for-2020)cosmological parameters from LSSgravitational lensingpower spectrumredshift surveys0201 Astronomical and Space Sciences (for)0202 AtomicMolecularNuclearParticle and Plasma Physics (for)Nuclear & Particles Physics (science-metrix)5101 Astronomical sciences (for-2020)5107 Particle and high energy physics (for-2020)application/pdfCC-BYeScholarship, University of Californiahttps://escholarship.org/uc/item/0z2063j6https://escholarship.org/content/qt0z2063j6/qt0z2063j6.pdfinfo:doi/10.1088/1475-7516/2025/11/077articleJournal of Cosmology and Astroparticle Physics, vol 2025, iss 11077oai:escholarship.org:ark:/13030/qt9hv8k11n2026-04-04T08:09:27Zqt9hv8k11nThe Early Data Release of the Dark Energy Spectroscopic InstrumentCollaboration, DESIAdame, AGAguilar, JAhlen, SAlam, SAldering, GAlexander, DMAlfarsy, RPrieto, C AllendeAlvarez, MAlves, OAnand, AAndrade-Oliveira, FArmengaud, EAsorey, JAvila, SAviles, ABailey, SBalaguera-Antolínez, ABallester, OBaltay, CBault, ABautista, JBehera, JBeltran, SFBenZvi, SSilva, L Beraldo EBermejo-Climent, JRBerti, ABesuner, RBeutler, FBianchi, DBlake, CBlum, RBolton, ASBrieden, SBrodzeller, ABrooks, DBrown, ZBuckley-Geer, EBurtin, ECabayol-Garcia, LCai, ZCanning, RCardiel-Sas, LRosell, A CarneroCastander, FJCervantes-Cota, JLChabanier, SChaussidon, EChaves-Montero, JChen, SChen, XChuang, CClaybaugh, TCole, SCooper, APCuceu, ADavis, TMDawson, Kde Belsunce, Rde la Cruz, Rde la Macorra, ADella Costa, Jde Mattia, ADemina, RDemirbozan, UDeRose, JDey, ADey, BDhungana, GDing, JDing, ZDoel, PDoshi, RDouglass, KEdge, AEftekharzadeh, SEisenstein, DJElliott, AEreza, JEscoffier, SFagrelius, PFan, XFanning, KFawcett, VAFerraro, SFlaugher, BFont-Ribera, AForero-Romero, JEForero-Sánchez, DFrenk, CSGänsicke, BTGarcía, LÁGarcía-Bellido, JGarcia-Quintero, CGarrison, LHGil-Marín, HGolden-Marx, JGontcho, S Gontcho A2024-08-01The Dark Energy Spectroscopic Instrument (DESI) completed its 5 month Survey Validation in 2021 May. Spectra of stellar and extragalactic targets from Survey Validation constitute the first major data sample from the DESI survey. This paper describes the public release of those spectra, the catalogs of derived properties, and the intermediate data products. In total, the public release includes good-quality spectral information from 466,447 objects targeted as part of the Milky Way Survey, 428,758 as part of the Bright Galaxy Survey, 227,318 as part of the Luminous Red Galaxy sample, 437,664 as part of the Emission Line Galaxy sample, and 76,079 as part of the Quasar sample. In addition, the release includes spectral information from 137,148 objects that expand the scope beyond the primary samples as part of a series of secondary programs. Here, we describe the spectral data, data quality, data products, Large-Scale Structure science catalogs, access to the data, and references that provide relevant background to using these spectra.5101 Astronomical Sciences (for-2020)51 Physical Sciences (for-2020)0201 Astronomical and Space Sciences (for)Astronomy & Astrophysics (science-metrix)5101 Astronomical sciences (for-2020)5107 Particle and high energy physics (for-2020)CC-BYeScholarship, University of Californiahttps://escholarship.org/uc/item/9hv8k11ninfo:doi/10.3847/1538-3881/ad3217articleThe Astronomical Journal, vol 168, iss 258oai:escholarship.org:ark:/13030/qt2jg6c9872026-04-04T08:08:35Zqt2jg6c987Search for supersymmetry in events with large missing transverse momentum, jets, and at least one tau lepton in 20 fb−1 of s = 8 TeV proton-proton collision data with the ATLAS detectorThe ATLAS collaborationAad, GAbbott, BAbdallah, JAbdel Khalek, SAbdinov, OAben, RAbi, BAbolins, MAbouZeid, OSAbramowicz, HAbreu, HAbreu, RAbulaiti, YAcharya, BSAdamczyk, LAdams, DLAdelman, JAdomeit, SAdye, TAgatonovic-Jovin, TAguilar-Saavedra, JAAgustoni, MAhlen, SPAhmadov, FAielli, GAkerstedt, HÅkesson, TPAAkimoto, GAkimov, AVAlberghi, GLAlbert, JAlbrand, SAlconada Verzini, MJAleksa, MAleksandrov, INAlexa, CAlexander, GAlexandre, GAlexopoulos, TAlhroob, MAlimonti, GAlio, LAlison, JAllbrooke, BMMAllison, LJAllport, PPAlmond, JAloisio, AAlonso, AAlonso, FAlpigiani, CAltheimer, AAlvarez Gonzalez, BAlviggi, MGAmako, KAmaral Coutinho, YAmelung, CAmidei, DAmor Dos Santos, SPAmorim, AAmoroso, SAmram, NAmundsen, GAnastopoulos, CAncu, LSAndari, NAndeen, TAnders, CFAnders, GAnderson, KJAndreazza, AAndrei, VAnduaga, XSAngelidakis, SAngelozzi, IAnger, PAngerami, AAnghinolfi, FAnisenkov, AVAnjos, NAnnovi, AAntonaki, AAntonelli, MAntonov, AAntos, JAnulli, FAoki, MAperio Bella, LApolle, RArabidze, GAracena, IArai, YAraque, JPArce, ATHArguin, J-FArgyropoulos, SArik, MArmbruster, AJArnaez, O2014-09-01A search for supersymmetry (SUSY) in events with large missing transverse momentum, jets, at least one hadronically decaying tau lepton and zero or one additional light leptons (electron/muon), has been performed using 20.3fb−1 of proton-proton collision data at s$$ \sqrt{s} $$ = 8 TeV recorded with the ATLAS detector at the Large Hadron Collider. No excess above the Standard Model background expectation is observed in the various signal regions and 95% confidence level upper limits on the visible cross section for new phenomena are set. The results of the analysis are interpreted in several SUSY scenarios, significantly extending previous limits obtained in the same final states. In the framework of minimal gauge-mediated SUSY breaking models, values of the SUSY breaking scale Λ below 63 TeV are excluded, independently of tan β. Exclusion limits are also derived for an mSUGRA/CMSSM model, in both the R-parity-conserving and R-parity-violating case. A further interpretation is presented in a framework of natural gauge mediation, in which the gluino is assumed to be the only light coloured sparticle and gluino masses below 1090 GeV are excluded.5106 Nuclear and Plasma Physics (for-2020)5107 Particle and High Energy Physics (for-2020)51 Physical Sciences (for-2020)Hadron-Hadron ScatteringTau PhysicsBeyond Standard ModelBeyond Standard ModelHadron-Hadron ScatteringTau Physicshep-exhep-ex0105 Mathematical Physics (for)0202 AtomicMolecularNuclearParticle and Plasma Physics (for)0206 Quantum Physics (for)Nuclear & Particles Physics (science-metrix)4902 Mathematical physics (for-2020)5106 Nuclear and plasma physics (for-2020)5107 Particle and high energy physics (for-2020)application/pdfCC-BYeScholarship, University of Californiahttps://escholarship.org/uc/item/2jg6c987https://escholarship.org/content/qt2jg6c987/qt2jg6c987.pdfinfo:doi/10.1007/jhep09(2014)103articleJournal of High Energy Physics, vol 2014, iss 9103oai:escholarship.org:ark:/13030/qt6mb2s7w92026-04-04T08:08:20Zqt6mb2s7w9Search for high-mass dilepton resonances in pp collisions at s=8 TeV with the ATLAS detectorAad, GAbbott, BAbdallah, JKhalek, S AbdelAbdinov, OAben, RAbi, BAbolins, MAbouZeid, OSAbramowicz, HAbreu, HAbreu, RAbulaiti, YAcharya, BSAdamczyk, LAdams, DLAdelman, JAdomeit, SAdye, TAgatonovic-Jovin, TAguilar-Saavedra, JAAgustoni, MAhlen, SPAhmadov, FAielli, GAkerstedt, HÅkesson, TPAAkimoto, GAkimov, AVAlberghi, GLAlbert, JAlbrand, SVerzini, MJ AlconadaAleksa, MAleksandrov, INAlexa, CAlexander, GAlexandre, GAlexopoulos, TAlhroob, MAlimonti, GAlio, LAlison, JAllbrooke, BMMAllen, KAllison, LJAllport, PPAlmond, JAloisio, AAlonso, AAlonso, FAlpigiani, CAltheimer, AGonzalez, B AlvarezAlviggi, MGAmako, KCoutinho, Y AmaralAmelung, CAmidei, DDos Santos, SP AmorAmorim, AAmoroso, SAmram, NAmundsen, GAnastopoulos, CAncu, LSAndari, NAndeen, TAnders, CFAnders, GAnderson, KJAndreazza, AAndrei, VAnduaga, XSAngelidakis, SAngelozzi, IAnger, PAngerami, AAnghinolfi, FAnisenkov, AVAnjos, NAnnovi, AAntonaki, AAntonelli, MAntonov, AAntos, JAnulli, FAoki, MBella, L AperioApolle, RArabidze, GAracena, IArai, YAraque, JPArce, ATHArguin, J-FArgyropoulos, SArik, MArmbruster, AJArnaez, O2014-09-01The ATLAS detector at the Large Hadron Collider is used to search for high-mass resonances decaying to dielectron or dimuon final states. Results are presented from an analysis of proton-proton (pp) collisions at a center-of-mass energy of 8 TeV corresponding to an integrated luminosity of 20.3 fb−1 in the dimuon channel. A narrow resonance with Standard Model Z couplings to fermions is excluded at 95% confidence level for masses less than 2.79 TeV in the dielectron channel, 2.53 TeV in the dimuon channel, and 2.90 TeV in the two channels combined. Limits on other model interpretations are also presented, including a grand-unification model based on the E6 gauge group, Z* bosons, minimal Z′ models, a spin-2 graviton excitation from Randall-Sundrum models, quantum black holes, and a minimal walking technicolor model with a composite Higgs boson.5106 Nuclear and Plasma Physics (for-2020)5107 Particle and High Energy Physics (for-2020)51 Physical Sciences (for-2020)hep-exhep-exapplication/pdfCC-BYeScholarship, University of Californiahttps://escholarship.org/uc/item/6mb2s7w9https://escholarship.org/content/qt6mb2s7w9/qt6mb2s7w9.pdfinfo:doi/10.1103/physrevd.90.052005articlePhysical Review D, vol 90, iss 5052005oai:escholarship.org:ark:/13030/qt2310b5zz2026-04-04T08:04:50Zqt2310b5zzObservation of photon-induced W + W − production in pp collisions at s = 13 TeV using the ATLAS detectorAad, GAbbott, BAbbott, DCAbud, A AbedAbeling, KAbhayasinghe, DKAbidi, SHAbouZeid, OSAbraham, NLAbramowicz, HAbreu, HAbulaiti, YAcharya, BSAchkar, BAdam, LBourdarios, C AdamAdamczyk, LAdamek, LAdelman, JAdiguzel, AAdorni, SAdye, TAffolder, AAAfik, YAgapopoulou, CAgaras, MNAggarwal, AAgheorghiesei, CAguilar-Saavedra, JAAhmad, AAhmadov, FAhmed, WSAi, XAielli, GAkatsuka, SAkbiyik, MÅkesson, TPAAkilli, EAkimov, AVAl Khoury, KAlberghi, GLAlbert, JVerzini, MJ AlconadaAlderweireldt, SAleksa, MAleksandrov, INAlexa, CAlexopoulos, TAlfonsi, AAlfonsi, FAlhroob, MAli, BAli, SAliev, MAlimonti, GAllaire, CAllbrooke, BMMAllen, BWAllport, PPAloisio, AAlonso, FAlpigiani, CCamelia, E AlunnoEstevez, M AlvarezAlviggi, MGCoutinho, Y AmaralAmbler, AAmbroz, LAmelung, CAmidei, DDos Santos, SP AmorAmoroso, SAmrouche, CSAn, FAnastopoulos, CAndari, NAndeen, TAnders, JKAndrean, SYAndreazza, AAndrei, VAnelli, CRAngelidakis, SAngerami, AAnisenkov, AVAnnovi, AAntel, CAnthony, MTAntipov, EAntonelli, MAntrim, DJAAnulli, FAoki, MPozo, JA AparisiAparo, MABella, L AperioAranzabal, NFerraz, V AraujoPereira, R AraujoArcangeletti, C2021-05-01This letter reports the observation of photon-induced production of W-boson pairs, γ γ → W W . The analysis uses 139 fb−1 of LHC proton–proton collision data taken at s = 13 TeV recorded by the ATLAS experiment during the years 2015–2018. The measurement is performed selecting one electron and one muon, corresponding to the decay of the diboson system as W W → e ± ν μ ∓ ν final state. The background-only hypothesis is rejected with a significance of well above 5 standard deviations consistent with the expectation from Monte Carlo simulation. A cross section for the γ γ → W W process of 3.13 ± 0.31 (stat.) ± 0.28 (syst.) fb is measured in a fiducial volume close to the acceptance of the detector, by requiring an electron and a muon of opposite signs with large dilepton transverse momentum and exactly zero additional charged particles. This is found to be in agreement with the Standard Model prediction.5106 Nuclear and Plasma Physics (for-2020)5107 Particle and High Energy Physics (for-2020)51 Physical Sciences (for-2020)hep-exhep-ex0105 Mathematical Physics (for)0201 Astronomical and Space Sciences (for)0202 AtomicMolecularNuclearParticle and Plasma Physics (for)Nuclear & Particles Physics (science-metrix)49 Mathematical sciences (for-2020)51 Physical sciences (for-2020)application/pdfpubliceScholarship, University of Californiahttps://escholarship.org/uc/item/2310b5zzhttps://escholarship.org/content/qt2310b5zz/qt2310b5zz.pdfinfo:doi/10.1016/j.physletb.2021.136190articlePhysics Letters B, vol 816136190oai:escholarship.org:ark:/13030/qt7fg3438j2026-04-04T08:02:38Zqt7fg3438jErratum to: Search for supersymmetry in final states with two same-sign or three leptons and jets using 36 fb−1 of s = 13 TeV pp collision data with the ATLAS detectorAaboud, MAad, GAbbott, BAbdinov, OAbeloos, BAbidi, SHAbouZeid, OSAbraham, NLAbramowicz, HAbreu, HAbreu, RAbulaiti, YAcharya, BSAdachi, SAdamczyk, LAdelman, JAdersberger, MAdye, TAffolder, AAAfik, YAgatonovic-Jovin, TAgheorghiesei, CAguilar-Saavedra, JAAhlen, SPAhmadov, FAielli, GAkatsuka, SAkerstedt, HÅkesson, TPAAkilli, EAkimov, AVAlberghi, GLAlbert, JAlbicocco, PAlconada Verzini, MJAlderweireldt, SCAleksa, MAleksandrov, INAlexa, CAlexander, GAlexopoulos, TAlhroob, MAli, BAliev, MAlimonti, GAlison, JAlkire, SPAllbrooke, BMMAllen, BWAllport, PPAloisio, AAlonso, AAlonso, FAlpigiani, CAlshehri, AAAlstaty, MIAlvarez Gonzalez, BÁlvarez Piqueras, DAlviggi, MGAmadio, BTAmaral Coutinho, YAmelung, CAmidei, DAmor Dos Santos, SPAmoroso, SAmundsen, GAnastopoulos, CAncu, LSAndari, NAndeen, TAnders, CFAnders, JKAnderson, KJAndreazza, AAndrei, VAngelidakis, SAngelozzi, IAngerami, AAnisenkov, AVAnjos, NAnnovi, AAntel, CAntonelli, MAntonov, AAntrim, DJAnulli, FAoki, MAperio Bella, LArabidze, GArai, YAraque, JPAraujo Ferraz, VArce, ATHArdell, REArduh, FAArguin, J-FArgyropoulos, SArik, MArmbruster, AJArmitage, LJ2019-08-01One correction is made to the figure 4e of the paper.5106 Nuclear and Plasma Physics (for-2020)5107 Particle and High Energy Physics (for-2020)51 Physical Sciences (for-2020)0105 Mathematical Physics (for)0202 AtomicMolecularNuclearParticle and Plasma Physics (for)0206 Quantum Physics (for)Nuclear & Particles Physics (science-metrix)4902 Mathematical physics (for-2020)5106 Nuclear and plasma physics (for-2020)5107 Particle and high energy physics (for-2020)application/pdfpubliceScholarship, University of Californiahttps://escholarship.org/uc/item/7fg3438jhttps://escholarship.org/content/qt7fg3438j/qt7fg3438j.pdfinfo:doi/10.1007/jhep08(2019)121articleJournal of High Energy Physics, vol 2019, iss 8121oai:escholarship.org:ark:/13030/qt4d35p9k42026-04-04T08:01:58Zqt4d35p9k4Combined measurement of differential and total cross sections in the H → γγ and the H → ZZ ⁎ → 4ℓ decay channels at s = 13 TeV with the ATLAS detectorCollaboration, The ATLASAaboud, MAad, GAbbott, BAbdinov, OAbeloos, BAbhayasinghe, DKAbidi, SHAbouZeid, OSAbraham, NLAbramowicz, HAbreu, HAbulaiti, YAcharya, BSAdachi, SAdamczyk, LAdelman, JAdersberger, MAdiguzel, AAdye, TAffolder, AAAfik, YAgheorghiesei, CAguilar-Saavedra, JAAhmadov, FAielli, GAkatsuka, SÅkesson, TPAAkilli, EAkimov, AVAlberghi, GLAlbert, JAlbicocco, PVerzini, MJ AlconadaAlderweireldt, SAleksa, MAleksandrov, INAlexa, CAlexopoulos, TAlhroob, MAli, BAlimonti, GAlison, JAlkire, SPAllaire, CAllbrooke, BMMAllen, BWAllport, PPAloisio, AAlonso, AAlonso, FAlpigiani, CAlshehri, AAAlstaty, MIGonzalez, B AlvarezPiqueras, D ÁlvarezAlviggi, MGAmadio, BTCoutinho, Y AmaralAmbroz, LAmelung, CAmidei, DDos Santos, SP AmorAmoroso, SAmrouche, CSAnastopoulos, CAncu, LSAndari, NAndeen, TAnders, CFAnders, JKAnderson, KJAndreazza, AAndrei, VAnelli, CRAngelidakis, SAngelozzi, IAngerami, AAnisenkov, AVAnnovi, AAntel, CAnthony, MTAntonelli, MAntrim, DJAAnulli, FAoki, MBella, L AperioArabidze, GArai, YAraque, JPFerraz, V AraujoPereira, R AraujoArce, ATHArdell, REArduh, FAArguin, J-FArgyropoulos, SArmbruster, AJArmitage, LJArmstrong, A2018-11-01A combined measurement of differential and inclusive total cross sections of Higgs boson production is performed using 36.1 fb−1 of 13 TeV proton–proton collision data produced by the LHC and recorded by the ATLAS detector in 2015 and 2016. Cross sections are obtained from measured H→γγ and H→ZZ⁎→4ℓ event yields, which are combined taking into account detector efficiencies, resolution, acceptances and branching fractions. The total Higgs boson production cross section is measured to be 57.0−5.9 +6.0 (stat.) −3.3 +4.0 (syst.) pb, in agreement with the Standard Model prediction. Differential cross-section measurements are presented for the Higgs boson transverse momentum distribution, Higgs boson rapidity, number of jets produced together with the Higgs boson, and the transverse momentum of the leading jet. The results from the two decay channels are found to be compatible, and their combination agrees with the Standard Model predictions.5106 Nuclear and Plasma Physics (for-2020)5107 Particle and High Energy Physics (for-2020)51 Physical Sciences (for-2020)hep-exhep-ex0105 Mathematical Physics (for)0201 Astronomical and Space Sciences (for)0202 AtomicMolecularNuclearParticle and Plasma Physics (for)Nuclear & Particles Physics (science-metrix)49 Mathematical sciences (for-2020)51 Physical sciences (for-2020)publiceScholarship, University of Californiahttps://escholarship.org/uc/item/4d35p9k4info:doi/10.1016/j.physletb.2018.09.019articlePhysics Letters B, vol 786114 - 133oai:escholarship.org:ark:/13030/qt2833n2042026-04-04T08:01:34Zqt2833n204Measurement of multi-particle azimuthal correlations in pp, p + Pb and low-multiplicity Pb + Pb collisions with the ATLAS detectorAaboud, MAad, GAbbott, BAbdallah, JAbdinov, OAbeloos, BAbidi, SHAbouZeid, OSAbraham, NLAbramowicz, HAbreu, HAbreu, RAbulaiti, YAcharya, BSAdachi, SAdamczyk, LAdelman, JAdersberger, MAdye, TAffolder, AAAgatonovic-Jovin, TAgheorghiesei, CAguilar-Saavedra, JAAhlen, SPAhmadov, FAielli, GAkatsuka, SAkerstedt, HÅkesson, TPAAkimov, AVAlberghi, GLAlbert, JAlbicocco, PVerzini, MJ AlconadaAleksa, MAleksandrov, INAlexa, CAlexander, GAlexopoulos, TAlhroob, MAli, BAliev, MAlimonti, GAlison, JAlkire, SPAllbrooke, BMMAllen, BWAllport, PPAloisio, AAlonso, AAlonso, FAlpigiani, CAlshehri, AAAlstaty, MGonzalez, B AlvarezPiqueras, D ÁlvarezAlviggi, MGAmadio, BTCoutinho, Y AmaralAmelung, CAmidei, DSantos, SP Amor DosAmorim, AAmoroso, SAmundsen, GAnastopoulos, CAncu, LSAndari, NAndeen, TAnders, CFAnders, JKAnderson, KJAndreazza, AAndrei, VAngelidakis, SAngelozzi, IAngerami, AAnisenkov, AVAnjos, NAnnovi, AAntel, CAntonelli, MAntonov, AAntrim, DJAnulli, FAoki, MBella, L AperioArabidze, GArai, YAraque, JPFerraz, V AraujoArce, ATHArdell, REArduh, FAArguin, J-FArgyropoulos, SArik, MArmbruster, AJArmitage, LJArnaez, O2017-06-01Multi-particle cumulants and corresponding Fourier harmonics are measured for azimuthal angle distributions of charged particles in pp$$pp$$ collisions at s$$\sqrt{s}$$ = 5.02 and 13 TeV and in p$$p$$ + Pb collisions at sNN$$\sqrt{s_{_\text {NN}}}$$ = 5.02 TeV, and compared to the results obtained for low-multiplicity Pb+Pb$$\mathrm{Pb}~+~\mathrm{Pb}$$ collisions at sNN$$\sqrt{s_{_\text {NN}}}$$ = 2.76 TeV. These measurements aim to assess the collective nature of particle production. The measurements of multi-particle cumulants confirm the evidence for collective phenomena in p$$p$$ + Pb and low-multiplicity Pb+Pb$$\mathrm{Pb}~+~\mathrm{Pb}$$ collisions. On the other hand, the pp$$pp$$ results for four-particle cumulants do not demonstrate collective behaviour, indicating that they may be biased by contributions from non-flow correlations. A comparison of multi-particle cumulants and derived Fourier harmonics across different collision systems is presented as a function of the charged-particle multiplicity. For a given multiplicity, the measured Fourier harmonics are largest in Pb+Pb$$\mathrm{Pb}~+~\mathrm{Pb}$$, smaller in p$$p$$ + Pb and smallest in pp$$pp$$ collisions. The pp$$pp$$ results show no dependence on the collision energy, nor on the multiplicity.5106 Nuclear and Plasma Physics (for-2020)5107 Particle and High Energy Physics (for-2020)51 Physical Sciences (for-2020)ATLAS CollaborationATLAS CollaborationATLAS CollaborationATLAS Collaborationhep-exhep-exnucl-ex0202 AtomicMolecularNuclearParticle and Plasma Physics (for)0206 Quantum Physics (for)Nuclear & Particles Physics (science-metrix)5101 Astronomical sciences (for-2020)5102 Atomicmolecular and optical physics (for-2020)5107 Particle and high energy physics (for-2020)application/pdfpubliceScholarship, University of Californiahttps://escholarship.org/uc/item/2833n204https://escholarship.org/content/qt2833n204/qt2833n204.pdfinfo:doi/10.1140/epjc/s10052-017-4988-1articleEuropean Physical Journal C, vol 77, iss 6428oai:escholarship.org:ark:/13030/qt57x605f92026-04-04T08:01:21Zqt57x605f9Search for bottom squark pair production in proton–proton collisions at s=13 TeV with the ATLAS detectorAaboud, MAad, GAbbott, BAbdallah, JAbdinov, OAbeloos, BAben, RAbouZeid, OSAbraham, NLAbramowicz, HAbreu, HAbreu, RAbulaiti, YAcharya, BSAdamczyk, LAdams, DLAdelman, JAdomeit, SAdye, TAffolder, AAAgatonovic-Jovin, TAgricola, JAguilar-Saavedra, JAAhlen, SPAhmadov, FAielli, GAkerstedt, HÅkesson, TPAAkimov, AVAlberghi, GLAlbert, JAlbrand, SVerzini, MJ AlconadaAleksa, MAleksandrov, INAlexa, CAlexander, GAlexopoulos, TAlhroob, MAli, BAliev, MAlimonti, GAlison, JAlkire, SPAllbrooke, BMMAllen, BWAllport, PPAloisio, AAlonso, AAlonso, FAlpigiani, CAlstaty, MGonzalez, B AlvarezPiqueras, D ÁlvarezAlviggi, MGAmadio, BTAmako, KCoutinho, Y AmaralAmelung, CAmidei, DDos Santos, SP AmorAmorim, AAmoroso, SAmundsen, GAnastopoulos, CAncu, LSAndari, NAndeen, TAnders, CFAnders, GAnders, JKAnderson, KJAndreazza, AAndrei, VAngelidakis, SAngelozzi, IAnger, PAngerami, AAnghinolfi, FAnisenkov, AVAnjos, NAnnovi, AAntel, CAntonelli, MAntonov, AAnulli, FAoki, MBella, L AperioArabidze, GArai, YAraque, JPArce, ATHArduh, FAArguin, J-FArgyropoulos, SArik, MArmbruster, AJArmitage, LJArnaez, OArnold, H2016-10-01The result of a search for pair production of the supersymmetric partner of the Standard Model bottom quark (b~1$$\tilde{b}^{}_{1} $$) is reported. The search uses 3.2 fb-1$$^{-1}$$ of pp collisions at s=13$$\sqrt{s}=13$$ TeV collected by the ATLAS experiment at the Large Hadron Collider in 2015. Bottom squarks are searched for in events containing large missing transverse momentum and exactly two jets identified as originating from b-quarks. No excess above the expected Standard Model background yield is observed. Exclusion limits at 95 % confidence level on the mass of the bottom squark are derived in phenomenological supersymmetric R-parity-conserving models in which the b~1$$\tilde{b}^{}_{1} $$ is the lightest squark and is assumed to decay exclusively via b~1→bχ~10$$\tilde{b}^{}_{1} \rightarrow b \tilde{\chi }^{0}_{1}$$, where χ~10$$\tilde{\chi }^{0}_{1}$$ is the lightest neutralino. The limits significantly extend previous results; bottom squark masses up to 800 (840) GeV are excluded for the χ~10$$\tilde{\chi }^{0}_{1}$$ mass below 360 (100) GeV whilst differences in mass above 100 GeV between the b~1$$\tilde{b}^{}_{1}$$ and the χ~10$$\tilde{\chi }^{0}_{1}$$ are excluded up to a b~1$$\tilde{b}^{}_{1} $$ mass of 500 GeV.5106 Nuclear and Plasma Physics (for-2020)5107 Particle and High Energy Physics (for-2020)51 Physical Sciences (for-2020)ATLAS Collaborationhep-exhep-ex0202 AtomicMolecularNuclearParticle and Plasma Physics (for)0206 Quantum Physics (for)Nuclear & Particles Physics (science-metrix)5101 Astronomical sciences (for-2020)5102 Atomicmolecular and optical physics (for-2020)5107 Particle and high energy physics (for-2020)application/pdfCC-BYeScholarship, University of Californiahttps://escholarship.org/uc/item/57x605f9https://escholarship.org/content/qt57x605f9/qt57x605f9.pdfinfo:doi/10.1140/epjc/s10052-016-4382-4articleEuropean Physical Journal C, vol 76, iss 10547oai:escholarship.org:ark:/13030/qt37j2911f2026-04-04T08:01:10Zqt37j2911fCharged-particle distributions at low transverse momentum in s=13 TeV pp interactions measured with the ATLAS detector at the LHCAaboud, MAad, GAbbott, BAbdallah, JAbdinov, OAbeloos, BAben, RAbouZeid, OSAbraham, NLAbramowicz, HAbreu, HAbreu, RAbulaiti, YAcharya, BSAdamczyk, LAdams, DLAdelman, JAdomeit, SAdye, TAffolder, AAAgatonovic-Jovin, TAgricola, JAguilar-Saavedra, JAAhlen, SPAhmadov, FAielli, GAkerstedt, HÅkesson, TPAAkimov, AVAlberghi, GLAlbert, JAlbrand, SVerzini, MJ AlconadaAleksa, MAleksandrov, INAlexa, CAlexander, GAlexopoulos, TAlhroob, MAli, BAliev, MAlimonti, GAlison, JAlkire, SPAllbrooke, BMMAllen, BWAllport, PPAloisio, AAlonso, AAlonso, FAlpigiani, CAlstaty, MGonzalez, B AlvarezPiqueras, D ÁlvarezAlviggi, MGAmadio, BTAmako, KCoutinho, Y AmaralAmelung, CAmidei, DDos Santos, SP AmorAmorim, AAmoroso, SAmundsen, GAnastopoulos, CAncu, LSAndari, NAndeen, TAnders, CFAnders, GAnders, JKAnderson, KJAndreazza, AAndrei, VAngelidakis, SAngelozzi, IAnger, PAngerami, AAnghinolfi, FAnisenkov, AVAnjos, NAnnovi, AAntel, CAntonelli, MAntonov, AAnulli, FAoki, MBella, L AperioArabidze, GArai, YAraque, JPArce, ATHArduh, FAArguin, J-FArgyropoulos, SArik, MArmbruster, AJArmitage, LJArnaez, OArnold, H2016-09-01Measurements of distributions of charged particles produced in proton–proton collisions with a centre-of-mass energy of 13 TeV are presented. The data were recorded by the ATLAS detector at the LHC and correspond to an integrated luminosity of 151 μb-1$$\upmu\text{b}^{-1}$$. The particles are required to have a transverse momentum greater than 100 MeV and an absolute pseudorapidity less than 2.5. The charged-particle multiplicity, its dependence on transverse momentum and pseudorapidity and the dependence of the mean transverse momentum on multiplicity are measured in events containing at least two charged particles satisfying the above kinematic criteria. The results are corrected for detector effects and compared to the predictions from several Monte Carlo event generators.5106 Nuclear and Plasma Physics (for-2020)5107 Particle and High Energy Physics (for-2020)5110 Synchrotrons and Accelerators (for-2020)51 Physical Sciences (for-2020)ATLAS Collaborationhep-exhep-ex0202 AtomicMolecularNuclearParticle and Plasma Physics (for)0206 Quantum Physics (for)Nuclear & Particles Physics (science-metrix)5101 Astronomical sciences (for-2020)5102 Atomicmolecular and optical physics (for-2020)5107 Particle and high energy physics (for-2020)application/pdfCC-BYeScholarship, University of Californiahttps://escholarship.org/uc/item/37j2911fhttps://escholarship.org/content/qt37j2911f/qt37j2911f.pdfinfo:doi/10.1140/epjc/s10052-016-4335-yarticleEuropean Physical Journal C, vol 76, iss 9502oai:escholarship.org:ark:/13030/qt6vd7k1062026-04-04T07:58:55Zqt6vd7k106Search for Higgs boson pair production in the bb¯bb¯ final state from pp collisions at s=8 TeVwith the ATLAS detectorAad, GAbbott, BAbdallah, JAbdinov, OAben, RAbolins, MAbouZeid, OSAbramowicz, HAbreu, HAbreu, RAbulaiti, YAcharya, BSAdamczyk, LAdams, DLAdelman, JAdomeit, SAdye, TAffolder, AAAgatonovic-Jovin, TAguilar-Saavedra, JAAhlen, SPAhmadov, FAielli, GAkerstedt, HÅkesson, TPAAkimoto, GAkimov, AVAlberghi, GLAlbert, JAlbrand, SAlconada Verzini, MJAleksa, MAleksandrov, INAlexa, CAlexander, GAlexopoulos, TAlhroob, MAlimonti, GAlio, LAlison, JAlkire, SPAllbrooke, BMMAllport, PPAloisio, AAlonso, AAlonso, FAlpigiani, CAltheimer, AAlvarez Gonzalez, BÁlvarez Piqueras, DAlviggi, MGAmadio, BTAmako, KAmaral Coutinho, YAmelung, CAmidei, DAmor Dos Santos, SPAmorim, AAmoroso, SAmram, NAmundsen, GAnastopoulos, CAncu, LSAndari, NAndeen, TAnders, CFAnders, GAnders, JKAnderson, KJAndreazza, AAndrei, VAngelidakis, SAngelozzi, IAnger, PAngerami, AAnghinolfi, FAnisenkov, AVAnjos, NAnnovi, AAntonelli, MAntonov, AAntos, JAnulli, FAoki, MAperio Bella, LArabidze, GArai, YAraque, JPArce, ATHArduh, FAArguin, J-FArgyropoulos, SArik, MArmbruster, AJArnaez, OArnal, VArnold, HArratia, MArslan, OArtamonov, A2015-09-01A search for Higgs boson pair production pp→hh$$pp \rightarrow hh$$ is performed with 19.5 fb-1$$^{-1}$$ of proton–proton collision data at s=8$$\sqrt{s}=8$$ TeV, which were recorded by the ATLAS detector at the Large Hadron Collider in 2012. The decay products of each Higgs boson are reconstructed as a high-momentum bb¯$$b\bar{b}$$ system with either a pair of small-radius jets or a single large-radius jet, the latter exploiting jet substructure techniques and associated b-tagged track-jets. No evidence for resonant or non-resonant Higgs boson pair production is observed. The data are interpreted in the context of the Randall–Sundrum model with a warped extra dimension as well as the two-Higgs-doublet model. An upper limit on the cross-section for pp→GKK∗→hh→bb¯bb¯$$pp\rightarrow G^{*}_{\mathrm {KK}} \rightarrow hh \rightarrow b\bar{b}b\bar{b} $$ of 3.2 (2.3) fb is set for a Kaluza–Klein graviton GKK∗$$G^{*}_{\mathrm {KK}}$$ mass of 1.0 (1.5) TeV, at the 95 % confidence level. The search for non-resonant Standard Model hh production sets an observed 95 % confidence level upper limit on the production cross-section σ(pp→hh→bb¯bb¯)$$\sigma (pp \rightarrow hh \rightarrow b\bar{b}b\bar{b})$$ of 202 fb, compared to a Standard Model prediction of σ(pp→hh→bb¯bb¯)=3.6±0.5$$\sigma (pp \rightarrow hh \rightarrow b\bar{b}b\bar{b}) = 3.6 \pm 0.5$$ fb.5106 Nuclear and Plasma Physics (for-2020)5107 Particle and High Energy Physics (for-2020)51 Physical Sciences (for-2020)ATLAS CollaborationATLAS CollaborationATLAS Collaborationhep-exhep-ex0202 AtomicMolecularNuclearParticle and Plasma Physics (for)0206 Quantum Physics (for)Nuclear & Particles Physics (science-metrix)5101 Astronomical sciences (for-2020)5102 Atomicmolecular and optical physics (for-2020)5107 Particle and high energy physics (for-2020)application/pdfCC-BYeScholarship, University of Californiahttps://escholarship.org/uc/item/6vd7k106https://escholarship.org/content/qt6vd7k106/qt6vd7k106.pdfinfo:doi/10.1140/epjc/s10052-015-3628-xarticleEuropean Physical Journal C, vol 75, iss 9412oai:escholarship.org:ark:/13030/qt13k0f7kk2026-04-04T07:58:44Zqt13k0f7kkSearch for production of WW/WZ resonances decaying to a lepton, neutrino and jets in pp collisions at s=8 TeV with the ATLAS detectorAad, GAbbott, BAbdallah, JAbdel Khalek, SAbdinov, OAben, RAbi, BAbolins, MAbouZeid, OSAbramowicz, HAbreu, HAbreu, RAbulaiti, YAcharya, BSAdamczyk, LAdams, DLAdelman, JAdomeit, SAdye, TAgatonovic-Jovin, TAguilar-Saavedra, JAAgustoni, MAhlen, SPAhmadov, FAielli, GAkerstedt, HÅkesson, TPAAkimoto, GAkimov, AVAlberghi, GLAlbert, JAlbrand, SAlconada Verzini, MJAleksa, MAleksandrov, INAlexa, CAlexander, GAlexandre, GAlexopoulos, TAlhroob, MAlimonti, GAlio, LAlison, JAllbrooke, BMMAllison, LJAllport, PPAloisio, AAlonso, AAlonso, FAlpigiani, CAltheimer, AAlvarez Gonzalez, BAlviggi, MGAmako, KAmaral Coutinho, YAmelung, CAmidei, DAmor Dos Santos, SPAmorim, AAmoroso, SAmram, NAmundsen, GAnastopoulos, CAncu, LSAndari, NAndeen, TAnders, CFAnders, GAnderson, KJAndreazza, AAndrei, VAnduaga, XSAngelidakis, SAngelozzi, IAnger, PAngerami, AAnghinolfi, FAnisenkov, AVAnjos, NAnnovi, AAntonelli, MAntonov, AAntos, JAnulli, FAoki, MAperio Bella, LArabidze, GArai, YAraque, JPArce, ATHArduh, FAArguin, J-FArgyropoulos, SArik, MArmbruster, AJArnaez, OArnal, VArnold, HArratia, MArslan, O2015-05-01A search is presented for narrow diboson resonances decaying to WW$$WW$$ or WZ$$WZ$$ in the final state where one W$$W$$ boson decays leptonically (to an electron or a muon plus a neutrino) and the other W/Z$$W/Z$$ boson decays hadronically. The analysis is performed using an integrated luminosity of 20.3 fb-1$$^{-1}$$ of pp$$pp$$ collisions at s=8$$\sqrt{s}=8$$ TeV collected by the ATLAS detector at the large hadron collider. No evidence for resonant diboson production is observed, and resonance masses below 700 and 1490 GeV are excluded at 95 % confidence level for the spin-2 Randall–Sundrum bulk graviton G∗$$G^*$$ with coupling constant of 1.0 and the extended gauge model W′$$W^\prime $$ boson respectively.5106 Nuclear and Plasma Physics (for-2020)5107 Particle and High Energy Physics (for-2020)51 Physical Sciences (for-2020)ATLAS Collaborationhep-exhep-ex0202 AtomicMolecularNuclearParticle and Plasma Physics (for)0206 Quantum Physics (for)Nuclear & Particles Physics (science-metrix)5101 Astronomical sciences (for-2020)5102 Atomicmolecular and optical physics (for-2020)5107 Particle and high energy physics (for-2020)application/pdfCC-BYeScholarship, University of Californiahttps://escholarship.org/uc/item/13k0f7kkhttps://escholarship.org/content/qt13k0f7kk/qt13k0f7kk.pdfinfo:doi/10.1140/epjc/s10052-015-3425-6articleEuropean Physical Journal C, vol 75, iss 5209oai:escholarship.org:ark:/13030/qt1871q3kk2026-04-04T07:58:31Zqt1871q3kkMeasurement of the top-quark mass in the fully hadronic decay channel from ATLAS data at s=7TeVAad, GAbbott, BAbdallah, JKhalek, S AbdelAbdinov, OAben, RAbi, BAbolins, MAbouZeid, OSAbramowicz, HAbreu, HAbreu, RAbulaiti, YAcharya, BSAdamczyk, LAdams, DLAdelman, JAdomeit, SAdye, TAgatonovic-Jovin, TAguilar-Saavedra, JAAgustoni, MAhlen, SPAhmadov, FAielli, GAkerstedt, HÅkesson, TPAAkimoto, GAkimov, AVAlberghi, GLAlbert, JAlbrand, SVerzini, MJ AlconadaAleksa, MAleksandrov, INAlexa, CAlexander, GAlexandre, GAlexopoulos, TAlhroob, MAlimonti, GAlio, LAlison, JAllbrooke, BMMAllison, LJAllport, PPAlmond, JAloisio, AAlonso, AAlonso, FAlpigiani, CAltheimer, AGonzalez, B AlvarezAlviggi, MGAmako, KCoutinho, Y AmaralAmelung, CAmidei, DDos Santos, SP AmorAmorim, AAmoroso, SAmram, NAmundsen, GAnastopoulos, CAncu, LSAndari, NAndeen, TAnders, CFAnders, GAnderson, KJAndreazza, AAndrei, VAnduaga, XSAngelidakis, SAngelozzi, IAnger, PAngerami, AAnghinolfi, FAnisenkov, AVAnjos, NAnnovi, AAntonaki, AAntonelli, MAntonov, AAntos, JAnulli, FAoki, MBella, L AperioApolle, RArabidze, GAracena, IArai, YAraque, JPArce, ATHArguin, J-FArgyropoulos, SArik, MArmbruster, AJArnaez, OArnal, V2015-04-01The mass of the top quark is measured in a data set corresponding to 4.6 [Formula: see text] of proton-proton collisions with centre-of-mass energy [Formula: see text] TeV collected by the ATLAS detector at the LHC. Events consistent with hadronic decays of top-antitop quark pairs with at least six jets in the final state are selected. The substantial background from multijet production is modelled with data-driven methods that utilise the number of identified [Formula: see text]-quark jets and the transverse momentum of the sixth leading jet, which have minimal correlation. The top-quark mass is obtained from template fits to the ratio of three-jet to dijet mass. The three-jet mass is calculated from the three jets produced in a top-quark decay. Using these three jets the dijet mass is obtained from the two jets produced in the [Formula: see text] boson decay. The top-quark mass obtained from this fit is thus less sensitive to the uncertainty in the energy measurement of the jets. A binned likelihood fit yields a top-quark mass of [Formula: see text].5106 Nuclear and Plasma Physics (for-2020)5107 Particle and High Energy Physics (for-2020)51 Physical Sciences (for-2020)ATLAS CollaborationATLAS CollaborationATLASFully hadronicLHCProton–proton collisionsTop quarkTop-quark masshep-exhep-ex0202 AtomicMolecularNuclearParticle and Plasma Physics (for)0206 Quantum Physics (for)Nuclear & Particles Physics (science-metrix)5101 Astronomical sciences (for-2020)5102 Atomicmolecular and optical physics (for-2020)5107 Particle and high energy physics (for-2020)application/pdfCC-BYeScholarship, University of Californiahttps://escholarship.org/uc/item/1871q3kkhttps://escholarship.org/content/qt1871q3kk/qt1871q3kk.pdfinfo:doi/10.1140/epjc/s10052-015-3373-1articleEuropean Physical Journal C, vol 75, iss 4158oai:escholarship.org:ark:/13030/qt20h2d97r2026-04-04T07:57:41Zqt20h2d97rSearch for light pseudoscalar boson pairs produced from decays of the 125 GeV Higgs boson in final states with two muons and two nearby tracks in pp collisions at s = 13 TeVSirunyan, AMTumasyan, AAdam, WAmbrogi, FAsilar, EBergauer, TBrandstetter, JDragicevic, MErö, JDel Valle, A EscalanteFlechl, MFrühwirth, RGhete, VMHrubec, JJeitler, MKrammer, NKrätschmer, ILiko, DMadlener, TMikulec, IRad, NRohringer, HSchieck, JSchöfbeck, RSpanring, MSpitzbart, DWaltenberger, WWittmann, JWulz, C-EZarucki, MChekhovsky, VMossolov, VGonzalez, J SuarezDe Wolf, EADi Croce, DJanssen, XLauwers, JLelek, APieters, MVan Haevermaet, HVan Mechelen, PVan Remortel, NBlekman, FD'Hondt, JDe Clercq, JDeroover, KFlouris, GLontkovskyi, DLowette, SMarchesini, IMoortgat, SMoreels, LPython, QSkovpen, KTavernier, SVan Doninck, WVan Mulders, PVan Parijs, IBeghin, DBilin, BBrun, HClerbaux, BDe Lentdecker, GDelannoy, HDorney, BFasanella, GFavart, LGrebenyuk, AKalsi, AKLuetic, JPopov, APostiau, NStarling, EThomas, LVander Velde, CVanlaer, PVannerom, DWang, QCornelis, TDobur, DFagot, AGul, MKhvastunov, IRoskas, CTrocino, DTytgat, MVerbeke, WVermassen, BVit, MZaganidis, NBondu, OBruno, GCaputo, CDavid, PDelaere, CDelcourt, MGiammanco, AKrintiras, GLemaitre, VMagitteri, A2020-01-01A search is presented for pairs of light pseudoscalar bosons, in the mass range from 4 to 15 GeV, produced from decays of the 125 GeV Higgs boson. The decay modes considered are final states that arise when one of the pseudoscalars decays to a pair of tau leptons, and the other one either into a pair of tau leptons or muons. The search is based on proton-proton collisions collected by the CMS experiment in 2016 at a center-of-mass energy of 13 TeV that correspond to an integrated luminosity of 35.9 fb − 1 . The 2 μ 2 τ and 4τ channels are used in combination to constrain the product of the Higgs boson production cross section and the branching fraction into 4τ final state, σ B , exploiting the linear dependence of the fermionic coupling strength of pseudoscalar bosons on the fermion mass. No significant excess is observed beyond the expectation from the standard model. The observed and expected upper limits at 95% confidence level on σ B , relative to the standard model Higgs boson production cross section, are set respectively between 0.022 and 0.23 and between 0.027 and 0.19 in the mass range probed by the analysis.5106 Nuclear and Plasma Physics (for-2020)5107 Particle and High Energy Physics (for-2020)51 Physical Sciences (for-2020)CMSPhysicsHiggs bosonNMSSM2HD+1Shep-exhep-ex0105 Mathematical Physics (for)0201 Astronomical and Space Sciences (for)0202 AtomicMolecularNuclearParticle and Plasma Physics (for)Nuclear & Particles Physics (science-metrix)49 Mathematical sciences (for-2020)51 Physical sciences (for-2020)application/pdfpubliceScholarship, University of Californiahttps://escholarship.org/uc/item/20h2d97rhttps://escholarship.org/content/qt20h2d97r/qt20h2d97r.pdfinfo:doi/10.1016/j.physletb.2019.135087articlePhysics Letters B, vol 800135087oai:escholarship.org:ark:/13030/qt80s617b22026-04-04T07:57:06Zqt80s617b2Search for heavy Majorana neutrinos in e±e±+ jets and e±μ±+ jets events in proton-proton collisions at s=8 TeVThe CMS collaborationKhachatryan, VSirunyan, AMTumasyan, AAdam, WAsilar, EBergauer, TBrandstetter, JBrondolin, EDragicevic, MErö, JFlechl, MFriedl, MFrühwirth, RGhete, VMHartl, CHörmann, NHrubec, JJeitler, MKönig, AKrammer, MKrätschmer, ILiko, DMatsushita, TMikulec, IRabady, DRad, NRahbaran, BRohringer, HSchieck, JSchöfbeck, RStrauss, JTreberer-Treberspurg, WWaltenberger, WWulz, C-EMossolov, VShumeiko, NSuarez Gonzalez, JAlderweireldt, SCornelis, TDe Wolf, EAJanssen, XKnutsson, ALauwers, JLuyckx, SVan De Klundert, MVan Haevermaet, HVan Mechelen, PVan Remortel, NVan Spilbeeck, AAbu Zeid, SBlekman, FD’Hondt, JDaci, NDe Bruyn, IDeroover, KHeracleous, NKeaveney, JLowette, SMoortgat, SMoreels, LOlbrechts, APython, QStrom, DTavernier, SVan Doninck, WVan Mulders, PVan Onsem, GPVan Parijs, IBrun, HCaillol, CClerbaux, BDe Lentdecker, GFasanella, GFavart, LGoldouzian, RGrebenyuk, AKarapostoli, GLenzi, TLéonard, AMaerschalk, TMarinov, APerniè, LRandle-conde, ASeva, TVander Velde, CVanlaer, PYonamine, RZenoni, FZhang, FBenucci, LCimmino, ACrucy, SDobur, DFagot, AGarcia, GGul, MMccartin, JOcampo Rios, AAPoyraz, D2016-04-01A search is performed for heavy Majorana neutrinos (N) decaying into a W boson and a lepton using the CMS detector at the Large Hadron Collider. A signature of two jets and either two same sign electrons or a same sign electron-muon pair is searched for using 19.7 fb−1 of data collected during 2012 in proton-proton collisions at a centre-of-mass energy of 8 TeV. The data are found to be consistent with the expected standard model (SM) background and, in the context of a Type-1 seesaw mechanism, upper limits are set on the cross section times branching fraction for production of heavy Majorana neutrinos in the mass range between 40 and 500 GeV. The results are additionally interpreted as limits on the mixing between the heavy Majorana neutrinos and the SM neutrinos. In the mass range considered, the upper limits range between 0.00015–0.72 for |VeN|2 and 6.6 × 10−5−0.47 for |VeNVμN∗|2/(|VeN|2 + |VμN|2), where VℓN is the mixing element describing the mixing of the heavy neutrino with the SM neutrino of flavour ℓ. These limits are the most restrictive direct limits for heavy Majorana neutrino masses above 200 GeV.5106 Nuclear and Plasma Physics (for-2020)5107 Particle and High Energy Physics (for-2020)51 Physical Sciences (for-2020)Beyond Standard ModelHadron-Hadron scattering (experiments)hep-exhep-ex0105 Mathematical Physics (for)0202 AtomicMolecularNuclearParticle and Plasma Physics (for)0206 Quantum Physics (for)Nuclear & Particles Physics (science-metrix)4902 Mathematical physics (for-2020)5106 Nuclear and plasma physics (for-2020)5107 Particle and high energy physics (for-2020)application/pdfpubliceScholarship, University of Californiahttps://escholarship.org/uc/item/80s617b2https://escholarship.org/content/qt80s617b2/qt80s617b2.pdfinfo:doi/10.1007/jhep04(2016)169articleJournal of High Energy Physics, vol 2016, iss 4169oai:escholarship.org:ark:/13030/qt9q2296rh2026-04-04T07:56:56Zqt9q2296rhMeasurement of the production cross section of a W boson in association with two b jets in pp collisions at s=8TeVKhachatryan, VSirunyan, AMTumasyan, AAdam, WAsilar, EBergauer, TBrandstetter, JBrondolin, EDragicevic, MErö, JFlechl, MFriedl, MFrühwirth, RGhete, VMHartl, CHörmann, NHrubec, JJeitler, MKönig, AKrätschmer, ILiko, DMatsushita, TMikulec, IRabady, DRad, NRahbaran, BRohringer, HSchieck, JStrauss, JTreberer-Treberspurg, WWaltenberger, WWulz, C-EMossolov, VShumeiko, NGonzalez, J SuarezAlderweireldt, SDe Wolf, EAJanssen, XLauwers, JVan De Klundert, MVan Haevermaet, HVan Mechelen, PVan Remortel, NVan Spilbeeck, AZeid, S AbuBlekman, FD’Hondt, JDaci, NDe Bruyn, IDeroover, KHeracleous, NLowette, SMoortgat, SMoreels, LOlbrechts, APython, QTavernier, SVan Doninck, WVan Mulders, PVan Parijs, IBrun, HCaillol, CClerbaux, BDe Lentdecker, GDelannoy, HFasanella, GFavart, LGoldouzian, RGrebenyuk, AKarapostoli, GLenzi, TLéonard, ALuetic, JMaerschalk, TMarinov, ARandle-conde, ASeva, TVelde, C VanderVanlaer, PYonamine, RZenoni, FZhang, FCimmino, ACornelis, TDobur, DFagot, AGarcia, GGul, MPoyraz, DSalva, SSchöfbeck, RTytgat, MVan Driessche, WYazgan, EZaganidis, NBakhshiansohi, HBeluffi, CBondu, OBrochet, SBruno, G2017-02-01The production cross section of a W boson in association with two b jets is measured using a sample of proton–proton collisions at s=8TeV$$\sqrt{s} = 8{\,\mathrm{{TeV}}} $$ collected by the CMS experiment at the CERN LHC. The data sample corresponds to an integrated luminosity of 19.8fb-1$$\,\text {fb}^\text {-1}$$. The W bosons are reconstructed via their leptonic decays, W→ℓν$$\mathrm {W}\rightarrow \ell
u $$, where ℓ=μ$$\ell =\mu $$ or e$$\mathrm {e}$$. The fiducial region studied contains exactly one lepton with transverse momentum pTℓ>30GeV$$p_{\mathrm {T}} ^{\ell }>30\,\mathrm{{GeV}} $$ and pseudorapidity |ηℓ|<2.1$$|\eta ^{\ell } |<2.1$$, with exactly two b jets with pT>25GeV$$p_{\mathrm {T}} >25\,\mathrm{{GeV}} $$ and |η|<2.4$$|\eta |<2.4$$ and no other jets with pT>25GeV$$p_{\mathrm {T}} >25\,\mathrm{{GeV}} $$ and |η|<4.7$$|\eta |<4.7$$. The cross section is measured to be σ(pp→W(ℓν)$$\sigma ( {{\mathrm {p}\mathrm {p}}} \rightarrow {\mathrm {W}} (\ell
u )$$+bb¯)=0.64±0.03(stat)±0.10(syst)±0.06(theo)±0.02(lumi)pb$${\mathrm{{b}}\mathrm{{\overline{b}}}})= 0.64 \pm 0.03{\,\mathrm{{(stat)}}} \pm 0.10{\,\mathrm{{(syst)}}} \pm 0.06{\,\mathrm{{(theo)}}} \pm 0.02{\,\mathrm{{(lumi)}}}\,{\text {pb}}$$, in agreement with standard model predictions.5106 Nuclear and Plasma Physics (for-2020)5107 Particle and High Energy Physics (for-2020)51 Physical Sciences (for-2020)CMS Collaborationhep-exhep-ex0202 AtomicMolecularNuclearParticle and Plasma Physics (for)0206 Quantum Physics (for)Nuclear & Particles Physics (science-metrix)5101 Astronomical sciences (for-2020)5102 Atomicmolecular and optical physics (for-2020)5107 Particle and high energy physics (for-2020)application/pdfpubliceScholarship, University of Californiahttps://escholarship.org/uc/item/9q2296rhhttps://escholarship.org/content/qt9q2296rh/qt9q2296rh.pdfinfo:doi/10.1140/epjc/s10052-016-4573-zarticleEuropean Physical Journal C, vol 77, iss 292oai:escholarship.org:ark:/13030/qt9mk4s55c2026-04-04T07:55:32Zqt9mk4s55cMeasurements of the tt¯ production cross section in lepton+jets final states in pp collisions at 8 TeV and ratio of 8 to 7 TeV cross sectionsKhachatryan, VSirunyan, AMTumasyan, AAdam, WAsilar, EBergauer, TBrandstetter, JBrondolin, EDragicevic, MErö, JFlechl, MFriedl, MFrühwirth, RGhete, VMHartl, CHörmann, NHrubec, JJeitler, MKnünz, VKönig, AKrammer, MKrätschmer, ILiko, DMatsushita, TMikulec, IRabady, DRahbaran, BRohringer, HSchieck, JSchöfbeck, RStrauss, JTreberer-Treberspurg, WWaltenberger, WWulz, C-EMossolov, VShumeiko, NSuarez Gonzalez, JAlderweireldt, SCornelis, TDe Wolf, EAJanssen, XKnutsson, ALauwers, JLuyckx, SVan De Klundert, MVan Haevermaet, HVan Mechelen, PVan Remortel, NVan Spilbeeck, AZeid, S AbuBlekman, FD’Hondt, JDaci, NDe Bruyn, IDeroover, KHeracleous, NKeaveney, JLowette, SMaes, MMoreels, LOlbrechts, APython, QStrom, DTavernier, SVan Doninck, WVan Mulders, PVan Onsem, GPVan Parijs, IBarria, PBrun, HCaillol, CClerbaux, BDe Lentdecker, GFasanella, GFavart, LGrebenyuk, AKarapostoli, GLenzi, TLéonard, AMaerschalk, TMarinov, APerniè, LRandle-conde, AReis, TSeva, TVelde, C VanderVanlaer, PYonamine, RZenoni, FZhang, FBeernaert, KBenucci, LCimmino, ACostantini, SCrucy, SDobur, DFagot, AGarcia, GGul, MMccartin, J2017-01-01A measurement of the top quark pair production (tt¯$$\mathrm{t}\overline{\mathrm{t}} $$) cross section in proton–proton collisions at the centre-of-mass energy of 8TeV$$\,\text {TeV}$$ is presented using data collected with the CMS detector at the LHC, corresponding to an integrated luminosity of 19.6fb-1$$\,\text {fb}^{-\text {1}}$$. This analysis is performed in the tt¯$$\mathrm{t}\overline{\mathrm{t}} $$ decay channels with one isolated, high transverse momentum electron or muon and at least four jets, at least one of which is required to be identified as originating from hadronization of a b quark. The calibration of the jet energy scale and the efficiency of b jet identification are determined from data. The measured tt¯$$\mathrm{t}\overline{\mathrm{t}} $$ cross section is 228.5±3.8(stat)±13.7(syst)±6.0(lumi) pb$$228.5 \pm 3.8\,\text {(stat)} \pm 13.7\,\text {(syst)} \pm 6.0\,\text {(lumi)} \text { pb} $$. This measurement is compared with an analysis of 7TeV$$\,\text {TeV}$$ data, corresponding to an integrated luminosity of 5.0fb-1$$\,\text {fb}^{-\text {1}}$$, to determine the ratio of 8TeV$$\,\text {TeV}$$ to 7TeV$$\,\text {TeV}$$ cross sections, which is found to be 1.43±0.04(stat)±0.07(syst)±0.05(lumi)$$1.43 \pm 0.04\,\text {(stat)} \pm 0.07\,\text {(syst)} \pm 0.05\,\text {(lumi)} $$. The measurements are in agreement with QCD predictions up to next-to-next-to-leading order.5106 Nuclear and Plasma Physics (for-2020)5107 Particle and High Energy Physics (for-2020)51 Physical Sciences (for-2020)7 Affordable and Clean Energy (sdg)ATLAS Collaborationhep-exhep-ex0202 AtomicMolecularNuclearParticle and Plasma Physics (for)0206 Quantum Physics (for)Nuclear & Particles Physics (science-metrix)5101 Astronomical sciences (for-2020)5102 Atomicmolecular and optical physics (for-2020)5107 Particle and high energy physics (for-2020)application/pdfpubliceScholarship, University of Californiahttps://escholarship.org/uc/item/9mk4s55chttps://escholarship.org/content/qt9mk4s55c/qt9mk4s55c.pdfinfo:doi/10.1140/epjc/s10052-016-4504-zarticleEuropean Physical Journal C, vol 77, iss 115oai:escholarship.org:ark:/13030/qt4w18x7tz2026-04-04T07:55:23Zqt4w18x7tzNovel genetic loci associated with hippocampal volumeHibar, Derrek PAdams, Hieab HHJahanshad, NedaChauhan, GaneshStein, Jason LHofer, EdithRenteria, Miguel EBis, Joshua CArias-Vasquez, AlejandroIkram, M KamranDesrivières, SylvaneVernooij, Meike WAbramovic, LucijaAlhusaini, SaudAmin, NajafAndersson, MicaelArfanakis, KonstantinosAribisala, Benjamin SArmstrong, Nicola JAthanasiu, LaviniaAxelsson, TomasBeecham, Ashley HBeiser, AlexaBernard, ManonBlanton, Susan HBohlken, Marc MBoks, Marco PBralten, JanitaBrickman, Adam MCarmichael, OwenChakravarty, M MallarChen, QiangChing, Christopher RKChouraki, VincentCuellar-Partida, GabrielCrivello, FabriceDen Braber, AnoukDoan, Nhat TrungEhrlich, StefanGiddaluru, SudheerGoldman, Aaron LGottesman, Rebecca FGrimm, OliverGriswold, Michael EGuadalupe, TulioGutman, Boris AHass, JohannaHaukvik, Unn KHoehn, DavidHolmes, Avram JHoogman, MartineJanowitz, DeborahJia, TianyeJørgensen, Kjetil NKarbalai, NazaninKasperaviciute, DaliaKim, SungeunKlein, MariekeKraemer, BerndLee, Phil HLiewald, David CMLopez, Lorna MLuciano, MichelleMacare, ChristineMarquand, Andre FMatarin, MarMather, Karen AMattheisen, ManuelMcKay, David RMilaneschi, YuriMuñoz Maniega, SusanaNho, KwangsikNugent, Allison CNyquist, PaulLoohuis, Loes M OldeOosterlaan, JaapPapmeyer, MartinaPirpamer, LukasPütz, BennoRamasamy, AdaikalavanRichards, Jennifer SRisacher, Shannon LRoiz-Santiañez, RobertoRommelse, NandaRopele, StefanRose, Emma JRoyle, Natalie ARundek, TatjanaSämann, Philipp GSaremi, ArvinSatizabal, Claudia LSchmaal, LianneSchork, Andrew JShen, LiShin, JeanShumskaya, ElenaSmith, Albert VSprooten, EmmaStrike, Lachlan TTeumer, Alexander2017-01-01The hippocampal formation is a brain structure integrally involved in episodic memory, spatial navigation, cognition and stress responsiveness. Structural abnormalities in hippocampal volume and shape are found in several common neuropsychiatric disorders. To identify the genetic underpinnings of hippocampal structure here we perform a genome-wide association study (GWAS) of 33,536 individuals and discover six independent loci significantly associated with hippocampal volume, four of them novel. Of the novel loci, three lie within genes (ASTN2, DPP4 and MAST4) and one is found 200 kb upstream of SHH. A hippocampal subfield analysis shows that a locus within the MSRB3 gene shows evidence of a localized effect along the dentate gyrus, subiculum, CA1 and fissure. Further, we show that genetic variants associated with decreased hippocampal volume are also associated with increased risk for Alzheimer’s disease (rg=−0.155). Our findings suggest novel biological pathways through which human genetic variation influences hippocampal volume and risk for neuropsychiatric illness.3214 Pharmacology and Pharmaceutical Sciences (for-2020)31 Biological Sciences (for-2020)32 Biomedical and Clinical Sciences (for-2020)3105 Genetics (for-2020)Dementia (rcdc)Acquired Cognitive Impairment (rcdc)Aging (rcdc)Mental Health (rcdc)Alzheimer's Disease (rcdc)Brain Disorders (rcdc)Genetics (rcdc)Human Genome (rcdc)Neurodegenerative (rcdc)Clinical Research (rcdc)Neurosciences (rcdc)Alzheimer's Disease including Alzheimer's Disease Related Dementias (AD/ADRD) (rcdc)Prevention (rcdc)2.1 Biological and endogenous factors (hrcs-rac)Mental health (hrcs-hc)Adolescent (mesh)Adult (mesh)Aged (mesh)Aged80 and over (mesh)Alzheimer Disease (mesh)Child (mesh)Cohort Studies (mesh)Dipeptidyl Peptidase 4 (mesh)Female (mesh)Genetic Loci (mesh)Genetic Predisposition to Disease (mesh)Genome-Wide Association Study (mesh)Glycoproteins (mesh)Hippocampus (mesh)Humans (mesh)Male (mesh)Methionine Sulfoxide Reductases (mesh)Microtubule-Associated Proteins (mesh)Middle Aged (mesh)Nerve Tissue Proteins (mesh)Organ Size (mesh)Protein Serine-Threonine Kinases (mesh)Young Adult (mesh)Hippocampus (mesh)Humans (mesh)Alzheimer Disease (mesh)Genetic Predisposition to Disease (mesh)Glycoproteins (mesh)Microtubule-Associated Proteins (mesh)Nerve Tissue Proteins (mesh)Organ Size (mesh)Cohort Studies (mesh)Adolescent (mesh)Adult (mesh)Aged (mesh)Aged80 and over (mesh)Middle Aged (mesh)Child (mesh)Female (mesh)Male (mesh)Genome-Wide Association Study (mesh)Young Adult (mesh)Methionine Sulfoxide Reductases (mesh)Genetic Loci (mesh)Dipeptidyl Peptidase 4 (mesh)Protein Serine-Threonine Kinases (mesh)Adolescent (mesh)Adult (mesh)Aged (mesh)Aged80 and over (mesh)Alzheimer Disease (mesh)Child (mesh)Cohort Studies (mesh)Dipeptidyl Peptidase 4 (mesh)Female (mesh)Genetic Loci (mesh)Genetic Predisposition to Disease (mesh)Genome-Wide Association Study (mesh)Glycoproteins (mesh)Hippocampus (mesh)Humans (mesh)Male (mesh)Methionine Sulfoxide Reductases (mesh)Microtubule-Associated Proteins (mesh)Middle Aged (mesh)Nerve Tissue Proteins (mesh)Organ Size (mesh)Protein Serine-Threonine Kinases (mesh)Young Adult (mesh)application/pdfCC-BYeScholarship, University of Californiahttps://escholarship.org/uc/item/4w18x7tzhttps://escholarship.org/content/qt4w18x7tz/qt4w18x7tz.pdfinfo:doi/10.1038/ncomms13624articleNature Communications, vol 8, iss 113624oai:escholarship.org:ark:/13030/qt7tk8t1fx2026-04-04T07:55:01Zqt7tk8t1fxSearch for massive WH resonances decaying into the ℓνbb¯ final state at s=8TeVKhachatryan, VSirunyan, AMTumasyan, AAdam, WAsilar, EBergauer, TBrandstetter, JBrondolin, EDragicevic, MErö, JFlechl, MFriedl, MFrühwirth, RGhete, VMHartl, CHörmann, NHrubec, JJeitler, MKnünz, VKönig, AKrammer, MKrätschmer, ILiko, DMatsushita, TMikulec, IRabady, DRahbaran, BRohringer, HSchieck, JSchöfbeck, RStrauss, JTreberer-Treberspurg, WWaltenberger, WWulz, C-EMossolov, VShumeiko, NSuarez Gonzalez, JAlderweireldt, SCornelis, TDe Wolf, EAJanssen, XKnutsson, ALauwers, JLuyckx, SVan De Klundert, MVan Haevermaet, HVan Mechelen, PVan Remortel, NVan Spilbeeck, AAbu Zeid, SBlekman, FD’Hondt, JDaci, NDe Bruyn, IDeroover, KHeracleous, NKeaveney, JLowette, SMoreels, LOlbrechts, APython, QStrom, DTavernier, SVan Doninck, WVan Mulders, PVan Onsem, GPVan Parijs, IBarria, PBrun, HCaillol, CClerbaux, BDe Lentdecker, GFasanella, GFavart, LGrebenyuk, AKarapostoli, GLenzi, TLéonard, AMaerschalk, TMarinov, APerniè, LRandle-conde, AReis, TSeva, TVander Velde, CVanlaer, PYonamine, RZenoni, FZhang, FBeernaert, KBenucci, LCimmino, ACrucy, SDobur, DFagot, AGarcia, GGul, MMccartin, JOcampo Rios, AAPoyraz, D2016-05-01A search for a massive resonance W′$${\mathrm{W}^{\prime }}$$decaying into a W and a Higgs boson in the ℓνbb¯$$\ell
u \mathrm{b} \overline{\mathrm{b}} $$ (ℓ=e$$\ell = \mathrm {e}$$, μ$$\mu $$) final state is presented. Results are based on data corresponding to an integrated luminosity of 19.7fb-1$$\,\text {fb}^{{-1}}$$ of proton–proton collisions at s=8$$\sqrt{s}=8$$TeV$$~\text {TeV}$$, collected using the CMS detector at the LHC. For a high-mass (≳$$\gtrsim $$1TeV$$~\text {TeV}$$) resonance, the two bottom quarks coming from the Higgs boson decay are reconstructed as a single jet, which can be tagged by placing requirements on its substructure and flavour. Exclusion limits at 95 % confidence level are set on the production cross section of a narrow resonance decaying into WH, as a function of its mass. In the context of a little Higgs model, a lower limit on the W′$${\mathrm{W}^{\prime }}$$ mass of 1.4TeV$$~\text {TeV}$$ is set. In a heavy vector triplet model that mimics the properties of composite Higgs models, a lower limit on the W′$${\mathrm{W}^{\prime }}$$ mass of 1.5TeV$$~\text {TeV}$$ is set. In the context of this model, the results are combined with related searches to obtain a lower limit on the W′$${\mathrm{W}^{\prime }}$$ mass of 1.8TeV$$~\text {TeV}$$, the most restrictive to date for decays to a pair of standard model bosons.5106 Nuclear and Plasma Physics (for-2020)5107 Particle and High Energy Physics (for-2020)51 Physical Sciences (for-2020)CMS Collaborationhep-exhep-ex0202 AtomicMolecularNuclearParticle and Plasma Physics (for)0206 Quantum Physics (for)Nuclear & Particles Physics (science-metrix)5101 Astronomical sciences (for-2020)5102 Atomicmolecular and optical physics (for-2020)5107 Particle and high energy physics (for-2020)application/pdfpubliceScholarship, University of Californiahttps://escholarship.org/uc/item/7tk8t1fxhttps://escholarship.org/content/qt7tk8t1fx/qt7tk8t1fx.pdfinfo:doi/10.1140/epjc/s10052-016-4067-zarticleEuropean Physical Journal C, vol 76, iss 5237oai:escholarship.org:ark:/13030/qt25g603pm2026-04-04T07:50:11Zqt25g603pmSearch for new particles in events with a hadronically decaying W or Z boson and large missing transverse momentum at s = 13 TeV using the ATLAS detectorAad, GAakvaag, EAbbott, BAbdelhameed, SAbeling, KAbicht, NJAbidi, SHAboelela, MAboulhorma, AAbramowicz, HAbreu, HAbulaiti, YAcharya, BSAckermann, AAdam Bourdarios, CAdamczyk, LAddepalli, SVAddison, MJAdelman, JAdiguzel, AAdye, TAffolder, AAAfik, YAgaras, MNAgarwala, JAggarwal, AAgheorghiesei, CAhmadov, FAhmed, WSAhuja, SAi, XAielli, GAikot, AAit Tamlihat, MAitbenchikh, BAkbiyik, MÅkesson, TPAAkimov, AVAkiyama, DAkolkar, NNAktas, SAl Khoury, KAlberghi, GLAlbert, JAlbicocco, PAlbouy, GLAlderweireldt, SAlegria, ZLAleksa, MAleksandrov, INAlexa, CAlexopoulos, TAlfonsi, FAlgren, MAlhroob, MAli, BAli, HMJAli, SAlibocus, SWAliev, MAlimonti, GAlkakhi, WAllaire, CAllbrooke, BMMAllen, JFAllendes Flores, CAAllport, PPAloisio, AAlonso, FAlpigiani, CAlsolami, ZMKAlvarez Estevez, MAlvarez Fernandez, AAlves Cardoso, MAlviggi, MGAly, MAmaral Coutinho, YAmbler, AAmelung, CAmerl, MAmes, CGAmidei, DAmirie, KJAmor Dos Santos, SPAmos, KRAn, SAnaniev, VAnastopoulos, CAndeen, TAnders, JKAnderson, ACAndrean, SYAndreazza, AAngelidakis, SAngerami, AAnisenkov, AVAnnovi, AAntel, CAntipov, EAntonelli, M2024-01-01A search is presented for new particles produced in proton-proton collisions at a centre-of-mass energy of 13 TeV that result in final states comprising a massive vector (W or Z) boson that decays hadronically and large missing transverse momentum. The data sample was collected with the ATLAS experiment at the Large Hadron Collider from 2015 to 2018 and corresponds to an integrated luminosity of 140 fb−1. No significant excess over the Standard Model expectation is observed. Model-independent 95% confidence-level limits on the visible cross-section that range from 0.3 fb to 79.5 fb are obtained for non-Standard-Model processes. Exclusion limits are also presented for models with axion-like particles, for two-Higgs-doublet models with a pseudo-scalar mediator between the Standard Model and the dark sector, for the invisible decay of the Higgs boson and for pair-produced weakly interacting dark matter candidates.5106 Nuclear and Plasma Physics (for-2020)5107 Particle and High Energy Physics (for-2020)51 Physical Sciences (for-2020)Hadron-Hadron Scattering0105 Mathematical Physics (for)0202 AtomicMolecularNuclearParticle and Plasma Physics (for)0206 Quantum Physics (for)Nuclear & Particles Physics (science-metrix)4902 Mathematical physics (for-2020)5106 Nuclear and plasma physics (for-2020)5107 Particle and high energy physics (for-2020)application/pdfCC-BYeScholarship, University of Californiahttps://escholarship.org/uc/item/25g603pmhttps://escholarship.org/content/qt25g603pm/qt25g603pm.pdfinfo:doi/10.1007/jhep11(2024)126articleJournal of High Energy Physics, vol 2024, iss 11126oai:escholarship.org:ark:/13030/qt7wf1d8dm2026-04-04T07:41:30Zqt7wf1d8dmMeasurement of the tt¯γ production cross section in proton-proton collisions at s=8 TeV with the ATLAS detectorThe ATLAS collaborationAaboud, MAad, GAbbott, BAbdinov, OAbeloos, BAbidi, SHAbouZeid, OSAbraham, NLAbramowicz, HAbreu, HAbreu, RAbulaiti, YAcharya, BSAdachi, SAdamczyk, LAdelman, JAdersberger, MAdye, TAffolder, AAAgatonovic-Jovin, TAgheorghiesei, CAguilar-Saavedra, JAAhlen, SPAhmadov, FAielli, GAkatsuka, SAkerstedt, HÅkesson, TPAAkilli, EAkimov, AVAlberghi, GLAlbert, JAlbicocco, PAlconada Verzini, MJAlderweireldt, SCAleksa, MAleksandrov, INAlexa, CAlexander, GAlexopoulos, TAlhroob, MAli, BAliev, MAlimonti, GAlison, JAlkire, SPAllbrooke, BMMAllen, BWAllport, PPAloisio, AAlonso, AAlonso, FAlpigiani, CAlshehri, AAAlstaty, MIAlvarez Gonzalez, BÁlvarez Piqueras, DAlviggi, MGAmadio, BTAmaral Coutinho, YAmelung, CAmidei, DAmor Dos Santos, SPAmorim, AAmoroso, SAmundsen, GAnastopoulos, CAncu, LSAndari, NAndeen, TAnders, CFAnders, JKAnderson, KJAndreazza, AAndrei, VAngelidakis, SAngelozzi, IAngerami, AAnisenkov, AVAnjos, NAnnovi, AAntel, CAntonelli, MAntonov, AAntrim, DJAnulli, FAoki, MAperio Bella, LArabidze, GArai, YAraque, JPAraujo Ferraz, VArce, ATHArdell, REArduh, FAArguin, J-FArgyropoulos, SArik, MArmbruster, AJ2017-11-01The cross section of a top-quark pair produced in association with a photon is measured in proton-proton collisions at a centre-of-mass energy of s=8$$ \sqrt{s}=8 $$ TeV with 20.2 fb−1 of data collected by the ATLAS detector at the Large Hadron Collider in 2012. The measurement is performed by selecting events that contain a photon with transverse momentum pT > 15 GeV, an isolated lepton with large transverse momentum, large missing transverse momentum, and at least four jets, where at least one is identified as originating from a b-quark. The production cross section is measured in a fiducial region close to the selection requirements. It is found to be 139 ± 7 (stat.) ± 17 (syst.) fb, in good agreement with the theoretical prediction at next-to-leading order of 151 ± 24 fb. In addition, differential cross sections in the fiducial region are measured as a function of the transverse momentum and pseudorapidity of the photon.5106 Nuclear and Plasma Physics (for-2020)5107 Particle and High Energy Physics (for-2020)51 Physical Sciences (for-2020)Hadron-Hadron scattering (experiments)Top physicshep-exhep-ex0105 Mathematical Physics (for)0202 AtomicMolecularNuclearParticle and Plasma Physics (for)0206 Quantum Physics (for)Nuclear & Particles Physics (science-metrix)4902 Mathematical physics (for-2020)5106 Nuclear and plasma physics (for-2020)5107 Particle and high energy physics (for-2020)application/pdfpubliceScholarship, University of Californiahttps://escholarship.org/uc/item/7wf1d8dmhttps://escholarship.org/content/qt7wf1d8dm/qt7wf1d8dm.pdfinfo:doi/10.1007/jhep11(2017)086articleJournal of High Energy Physics, vol 2017, iss 1186oai:escholarship.org:ark:/13030/qt2z0358cz2026-04-04T07:41:20Zqt2z0358czMeasurement of jet p T correlations in Pb+Pb and pp collisions at s NN = 2.76 TeV with the ATLAS detectorCollaboration, The ATLASAaboud, MAad, GAbbott, BAbdallah, JAbdinov, OAbeloos, BAbidi, SHAbouZeid, OSAbraham, NLAbramowicz, HAbreu, HAbreu, RAbulaiti, YAcharya, BSAdachi, SAdamczyk, LAdams, DLAdelman, JAdersberger, MAdye, TAffolder, AAAgatonovic-Jovin, TAgheorghiesei, CAguilar-Saavedra, JAAhlen, SPAhmadov, FAielli, GAkatsuka, SAkerstedt, HÅkesson, TPAAkimov, AVAlberghi, GLAlbert, JVerzini, MJ AlconadaAleksa, MAleksandrov, INAlexa, CAlexander, GAlexopoulos, TAlhroob, MAli, BAliev, MAlimonti, GAlison, JAlkire, SPAllbrooke, BMMAllen, BWAllport, PPAloisio, AAlonso, AAlonso, FAlpigiani, CAlshehri, AAAlstaty, MGonzalez, B AlvarezPiqueras, D ÁlvarezAlviggi, MGAmadio, BTCoutinho, Y AmaralAmelung, CAmidei, DDos Santos, SP AmorAmorim, AAmoroso, SAmundsen, GAnastopoulos, CAncu, LSAndari, NAndeen, TAnders, CFAnders, JKAnderson, KJAndreazza, AAndrei, VAngelidakis, SAngelozzi, IAngerami, AAnghinolfi, FAnisenkov, AVAnjos, NAnnovi, AAntel, CAntonelli, MAntonov, AAntrim, DJAnulli, FAoki, MBella, L AperioArabidze, GArai, YAraque, JPFerraz, V AraujoArce, ATHArdell, REArduh, FAArguin, J-FArgyropoulos, SArik, MArmbruster, AJ2017-11-01Measurements of dijet p T correlations in Pb + Pb and pp collisions at a nucleon–nucleon centre-of-mass energy of s NN = 2.76 TeV are presented. The measurements are performed with the ATLAS detector at the Large Hadron Collider using Pb + Pb and pp data samples corresponding to integrated luminosities of 0.14 nb − 1 and 4.0 pb − 1 , respectively. Jets are reconstructed using the anti- k t algorithm with radius parameter values R = 0.3 and R = 0.4 . A background subtraction procedure is applied to correct the jets for the large underlying event present in Pb + Pb collisions. The leading and sub-leading jet transverse momenta are denoted p T 1 and p T 2 . An unfolding procedure is applied to the two-dimensional ( p T 1 , p T 2 ) distributions to account for experimental effects in the measurement of both jets. Distributions of ( 1 / N ) d N / d x J , where x J = p T 2 / p T 1 , are presented as a function of p T 1 and collision centrality. The distributions are found to be similar in peripheral Pb + Pb collisions and pp collisions, but highly modified in central Pb + Pb collisions. Similar features are present in both the R = 0.3 and R = 0.4 results, indicating that the effects of the underlying event are properly accounted for in the measurement. The results are qualitatively consistent with expectations from partonic energy loss models.5106 Nuclear and Plasma Physics (for-2020)5107 Particle and High Energy Physics (for-2020)51 Physical Sciences (for-2020)hep-exhep-exnucl-ex0105 Mathematical Physics (for)0201 Astronomical and Space Sciences (for)0202 AtomicMolecularNuclearParticle and Plasma Physics (for)Nuclear & Particles Physics (science-metrix)49 Mathematical sciences (for-2020)51 Physical sciences (for-2020)application/pdfpubliceScholarship, University of Californiahttps://escholarship.org/uc/item/2z0358czhttps://escholarship.org/content/qt2z0358cz/qt2z0358cz.pdfinfo:doi/10.1016/j.physletb.2017.09.078articlePhysics Letters B, vol 774379 - 402oai:escholarship.org:ark:/13030/qt7j21x8xq2026-04-04T07:41:07Zqt7j21x8xqSearch for heavy resonances decaying to a W or Z boson and a Higgs boson in the q q ¯ ( ′ ) b b ¯ final state in pp collisions at s = 13 TeV with the ATLAS detectorCollaboration, The ATLASAaboud, MAad, GAbbott, BAbdinov, OAbeloos, BAbidi, SHAbouZeid, OSAbraham, NLAbramowicz, HAbreu, HAbreu, RAbulaiti, YAcharya, BSAdachi, SAdamczyk, LAdelman, JAdersberger, MAdye, TAffolder, AAAgatonovic-Jovin, TAgheorghiesei, CAguilar-Saavedra, JAAhlen, SPAhmadov, FAielli, GAkatsuka, SAkerstedt, HÅkesson, TPAAkilli, EAkimov, AVAlberghi, GLAlbert, JAlbicocco, PVerzini, MJ AlconadaAlderweireldt, SCAleksa, MAleksandrov, INAlexa, CAlexander, GAlexopoulos, TAlhroob, MAli, BAliev, MAlimonti, GAlison, JAlkire, SPAllbrooke, BMMAllen, BWAllport, PPAloisio, AAlonso, AAlonso, FAlpigiani, CAlshehri, AAAlstaty, MIGonzalez, B AlvarezPiqueras, D ÁlvarezAlviggi, MGAmadio, BTCoutinho, Y AmaralAmelung, CAmidei, DDos Santos, SP AmorAmorim, AAmoroso, SAmundsen, GAnastopoulos, CAncu, LSAndari, NAndeen, TAnders, CFAnders, JKAnderson, KJAndreazza, AAndrei, VAngelidakis, SAngelozzi, IAngerami, AAnisenkov, AVAnjos, NAnnovi, AAntel, CAntonelli, MAntonov, AAntrim, DJAnulli, FAoki, MBella, L AperioArabidze, GArai, YAraque, JPFerraz, V AraujoArce, ATHArdell, REArduh, FAArguin, J-FArgyropoulos, SArik, MArmbruster, AJ2017-11-01A search for heavy resonances decaying to a W or Z boson and a Higgs boson in the q q ¯ ( ′ ) b b ¯ final state is described. The search uses 36.1 fb − 1 of proton–proton collision data at s = 13 TeV collected by the ATLAS detector at the CERN Large Hadron Collider in 2015 and 2016. The data are in agreement with the Standard Model expectations, with the largest excess found at a resonance mass of 3.0 TeV with a local (global) significance of 3.3 (2.1) σ. The results are presented in terms of constraints on a simplified model with a heavy vector triplet. Upper limits are set on the production cross-section times branching ratio for resonances decaying to a W (Z) boson and a Higgs boson, itself decaying to b b ¯ , in the mass range between 1.1 and 3.8 TeV at 95% confidence level; the limits range between 83 and 1.6 fb (77 and 1.1 fb) at 95% confidence level.5106 Nuclear and Plasma Physics (for-2020)5107 Particle and High Energy Physics (for-2020)51 Physical Sciences (for-2020)hep-exhep-ex0105 Mathematical Physics (for)0201 Astronomical and Space Sciences (for)0202 AtomicMolecularNuclearParticle and Plasma Physics (for)Nuclear & Particles Physics (science-metrix)49 Mathematical sciences (for-2020)51 Physical sciences (for-2020)application/pdfpubliceScholarship, University of Californiahttps://escholarship.org/uc/item/7j21x8xqhttps://escholarship.org/content/qt7j21x8xq/qt7j21x8xq.pdfinfo:doi/10.1016/j.physletb.2017.09.066articlePhysics Letters B, vol 774494 - 515oai:escholarship.org:ark:/13030/qt4gj8m86g2026-04-04T07:40:54Zqt4gj8m86gSearch for new phenomena in a lepton plus high jet multiplicity final state with the ATLAS experiment using s=13 TeV proton-proton collision dataThe ATLAS collaborationAaboud, MAad, GAbbott, BAbdinov, OAbeloos, BAbidi, SHAbouZeid, OSAbraham, NLAbramowicz, HAbreu, HAbreu, RAbulaiti, YAcharya, BSAdachi, SAdamczyk, LAdelman, JAdersberger, MAdye, TAffolder, AAAgatonovic-Jovin, TAgheorghiesei, CAguilar-Saavedra, JAAhlen, SPAhmadov, FAielli, GAkatsuka, SAkerstedt, HÅkesson, TPAAkilli, EAkimov, AVAlberghi, GLAlbert, JAlbicocco, PVerzini, MJ AlconadaAleksa, MAleksandrov, INAlexa, CAlexander, GAlexopoulos, TAlhroob, MAli, BAliev, MAlimonti, GAlison, JAlkire, SPAllbrooke, BMMAllen, BWAllport, PPAloisio, AAlonso, AAlonso, FAlpigiani, CAlshehri, AAAlstaty, MGonzalez, B AlvarezPiqueras, D ÁlvarezAlviggi, MGAmadio, BTCoutinho, Y AmaralAmelung, CAmidei, DSantos, SP Amor DosAmorim, AAmoroso, SAmundsen, GAnastopoulos, CAncu, LSAndari, NAndeen, TAnders, CFAnders, JKAnderson, KJAndreazza, AAndrei, VAngelidakis, SAngelozzi, IAngerami, AAnisenkov, AVAnjos, NAnnovi, AAntel, CAntonelli, MAntonov, AAntrim, DJAnulli, FAoki, MBella, L AperioArabidze, GArai, YAraque, JPFerraz, V AraujoArce, ATHArdell, REArduh, FAArguin, J-FArgyropoulos, SArik, MArmbruster, AJArmitage, LJ2017-09-01A search for new phenomena in final states characterized by high jet multiplicity, an isolated lepton (electron or muon) and either zero or at least three b-tagged jets is presented. The search uses 36.1 fb−1 of s=13$$ \sqrt{s}=13 $$ TeV proton-proton collision data collected by the ATLAS experiment at the Large Hadron Collider in 2015 and 2016. The dominant sources of background are estimated using parameterized extrapolations, based on observables at medium jet multiplicity, to predict the b-tagged jet multiplicity distribution at the higher jet multiplicities used in the search. No significant excess over the Standard Model expectation is observed and 95% confidence-level limits are extracted constraining four simplified models of R-parity-violating supersymmetry that feature either gluino or top-squark pair production. The exclusion limits reach as high as 2.1 TeV in gluino mass and 1.2 TeV in top-squark mass in the models considered. In addition, an upper limit is set on the cross-section for Standard Model tt¯tt¯$$ t\overline{t}t\overline{t} $$ production of 60 fb (6.5 × the Standard Model prediction) at 95% confidence level. Finally, model-independent limits are set on the contribution from new phenomena to the signal-region yields.5106 Nuclear and Plasma Physics (for-2020)5107 Particle and High Energy Physics (for-2020)51 Physical Sciences (for-2020)Beyond Standard ModelHadron-Hadron scattering (experiments)hep-exhep-ex0105 Mathematical Physics (for)0202 AtomicMolecularNuclearParticle and Plasma Physics (for)0206 Quantum Physics (for)Nuclear & Particles Physics (science-metrix)4902 Mathematical physics (for-2020)5106 Nuclear and plasma physics (for-2020)5107 Particle and high energy physics (for-2020)application/pdfCC-BYeScholarship, University of Californiahttps://escholarship.org/uc/item/4gj8m86ghttps://escholarship.org/content/qt4gj8m86g/qt4gj8m86g.pdfinfo:doi/10.1007/jhep09(2017)088articleJournal of High Energy Physics, vol 2017, iss 988oai:escholarship.org:ark:/13030/qt2hg247mr2026-04-04T07:40:42Zqt2hg247mrSearch for dark matter produced in association with a hadronically decaying vector boson in pp collisions at s=13 TeV with the ATLAS detectorCollaboration, The ATLASAaboud, MAad, GAbbott, BAbdallah, JAbdinov, OAbeloos, BAben, RAbouZeid, OSAbraham, NLAbramowicz, HAbreu, HAbreu, RAbulaiti, YAcharya, BSAdachi, SAdamczyk, LAdams, DLAdelman, JAdomeit, SAdye, TAffolder, AAAgatonovic-Jovin, TAgricola, JAguilar-Saavedra, JAAhlen, SPAhmadov, FAielli, GAkerstedt, HÅkesson, TPAAkimov, AVAlberghi, GLAlbert, JAlbrand, SVerzini, MJ AlconadaAleksa, MAleksandrov, INAlexa, CAlexander, GAlexopoulos, TAlhroob, MAli, BAliev, MAlimonti, GAlison, JAlkire, SPAllbrooke, BMMAllen, BWAllport, PPAloisio, AAlonso, AAlonso, FAlpigiani, CAlshehri, AAAlstaty, MGonzalez, B AlvarezPiqueras, D ÁlvarezAlviggi, MGAmadio, BTAmako, KCoutinho, Y AmaralAmelung, CAmidei, DDos Santos, SP AmorAmorim, AAmoroso, SAmundsen, GAnastopoulos, CAncu, LSAndari, NAndeen, TAnders, CFAnders, GAnders, JKAnderson, KJAndreazza, AAndrei, VAngelidakis, SAngelozzi, IAnger, PAngerami, AAnghinolfi, FAnisenkov, AVAnjos, NAnnovi, AAntel, CAntonelli, MAntonov, AAnulli, FAoki, MBella, L AperioArabidze, GArai, YAraque, JPArce, ATHArduh, FAArguin, J-FArgyropoulos, SArik, MArmbruster, AJ2016-12-01A search is presented for dark matter produced in association with a hadronically decaying W or Z boson using 3.2 fb−1 of pp collisions at s=13 TeV recorded by the ATLAS detector at the Large Hadron Collider. Events with a hadronic jet compatible with a W or Z boson and with large missing transverse momentum are analysed. The data are consistent with the Standard Model predictions and are interpreted in terms of both an effective field theory and a simplified model containing dark matter.5106 Nuclear and Plasma Physics (for-2020)5107 Particle and High Energy Physics (for-2020)51 Physical Sciences (for-2020)hep-exhep-ex0105 Mathematical Physics (for)0201 Astronomical and Space Sciences (for)0202 AtomicMolecularNuclearParticle and Plasma Physics (for)Nuclear & Particles Physics (science-metrix)49 Mathematical sciences (for-2020)51 Physical sciences (for-2020)publiceScholarship, University of Californiahttps://escholarship.org/uc/item/2hg247mrinfo:doi/10.1016/j.physletb.2016.10.042articlePhysics Letters B, vol 763251 - 268oai:escholarship.org:ark:/13030/qt72t7x4vv2026-04-04T07:40:27Zqt72t7x4vvMeasurement of top quark pair differential cross sections in the dilepton channel in pp collisions at s=7 and 8 TeV with ATLASAaboud, MAad, GAbbott, BAbdallah, JAbdinov, OAbeloos, BAben, RAbouZeid, OSAbraham, NLAbramowicz, HAbreu, HAbreu, RAbulaiti, YAcharya, BSAdamczyk, LAdams, DLAdelman, JAdomeit, SAdye, TAffolder, AAAgatonovic-Jovin, TAgricola, JAguilar-Saavedra, JAAhlen, SPAhmadov, FAielli, GAkerstedt, HÅkesson, TPAAkimov, AVAlberghi, GLAlbert, JAlbrand, SVerzini, MJ AlconadaAleksa, MAleksandrov, INAlexa, CAlexander, GAlexopoulos, TAlhroob, MAli, BAliev, MAlimonti, GAlison, JAlkire, SPAllbrooke, BMMAllen, BWAllport, PPAloisio, AAlonso, AAlonso, FAlpigiani, CAlstaty, MGonzalez, B AlvarezPiqueras, D ÁlvarezAlviggi, MGAmadio, BTAmako, KCoutinho, Y AmaralAmelung, CAmidei, DDos Santos, SP AmorAmorim, AAmoroso, SAmundsen, GAnastopoulos, CAncu, LSAndari, NAndeen, TAnders, CFAnders, GAnders, JKAnderson, KJAndreazza, AAndrei, VAngelidakis, SAngelozzi, IAnger, PAngerami, AAnghinolfi, FAnisenkov, AVAnjos, NAnnovi, AAntel, CAntonelli, MAntonov, AAnulli, FAoki, MBella, L AperioArabidze, GArai, YAraque, JPArce, ATHArduh, FAArguin, J-FArgyropoulos, SArik, MArmbruster, AJArmitage, LJArnaez, OArnold, H2016-11-01Measurements of normalized differential cross sections of top quark pair (tt¯) production are presented as a function of the mass, the transverse momentum and the rapidity of the tt¯ system in proton-proton collisions at center-of-mass energies of s=7 and 8 TeV. The data set corresponds to an integrated luminosity of 4.6 fb-1 at 7 TeV and 20.2 fb-1 at 8 TeV, recorded with the ATLAS detector at the Large Hadron Collider. Events with top quark pair signatures are selected in the dilepton final state, requiring exactly two charged leptons and at least two jets with at least one of the jets identified as likely to contain a b hadron. The measured distributions are corrected for detector effects and selection efficiency to cross sections at the parton level. The differential cross sections are compared with different Monte Carlo generators and theoretical calculations of tt¯ production. The results are consistent with the majority of predictions in a wide kinematic range.5106 Nuclear and Plasma Physics (for-2020)5107 Particle and High Energy Physics (for-2020)51 Physical Sciences (for-2020)hep-exhep-exapplication/pdfpubliceScholarship, University of Californiahttps://escholarship.org/uc/item/72t7x4vvhttps://escholarship.org/content/qt72t7x4vv/qt72t7x4vv.pdfinfo:doi/10.1103/physrevd.94.092003articlePhysical Review D, vol 94, iss 9092003oai:escholarship.org:ark:/13030/qt4zd898k32026-04-04T07:40:14Zqt4zd898k3Search for the Standard Model Higgs boson produced by vector-boson fusion and decaying to bottom quarks in s=8 TeV pp collisions with the ATLAS detectorThe ATLAS collaborationAaboud, MAad, GAbbott, BAbdallah, JAbdinov, OAbeloos, BAben, RAbouZeid, OSAbraham, NLAbramowicz, HAbreu, HAbreu, RAbulaiti, YAcharya, BSAdamczyk, LAdams, DLAdelman, JAdomeit, SAdye, TAffolder, AAAgatonovic-Jovin, TAgricola, JAguilar-Saavedra, JAAhlen, SPAhmadov, FAielli, GAkerstedt, HÅkesson, TPAAkimov, AVAlberghi, GLAlbert, JAlbrand, SAlconada Verzini, MJAleksa, MAleksandrov, INAlexa, CAlexander, GAlexopoulos, TAlhroob, MAliev, MAlimonti, GAlison, JAlkire, SPAllbrooke, BMMAllen, BWAllport, PPAloisio, AAlonso, AAlonso, FAlpigiani, CAlstaty, MAlvarez Gonzalez, BÁlvarez Piqueras, DAlviggi, MGAmadio, BTAmako, KAmaral Coutinho, YAmelung, CAmidei, DAmor Dos Santos, SPAmorim, AAmoroso, SAmundsen, GAnastopoulos, CAncu, LSAndari, NAndeen, TAnders, CFAnders, GAnders, JKAnderson, KJAndreazza, AAndrei, VAngelidakis, SAngelozzi, IAnger, PAngerami, AAnghinolfi, FAnisenkov, AVAnjos, NAnnovi, AAntonelli, MAntonov, AAnulli, FAoki, MAperio Bella, LArabidze, GArai, YAraque, JPArce, ATHArduh, FAArguin, J-FArgyropoulos, SArik, MArmbruster, AJArmitage, LJArnaez, OArnold, HArratia, M2016-11-01A search with the ATLAS detector is presented for the Standard Model Higgs boson produced by vector-boson fusion and decaying to a pair of bottom quarks, using 20.2 fb−1 of LHC proton-proton collision data at s=8 TeV. The signal is searched for as a resonance in the invariant mass distribution of a pair of jets containing b-hadrons in vector-boson-fusion candidate events. The yield is measured to be −0.8 ± 2.3 times the Standard Model cross-section for a Higgs boson mass of 125 GeV. The upper limit on the cross-section times the branching ratio is found to be 4.4 times the Standard Model cross-section at the 95% confidence level, consistent with the expected limit value of 5.4 (5.7) in the background-only (Standard Model production) hypothesis.[Figure not available: see fulltext.]5106 Nuclear and Plasma Physics (for-2020)5107 Particle and High Energy Physics (for-2020)51 Physical Sciences (for-2020)Hadron-Hadron scattering (experiments)Higgs physicsproton-proton scatteringhep-exhep-ex0105 Mathematical Physics (for)0202 AtomicMolecularNuclearParticle and Plasma Physics (for)0206 Quantum Physics (for)Nuclear & Particles Physics (science-metrix)4902 Mathematical physics (for-2020)5106 Nuclear and plasma physics (for-2020)5107 Particle and high energy physics (for-2020)application/pdfCC-BYeScholarship, University of Californiahttps://escholarship.org/uc/item/4zd898k3https://escholarship.org/content/qt4zd898k3/qt4zd898k3.pdfinfo:doi/10.1007/jhep11(2016)112articleJournal of High Energy Physics, vol 2016, iss 11112oai:escholarship.org:ark:/13030/qt9p52d10t2026-04-04T07:40:01Zqt9p52d10tMeasurement of jet activity in top quark events using the eμ final state with two b-tagged jets in pp collisions at s=8 TeV with the ATLAS detectorThe ATLAS collaborationAaboud, MAad, GAbbott, BAbdallah, JAbdinov, OAbeloos, BAben, RAbouZeid, OSAbraham, NLAbramowicz, HAbreu, HAbreu, RAbulaiti, YAcharya, BSAdamczyk, LAdams, DLAdelman, JAdomeit, SAdye, TAffolder, AAAgatonovic-Jovin, TAgricola, JAguilar-Saavedra, JAAhlen, SPAhmadov, FAielli, GAkerstedt, HÅkesson, TPAAkimov, AVAlberghi, GLAlbert, JAlbrand, SAlconada Verzini, MJAleksa, MAleksandrov, INAlexa, CAlexander, GAlexopoulos, TAlhroob, MAli, BAliev, MAlimonti, GAlison, JAlkire, SPAllbrooke, BMMAllen, BWAllport, PPAloisio, AAlonso, AAlonso, FAlpigiani, CAlstaty, MAlvarez Gonzalez, BÁlvarez Piqueras, DAlviggi, MGAmadio, BTAmako, KAmaral Coutinho, YAmelung, CAmidei, DAmor Dos Santos, SPAmorim, AAmoroso, SAmundsen, GAnastopoulos, CAncu, LSAndari, NAndeen, TAnders, CFAnders, GAnders, JKAnderson, KJAndreazza, AAndrei, VAngelidakis, SAngelozzi, IAnger, PAngerami, AAnghinolfi, FAnisenkov, AVAnjos, NAnnovi, AAntel, CAntonelli, MAntonov, AAnulli, FAoki, MAperio Bella, LArabidze, GArai, YAraque, JPArce, ATHArduh, FAArguin, J-FArgyropoulos, SArik, MArmbruster, AJArmitage, LJArnaez, O2016-09-01Measurements of the jet activity in tt¯$$ t\overline{t} $$ events produced in proton-proton collisions at s=8$$ \sqrt{s}=8 $$ TeV are presented, using 20.3 fb−1 of data collected by the ATLAS experiment at the Large Hadron Collider. The events were selected in the dilepton eμ decay channel with two identified b-jets. The numbers of additional jets for various jet transverse momentum (pT) thresholds, and the normalised differential cross-sections as a function of pT for the five highest-pT additional jets, were measured in the jet pseudo-rapidity range |η| < 4.5. The gap fraction, the fraction of events which do not contain an additional jet in a central rapidity region, was measured for several rapidity intervals as a function of the minimum pT of a single jet or the scalar sum of pT of all additional jets. These fractions were also measured in different intervals of the invariant mass of the eμbb¯$$ e\mu b\overline{b} $$ system. All measurements were corrected for detector effects, and found to be mostly well-described by predictions from next-to-leading-order and leading-order tt¯$$ t\overline{t} $$ event generators with appropriate parameter choices. The results can be used to further optimise the parameters used in such generators.5106 Nuclear and Plasma Physics (for-2020)5107 Particle and High Energy Physics (for-2020)4902 Mathematical Physics (for-2020)49 Mathematical Sciences (for-2020)51 Physical Sciences (for-2020)Hadron-Hadron scattering (experiments)hep-exhep-ex0105 Mathematical Physics (for)0202 AtomicMolecularNuclearParticle and Plasma Physics (for)0206 Quantum Physics (for)Nuclear & Particles Physics (science-metrix)4902 Mathematical physics (for-2020)5106 Nuclear and plasma physics (for-2020)5107 Particle and high energy physics (for-2020)application/pdfCC-BYeScholarship, University of Californiahttps://escholarship.org/uc/item/9p52d10thttps://escholarship.org/content/qt9p52d10t/qt9p52d10t.pdfinfo:doi/10.1007/jhep09(2016)074articleJournal of High Energy Physics, vol 2016, iss 974oai:escholarship.org:ark:/13030/qt2b60f2wh2026-04-04T07:39:45Zqt2b60f2whSearch for new phenomena in final states with large jet multiplicities and missing transverse momentum with ATLAS using s=13 TeV proton–proton collisionsCollaboration, ATLASAad, GAbbott, BAbdallah, JAbdinov, OAbeloos, BAben, RAbolins, MAbouZeid, OSAbramowicz, HAbreu, HAbreu, RAbulaiti, YAcharya, BSAdamczyk, LAdams, DLAdelman, JAdomeit, SAdye, TAffolder, AAAgatonovic-Jovin, TAgricola, JAguilar-Saavedra, JAAhlen, SPAhmadov, FAielli, GAkerstedt, HÅkesson, TPAAkimov, AVAlberghi, GLAlbert, JAlbrand, SVerzini, MJ AlconadaAleksa, MAleksandrov, INAlexa, CAlexander, GAlexopoulos, TAlhroob, MAlimonti, GAlison, JAlkire, SPAllbrooke, BMMAllen, BWAllport, PPAloisio, AAlonso, AAlonso, FAlpigiani, CGonzalez, B AlvarezPiqueras, D ÁlvarezAlviggi, MGAmadio, BTAmako, KCoutinho, Y AmaralAmelung, CAmidei, DDos Santos, SP AmorAmorim, AAmoroso, SAmram, NAmundsen, GAnastopoulos, CAncu, LSAndari, NAndeen, TAnders, CFAnders, GAnders, JKAnderson, KJAndreazza, AAndrei, VAngelidakis, SAngelozzi, IAnger, PAngerami, AAnghinolfi, FAnisenkov, AVAnjos, NAnnovi, AAntonelli, MAntonov, AAntos, JAnulli, FAoki, MBella, L AperioArabidze, GArai, YAraque, JPArce, ATHArduh, FAArguin, J-FArgyropoulos, SArik, MArmbruster, AJArmitage, LJArnaez, OArnold, HArratia, MArslan, O2016-06-01Results are reported of a search for new phenomena, such as supersymmetric particle production, that could be observed in high-energy proton–proton collisions. Events with large numbers of jets, together with missing transverse momentum from unobserved particles, are selected. The data analysed were recorded by the ATLAS experiment during 2015 using the 13 TeV centre-of-mass proton–proton collisions at the Large Hadron Collider, and correspond to an integrated luminosity of 3.2 fb−1. The search selected events with various jet multiplicities from ≥7 to ≥10 jets, and with various b-jet multiplicity requirements to enhance sensitivity. No excess above Standard Model expectations is observed. The results are interpreted within two supersymmetry models, where gluino masses up to 1400 GeV are excluded at 95% confidence level, significantly extending previous limits.5106 Nuclear and Plasma Physics (for-2020)5107 Particle and High Energy Physics (for-2020)51 Physical Sciences (for-2020)hep-exhep-ex0105 Mathematical Physics (for)0201 Astronomical and Space Sciences (for)0202 AtomicMolecularNuclearParticle and Plasma Physics (for)Nuclear & Particles Physics (science-metrix)49 Mathematical sciences (for-2020)51 Physical sciences (for-2020)application/pdfCC-BYeScholarship, University of Californiahttps://escholarship.org/uc/item/2b60f2whhttps://escholarship.org/content/qt2b60f2wh/qt2b60f2wh.pdfinfo:doi/10.1016/j.physletb.2016.04.005articlePhysics Letters B, vol 757334 - 355oai:escholarship.org:ark:/13030/qt05g8g6dn2026-04-04T07:39:34Zqt05g8g6dnSearch for charged Higgs bosons in the H± → tb decay channel in pp collisions at s=8 TeV using the ATLAS detectorThe ATLAS collaborationAad, GAbbott, BAbdallah, JAbdinov, OAben, RAbolins, MAbouZeid, OSAbramowicz, HAbreu, HAbreu, RAbulaiti, YAcharya, BSAdamczyk, LAdams, DLAdelman, JAdomeit, SAdye, TAffolder, AAAgatonovic-Jovin, TAgricola, JAguilar-Saavedra, JAAhlen, SPAhmadov, FAielli, GAkerstedt, HÅkesson, TPAAkimov, AVAlberghi, GLAlbert, JAlbrand, SAlconada Verzini, MJAleksa, MAleksandrov, INAlexa, CAlexander, GAlexopoulos, TAlhroob, MAlimonti, GAlio, LAlison, JAlkire, SPAllbrooke, BMMAllport, PPAloisio, AAlonso, AAlonso, FAlpigiani, CAlvarez Gonzalez, BÁlvarez Piqueras, DAlviggi, MGAmadio, BTAmako, KAmaral Coutinho, YAmelung, CAmidei, DAmor Dos Santos, SPAmorim, AAmoroso, SAmram, NAmundsen, GAnastopoulos, CAncu, LSAndari, NAndeen, TAnders, CFAnders, GAnders, JKAnderson, KJAndreazza, AAndrei, VAngelidakis, SAngelozzi, IAnger, PAngerami, AAnghinolfi, FAnisenkov, AVAnjos, NAnnovi, AAntonelli, MAntonov, AAntos, JAnulli, FAoki, MAperio Bella, LArabidze, GArai, YAraque, JPArce, ATHArduh, FAArguin, J-FArgyropoulos, SArik, MArmbruster, AJArnaez, OArnold, HArratia, MArslan, OArtamonov, AArtoni, G2016-03-01Charged Higgs bosons heavier than the top quark and decaying via H± → tb are searched for in proton-proton collisions measured with the ATLAS experiment at s=8$$ \sqrt{s}=8 $$ TeV corresponding to an integrated luminosity of 20.3fb−1. The production of a charged Higgs boson in association with a top quark, gb → tH±, is explored in the mass range 200 to 600 GeV using multi-jet final states with one electron or muon. In order to separate the signal from the Standard Model background, analysis techniques combining several kinematic variables are employed. An excess of events above the background-only hypothesis is observed across a wide mass range, amounting to up to 2.4 standard deviations. Upper limits are set on the gb → tH± production cross section times the branching fraction BR(H± → tb). Additionally, the complementary s-channel production, qq′ → H±, is investigated through a reinterpretation of W′ → tb searches in ATLAS. Final states with one electron or muon are relevant for H± masses from 0.4 to 2.0 TeV, whereas the all-hadronic final state covers the range 1.5 to 3.0 TeV. In these search channels, no significant excesses from the predictions of the Standard Model are observed, and upper limits are placed on the qq′ → H± production cross section times the branching fraction BR(H± → tb).5106 Nuclear and Plasma Physics (for-2020)5107 Particle and High Energy Physics (for-2020)51 Physical Sciences (for-2020)Hadron-Hadron scatteringHiggs physicshep-exhep-ex0105 Mathematical Physics (for)0202 AtomicMolecularNuclearParticle and Plasma Physics (for)0206 Quantum Physics (for)Nuclear & Particles Physics (science-metrix)4902 Mathematical physics (for-2020)5106 Nuclear and plasma physics (for-2020)5107 Particle and high energy physics (for-2020)application/pdfCC-BYeScholarship, University of Californiahttps://escholarship.org/uc/item/05g8g6dnhttps://escholarship.org/content/qt05g8g6dn/qt05g8g6dn.pdfinfo:doi/10.1007/jhep03(2016)127articleJournal of High Energy Physics, vol 2016, iss 3127oai:escholarship.org:ark:/13030/qt0152j8962026-04-04T07:39:22Zqt0152j896Search for new phenomena with photon+jet events in proton-proton collisions at s=13 TeV with the ATLAS detectorThe ATLAS collaborationAad, GAbbott, BAbdallah, JAbdinov, OAbeloos, BAben, RAbolins, MAbouZeid, OSAbramowicz, HAbreu, HAbreu, RAbulaiti, YAcharya, BSAdamczyk, LAdams, DLAdelman, JAdomeit, SAdye, TAffolder, AAAgatonovic-Jovin, TAgricola, JAguilar-Saavedra, JAAhlen, SPAhmadov, FAielli, GAkerstedt, HÅkesson, TPAAkimov, AVAlberghi, GLAlbert, JAlbrand, SAlconada Verzini, MJAleksa, MAleksandrov, INAlexa, CAlexander, GAlexopoulos, TAlhroob, MAlimonti, GAlio, LAlison, JAlkire, SPAllbrooke, BMMAllen, BWAllport, PPAloisio, AAlonso, AAlonso, FAlpigiani, CAlvarez Gonzalez, BÁlvarez Piqueras, DAlviggi, MGAmadio, BTAmako, KAmaral Coutinho, YAmelung, CAmidei, DAmor Dos Santos, SPAmorim, AAmoroso, SAmram, NAmundsen, GAnastopoulos, CAncu, LSAndari, NAndeen, TAnders, CFAnders, GAnders, JKAnderson, KJAndreazza, AAndrei, VAngelidakis, SAngelozzi, IAnger, PAngerami, AAnghinolfi, FAnisenkov, AVAnjos, NAnnovi, AAntonelli, MAntonov, AAntos, JAnulli, FAoki, MAperio Bella, LArabidze, GArai, YAraque, JPArce, ATHArduh, FAArguin, J-FArgyropoulos, SArik, MArmbruster, AJArmitage, LJArnaez, OArnold, HArratia, M2016-03-01A search is performed for the production of high-mass resonances decaying into a photon and a jet in 3.2 fb−1 of proton-proton collisions at a centre-of-mass energy of s=13$$ \sqrt{s}=13 $$ TeV collected by the ATLAS detector at the Large Hadron Collider. Selected events have an isolated photon and a jet, each with transverse momentum above 150 GeV. No significant deviation of the γ+jet invariant mass distribution from the background-only hypothesis is found. Limits are set at 95% confidence level on the cross sections of generic Gaussian-shaped signals and of a few benchmark phenomena beyond the Standard Model: excited quarks with vector-like couplings to the Standard Model particles, and non-thermal quantum black holes in two models of extra spatial dimensions. The minimum excluded visible cross sections for Gaussian-shaped resonances with width-to-mass ratios of 2% decrease from about 6 fb for a mass of 1.5 TeV to about 0.8 fb for a mass of 5 TeV. The minimum excluded visible cross sections for Gaussian-shaped resonances with width-to-mass ratios of 15% decrease from about 50 fb for a mass of 1.5 TeV to about 1.0 fb for a mass of 5 TeV. Excited quarks are excluded below masses of 4.4 TeV, and non-thermal quantum black holes are excluded below masses of 3.8 (6.2) TeV for Randall-Sundrum (Arkani-Hamed-Dimopoulous-Dvali) models with one (six) extra dimensions.5106 Nuclear and Plasma Physics (for-2020)5107 Particle and High Energy Physics (for-2020)51 Physical Sciences (for-2020)hep-exhep-ex0105 Mathematical Physics (for)0202 AtomicMolecularNuclearParticle and Plasma Physics (for)0206 Quantum Physics (for)Nuclear & Particles Physics (science-metrix)4902 Mathematical physics (for-2020)5106 Nuclear and plasma physics (for-2020)5107 Particle and high energy physics (for-2020)application/pdfCC-BYeScholarship, University of Californiahttps://escholarship.org/uc/item/0152j896https://escholarship.org/content/qt0152j896/qt0152j896.pdfinfo:doi/10.1007/jhep03(2016)041articleJournal of High Energy Physics, vol 2016, iss 341oai:escholarship.org:ark:/13030/qt3w0164w82026-04-04T07:39:11Zqt3w0164w8Search for new phenomena in dijet mass and angular distributions from pp collisions at s=13 TeV with the ATLAS detectorCollaboration, ATLASAad, GAbbott, BAbdallah, JAbdinov, OAbeloos, BAben, RAbolins, MAbouZeid, OSAbramowicz, HAbreu, HAbreu, RAbulaiti, YAcharya, BSAdamczyk, LAdams, DLAdelman, JAdomeit, SAdye, TAffolder, AAAgatonovic-Jovin, TAgricola, JAguilar-Saavedra, JAAhlen, SPAhmadov, FAielli, GAkerstedt, HÅkesson, TPAAkimov, AVAlberghi, GLAlbert, JAlbrand, SVerzini, MJ AlconadaAleksa, MAleksandrov, INAlexa, CAlexander, GAlexopoulos, TAlhroob, MAlimonti, GAlio, LAlison, JAlkire, SPAllbrooke, BMMAllen, BWAllport, PPAloisio, AAlonso, AAlonso, FAlpigiani, CGonzalez, B AlvarezPiqueras, D ÁlvarezAlviggi, MGAmadio, BTAmako, KCoutinho, Y AmaralAmelung, CAmidei, DDos Santos, SP AmorAmorim, AAmoroso, SAmram, NAmundsen, GAnastopoulos, CAncu, LSAndari, NAndeen, TAnders, CFAnders, GAnders, JKAnderson, KJAndreazza, AAndrei, VAngelidakis, SAngelozzi, IAnger, PAngerami, AAnghinolfi, FAnisenkov, AVAnjos, NAnnovi, AAntonelli, MAntonov, AAntos, JAnulli, FAoki, MBella, L AperioArabidze, GArai, YAraque, JPArce, ATHArduh, FAArguin, J-FArgyropoulos, SArik, MArmbruster, AJArmitage, LJArnaez, OArnold, HArratia, M2016-03-01This Letter describes a model-agnostic search for pairs of jets (dijets) produced by resonant and non-resonant phenomena beyond the Standard Model in 3.6 fb−1 of proton–proton collisions with a centre-of-mass energy of s=13 TeV recorded by the ATLAS detector at the Large Hadron Collider. The distribution of the invariant mass of the two leading jets is examined for local excesses above a data-derived estimate of the smoothly falling prediction of the Standard Model. The data are also compared to a Monte Carlo simulation of Standard Model angular distributions derived from the rapidity of the two jets. No evidence of anomalous phenomena is observed in the data, which are used to exclude, at 95% CL, quantum black holes with threshold masses below 8.3 TeV, 8.1 TeV, or 5.1 TeV in three different benchmark scenarios; resonance masses below 5.2 TeV for excited quarks, 2.6 TeV in a W′ model, a range of masses starting from mZ′ =1.5 TeV and couplings from gq=0.2 in a Z′ model; and contact interactions with a compositeness scale below 12.0 TeV and 17.5 TeV respectively for destructive and constructive interference between the new interaction and QCD processes. These results significantly extend the ATLAS limits obtained from 8 TeV data. Gaussian-shaped contributions to the mass distribution are also excluded if the effective cross-section exceeds values ranging from approximately 50–300 fb for masses below 2 TeV to 2–20 fb for masses above 4 TeV.5106 Nuclear and Plasma Physics (for-2020)5107 Particle and High Energy Physics (for-2020)51 Physical Sciences (for-2020)hep-exhep-ex0105 Mathematical Physics (for)0201 Astronomical and Space Sciences (for)0202 AtomicMolecularNuclearParticle and Plasma Physics (for)Nuclear & Particles Physics (science-metrix)49 Mathematical sciences (for-2020)51 Physical sciences (for-2020)application/pdfCC-BYeScholarship, University of Californiahttps://escholarship.org/uc/item/3w0164w8https://escholarship.org/content/qt3w0164w8/qt3w0164w8.pdfinfo:doi/10.1016/j.physletb.2016.01.032articlePhysics Letters B, vol 754302 - 322oai:escholarship.org:ark:/13030/qt41g1712w2026-04-04T07:37:42Zqt41g1712wSearch for diphoton events with large missing transverse energy with 36 pb−1 of 7 TeV proton–proton collision data with the ATLAS detectorThe ATLAS CollaborationAad, GAbbott, BAbdallah, JAbdelalim, AAAbdesselam, AAbdinov, OAbi, BAbolins, MAbramowicz, HAbreu, HAcerbi, EAcharya, BSAdams, DLAddy, TNAdelman, JAderholz, MAdomeit, SAdragna, PAdye, TAefsky, SAguilar-Saavedra, JAAharrouche, MAhlen, SPAhles, FAhmad, AAhsan, MAielli, GAkdogan, TÅkesson, TPAAkimoto, GAkimov, AVAkiyama, AAlam, MSAlam, MAAlbert, JAlbrand, SAleksa, MAleksandrov, INAlessandria, FAlexa, CAlexander, GAlexandre, GAlexopoulos, TAlhroob, MAliev, MAlimonti, GAlison, JAliyev, MAllport, PPAllwood-Spiers, SEAlmond, JAloisio, AAlon, RAlonso, AAlviggi, MGAmako, KAmaral, PAmelung, CAmmosov, VVAmorim, AAmorós, GAmram, NAnastopoulos, CAndari, NAndeen, TAnders, CFAnderson, KJAndreazza, AAndrei, VAndrieux, M-LAnduaga, XSAngerami, AAnghinolfi, FAnjos, NAnnovi, AAntonaki, AAntonelli, MAntonov, AAntos, JAnulli, FAoun, SAperio Bella, LApolle, RArabidze, GAracena, IArai, YArce, ATHArchambault, JPArfaoui, SArguin, J-FArik, EArik, MArmbruster, AJArnaez, OArnault, CArtamonov, AArtoni, GArutinov, DAsai, S2011-10-01Making use of 36 pb−1 of proton–proton collision data at $$\sqrt{s} =7$$ TeV, the ATLAS Collaboration has performed a search for diphoton events with large missing transverse energy. Observing no excess of events above the Standard Model prediction, a 95% Confidence Level (CL) upper limit is set on the cross section for new physics of σ<0.38−0.65 pb in the context of a generalised model of gauge-mediated supersymmetry breaking (GGM) with a bino-like lightest neutralino, and of σ<0.18−0.23 pb in the context of a specific model with one universal extra dimension (UED). A 95% CL lower limit of 560 GeV, for bino masses above 50 GeV, is set on the GGM gluino mass, while a lower limit of 1/R>961 GeV is set on the UED compactification radius R. These limits provide the most stringent tests of these models to date.5106 Nuclear and Plasma Physics (for-2020)5107 Particle and High Energy Physics (for-2020)51 Physical Sciences (for-2020)hep-exhep-ex0202 AtomicMolecularNuclearParticle and Plasma Physics (for)0206 Quantum Physics (for)Nuclear & Particles Physics (science-metrix)5101 Astronomical sciences (for-2020)5102 Atomicmolecular and optical physics (for-2020)5107 Particle and high energy physics (for-2020)application/pdfCC-BYeScholarship, University of Californiahttps://escholarship.org/uc/item/41g1712whttps://escholarship.org/content/qt41g1712w/qt41g1712w.pdfinfo:doi/10.1140/epjc/s10052-011-1744-9articleEuropean Physical Journal C, vol 71, iss 101744oai:escholarship.org:ark:/13030/qt85p2r2nt2026-04-04T07:37:27Zqt85p2r2ntSearch for excited electrons and muons in TeV proton–proton collisions with the ATLAS detectorAad, GAbajyan, TAbbott, BAbdallah, JKhalek, S AbdelAbdinov, OAben, RAbi, BAbolins, MAbouZeid, OSAbramowicz, HAbreu, HAbulaiti, YAcharya, BSAdamczyk, LAdams, DLAddy, TNAdelman, JAdomeit, SAdye, TAefsky, SAgatonovic-Jovin, TAguilar-Saavedra, JAAgustoni, MAhlen, SPAhmad, AAhmadov, FAhsan, MAielli, GÅkesson, TPAAkimoto, GAkimov, AVAlam, MAAlbert, JAlbrand, SVerzini, MJ AlconadaAleksa, MAleksandrov, INAlessandria, FAlexa, CAlexander, GAlexandre, GAlexopoulos, TAlhroob, MAliev, MAlimonti, GAlio, LAlison, JAllbrooke, BMMAllison, LJAllport, PPAllwood-Spiers, SEAlmond, JAloisio, AAlon, RAlonso, AAlonso, FAltheimer, AGonzalez, B AlvarezAlviggi, MGAmako, KCoutinho, Y AmaralAmelung, CAmmosov, VVDos Santos, SP AmorAmorim, AAmoroso, SAmram, NAnastopoulos, CAncu, LSAndari, NAndeen, TAnders, CFAnders, GAnderson, KJAndreazza, AAndrei, VAnduaga, XSAngelidakis, SAnger, PAngerami, AAnghinolfi, FAnisenkov, AVAnjos, NAnnovi, AAntonaki, AAntonelli, MAntonov, AAntos, JAnulli, FAoki, MBella, L AperioApolle, RArabidze, GAracena, IArai, YArce, ATHArfaoui, SArguin, J-FArgyropoulos, S2013-09-01The ATLAS detector at the Large Hadron Collider is used to search for excited electrons and excited muons in the channel pp → ℓℓ* → ℓℓγ, assuming that excited leptons are produced via contact interactions. The analysis is based on 13 fb-1 of pp collisions at a centre-of-mass energy of 8 TeV. No evidence for excited leptons is found, and a limit is set at the 95% credibility level on the cross section times branching ratio as a function of the excited-lepton mass mℓ*. For mℓ* 0.8 TeV, the respective upper limits on σB(ℓ* → ℓγ) are 0.75 and 0.90 fb for the e* and μ* searches. Limits on σB are converted into lower bounds on the compositeness scale Λ. In the special case where Λ = m ℓ*, excited-electron and excited-muon masses below 2.2 TeV are excluded. © CERN 2013.5106 Nuclear and Plasma Physics (for-2020)5107 Particle and High Energy Physics (for-2020)51 Physical Sciences (for-2020)hep-exhep-ex02 Physical Sciences (for)Fluids & Plasmas (science-metrix)51 Physical sciences (for-2020)application/pdfCC-BYeScholarship, University of Californiahttps://escholarship.org/uc/item/85p2r2nthttps://escholarship.org/content/qt85p2r2nt/qt85p2r2nt.pdfinfo:doi/10.1088/1367-2630/15/9/093011articleNew Journal of Physics, vol 15, iss 9093011oai:escholarship.org:ark:/13030/qt30j9d8sf2026-04-04T07:36:18Zqt30j9d8sfMeasurement of the flavour composition of dijet events in pp collisions at with the ATLAS detectorThe ATLAS CollaborationAad, GAbajyan, TAbbott, BAbdallah, JAbdel Khalek, SAbdelalim, AAAbdinov, OAben, RAbi, BAbolins, MAbouZeid, OSAbramowicz, HAbreu, HAcerbi, EAcharya, BSAdamczyk, LAdams, DLAddy, TNAdelman, JAdomeit, SAdragna, PAdye, TAefsky, SAguilar-Saavedra, JAAgustoni, MAharrouche, MAhlen, SPAhles, FAhmad, AAhsan, MAielli, GAkdogan, TÅkesson, TPAAkimoto, GAkimov, AVAlam, MSAlam, MAAlbert, JAlbrand, SAleksa, MAleksandrov, INAlessandria, FAlexa, CAlexander, GAlexandre, GAlexopoulos, TAlhroob, MAliev, MAlimonti, GAlison, JAllbrooke, BMMAllport, PPAllwood-Spiers, SEAlmond, JAloisio, AAlon, RAlonso, AAlonso, FAlvarez Gonzalez, BAlviggi, MGAmako, KAmelung, CAmmosov, VVAmor Dos Santos, SPAmorim, AAmram, NAnastopoulos, CAncu, LSAndari, NAndeen, TAnders, CFAnders, GAnderson, KJAndreazza, AAndrei, VAndrieux, M-LAnduaga, XSAnger, PAngerami, AAnghinolfi, FAnisenkov, AAnjos, NAnnovi, AAntonaki, AAntonelli, MAntonov, AAntos, JAnulli, FAoki, MAoun, SAperio Bella, LApolle, RArabidze, GAracena, IArai, YArce, ATHArfaoui, SArguin, J-FArik, E2013-02-01This paper describes a measurement of the flavour composition of dijet events produced in pp collisions at $$\sqrt{s} =7\mbox {~TeV}$$ using the ATLAS detector. The measurement uses the full 2010 data sample, corresponding to an integrated luminosity of 39 pb−1. Six possible combinations of light, charm and bottom jets are identified in the dijet events, where the jet flavour is defined by the presence of bottom, charm or solely light flavour hadrons in the jet. Kinematic variables, based on the properties of displaced decay vertices and optimised for jet flavour identification, are used in a multidimensional template fit to measure the fractions of these dijet flavour states as functions of the leading jet transverse momentum in the range 40 GeV to 500 GeV and jet rapidity |y|<2.1. The fit results agree with the predictions of leading- and next-to-leading-order calculations, with the exception of the dijet fraction composed of bottom and light flavour jets, which is underestimated by all models at large transverse jet momenta. The ability to identify jets containing two b-hadrons, originating from e.g. gluon splitting, is demonstrated. The difference between bottom jet production rates in leading and subleading jets is consistent with the next-to-leading-order predictions.5106 Nuclear and Plasma Physics (for-2020)5107 Particle and High Energy Physics (for-2020)51 Physical Sciences (for-2020)hep-exhep-ex0202 AtomicMolecularNuclearParticle and Plasma Physics (for)0206 Quantum Physics (for)Nuclear & Particles Physics (science-metrix)5101 Astronomical sciences (for-2020)5102 Atomicmolecular and optical physics (for-2020)5107 Particle and high energy physics (for-2020)application/pdfCC-BYeScholarship, University of Californiahttps://escholarship.org/uc/item/30j9d8sfhttps://escholarship.org/content/qt30j9d8sf/qt30j9d8sf.pdfinfo:doi/10.1140/epjc/s10052-013-2301-5articleEuropean Physical Journal C, vol 73, iss 22301oai:escholarship.org:ark:/13030/qt646451082026-04-04T07:36:07Zqt64645108Measurements of top quark pair relative differential cross-sections with ATLAS in pp collisions atThe ATLAS CollaborationAad, GAbajyan, TAbbott, BAbdallah, JAbdel Khalek, SAbdelalim, AAAbdinov, OAben, RAbi, BAbolins, MAbouZeid, OSAbramowicz, HAbreu, HAcerbi, EAcharya, BSAdamczyk, LAdams, DLAddy, TNAdelman, JAdomeit, SAdragna, PAdye, TAefsky, SAguilar-Saavedra, JAAgustoni, MAharrouche, MAhlen, SPAhles, FAhmad, AAhsan, MAielli, GAkdogan, TÅkesson, TPAAkimoto, GAkimov, AVAlam, MSAlam, MAAlbert, JAlbrand, SAleksa, MAleksandrov, INAlessandria, FAlexa, CAlexander, GAlexandre, GAlexopoulos, TAlhroob, MAliev, MAlimonti, GAlison, JAllbrooke, BMMAllport, PPAllwood-Spiers, SEAlmond, JAloisio, AAlon, RAlonso, AAlonso, FAlvarez Gonzalez, BAlviggi, MGAmako, KAmelung, CAmmosov, VVAmorim, AAmram, NAnastopoulos, CAncu, LSAndari, NAndeen, TAnders, CFAnders, GAnderson, KJAndreazza, AAndrei, VAnduaga, XSAnger, PAngerami, AAnghinolfi, FAnisenkov, AAnjos, NAnnovi, AAntonaki, AAntonelli, MAntonov, AAntos, JAnulli, FAoki, MAoun, SAperio Bella, LApolle, RArabidze, GAracena, IArai, YArce, ATHArfaoui, SArguin, J-FArik, EArik, MArmbruster, AJ2013-01-01Measurements are presented of differential cross-sections for top quark pair production in pp collisions at $$\sqrt{s} = 7\ \mbox{TeV}$$ relative to the total inclusive top quark pair production cross-section. A data sample of 2.05 fb−1 recorded by the ATLAS detector at the Large Hadron Collider is used. Relative differential cross-sections are derived as a function of the invariant mass, the transverse momentum and the rapidity of the top quark pair system. Events are selected in the lepton (electron or muon) + jets channel. The background-subtracted differential distributions are corrected for detector effects, normalized to the total inclusive top quark pair production cross-section and compared to theoretical predictions. The measurement uncertainties range typically between 10 % and 20 % and are generally dominated by systematic effects. No significant deviations from the Standard Model expectations are observed.5106 Nuclear and Plasma Physics (for-2020)5107 Particle and High Energy Physics (for-2020)51 Physical Sciences (for-2020)hep-exhep-ex0202 AtomicMolecularNuclearParticle and Plasma Physics (for)0206 Quantum Physics (for)Nuclear & Particles Physics (science-metrix)5101 Astronomical sciences (for-2020)5102 Atomicmolecular and optical physics (for-2020)5107 Particle and high energy physics (for-2020)application/pdfCC-BYeScholarship, University of Californiahttps://escholarship.org/uc/item/64645108https://escholarship.org/content/qt64645108/qt64645108.pdfinfo:doi/10.1140/epjc/s10052-012-2261-1articleEuropean Physical Journal C, vol 73, iss 12261oai:escholarship.org:ark:/13030/qt1nr1h0tv2026-04-04T07:34:55Zqt1nr1h0tvSearch for Direct Top Squark Pair Production in Final States with One Isolated Lepton, Jets, and Missing Transverse Momentum in s=7 TeV pp Collisions Using 4.7 fb-1 of ATLAS DataAad, GAbajyan, TAbbott, BAbdallah, JKhalek, S AbdelAbdelalim, AAAbdinov, OAben, RAbi, BAbolins, MAbouZeid, OSAbramowicz, HAbreu, HAcharya, BSAdamczyk, LAdams, DLAddy, TNAdelman, JAdomeit, SAdragna, PAdye, TAefsky, SAguilar-Saavedra, JAAgustoni, MAharrouche, MAhlen, SPAhles, FAhmad, AAhsan, MAielli, GAkdogan, TÅkesson, TPAAkimoto, GAkimov, AVAlam, MSAlam, MAAlbert, JAlbrand, SAleksa, MAleksandrov, INAlessandria, FAlexa, CAlexander, GAlexandre, GAlexopoulos, TAlhroob, MAliev, MAlimonti, GAlison, JAllbrooke, BMMAllport, PPAllwood-Spiers, SEAlmond, JAloisio, AAlon, RAlonso, AAlonso, FAltheimer, ADGonzalez, B AlvarezAlviggi, MGAmako, KAmelung, CAmmosov, VVAmorim, AAmram, NAnastopoulos, CAncu, LSAndari, NAndeen, TAnders, CFAnders, GAnderson, KJAndreazza, AAndrei, VAnduaga, XSAnger, PAngerami, AAnghinolfi, FAnisenkov, AAnjos, NAnnovi, AAntonaki, AAntonelli, MAntonov, AAntos, JAnulli, FAoki, MAoun, SBella, L AperioApolle, RArabidze, GAracena, IArai, YArce, ATHArfaoui, SArguin, J-FArik, EArik, MArmbruster, AJArnaez, O2012-11-21A search is presented for direct top squark pair production in final states with one isolated electron or muon, jets, and missing transverse momentum in proton-proton collisions at sqrt[s] = 7 TeV. The measurement is based on 4.7 fb(-1) of data collected with the ATLAS detector at the LHC. Each top squark is assumed to decay to a top quark and the lightest supersymmetric particle (LSP). The data are found to be consistent with standard model expectations. Top squark masses between 230 GeV and 440 GeV are excluded with 95% confidence for massless LSPs, and top squark masses around 400 GeV are excluded for LSP masses up to 125 GeV.5106 Nuclear and Plasma Physics (for-2020)5107 Particle and High Energy Physics (for-2020)51 Physical Sciences (for-2020)ATLAS CollaborationATLAS CollaborationATLAS Collaborationhep-exhep-ex01 Mathematical Sciences (for)02 Physical Sciences (for)09 Engineering (for)General Physics (science-metrix)40 Engineering (for-2020)49 Mathematical sciences (for-2020)51 Physical sciences (for-2020)application/pdfCC-BYeScholarship, University of Californiahttps://escholarship.org/uc/item/1nr1h0tvhttps://escholarship.org/content/qt1nr1h0tv/qt1nr1h0tv.pdfinfo:doi/10.1103/physrevlett.109.211803articlePhysical Review Letters, vol 109, iss 21211803oai:escholarship.org:ark:/13030/qt6tg997r92026-04-04T07:33:43Zqt6tg997r9Measurement of the Azimuthal Angle Dependence of Inclusive Jet Yields in Pb+Pb Collisions at sNN=2.76 TeV with the ATLAS DetectorAad, GAbajyan, TAbbott, BAbdallah, JKhalek, S AbdelAbdinov, OAben, RAbi, BAbolins, MAbouZeid, OSAbramowicz, HAbreu, HAbulaiti, YAcharya, BSAdamczyk, LAdams, DLAddy, TNAdelman, JAdomeit, SAdye, TAefsky, SAgatonovic-Jovin, TAguilar-Saavedra, JAAgustoni, MAhlen, SPAhmad, AAhsan, MAielli, GÅkesson, TPAAkimoto, GAkimov, AVAlam, MAAlbert, JAlbrand, SVerzini, MJ AlconadaAleksa, MAleksandrov, INAlessandria, FAlexa, CAlexander, GAlexandre, GAlexopoulos, TAlhroob, MAliev, MAlimonti, GAlio, LAlison, JAllbrooke, BMMAllison, LJAllport, PPAllwood-Spiers, SEAlmond, JAloisio, AAlon, RAlonso, AAlonso, FAltheimer, AGonzalez, B AlvarezAlviggi, MGAmako, KCoutinho, Y AmaralAmelung, CAmmosov, VVDos Santos, SP AmorAmorim, AAmoroso, SAmram, NAnastopoulos, CAncu, LSAndari, NAndeen, TAnders, CFAnders, GAnderson, KJAndreazza, AAndrei, VAnduaga, XSAngelidakis, SAnger, PAngerami, AAnghinolfi, FAnisenkov, AVAnjos, NAnnovi, AAntonaki, AAntonelli, MAntonov, AAntos, JAnulli, FAoki, MBella, L AperioApolle, RArabidze, GAracena, IArai, YArce, ATHArfaoui, SArguin, J-FArgyropoulos, SArik, E2013-10-11Measurements of the variation of inclusive jet suppression as a function of relative azimuthal angle, Δφ, with respect to the elliptic event plane provide insight into the path-length dependence of jet quenching. ATLAS has measured the Δφ dependence of jet yields in 0.14 nb(-1) of √(s(NN))=2.76 TeV Pb+Pb collisions at the LHC for jet transverse momenta p(T)>45 GeV in different collision centrality bins using an underlying event subtraction procedure that accounts for elliptic flow. The variation of the jet yield with Δφ was characterized by the parameter, v(2)(jet), and the ratio of out-of-plane (Δφ~π/2) to in-plane (Δφ~0) yields. Nonzero v(2)(jet) values were measured in all centrality bins for p(T)<160 GeV. The jet yields are observed to vary by as much as 20% between in-plane and out-of-plane directions.5106 Nuclear and Plasma Physics (for-2020)5107 Particle and High Energy Physics (for-2020)51 Physical Sciences (for-2020)ATLAS CollaborationATLAS Collaborationhep-exhep-ex01 Mathematical Sciences (for)02 Physical Sciences (for)09 Engineering (for)General Physics (science-metrix)40 Engineering (for-2020)49 Mathematical sciences (for-2020)51 Physical sciences (for-2020)application/pdfCC-BYeScholarship, University of Californiahttps://escholarship.org/uc/item/6tg997r9https://escholarship.org/content/qt6tg997r9/qt6tg997r9.pdfinfo:doi/10.1103/physrevlett.111.152301articlePhysical Review Letters, vol 111, iss 15152301oai:escholarship.org:ark:/13030/qt3k01r8ws2026-04-04T07:30:30Zqt3k01r8wsProbing the Gluonic Structure of the Deuteron with J/ψ Photoproduction in d+Au Ultraperipheral CollisionsAbdallah, MSAboona, BEAdam, JAdamczyk, LAdams, JRAdkins, JKAgakishiev, GAggarwal, IAggarwal, MMAhammed, ZAitbaev, AAlekseev, IAnderson, DMAparin, AAschenauer, ECAshraf, MUAtetalla, FGAttri, AAverichev, GSBairathi, VBaker, WBall, JGBarish, KBehera, ABellwied, RBhagat, PBhasin, ABielcik, JBielcikova, JBordyuzhin, IGBrandenburg, JDBrandin, AVBunzarov, ICai, XZCaines, Hde la Barca Sánchez, M CalderónCebra, DChakaberia, IChaloupka, PChan, BKChang, F-HChang, ZChankova-Bunzarova, NChatterjee, AChattopadhyay, SChen, DChen, JChen, JHChen, XChen, ZCheng, JChoudhury, SChristie, WChu, XCrawford, HJCsanád, MDaugherity, MDedovich, TGDeppner, IMDerevschikov, AADhamija, ADi Carlo, LDidenko, LDixit, PDong, XDrachenberg, JLDuckworth, EDunlop, JCEngelage, JEppley, GEsumi, SEvdokimov, OEwigleben, AEyser, OFatemi, RFawzi, FMFazio, SFederic, PFedorisin, JFeng, CJFeng, YFinch, EFisyak, YFrancisco, AFu, CGagliardi, CAGalatyuk, TGeurts, FGhimire, NGibson, AGopal, KGou, XGrosnick, DGupta, AGuryn, WHamed, AHan, YHarabasz, SHarasty, MDHarris, JW2022-03-25Understanding gluon density distributions and how they are modified in nuclei are among the most important goals in nuclear physics. In recent years, diffractive vector meson production measured in ultraperipheral collisions (UPCs) at heavy-ion colliders has provided a new tool for probing the gluon density. In this Letter, we report the first measurement of J/ψ photoproduction off the deuteron in UPCs at the center-of-mass energy sqrt[s_{NN}]=200 GeV in d+Au collisions. The differential cross section as a function of momentum transfer -t is measured. In addition, data with a neutron tagged in the deuteron-going zero-degree calorimeter is investigated for the first time, which is found to be consistent with the expectation of incoherent diffractive scattering at low momentum transfer. Theoretical predictions based on the color glass condensate saturation model and the leading twist approximation nuclear shadowing model are compared with the data quantitatively. A better agreement with the saturation model has been observed. With the current measurement, the results are found to be directly sensitive to the gluon density distribution of the deuteron and the deuteron breakup process, which provides insights into the nuclear gluonic structure.5106 Nuclear and Plasma Physics (for-2020)5107 Particle and High Energy Physics (for-2020)5110 Synchrotrons and Accelerators (for-2020)51 Physical Sciences (for-2020)STAR Collaboration01 Mathematical Sciences (for)02 Physical Sciences (for)09 Engineering (for)General Physics (science-metrix)40 Engineering (for-2020)49 Mathematical sciences (for-2020)51 Physical sciences (for-2020)application/pdfpubliceScholarship, University of Californiahttps://escholarship.org/uc/item/3k01r8wshttps://escholarship.org/content/qt3k01r8ws/qt3k01r8ws.pdfinfo:doi/10.1103/physrevlett.128.122303articlePhysical Review Letters, vol 128, iss 12122303oai:escholarship.org:ark:/13030/qt660517p52026-04-04T07:28:23Zqt660517p5Topography and functional traits shape the distribution of key shrub plant functional types in low-Arctic tundraYang, DarylHantson, WouterDavidson, Kenneth JLamour, JulienMorrison, Bailey DSalmon, Verity GZhang, TianqiEly, Kim SMiller, Charles EHayes, Daniel JBaines, StephenRogers, AlistairSerbin, Shawn P2026-01-01The expansion of shrubs in the Arctic tundra fundamentally modifies land-atmosphere interactions. However, it remains unclear how shrub distribution and expansion differ across key species due to challenges with discriminating tundra plant species at regional scales. Here, we combined multi-scale, multi-platform remote sensing and in situ trait measurements to elucidate the distribution patterns and primary controls of two representative deciduous-tall-shrub (DTS) genera, Alnus and Salix, in low-Arctic tundra. We show that topographic features were a key control on DTSs, creating heterogeneous, but predictable distributions of Alnus and Salix fractional cover (fCover). Alnus was more tolerant of elevation and slope and was found on hilly uplands (slope >10°) within a specific elevational band (200-400 m above sea level [MSL]). In contrast, Salix occurred at lower elevations (50-300 m MSL) on gentler slopes (3-10°) and required adequate soil moisture associated with its profligate water use. We also show that niche differentiation between Alnus and Salix changed with patch size, where larger patches were more specialized in resource requirements than individual plants of Alnus and Salix. To understand what constrains the growth of DTSs at locations with low fCover, we developed environmental limiting factor models, which showed that topography limits the upper bound of Alnus and Salix fCover in 69.2% and 48.7% of the landscape, respectively. These findings highlight a critical need to better understand and represent topography-controlled processes and functional traits in regulating shrub distribution, as well as a need for more detailed species classification to predict shrubification in the Arctic.31 Biological Sciences (for-2020)3103 Ecology (for-2020)arcticshrubificationpatch dynamicsenvironmental limitsalderwillowalderarcticenvironmental limitspatch dynamicsshrubificationwillow0607 Plant Biology (for)3004 Crop and pasture production (for-2020)3108 Plant biology (for-2020)application/pdfCC-BYeScholarship, University of Californiahttps://escholarship.org/uc/item/660517p5https://escholarship.org/content/qt660517p5/qt660517p5.pdfinfo:doi/10.3389/fpls.2025.1724838articleFrontiers in Plant Science, vol 161724838oai:escholarship.org:ark:/13030/qt36q1s0ff2026-04-04T07:28:19Zqt36q1s0ffMulti-omics reveals nitrogen dynamics associated with soil microbial blooms during snowmeltSorensen, Patrick OKaraoz, UlasBeller, Harry RBill, MarkusBouskill, Nicholas JBanfied, Jillian FChu, Rosalie KHoyt, David WEder, ElizabethEloe-Fadrosh, EmileySharrar, AllisonTfaily, Malak MToyoda, JasonTolic, NikolaWang, ShiWong, Allison RWilliams, Kenneth HZhong, YangquanweiBrodie, Eoin L2026-01-27Snowmelt triggers a soil microbial bloom and crash that affects nitrogen (N) export in high-elevation watersheds. The mechanisms underlying these microbial dynamics are uncertain, making soil nitrogen processes difficult to predict as snowpack declines globally. Here, integration of genome-resolved metagenomics, metatranscriptomics and metabolomics in a high-elevation watershed revealed ecologically distinct soil microorganisms linked across the snowmelt time-period by their unique nitrogen cycling capacities. The molecular properties and transformations of dissolved organic N suggested that degradation or recycling of microbial biomass provided N for biosynthesis during the microbial bloom. Winter-adapted Bradyrhizobia spp. oxidized amino acids anaerobically and had the highest gene expression for denitrification during the microbial bloom. A pulse of nitrate was driven by spring-adapted Nitrososphaerales after snowmelt, but dissimilatory nitrate reduction to ammonia (DNRA) gene expression indicated significant nitrate retention potential. These findings inform our understanding of nitrogen cycling in environments sensitive to snowpack decline due to global change.3107 Microbiology (for-2020)31 Biological Sciences (for-2020)Genetics (rcdc)Bacteria (mesh)Bradyrhizobium (mesh)Nitrogen (mesh)Nitrogen Compounds (mesh)Soil Microbiology (mesh)Ecosystem (mesh)Biomass (mesh)Snow (mesh)Seasons (mesh)Metagenome (mesh)Climate Change (mesh)Nitrogen Cycle (mesh)Microbiota (mesh)Multiomics (mesh)Bacteria (mesh)Biomass (mesh)Bradyrhizobium (mesh)Climate Change (mesh)Metagenome (mesh)Microbiota (mesh)Nitrogen (mesh)Nitrogen Compounds (mesh)Nitrogen Cycle (mesh)Seasons (mesh)Snow (mesh)Soil Microbiology (mesh)Ecosystem (mesh)Multiomics (mesh)0605 Microbiology (for)1108 Medical Microbiology (for)3107 Microbiology (for-2020)application/pdfCC-BY-NC-NDeScholarship, University of Californiahttps://escholarship.org/uc/item/36q1s0ffhttps://escholarship.org/content/qt36q1s0ff/qt36q1s0ff.pdfinfo:doi/10.1038/s41564-025-02213-2articleNature Microbiology, vol 11, iss 21 - 16oai:escholarship.org:ark:/13030/qt14t010cc2026-04-04T07:24:43Zqt14t010ccEffect of nozzle curvature on supersonic gas jets used in laser–plasma accelerationZhou, OceanTsai, Hai-EnOstermayr, Tobias MFan-Chiang, Lionavan Tilborg, JeroenSchroeder, Carl BEsarey, EricGeddes, Cameron GR2021-09-01Supersonic gas jets produced by converging–diverging nozzles are commonly used as targets for laser–plasma acceleration (LPA) experiments. A major point of interest for these targets is the gas density at the region of interaction where the laser ionizes the gas plume to create a plasma, providing the acceleration structure. Tuning the density profiles at this interaction region is crucial to LPA optimization. A “flat-top” density profile is desired at the line of interaction to control laser propagation and high-energy electron acceleration, while a short high-density profile is often preferred for acceleration of lower-energy tightly focused laser–plasma interactions. A particular design parameter of interest is the curvature of the nozzle's diverging section. We examine three nozzle designs with different curvatures: the concave “bell,” straight conical, and convex “trumpet” nozzles. We demonstrate that for mm-scale axisymmetric nozzles that, at mm-scale distances from the nozzle exit, curvature significantly impacts shock formation and the resulting gas jet density field and, therefore, is an essential parameter in LPA gas jet design. We show that bell nozzles are able to produce focused regions of gas with higher densities. We find that the trumpet nozzle, similar to straight and bell nozzles, can produce flat-top profiles if optimized correctly and can produce flatter profiles at the cost of slightly wider edges. An optimization procedure for the trumpet nozzle is derived and compared to the straight nozzle optimization process. We present results for different nozzle designs from computational fluid dynamics simulations performed with the program ANSYS Fluent and verify them experimentally using neutral density interferometry.5106 Nuclear and Plasma Physics (for-2020)5109 Space Sciences (for-2020)51 Physical Sciences (for-2020)ATAP-2021 (c-lbnl-label)ATAP-GENERAL (c-lbnl-label)ATAP-BELLA Center (c-lbnl-label)0201 Astronomical and Space Sciences (for)0202 AtomicMolecularNuclearParticle and Plasma Physics (for)0203 Classical Physics (for)Fluids & Plasmas (science-metrix)5106 Nuclear and plasma physics (for-2020)5109 Space sciences (for-2020)application/pdfpubliceScholarship, University of Californiahttps://escholarship.org/uc/item/14t010cchttps://escholarship.org/content/qt14t010cc/qt14t010cc.pdfinfo:doi/10.1063/5.0058963articlePhysics of Plasmas, vol 28, iss 9093107oai:escholarship.org:ark:/13030/qt4958x4q02026-04-04T07:24:32Zqt4958x4q0Measurement of the production cross-section of a single top quark in association with a Z boson in proton–proton collisions at 13 TeV with the ATLAS detectorCollaboration, The ATLASAaboud, MAad, GAbbott, BAbdinov, OAbeloos, BAbidi, SHAbouZeid, OSAbraham, NLAbramowicz, HAbreu, HAbreu, RAbulaiti, YAcharya, BSAdachi, SAdamczyk, LAdelman, JAdersberger, MAdye, TAffolder, AAAfik, YAgatonovic-Jovin, TAgheorghiesei, CAguilar-Saavedra, JAAhlen, SPAhmadov, FAielli, GAkatsuka, SAkerstedt, HÅkesson, TPAAkilli, EAkimov, AVAlberghi, GLAlbert, JAlbicocco, PVerzini, MJ AlconadaAlderweireldt, SCAleksa, MAleksandrov, INAlexa, CAlexander, GAlexopoulos, TAlhroob, MAli, BAliev, MAlimonti, GAlison, JAlkire, SPAllbrooke, BMMAllen, BWAllport, PPAloisio, AAlonso, AAlonso, FAlpigiani, CAlshehri, AAAlstaty, MIGonzalez, B AlvarezPiqueras, D ÁlvarezAlviggi, MGAmadio, BTCoutinho, Y AmaralAmelung, CAmidei, DDos Santos, SP AmorAmoroso, SAmundsen, GAnastopoulos, CAncu, LSAndari, NAndeen, TAnders, CFAnders, JKAnderson, KJAndreazza, AAndrei, VAngelidakis, SAngelozzi, IAngerami, AAnisenkov, AVAnjos, NAnnovi, AAntel, CAntonelli, MAntonov, AAntrim, DJAnulli, FAoki, MBella, L AperioArabidze, GArai, YAraque, JPFerraz, V AraujoArce, ATHArdell, REArduh, FAArguin, J-FArgyropoulos, SArik, MArmbruster, AJ2018-05-01The production of a top quark in association with a Z boson is investigated. The proton–proton collision data collected by the ATLAS experiment at the LHC in 2015 and 2016 at a centre-of-mass energy of s = 13 TeV are used, corresponding to an integrated luminosity of 36.1 fb − 1 . Events containing three identified leptons (electrons and/or muons) and two jets, one of which is identified as a b-quark jet are selected. The major backgrounds are diboson, t t ¯ and Z + jets production. A neural network is used to improve the background rejection and extract the signal. The resulting significance is 4.2σ in the data and the expected significance is 5.4σ. The measured cross-section for tZq production is 600 ± 170 (stat.) ± 140 (syst.) fb .5106 Nuclear and Plasma Physics (for-2020)5107 Particle and High Energy Physics (for-2020)51 Physical Sciences (for-2020)0105 Mathematical Physics (for)0201 Astronomical and Space Sciences (for)0202 AtomicMolecularNuclearParticle and Plasma Physics (for)Nuclear & Particles Physics (science-metrix)49 Mathematical sciences (for-2020)51 Physical sciences (for-2020)publiceScholarship, University of Californiahttps://escholarship.org/uc/item/4958x4q0info:doi/10.1016/j.physletb.2018.03.023articlePhysics Letters B, vol 780557 - 577oai:escholarship.org:ark:/13030/qt97t9f5h42026-04-04T07:24:21Zqt97t9f5h4Measurement of the production cross section of three isolated photons in pp collisions at s = 8 TeV using the ATLAS detectorCollaboration, The ATLASAaboud, MAad, GAbbott, BAbdinov, OAbeloos, BAbidi, SHAbouZeid, OSAbraham, NLAbramowicz, HAbreu, HAbulaiti, YAcharya, BSAdachi, SAdamczyk, LAdelman, JAdersberger, MAdye, TAffolder, AAAfik, YAgheorghiesei, CAguilar-Saavedra, JAAhlen, SPAhmadov, FAielli, GAkatsuka, SÅkesson, TPAAkilli, EAkimov, AVAlberghi, GLAlbert, JAlbicocco, PVerzini, MJ AlconadaAlderweireldt, SAleksa, MAleksandrov, INAlexa, CAlexander, GAlexopoulos, TAlhroob, MAli, BAliev, MAlimonti, GAlison, JAlkire, SPAllaire, CAllbrooke, BMMAllen, BWAllport, PPAloisio, AAlonso, AAlonso, FAlpigiani, CAlshehri, AAAlstaty, MIGonzalez, B AlvarezPiqueras, D ÁlvarezAlviggi, MGAmadio, BTCoutinho, Y AmaralAmelung, CAmidei, DDos Santos, SP AmorAmoroso, SAnastopoulos, CAncu, LSAndari, NAndeen, TAnders, CFAnders, JKAnderson, KJAndreazza, AAndrei, VAngelidakis, SAngelozzi, IAngerami, AAnisenkov, AVAnnovi, AAntel, CAntonelli, MAntonov, AAntrim, DJAnulli, FAoki, MBella, L AperioArabidze, GArai, YAraque, JPFerraz, V AraujoArce, ATHArdell, REArduh, FAArguin, J-FArgyropoulos, SArmbruster, AJArmitage, LJArnaez, OArnold, HArratia, MArslan, O2018-06-01A measurement of the production of three isolated photons in proton–proton collisions at a centre-of-mass energy s = 8 TeV is reported. The results are based on an integrated luminosity of 20.2 fb−1 collected with the ATLAS detector at the LHC. The differential cross sections are measured as functions of the transverse energy of each photon, the difference in azimuthal angle and in pseudorapidity between pairs of photons, the invariant mass of pairs of photons, and the invariant mass of the triphoton system. A measurement of the inclusive fiducial cross section is also reported. Next-to-leading-order perturbative QCD predictions are compared to the cross-section measurements. The predictions underestimate the measurement of the inclusive fiducial cross section and the differential measurements at low photon transverse energies and invariant masses. They provide adequate descriptions of the measurements at high values of the photon transverse energies, invariant mass of pairs of photons, and invariant mass of the triphoton system.5106 Nuclear and Plasma Physics (for-2020)5107 Particle and High Energy Physics (for-2020)4902 Mathematical Physics (for-2020)49 Mathematical Sciences (for-2020)51 Physical Sciences (for-2020)Bioengineering (rcdc)hep-exhep-ex0105 Mathematical Physics (for)0201 Astronomical and Space Sciences (for)0202 AtomicMolecularNuclearParticle and Plasma Physics (for)Nuclear & Particles Physics (science-metrix)49 Mathematical sciences (for-2020)51 Physical sciences (for-2020)application/pdfpubliceScholarship, University of Californiahttps://escholarship.org/uc/item/97t9f5h4https://escholarship.org/content/qt97t9f5h4/qt97t9f5h4.pdfinfo:doi/10.1016/j.physletb.2018.03.057articlePhysics Letters B, vol 78155 - 76oai:escholarship.org:ark:/13030/qt8c27295m2026-04-04T07:23:53Zqt8c27295mSearch for additional heavy neutral Higgs and gauge bosons in the ditau final state produced in 36 fb−1 of pp collisions at s=13 TeV with the ATLAS detectorThe ATLAS collaborationAaboud, MAad, GAbbott, BAbdinov, OAbeloos, BAbidi, SHAbouZeid, OSAbraham, NLAbramowicz, HAbreu, HAbreu, RAbulaiti, YAcharya, BSAdachi, SAdamczyk, LAdelman, JAdersberger, MAdye, TAffolder, AAAfik, YAgatonovic-Jovin, TAgheorghiesei, CAguilar-Saavedra, JAAhlen, SPAhmadov, FAielli, GAkatsuka, SAkerstedt, HÅkesson, TPAAkilli, EAkimov, AVAlberghi, GLAlbert, JAlbicocco, PAlconada Verzini, MJAlderweireldt, SCAleksa, MAleksandrov, INAlexa, CAlexander, GAlexopoulos, TAlhroob, MAli, BAliev, MAlimonti, GAlison, JAlkire, SPAllbrooke, BMMAllen, BWAllport, PPAloisio, AAlonso, AAlonso, FAlpigiani, CAlshehri, AAAlstaty, MIAlvarez Gonzalez, BÁlvarez Piqueras, DAlviggi, MGAmadio, BTAmaral Coutinho, YAmelung, CAmidei, DAmor Dos Santos, SPAmoroso, SAmundsen, GAnastopoulos, CAncu, LSAndari, NAndeen, TAnders, CFAnders, JKAnderson, KJAndreazza, AAndrei, VAngelidakis, SAngelozzi, IAngerami, AAnisenkov, AVAnjos, NAnnovi, AAntel, CAntonelli, MAntonov, AAntrim, DJAnulli, FAoki, MAperio Bella, LArabidze, GArai, YAraque, JPAraujo Ferraz, VArce, ATHArdell, REArduh, FAArguin, J-FArgyropoulos, SArik, MArmbruster, AJ2018-01-01A search for heavy neutral Higgs bosons and Z′ bosons is performed using a data sample corresponding to an integrated luminosity of 36.1 fb−1 from proton-proton collisions at s=13$$ \sqrt{s}=13 $$ TeV recorded by the ATLAS detector at the LHC during 2015 and 2016. The heavy resonance is assumed to decay to τ+τ− with at least one tau lepton decaying to final states with hadrons and a neutrino. The search is performed in the mass range of 0.2-2.25 TeV for Higgs bosons and 0.2-4.0 TeV for Z′ bosons. The data are in good agreement with the background predicted by the Standard Model. The results are interpreted in benchmark scenarios. In the context of the hMSSM scenario, the data exclude tan β > 1.0 for mA = 0.25 TeV and tan β > 42 for mA = 1.5 TeV at the 95% confidence level. For the Sequential Standard Model, ZSSM′ with mZ′ < 2.42 TeV is excluded at 95% confidence level, while ZNU′ with mZ ′ < 2.25 TeV is excluded for the non-universal G(221) model that exhibits enhanced couplings to third-generation fermions.5106 Nuclear and Plasma Physics (for-2020)5107 Particle and High Energy Physics (for-2020)51 Physical Sciences (for-2020)Beyond Standard ModelHadron-Hadron scattering (experiments)hep-exhep-ex0105 Mathematical Physics (for)0202 AtomicMolecularNuclearParticle and Plasma Physics (for)0206 Quantum Physics (for)Nuclear & Particles Physics (science-metrix)4902 Mathematical physics (for-2020)5106 Nuclear and plasma physics (for-2020)5107 Particle and high energy physics (for-2020)application/pdfpubliceScholarship, University of Californiahttps://escholarship.org/uc/item/8c27295mhttps://escholarship.org/content/qt8c27295m/qt8c27295m.pdfinfo:doi/10.1007/jhep01(2018)055articleJournal of High Energy Physics, vol 2018, iss 155oai:escholarship.org:ark:/13030/qt06c6c4qc2026-04-04T07:23:42Zqt06c6c4qcSearch for squarks and gluinos in events with an isolated lepton, jets, and missing transverse momentum at s=13 TeV with the ATLAS detectorAaboud, MAad, GAbbott, BAbdinov, OAbeloos, BAbidi, SHAbouZeid, OSAbraham, NLAbramowicz, HAbreu, HAbreu, RAbulaiti, YAcharya, BSAdachi, SAdamczyk, LAdelman, JAdersberger, MAdye, TAffolder, AAAgatonovic-Jovin, TAgheorghiesei, CAguilar-Saavedra, JAAhlen, SPAhmadov, FAielli, GAkatsuka, SAkerstedt, HÅkesson, TPAAkilli, EAkimov, AVAlberghi, GLAlbert, JAlbicocco, PVerzini, MJ AlconadaAlderweireldt, SCAleksa, MAleksandrov, INAlexa, CAlexander, GAlexopoulos, TAlhroob, MAli, BAliev, MAlimonti, GAlison, JAlkire, SPAllbrooke, BMMAllen, BWAllport, PPAloisio, AAlonso, AAlonso, FAlpigiani, CAlshehri, AAAlstaty, MIGonzalez, B AlvarezPiqueras, D ÁlvarezAlviggi, MGAmadio, BTCoutinho, Y AmaralAmelung, CAmidei, DDos Santos, SP AmorAmorim, AAmoroso, SAmundsen, GAnastopoulos, CAncu, LSAndari, NAndeen, TAnders, CFAnders, JKAnderson, KJAndreazza, AAndrei, VAngelidakis, SAngelozzi, IAngerami, AAnisenkov, AVAnjos, NAnnovi, AAntel, CAntonelli, MAntonov, AAntrim, DJAnulli, FAoki, MBella, L AperioArabidze, GArai, YAraque, JPFerraz, V AraujoArce, ATHArdell, REArduh, FAArguin, J-FArgyropoulos, SArik, MArmbruster, AJArmitage, LJ2017-12-01The results of a search for squarks and gluinos in final states with an isolated electron or muon, multiple jets and large missing transverse momentum using proton-proton collision data at a center-of-mass energy of s=13 TeV are presented. The data set used was recorded during 2015 and 2016 by the ATLAS experiment at the Large Hadron Collider and corresponds to an integrated luminosity of 36.1 fb-1. No significant excess beyond the expected background is found. Exclusion limits at 95% confidence level are set in a number of supersymmetric scenarios, reaching masses up to 2.1 TeV for gluino pair production and up to 1.25 TeV for squark pair production.5106 Nuclear and Plasma Physics (for-2020)5107 Particle and High Energy Physics (for-2020)51 Physical Sciences (for-2020)hep-exhep-exapplication/pdfpubliceScholarship, University of Californiahttps://escholarship.org/uc/item/06c6c4qchttps://escholarship.org/content/qt06c6c4qc/qt06c6c4qc.pdfinfo:doi/10.1103/physrevd.96.112010articlePhysical Review D, vol 96, iss 11112010oai:escholarship.org:ark:/13030/qt83z189vh2026-04-04T07:23:17Zqt83z189vhHigher-Calorie Refeeding in Anorexia Nervosa: 1-Year Outcomes From a Randomized Controlled TrialGolden, Neville HCheng, JingKapphahn, Cynthia JBuckelew, Sara MMachen, Vanessa IKreiter, AnnaAccurso, Erin CAdams, Sally HLe Grange, DanielMoscicki, Anna-BarbaraSy, Allyson FWilson, LeslieGarber, Andrea K2021-04-01BACKGROUND AND OBJECTIVES: We recently reported the short-term results of this trial revealing that higher-calorie refeeding (HCR) restored medical stability earlier, with no increase in safety events and significant savings associated with shorter length of stay, in comparison with lower-calorie refeeding (LCR) in hospitalized adolescents with anorexia nervosa. Here, we report the 1-year outcomes, including rates of clinical remission and rehospitalizations.
METHODS: In this multicenter, randomized controlled trial, eligible patients admitted for medical instability to 2 tertiary care eating disorder programs were randomly assigned to HCR (2000 kcals per day, increasing by 200 kcals per day) or LCR (1400 kcals per day, increasing by 200 kcals every other day) within 24 hours of admission and followed-up at 10 days and 1, 3, 6, and 12 months post discharge. Clinical remission at 12 months post discharge was defined as weight restoration (≥95% median BMI) plus psychological recovery. With generalized linear mixed effect models, we examined differences in clinical remission over time.
RESULTS: Of 120 enrollees, 111 were included in modified intent-to-treat analyses, 60 received HCR, and 51 received LCR. Clinical remission rates changed over time in both groups, with no evidence of significant group differences (P = .42). Medical rehospitalization rates within 1-year post discharge (32.8% [19 of 58] vs 35.4% [17 of 48], P = .84), number of rehospitalizations (2.4 [SD: 2.2] vs 2.0 [SD: 1.6]; P = .52), and total number of days rehospitalized (6.0 [SD: 14.8] vs 5.1 [SD: 10.3] days; P = .81) did not differ by HCR versus LCR.
CONCLUSIONS: The finding that clinical remission and medical rehospitalization did not differ over 1-year, in conjunction with the end-of-treatment outcomes, support the superior efficacy of HCR as compared with LCR.3213 Paediatrics (for-2020)32 Biomedical and Clinical Sciences (for-2020)Brain Disorders (rcdc)Nutrition (rcdc)Patient Safety (rcdc)Eating Disorders (rcdc)Mental Illness (rcdc)Behavioral and Social Science (rcdc)Clinical Trials and Supportive Activities (rcdc)Mental Health (rcdc)Comparative Effectiveness Research (rcdc)Serious Mental Illness (rcdc)Women's Health (rcdc)Clinical Research (rcdc)Anorexia (rcdc)6.1 Pharmaceuticals (hrcs-rac)Adolescent (mesh)Anorexia Nervosa (mesh)Energy Intake (mesh)Female (mesh)Follow-Up Studies (mesh)Humans (mesh)Male (mesh)Patient Readmission (mesh)Recurrence (mesh)Remission Induction (mesh)Humans (mesh)Recurrence (mesh)Patient Readmission (mesh)Remission Induction (mesh)Follow-Up Studies (mesh)Anorexia Nervosa (mesh)Energy Intake (mesh)Adolescent (mesh)Female (mesh)Male (mesh)Adolescent (mesh)Anorexia Nervosa (mesh)Energy Intake (mesh)Female (mesh)Follow-Up Studies (mesh)Humans (mesh)Male (mesh)Patient Readmission (mesh)Recurrence (mesh)Remission Induction (mesh)11 Medical and Health Sciences (for)17 Psychology and Cognitive Sciences (for)Pediatrics (science-metrix)32 Biomedical and clinical sciences (for-2020)42 Health sciences (for-2020)52 Psychology (for-2020)application/pdfpubliceScholarship, University of Californiahttps://escholarship.org/uc/item/83z189vhhttps://escholarship.org/content/qt83z189vh/qt83z189vh.pdfinfo:doi/10.1542/peds.2020-037135articlePEDIATRICS, vol 147, iss 4e2020037135oai:escholarship.org:ark:/13030/qt0gh1s0h52026-04-04T07:22:49Zqt0gh1s0h5Search for the Higgs boson decays H → ee and H → eμ in pp collisions at s = 13 TeV with the ATLAS detectorAad, GAbbott, BAbbott, DCAbud, A AbedAbeling, KAbhayasinghe, DKAbidi, SHAbouZeid, OSAbraham, NLAbramowicz, HAbreu, HAbulaiti, YAcharya, BSAchkar, BAdachi, SAdam, LBourdarios, C AdamAdamczyk, LAdamek, LAdelman, JAdersberger, MAdiguzel, AAdorni, SAdye, TAffolder, AAAfik, YAgapopoulou, CAgaras, MNAggarwal, AAgheorghiesei, CAguilar-Saavedra, JAAhmadov, FAhmed, WSAi, XAielli, GAkatsuka, SÅkesson, TPAAkilli, EAkimov, AVAl Khoury, KAlberghi, GLAlbert, JVerzini, MJ AlconadaAlderweireldt, SAleksa, MAleksandrov, INAlexa, CAlexopoulos, TAlfonsi, AAlfonsi, FAlhroob, MAli, BAliev, MAlimonti, GAlkire, SPAllaire, CAllbrooke, BMMAllen, BWAllport, PPAloisio, AAlonso, AAlonso, FAlpigiani, CAlshehri, AAEstevez, M AlvarezPiqueras, D ÁlvarezAlviggi, MGCoutinho, Y AmaralAmbler, AAmbroz, LAmelung, CAmidei, DDos Santos, SP AmorAmoroso, SAmrouche, CSAn, FAnastopoulos, CAndari, NAndeen, TAnders, CFAnders, JKAndreazza, AAndrei, VAnelli, CRAngelidakis, SAngerami, AAnisenkov, AVAnnovi, AAntel, CAnthony, MTAntipov, EAntonelli, MAntrim, DJAAnulli, FAoki, MPozo, JA AparisiBella, L AperioAraque, JPFerraz, V AraujoPereira, R Araujo2020-02-01Searches for the Higgs boson decays H → e e and H → e μ are performed using data corresponding to an integrated luminosity of 139 fb − 1 collected with the ATLAS detector in pp collisions at s = 13 TeV at the LHC. No significant signals are observed, in agreement with the Standard Model expectation. For a Higgs boson mass of 125 GeV, the observed (expected) upper limit at the 95% confidence level on the branching fraction B ( H → e e ) is 3.6 × 10 − 4 ( 3.5 × 10 − 4 ) and on B ( H → e μ ) is 6.2 × 10 − 5 ( 5.9 × 10 − 5 ). These results represent improvements by factors of about five and six on the previous best limits on B ( H → e e ) and B ( H → e μ ) respectively.5106 Nuclear and Plasma Physics (for-2020)5107 Particle and High Energy Physics (for-2020)51 Physical Sciences (for-2020)hep-exhep-ex0105 Mathematical Physics (for)0201 Astronomical and Space Sciences (for)0202 AtomicMolecularNuclearParticle and Plasma Physics (for)Nuclear & Particles Physics (science-metrix)49 Mathematical sciences (for-2020)51 Physical sciences (for-2020)application/pdfpubliceScholarship, University of Californiahttps://escholarship.org/uc/item/0gh1s0h5https://escholarship.org/content/qt0gh1s0h5/qt0gh1s0h5.pdfinfo:doi/10.1016/j.physletb.2019.135148articlePhysics Letters B, vol 801135148oai:escholarship.org:ark:/13030/qt9189j7bp2026-04-04T07:18:14Zqt9189j7bpATLAS CollaborationCollaboration, ATLASAaboud, MAad, GAbbott, BAbdinov, OAbeloos, BAbhayasinghe, DKAbidi, SHAbouZeid, OSAbraham, NLAbramowicz, HAbreu, HAbulaiti, YAcharya, BSAdachi, SAdam, LAdamczyk, LAdelman, JAdersberger, MAdiguzel, AAdye, TAffolder, AAAfik, YAgheorghiesei, CAguilar-Saavedra, JAAhmadov, FAielli, GAkatsuka, SÅkesson, TPAAkilli, EAkimov, AVAlberghi, GLAlbert, JAlbicocco, PVerzini, MJ AlconadaAlderweireldt, SAleksa, MAleksandrov, INAlexa, CAlexopoulos, TAlhroob, MAli, BAlimonti, GAlison, JAlkire, SPAllaire, CAllbrooke, BMMAllen, BWAllport, PPAloisio, AAlonso, AAlonso, FAlpigiani, CAlshehri, AAAlstaty, MIGonzalez, B AlvarezPiqueras, D ÁlvarezAlviggi, MGAmadio, BTCoutinho, Y AmaralAmbler, AAmbroz, LAmelung, CAmidei, DDos Santos, SP AmorAmoroso, SAmrouche, CSAnastopoulos, CAncu, LSAndari, NAndeen, TAnders, CFAnders, JKAnderson, KJAndreazza, AAndrei, VAnelli, CRAngelidakis, SAngelozzi, IAngerami, AAnisenkov, AVAnnovi, AAntel, CAnthony, MTAntonelli, MAntrim, DJAAnulli, FAoki, MPozo, JA AparisiBella, L AperioArabidze, GAraque, JPFerraz, V AraujoPereira, R AraujoArce, ATHArdell, REArduh, FAArguin, J-FArgyropoulos, SArmbruster, AJ2019-02-015106 Nuclear and Plasma Physics (for-2020)5107 Particle and High Energy Physics (for-2020)5101 Astronomical Sciences (for-2020)51 Physical Sciences (for-2020)0201 Astronomical and Space Sciences (for)0202 AtomicMolecularNuclearParticle and Plasma Physics (for)0206 Quantum Physics (for)Nuclear & Particles Physics (science-metrix)5101 Astronomical sciences (for-2020)5106 Nuclear and plasma physics (for-2020)5107 Particle and high energy physics (for-2020)CC-BY-NCeScholarship, University of Californiahttps://escholarship.org/uc/item/9189j7bpinfo:doi/10.1016/s0375-9474(18)30499-8articleNuclear Physics A, vol 982985 - 1009oai:escholarship.org:ark:/13030/qt6086001k2026-04-04T07:18:04Zqt6086001kProperties of g→bb¯ at small opening angles in pp collisions with the ATLAS detector at s=13 TeVAaboud, MAad, GAbbott, BAbbott, DCAbdinov, OAbeloos, BAbhayasinghe, DKAbidi, SHAbouZeid, OSAbraham, NLAbramowicz, HAbreu, HAbulaiti, YAcharya, BSAdachi, SAdam, LAdamczyk, LAdamek, LAdelman, JAdersberger, MAdiguzel, AAdye, TAffolder, AAAfik, YAgapopoulou, CAgheorghiesei, CAguilar-Saavedra, JAAhmadov, FAielli, GAkatsuka, SÅkesson, TPAAkilli, EAkimov, AVAlberghi, GLAlbert, JAlbicocco, PVerzini, MJ AlconadaAlderweireldt, SAleksa, MAleksandrov, INAlexa, CAlexandre, DAlexopoulos, TAlhroob, MAli, BAlimonti, GAlison, JAlkire, SPAllaire, CAllbrooke, BMMAllen, BWAllport, PPAloisio, AAlonso, AAlonso, FAlpigiani, CAlshehri, AAAlstaty, MIGonzalez, B AlvarezPiqueras, D ÁlvarezAlviggi, MGAmadio, BTCoutinho, Y AmaralAmbler, AAmbroz, LAmelung, CAmidei, DDos Santos, SP AmorAmoroso, SAmrouche, CSAn, FAnastopoulos, CAndari, NAndeen, TAnders, CFAnders, JKAndreazza, AAndrei, VAnelli, CRAngelidakis, SAngelozzi, IAngerami, AAnisenkov, AVAnnovi, AAntel, CAnthony, MTAntonelli, MAntrim, DJAAnulli, FAoki, MPozo, JA AparisiBella, L AperioArabidze, GAraque, JPFerraz, V AraujoPereira, R AraujoArce, ATHArduh, FAArguin, J-FArgyropoulos, S2019-03-01The fragmentation of high-energy gluons at small opening angles is largely unconstrained by present measurements. Gluon splitting to b-quark pairs is a unique probe into the properties of gluon fragmentation because identified b-tagged jets provide a proxy for the quark daughters of the initial gluon. In this study, key differential distributions related to the g→bb¯ process are measured using 33 fb-1 of s=13 TeV pp collision data recorded by the ATLAS experiment at the LHC in 2016. Jets constructed from charged-particle tracks, clustered with the anti-kt jet algorithm with radius parameter R=0.2, are used to probe angular scales below the R=0.4 jet radius. The observables are unfolded to particle level in order to facilitate direct comparisons with predictions from present and future simulations. Multiple significant differences are observed between the data and parton shower Monte Carlo predictions, providing input to improve these predictions of the main source of background events in analyses involving boosted Higgs bosons decaying into b-quarks.5106 Nuclear and Plasma Physics (for-2020)5107 Particle and High Energy Physics (for-2020)51 Physical Sciences (for-2020)hep-exhep-expubliceScholarship, University of Californiahttps://escholarship.org/uc/item/6086001kinfo:doi/10.1103/physrevd.99.052004articlePhysical Review D, vol 99, iss 5052004oai:escholarship.org:ark:/13030/qt6wv1736d2026-04-04T07:16:51Zqt6wv1736dSearch for squarks and gluinos in final states with jets and missing transverse momentum using 36 fb-1 of s=13 TeV pp collision data with the ATLAS detectorAaboud, MAad, GAbbott, BAbdinov, OAbeloos, BAbidi, SHAbouZeid, OSAbraham, NLAbramowicz, HAbreu, HAbreu, RAbulaiti, YAcharya, BSAdachi, SAdamczyk, LAdelman, JAdersberger, MAdye, TAffolder, AAAgatonovic-Jovin, TAgheorghiesei, CAguilar-Saavedra, JAAhlen, SPAhmadov, FAielli, GAkatsuka, SAkerstedt, HÅkesson, TPAAkilli, EAkimov, AVAlberghi, GLAlbert, JAlbicocco, PVerzini, MJ AlconadaAlderweireldt, SCAleksa, MAleksandrov, INAlexa, CAlexander, GAlexopoulos, TAlhroob, MAli, BAliev, MAlimonti, GAlison, JAlkire, SPAllbrooke, BMMAllen, BWAllport, PPAloisio, AAlonso, AAlonso, FAlpigiani, CAlshehri, AAAlstaty, MIGonzalez, B AlvarezPiqueras, D ÁlvarezAlviggi, MGAmadio, BTCoutinho, Y AmaralAmelung, CAmidei, DDos Santos, SP AmorAmorim, AAmoroso, SAmundsen, GAnastopoulos, CAncu, LSAndari, NAndeen, TAnders, CFAnders, JKAnderson, KJAndreazza, AAndrei, VAngelidakis, SAngelozzi, IAngerami, AAnisenkov, AVAnjos, NAnnovi, AAntel, CAntonelli, MAntonov, AAntrim, DJAnulli, FAoki, MBella, L AperioArabidze, GArai, YAraque, JPFerraz, V AraujoArce, ATHArdell, REArduh, FAArguin, J-FArgyropoulos, SArik, MArmbruster, AJArmitage, LJ2018-06-01A search for the supersymmetric partners of quarks and gluons (squarks and gluinos) in final states containing hadronic jets and missing transverse momentum, but no electrons or muons, is presented. The data used in this search were recorded in 2015 and 2016 by the ATLAS experiment in s=13 TeV proton-proton collisions at the Large Hadron Collider, corresponding to an integrated luminosity of 36.1 fb-1. The results are interpreted in the context of various models where squarks and gluinos are pair produced and the neutralino is the lightest supersymmetric particle. An exclusion limit at the 95% confidence level on the mass of the gluino is set at 2.03 TeV for a simplified model incorporating only a gluino and the lightest neutralino, assuming the lightest neutralino is massless. For a simplified model involving the strong production of mass-degenerate first- and second-generation squarks, squark masses below 1.55 TeV are excluded if the lightest neutralino is massless. These limits substantially extend the region of supersymmetric parameter space previously excluded by searches with the ATLAS detector.5106 Nuclear and Plasma Physics (for-2020)5107 Particle and High Energy Physics (for-2020)51 Physical Sciences (for-2020)hep-exhep-exapplication/pdfpubliceScholarship, University of Californiahttps://escholarship.org/uc/item/6wv1736dhttps://escholarship.org/content/qt6wv1736d/qt6wv1736d.pdfinfo:doi/10.1103/physrevd.97.112001articlePhysical Review D, vol 97, iss 11112001oai:escholarship.org:ark:/13030/qt8fz0q7bb2026-04-04T07:16:14Zqt8fz0q7bbSearch for new phenomena in high-mass final states with a photon and a jet from pp collisions at s = 13 TeV with the ATLAS detectorAaboud, MAad, GAbbott, BAbdinov, OAbeloos, BAbidi, SHAbouZeid, OSAbraham, NLAbramowicz, HAbreu, HAbreu, RAbulaiti, YAcharya, BSAdachi, SAdamczyk, LAdelman, JAdersberger, MAdye, TAffolder, AAAfik, YAgatonovic-Jovin, TAgheorghiesei, CAguilar-Saavedra, JAAhlen, SPAhmadov, FAielli, GAkatsuka, SAkerstedt, HÅkesson, TPAAkilli, EAkimov, AVAlberghi, GLAlbert, JAlbicocco, PAlconada Verzini, MJAlderweireldt, SCAleksa, MAleksandrov, INAlexa, CAlexander, GAlexopoulos, TAlhroob, MAli, BAliev, MAlimonti, GAlison, JAlkire, SPAllbrooke, BMMAllen, BWAllport, PPAloisio, AAlonso, AAlonso, FAlpigiani, CAlshehri, AAAlstaty, MIAlvarez Gonzalez, BÁlvarez Piqueras, DAlviggi, MGAmadio, BTAmaral Coutinho, YAmelung, CAmidei, DAmor Dos Santos, SPAmoroso, SAmundsen, GAnastopoulos, CAncu, LSAndari, NAndeen, TAnders, CFAnders, JKAnderson, KJAndreazza, AAndrei, VAngelidakis, SAngelozzi, IAngerami, AAnisenkov, AVAnjos, NAnnovi, AAntel, CAntonelli, MAntonov, AAntrim, DJAnulli, FAoki, MAperio Bella, LArabidze, GArai, YAraque, JPAraujo Ferraz, VArce, ATHArdell, REArduh, FAArguin, J-FArgyropoulos, SArik, MArmbruster, AJArmitage, LJ2018-02-01A search is performed for new phenomena in events having a photon with high transverse momentum and a jet collected in 36.7fb-1$$36.7~\text {fb}^{-1} $$ of proton–proton collisions at a centre-of-mass energy of s$$\sqrt{s}$$ = 13 TeV recorded with the ATLAS detector at the Large Hadron Collider. The invariant mass distribution of the leading photon and jet is examined to look for the resonant production of new particles or the presence of new high-mass states beyond the Standard Model. No significant deviation from the background-only hypothesis is observed and cross-section limits for generic Gaussian-shaped resonances are extracted. Excited quarks hypothesized in quark compositeness models and high-mass states predicted in quantum black hole models with extra dimensions are also examined in the analysis. The observed data exclude, at 95% confidence level, the mass range below 5.3 TeV for excited quarks and 7.1 TeV (4.4 TeV) for quantum black holes in the Arkani-Hamed–Dimopoulos–Dvali (Randall–Sundrum) model with six (one) extra dimensions.5106 Nuclear and Plasma Physics (for-2020)5107 Particle and High Energy Physics (for-2020)51 Physical Sciences (for-2020)ATLAS Collaborationhep-exhep-ex0202 AtomicMolecularNuclearParticle and Plasma Physics (for)0206 Quantum Physics (for)Nuclear & Particles Physics (science-metrix)5101 Astronomical sciences (for-2020)5102 Atomicmolecular and optical physics (for-2020)5107 Particle and high energy physics (for-2020)application/pdfpubliceScholarship, University of Californiahttps://escholarship.org/uc/item/8fz0q7bbhttps://escholarship.org/content/qt8fz0q7bb/qt8fz0q7bb.pdfinfo:doi/10.1140/epjc/s10052-018-5553-2articleEuropean Physical Journal C, vol 78, iss 2102oai:escholarship.org:ark:/13030/qt512678qp2026-04-04T07:12:53Zqt512678qpAuthor Correction: Study of 300,486 individuals identifies 148 independent genetic loci influencing general cognitive functionDavies, GailLam, MaxHarris, Sarah ETrampush, Joey WLuciano, MichelleHill, W DavidHagenaars, Saskia PRitchie, Stuart JMarioni, Riccardo EFawns-Ritchie, ChloeLiewald, David CMOkely, Judith AAhola-Olli, Ari VBarnes, Catriona LKBertram, LarsBis, Joshua CBurdick, Katherine EChristoforou, AndreaDeRosse, PamelaDjurovic, SrdjanEspeseth, ThomasGiakoumaki, StellaGiddaluru, SudheerGustavson, Daniel EHayward, CarolineHofer, EdithIkram, M ArfanKarlsson, RobertKnowles, EmmaLahti, JariLeber, MarkusLi, ShuoMather, Karen AMelle, IngridMorris, DerekOldmeadow, ChristopherPalviainen, TeemuPayton, AntonyPazoki, RahaPetrovic, KatjaReynolds, Chandra ASargurupremraj, MuralidharanScholz, MarkusSmith, Jennifer ASmith, Albert VTerzikhan, NatalieThalamuthu, AnbupalamTrompet, Stellavan der Lee, Sven JWare, Erin BWindham, B GwenWright, Margaret JYang, JingyunYu, JinAmes, DavidAmin, NajafAmouyel, PhilippeAndreassen, Ole AArmstrong, Nicola JAssareh, Amelia AAttia, John RAttix, DeborahAvramopoulos, DimitriosBennett, David ABöhmer, Anne CBoyle, Patricia ABrodaty, HenryCampbell, HarryCannon, Tyrone DCirulli, Elizabeth TCongdon, ElizaConley, Emily DrabantCorley, JanieCox, Simon RDale, Anders MDehghan, AbbasDick, DanielleDickinson, DwightEriksson, Johan GEvangelou, EvangelosFaul, Jessica DFord, IanFreimer, Nelson AGao, HeGiegling, InaGillespie, Nathan AGordon, Scott DGottesman, Rebecca FGriswold, Michael EGudnason, VilmundurHarris, Tamara BHartmann, Annette MHatzimanolis, AlexHeiss, GerardoHolliday, Elizabeth GJoshi, Peter KKähönen, MikaKardia, Sharon LRKarlsson, IdaKleineidam, Luca2019-01-01Christina M. Lill, who contributed to analysis of data, was inadvertently omitted from the author list in the originally published version of this article. This has now been corrected in both the PDF and HTML versions of the article.31 Biological Sciences (for-2020)32 Biomedical and Clinical Sciences (for-2020)3105 Genetics (for-2020)Genetics (rcdc)application/pdfCC-BYeScholarship, University of Californiahttps://escholarship.org/uc/item/512678qphttps://escholarship.org/content/qt512678qp/qt512678qp.pdfinfo:doi/10.1038/s41467-019-10160-warticleNature Communications, vol 10, iss 12068oai:escholarship.org:ark:/13030/qt33f159rs2026-04-04T07:12:34Zqt33f159rsStudy of ordered hadron chains with the ATLAS detectorAaboud, MAad, GAbbott, BAbdinov, OAbeloos, BAbidi, SHAbouZeid, OSAbraham, NLAbramowicz, HAbreu, HAbreu, RAbulaiti, YAcharya, BSAdachi, SAdamczyk, LAdelman, JAdersberger, MAdye, TAffolder, AAAfik, YAgatonovic-Jovin, TAgheorghiesei, CAguilar-Saavedra, JAAhlen, SPAhmadov, FAielli, GAkatsuka, SAkerstedt, HÅkesson, TPAAkilli, EAkimov, AVAlberghi, GLAlbert, JAlbicocco, PVerzini, MJ AlconadaAlderweireldt, SCAleksa, MAleksandrov, INAlexa, CAlexander, GAlexopoulos, TAlhroob, MAli, BAliev, MAlimonti, GAlison, JAlkire, SPAllbrooke, BMMAllen, BWAllport, PPAloisio, AAlonso, AAlonso, FAlpigiani, CAlshehri, AAAlstaty, MIGonzalez, B AlvarezPiqueras, D ÁlvarezAlviggi, MGAmadio, BTCoutinho, Y AmaralAmelung, CAmidei, DDos Santos, SP AmorAmoroso, SAmundsen, GAnastopoulos, CAncu, LSAndari, NAndeen, TAnders, CFAnders, JKAnderson, KJAndreazza, AAndrei, VAngelidakis, SAngelozzi, IAngerami, AAnisenkov, AVAnjos, NAnnovi, AAntel, CAntonelli, MAntonov, AAntrim, DJAnulli, FAoki, MBella, L AperioArabidze, GArai, YAraque, JPFerraz, V AraujoArce, ATHArdell, REArduh, FAArguin, J-FArgyropoulos, SArik, MArmbruster, AJArmitage, LJ2017-11-01The analysis of the momentum difference between charged hadrons in high-energy proton-proton collisions is performed in order to study coherent particle production. The observed correlation pattern agrees with a model of a helical QCD string fragmenting into a chain of ground-state hadrons. A threshold momentum difference in the production of adjacent pairs of charged hadrons is observed, in agreement with model predictions. The presence of low-mass hadron chains also explains the emergence of charge-combination-dependent two-particle correlations commonly attributed to Bose-Einstein interference. The data sample consists of 190 μb-1 of minimum-bias events collected with proton-proton collisions at a center-of-mass energy s=7 TeV in the early low-luminosity data taking with the ATLAS detector at the LHC.5106 Nuclear and Plasma Physics (for-2020)5107 Particle and High Energy Physics (for-2020)51 Physical Sciences (for-2020)hep-exhep-exapplication/pdfpubliceScholarship, University of Californiahttps://escholarship.org/uc/item/33f159rshttps://escholarship.org/content/qt33f159rs/qt33f159rs.pdfinfo:doi/10.1103/physrevd.96.092008articlePhysical Review D, vol 96, iss 9092008oai:escholarship.org:ark:/13030/qt6k29c94b2026-04-04T07:12:23Zqt6k29c94bJet energy scale measurements and their systematic uncertainties in proton-proton collisions at s=13 TeV with the ATLAS detectorAaboud, MAad, GAbbott, BAbdallah, JAbdinov, OAbeloos, BAbidi, SHAbouZeid, OSAbraham, NLAbramowicz, HAbreu, HAbreu, RAbulaiti, YAcharya, BSAdachi, SAdamczyk, LAdelman, JAdersberger, MAdye, TAffolder, AAAgatonovic-Jovin, TAgheorghiesei, CAguilar-Saavedra, JAAhlen, SPAhmadov, FAielli, GAkatsuka, SAkerstedt, HÅkesson, TPAAkimov, AVAlberghi, GLAlbert, JAlbicocco, PVerzini, MJ AlconadaAleksa, MAleksandrov, INAlexa, CAlexander, GAlexopoulos, TAlhroob, MAli, BAliev, MAlimonti, GAlison, JAlkire, SPAllbrooke, BMMAllen, BWAllport, PPAloisio, AAlonso, AAlonso, FAlpigiani, CAlshehri, AAAlstaty, MGonzalez, B AlvarezPiqueras, D ÁlvarezAlviggi, MGAmadio, BTCoutinho, Y AmaralAmelung, CAmidei, DDos Santos, SP AmorAmorim, AAmoroso, SAmundsen, GAnastopoulos, CAncu, LSAndari, NAndeen, TAnders, CFAnders, JKAnderson, KJAndreazza, AAndrei, VAngelidakis, SAngelozzi, IAngerami, AAnisenkov, AVAnjos, NAnnovi, AAntel, CAntonelli, MAntonov, AAntrim, DJAnulli, FAoki, MBella, L AperioArabidze, GArai, YAraque, JPFerraz, V AraujoArce, ATHArdell, REArduh, FAArguin, J-FArgyropoulos, SArik, MArmbruster, AJArmitage, LJArnaez, O2017-10-01Jet energy scale measurements and their systematic uncertainties are reported for jets measured with the ATLAS detector using proton-proton collision data with a center-of-mass energy of s=13 TeV, corresponding to an integrated luminosity of 3.2 fb-1 collected during 2015 at the LHC. Jets are reconstructed from energy deposits forming topological clusters of calorimeter cells, using the anti-kt algorithm with radius parameter R=0.4. Jets are calibrated with a series of simulation-based corrections and in situ techniques. In situ techniques exploit the transverse momentum balance between a jet and a reference object such as a photon, Z boson, or multijet system for jets with 200.8) is derived from dijet pT balance measurements. For jets of pT=80 GeV, the additional uncertainty for the forward jet calibration reaches its largest value of about 2% in the range |η|>3.5 and in a narrow slice of 2.2<|η|<2.4.5106 Nuclear and Plasma Physics (for-2020)5107 Particle and High Energy Physics (for-2020)4902 Mathematical Physics (for-2020)49 Mathematical Sciences (for-2020)51 Physical Sciences (for-2020)hep-exhep-exapplication/pdfCC-BYeScholarship, University of Californiahttps://escholarship.org/uc/item/6k29c94bhttps://escholarship.org/content/qt6k29c94b/qt6k29c94b.pdfinfo:doi/10.1103/physrevd.96.072002articlePhysical Review D, vol 96, iss 7072002oai:escholarship.org:ark:/13030/qt2wd7m4gh2026-04-04T07:12:09Zqt2wd7m4ghTransient behavior of a supersonic three-dimensional micronozzle with an intersecting capillaryMatlis, NHGonsalves, AJSteinke, Svan Tilborg, JShaw, BMittelberger, DEGeddes, CGRLeemans, WP2016-02-21An analysis of the interaction between a pulsed, supersonic microjet and an intersecting gas-filled capillary is presented, which enables a direct measurement of the pressure evolution inside the nozzle of the microjet. Plasma-emission spectroscopy was used to resolve, on a sub-microsecond timescale, the build-up and decay of pressure in the nozzle, which are shown to be correlated to the volume of the plenum supplying the nozzle and to the nozzle-throat size, respectively. The microjet, which was integrated with a capillary-discharge waveguide in a sapphire structure, was used to create a small, tunable region of high density gas within a centimeter-scale plateau of lower-density for use in a laser-plasma accelerator. The resultant longitudinally structured gas-density profile has been used to provide control of electron trapping and acceleration, but its evolution has not previously been directly quantified. The results presented here pave the way for improved control of laser-plasma accelerators and are also relevant to applications such as miniature satellites and lab-on-a-chip where precise knowledge of microjet pressure evolution is critical.40 Engineering (for-2020)4001 Aerospace Engineering (for-2020)51 Physical Sciences (for-2020)01 Mathematical Sciences (for)02 Physical Sciences (for)09 Engineering (for)Applied Physics (science-metrix)40 Engineering (for-2020)49 Mathematical sciences (for-2020)51 Physical sciences (for-2020)application/pdfCC-BY-NC-NDeScholarship, University of Californiahttps://escholarship.org/uc/item/2wd7m4ghhttps://escholarship.org/content/qt2wd7m4gh/qt2wd7m4gh.pdfinfo:doi/10.1063/1.4940956articleJournal of Applied Physics, vol 119, iss 7074501oai:escholarship.org:ark:/13030/qt3d5157d62026-04-04T07:11:55Zqt3d5157d6Observation of optical transition radiation from electron beams generated by laser plasma acceleratorLin, ChenNakamura, KVan Tilborg, JGonsalves, AJSokollik, TShiraishi, SLeemans, WPGuo, Zhi-Yu2013-02-01Laser plasma accelerators (LPAs) have made great progress, achieving electron beam with energy up to 1 GeV from a centimeter scale capillary plasma waveguide. Here, we report the measurement of optical transition radiation (OTR) from the capillary-based LPA electron beams. Transition radiation images, produced by electrons passing through two separate foils (located at 2.3 m and 3.8 m away from the exit of the LPA) were recorded with a high resolution imaging system, respectively. Two magnetic quadrupole lenses were placed right after the capillary to focus and collimate the electron beams. Significant localized spikes appeared in the OTR images when the electron beam was focused by the magnetic quadrupole lenses, indicating the coherence of the radiation and the existence of ultrashort longitudinal structures inside the electron beam.5106 Nuclear and Plasma Physics (for-2020)5110 Synchrotrons and Accelerators (for-2020)51 Physical Sciences (for-2020)laser plasma acceleratoroptical transition radiation0202 AtomicMolecularNuclearParticle and Plasma Physics (for)Nuclear & Particles Physics (science-metrix)5102 Atomicmolecular and optical physics (for-2020)5107 Particle and high energy physics (for-2020)application/pdfpubliceScholarship, University of Californiahttps://escholarship.org/uc/item/3d5157d6https://escholarship.org/content/qt3d5157d6/qt3d5157d6.pdfinfo:doi/10.1088/1674-1137/37/2/027003articleChinese Physics C, vol 37, iss 2027003oai:escholarship.org:ark:/13030/qt3cj6g8cd2026-04-04T07:11:49Zqt3cj6g8cdTowards machine learning assisted TORIC-PetraM ICRF core-edge couplingSánchez-VillarBai, ZBertelli, NBethel, EWHillairet, JPerciano, TShiraiwa, SWallace, GMWright, JC2024-01-01publiceScholarship, University of Californiahttps://escholarship.org/uc/item/3cj6g8cdarticle50th Eps Conference on Plasma Physics Eps 2024oai:escholarship.org:ark:/13030/qt9tn726tq2026-04-04T07:02:11Zqt9tn726tqDetection of atmospheric rivers with inline uncertainty quantification: TECA-BARD v1.0.1O'Brien, Travis ARisser, Mark DLoring, BurlenElbashandy, Abdelrahman AKrishnan, HarinarayanJohnson, JeffreyPatricola, Christina MO'Brien, John PMahesh, AnkurPrabhatRamirez, Sarahí ArriagaRhoades, Alan MCharn, AlexanderDíaz, Héctor IndaCollins, William D2020-01-01Abstract. It has become increasingly common for researchers to utilize methods that identify weather features in climate models. There is an increasing recognition that the uncertainty associated with choice of detection method may affect our scientific understanding. For example, results from the Atmospheric River Tracking Method Intercomparison Project (ARTMIP) indicate that there are a broad range of plausible atmospheric river (AR) detectors and that scientific results can depend on the algorithm used. There are similar examples from the literature on extratropical cyclones and tropical cyclones. It is therefore imperative to develop detection techniques that explicitly quantify the uncertainty associated with the detection of events. We seek to answer the following question: given a “plausible” AR detector, how does uncertainty in the detector quantitatively impact scientific results? We develop a large dataset of global AR counts, manually identified by a set of eight researchers with expertise in atmospheric science, which we use to constrain parameters in a novel AR detection method. We use a Bayesian framework to sample from the set of AR detector parameters that yield AR counts similar to the expert database of AR counts; this yields a set of “plausible” AR detectors from which we can assess quantitative uncertainty. This probabilistic AR detector has been implemented in the Toolkit for Extreme Climate Analysis (TECA), which allows for efficient processing of petabyte-scale datasets. We apply the TECA Bayesian AR Detector, TECA-BARD v1.0.1, to the MERRA-2 reanalysis and show that the sign of the correlation between global AR count and El Niño–Southern Oscillation depends on the set of parameters used.37 Earth Sciences (for-2020)3701 Atmospheric Sciences (for-2020)Networking and Information Technology R&D (NITRD) (rcdc)13 Climate Action (sdg)04 Earth Sciences (for)37 Earth sciences (for-2020)application/pdfpubliceScholarship, University of Californiahttps://escholarship.org/uc/item/9tn726tqhttps://escholarship.org/content/qt9tn726tq/qt9tn726tq.pdfinfo:doi/10.5194/gmd-13-6131-2020articleGeoscientific Model Development, vol 13, iss 126131 - 6148oai:escholarship.org:ark:/13030/qt3024k1fg2026-04-04T07:01:33Zqt3024k1fgFiducial, total and differential cross-section measurements of t-channel single top-quark production in pp collisions at 8 TeV using data collected by the ATLAS detectorAaboud, MAad, GAbbott, BAbdallah, JAbdinov, OAbeloos, BAbouZeid, OSAbraham, NLAbramowicz, HAbreu, HAbreu, RAbulaiti, YAcharya, BSAdachi, SAdamczyk, LAdams, DLAdelman, JAdomeit, SAdye, TAffolder, AAAgatonovic-Jovin, TAguilar-Saavedra, JAAhlen, SPAhmadov, FAielli, GAkerstedt, HÅkesson, TPAAkimov, AVAlberghi, GLAlbert, JAlbrand, SVerzini, MJ AlconadaAleksa, MAleksandrov, INAlexa, CAlexander, GAlexopoulos, TAlhroob, MAli, BAliev, MAlimonti, GAlison, JAlkire, SPAllbrooke, BMMAllen, BWAllport, PPAloisio, AAlonso, AAlonso, FAlpigiani, CAlshehri, AAAlstaty, MGonzalez, B AlvarezPiqueras, D ÁlvarezAlviggi, MGAmadio, BTCoutinho, Y AmaralAmelung, CAmidei, DSantos, SP Amor DosAmorim, AAmoroso, SAmundsen, GAnastopoulos, CAncu, LSAndari, NAndeen, TAnders, CFAnders, JKAnderson, KJAndreazza, AAndrei, VAngelidakis, SAngelozzi, IAngerami, AAnghinolfi, FAnisenkov, AVAnjos, NAnnovi, AAntel, CAntonelli, MAntonov, AAntrim, DJAnulli, FAoki, MBella, L AperioArabidze, GArai, YAraque, JPArce, ATHArduh, FAArguin, J-FArgyropoulos, SArik, MArmbruster, AJArmitage, LJArnaez, OArnold, HArratia, MArslan, O2017-08-01Detailed measurements of t-channel single top-quark production are presented. They use 20.2 fb-1$$^{-1}$$ of data collected by the ATLAS experiment in proton–proton collisions at a centre-of-mass energy of 8 TeV at the LHC. Total, fiducial and differential cross-sections are measured for both top-quark and top-antiquark production. The fiducial cross-section is measured with a precision of 5.8% (top quark) and 7.8% (top antiquark), respectively. The total cross-sections are measured to be σtot(tq)=56.7-3.8+4.3pb$$\sigma _{\text {tot}} (tq) = 56.7^{+4.3}_{-3.8}\;\mathrm{pb}$$ for top-quark production and σtot(t¯q)=32.9-2.7+3.0pb$$\sigma _{\text {tot}} (\bar{t} q) = 32.9^{+3.0}_{-2.7}\;\mathrm{pb}$$ for top-antiquark production, in agreement with the Standard Model prediction. In addition, the ratio of top-quark to top-antiquark production cross-sections is determined to be Rt=1.72±0.09$$R_t=1.72 \pm 0.09$$. The differential cross-sections as a function of the transverse momentum and rapidity of both the top quark and the top antiquark are measured at both the parton and particle levels. The transverse momentum and rapidity differential cross-sections of the accompanying jet from the t-channel scattering are measured at particle level. All measurements are compared to various Monte Carlo predictions as well as to fixed-order QCD calculations where available.5106 Nuclear and Plasma Physics (for-2020)5107 Particle and High Energy Physics (for-2020)51 Physical Sciences (for-2020)ATLAS Collaborationhep-exhep-ex0202 AtomicMolecularNuclearParticle and Plasma Physics (for)0206 Quantum Physics (for)Nuclear & Particles Physics (science-metrix)5101 Astronomical sciences (for-2020)5102 Atomicmolecular and optical physics (for-2020)5107 Particle and high energy physics (for-2020)application/pdfpubliceScholarship, University of Californiahttps://escholarship.org/uc/item/3024k1fghttps://escholarship.org/content/qt3024k1fg/qt3024k1fg.pdfinfo:doi/10.1140/epjc/s10052-017-5061-9articleEuropean Physical Journal C, vol 77, iss 8531oai:escholarship.org:ark:/13030/qt2075s6952026-04-04T06:48:53Zqt2075s695Voxel and surface-based topography of memory and executive deficits in mild cognitive impairment and Alzheimer’s diseaseNho, KwangsikRisacher, Shannon LCrane, Paul KDeCarli, CharlesGlymour, M MariaHabeck, ChristianKim, SungeunLee, Grace JMormino, ElizabethMukherjee, ShubhabrataShen, LiWest, John DSaykin, Andrew JAlzheimer’s Disease Neuroimaging Initiative (ADNI)2012-12-01Mild cognitive impairment (MCI) and Alzheimer’s disease (AD) are associated with a progressive loss of cognitive abilities. In the present report, we assessed the relationship of memory and executive function with brain structure in a sample of 810 Alzheimer’s Disease Neuroimaging Initiative (ADNI) participants, including 188 AD, 396 MCI, and 226 healthy older adults (HC). Composite scores of memory (ADNI-Mem) and executive function (ADNI-Exec) were generated by applying modern psychometric theory to item-level data from ADNI’s neuropsychological battery. We performed voxel-based morphometry (VBM) and surface-based association (SurfStat) analyses to evaluate relationships of ADNI-Mem and ADNI-Exec with grey matter (GM) density and cortical thickness across the whole brain in the combined sample and within diagnostic groups. We observed strong associations between ADNI-Mem and medial and lateral temporal lobe atrophy. Lower ADNI-Exec scores were associated with advanced GM and cortical atrophy across broadly distributed regions, most impressively in the bilateral parietal and temporal lobes. We also evaluated ADNI-Exec adjusted for ADNI-Mem, and found associations with GM density and cortical thickness primarily in the bilateral parietal, temporal, and frontal lobes. Within-group analyses suggest these associations are strongest in patients with MCI and AD. The present study provides insight into the spatially unbiased associations between brain atrophy and memory and executive function, and underscores the importance of structural brain changes in early cognitive decline.5202 Biological Psychology (for-2020)52 Psychology (for-2020)Behavioral and Social Science (rcdc)Acquired Cognitive Impairment (rcdc)Alzheimer's Disease (rcdc)Alzheimer's Disease including Alzheimer's Disease Related Dementias (AD/ADRD) (rcdc)Basic Behavioral and Social Science (rcdc)Neurodegenerative (rcdc)Neurosciences (rcdc)Aging (rcdc)Biomedical Imaging (rcdc)Dementia (rcdc)Brain Disorders (rcdc)Mental Health (rcdc)2.1 Biological and endogenous factors (hrcs-rac)Mental health (hrcs-hc)Neurological (hrcs-hc)Aged (mesh)Alzheimer Disease (mesh)Brain (mesh)Cognitive Dysfunction (mesh)Executive Function (mesh)Female (mesh)Humans (mesh)ImagingThree-Dimensional (mesh)Male (mesh)Nerve Net (mesh)Neural Pathways (mesh)Reproducibility of Results (mesh)Sensitivity and Specificity (mesh)Voxel-based morphometry (VBM)Surface-based analysisMemoryExecutive functionAlzheimer's diseaseMild cognitive impairmentAlzheimer’s Disease Neuroimaging Initiative--ADNIBrain (mesh)Nerve Net (mesh)Neural Pathways (mesh)Humans (mesh)Alzheimer Disease (mesh)ImagingThree-Dimensional (mesh)Sensitivity and Specificity (mesh)Reproducibility of Results (mesh)Aged (mesh)Female (mesh)Male (mesh)Executive Function (mesh)Cognitive Dysfunction (mesh)Aged (mesh)Alzheimer Disease (mesh)Brain (mesh)Cognitive Dysfunction (mesh)Executive Function (mesh)Female (mesh)Humans (mesh)ImagingThree-Dimensional (mesh)Male (mesh)Nerve Net (mesh)Neural Pathways (mesh)Reproducibility of Results (mesh)Sensitivity and Specificity (mesh)11 Medical and Health Sciences (for)17 Psychology and Cognitive Sciences (for)Experimental Psychology (science-metrix)32 Biomedical and clinical sciences (for-2020)42 Health sciences (for-2020)52 Psychology (for-2020)application/pdfpubliceScholarship, University of Californiahttps://escholarship.org/uc/item/2075s695https://escholarship.org/content/qt2075s695/qt2075s695.pdfinfo:doi/10.1007/s11682-012-9203-2articleBrain Imaging and Behavior, vol 6, iss 4551 - 567oai:escholarship.org:ark:/13030/qt1mr2r1tn2026-04-04T06:44:32Zqt1mr2r1tnParaspinal Muscle in Chronic Low Back Pain: Comparison Between Standard Parameters and Chemical Shift Encoding‐Based Water–Fat MRISollmann, NicoBonnheim, Noah BJoseph, Gabby BChachad, RaviZhou, JiaminAkkaya, ZehraPirmoazen, Amir MBailey, Jeannie FGuo, XiaojieLazar, Ann ALink, Thomas MFields, Aaron JKrug, Roland2022-11-01BACKGROUND: Paraspinal musculature (PSM) is increasingly recognized as a contributor to low back pain (LBP), but with conventional MRI sequences, assessment is limited. Chemical shift encoding-based water-fat MRI (CSE-MRI) enables the measurement of PSM fat fraction (FF), which may assist investigations of chronic LBP.
PURPOSE: To investigate associations between PSM parameters from conventional MRI and CSE-MRI and between PSM parameters and pain.
STUDY TYPE: Prospective, cross-sectional.
POPULATION: Eighty-four adults with chronic LBP (44.6 ± 13.4 years; 48 males).
FIELD STRENGTH/SEQUENCE: 3-T, T1-weighted fast spin-echo and iterative decomposition of water and fat with echo asymmetry and least squares estimation sequences.
ASSESSMENT: T1-weighted images for Goutallier classification (GC), muscle volume, lumbar indentation value, and muscle-fat index, CSE-MRI for FF extraction (L1/2-L5/S1). Pain was self-reported using a visual analogue scale (VAS). Intra- and/or interreader agreement was assessed for MRI-derived parameters.
STATISTICAL TESTS: Mixed-effects and linear regression models to 1) assess relationships between PSM parameters (entire cohort and subgroup with GC grades 0 and 1; statistical significance α = 0.0025) and 2) evaluate associations of PSM parameters with pain (α = 0.05). Intraclass correlation coefficients (ICCs) for intra- and/or interreader agreement.
RESULTS: The FF showed excellent intra- and interreader agreement (ICC range: 0.97-0.99) and was significantly associated with GC at all spinal levels. Subgroup analysis suggested that early/subtle changes in PSM are detectable with FF but not with GC, given the absence of significant associations between FF and GC (P-value range: 0.036 at L5/S1 to 0.784 at L2/L3). Averaged over all spinal levels, FF and GC were significantly associated with VAS scores.
DATA CONCLUSION: In the absence of FF, GC may be the best surrogate for PSM quality. Given the ability of CSE-MRI to detect muscle alterations at early stages of PSM degeneration, this technique may have potential for further investigations of the role of PSM in chronic LBP.
LEVEL OF EVIDENCE: 2 TECHNICAL EFFICACY STAGE: 2.32 Biomedical and Clinical Sciences (for-2020)3202 Clinical Sciences (for-2020)Back Pain (rcdc)Clinical Research (rcdc)Neurosciences (rcdc)Biomedical Imaging (rcdc)Chronic Pain (rcdc)Pain Research (rcdc)Neurological (hrcs-hc)Musculoskeletal (hrcs-hc)Adult (mesh)Cross-Sectional Studies (mesh)Humans (mesh)Low Back Pain (mesh)Lumbar Vertebrae (mesh)Magnetic Resonance Imaging (mesh)Male (mesh)Paraspinal Muscles (mesh)Prospective Studies (mesh)Water (mesh)chemical shiftfat fractionGoutallier classificationlow back painparaspinal musculatureLumbar Vertebrae (mesh)Humans (mesh)Low Back Pain (mesh)Water (mesh)Magnetic Resonance Imaging (mesh)Prospective Studies (mesh)Cross-Sectional Studies (mesh)Adult (mesh)Male (mesh)Paraspinal Muscles (mesh)Goutallier classificationchemical shiftfat fractionlow back painparaspinal musculatureAdult (mesh)Cross-Sectional Studies (mesh)Humans (mesh)Low Back Pain (mesh)Lumbar Vertebrae (mesh)Magnetic Resonance Imaging (mesh)Male (mesh)Paraspinal Muscles (mesh)Prospective Studies (mesh)Water (mesh)02 Physical Sciences (for)09 Engineering (for)11 Medical and Health Sciences (for)Nuclear Medicine & Medical Imaging (science-metrix)3202 Clinical sciences (for-2020)publiceScholarship, University of Californiahttps://escholarship.org/uc/item/1mr2r1tninfo:doi/10.1002/jmri.28145articleJournal of Magnetic Resonance Imaging, vol 56, iss 51600 - 1608oai:escholarship.org:ark:/13030/qt2kc378h42026-04-04T06:40:51Zqt2kc378h4Active Plasma Lensing for Relativistic Laser-Plasma-Accelerated Electron Beamsvan Tilborg, JSteinke, SGeddes, CGRMatlis, NHShaw, BHGonsalves, AJHuijts, JVNakamura, KDaniels, JSchroeder, CBBenedetti, CEsarey, EBulanov, SSBobrova, NASasorov, PVLeemans, WP2015-10-30Compact, tunable, radially symmetric focusing of electrons is critical to laser-plasma accelerator (LPA) applications. Experiments are presented demonstrating the use of a discharge-capillary active plasma lens to focus 100-MeV-level LPA beams. The lens can provide tunable field gradients in excess of 3000 T/m, enabling cm-scale focal lengths for GeV-level beam energies and allowing LPA-based electron beams and light sources to maintain their compact footprint. For a range of lens strengths, excellent agreement with simulation was obtained.5106 Nuclear and Plasma Physics (for-2020)51 Physical Sciences (for-2020)01 Mathematical Sciences (for)02 Physical Sciences (for)09 Engineering (for)General Physics (science-metrix)40 Engineering (for-2020)49 Mathematical sciences (for-2020)51 Physical sciences (for-2020)application/pdfCC-BY-NC-NDeScholarship, University of Californiahttps://escholarship.org/uc/item/2kc378h4https://escholarship.org/content/qt2kc378h4/qt2kc378h4.pdfinfo:doi/10.1103/physrevlett.115.184802articlePhysical Review Letters, vol 115, iss 18184802oai:escholarship.org:ark:/13030/qt8tf653522026-04-04T06:40:28Zqt8tf65352UPC++ v1.0 Programmer’s Guide, Revision 2019.9.0Bachan, JBaden, SBonachea, DanHargrove, PHofmeyr, SJacquelin, MKamil, AVan Straalen, B2019-09-13UPC++ is a C++11 library that provides Partitioned Global Address Space (PGAS) programming. It is designed for writing parallel programs that run efficiently and scale well on distributed-memory parallel computers. The PGAS model is single program, multiple-data (SPMD), with each separate constituent process having access to local memory as it would in C++. However, PGAS also provides access to a global address space, which is allocated in shared segments that are distributed over the processes. UPC++ provides numerous methods for accessing and using global memory. In UPC++, all operations that access remote memory are explicit, which encourages programmers to be aware of the cost of communication and data movement. Moreover, all remote-memory access operations are by default asynchronous, to enable programmers to write code that scales well even on hundreds of thousands of cores.Exascale ComputingGASNetLibrary Programmer's Guideparallel distributed programmingPGASscientific computingUPC++application/pdfpubliceScholarship, University of Californiahttps://escholarship.org/uc/item/8tf65352https://escholarship.org/content/qt8tf65352/qt8tf65352.pdfinfo:doi/10.25344/S4V30Rarticleoai:escholarship.org:ark:/13030/qt25m555p92026-04-04T06:40:24Zqt25m555p9UPC++ Specification v1.0, Draft 10Bachan, JBaden, SBonachea, DanHargrove, PHofmeyr, SJacquelin, MKamil, AVan Straalen, B2019-03-15This document has been superseded by:
UPC++ v1.0 Specification, Revision 2019.9.0 (LBNL-2001237)
https://doi.org/10.25344/S4ZW2C
UPC++ is a C++11 library providing classes and functions that support Partitioned Global Address Space (PGAS) programming. We are revising the library under the auspices of the DOE’s Exascale Computing Project, to meet the needs of applications requiring PGAS support. UPC++ is intended for implementing elaborate distributed data structures where communication is irregular or fine-grained. The UPC++ interfaces for moving non-contiguous data and handling memories with different optimal access methods are composable and similar to those used in conventional C++. The UPC++ programmer can expect communication to run at close to hardware speeds.
The key facilities in UPC++ are global pointers, that enable the programmer to express ownership information for improving locality, one-sided communication, both put/get and RPC, futures and continuations. Futures capture data readiness state, which is useful in making scheduling decisions, and continuations provide for completion handling via callbacks. Together, these enable the programmer to chain together a DAG of operations to execute asynchronously as high-latency dependencies become satisfied.Exascale ComputingLibrary specificationparallel distributed programmingPGASscientific computingUPC++application/pdfpubliceScholarship, University of Californiahttps://escholarship.org/uc/item/25m555p9https://escholarship.org/content/qt25m555p9/qt25m555p9.pdfinfo:doi/10.25344/S4JS30articleoai:escholarship.org:ark:/13030/qt02r988n62026-04-04T06:40:19Zqt02r988n6UPC++ Programmer’s Guide, v1.0-2018.9.0Bachan, JBaden, SBonachea, DanHargrove, PHofmeyr, SJacquelin, MKamil, AVan Straalen, B2018-09-25This document has been superseded by:
UPC++ Programmer’s Guide, v1.0-2019.3.0 (LBNL-2001191)
https://doi.org/10.25344/S4F301
UPC++ is a C++11 library that provides Partitioned Global Address Space (PGAS) programming. It is designed for writing parallel programs that run efficiently and scale well on distributed-memory parallel computers. The PGAS model is single program, multiple-data (SPMD), with each separate constituent process having access to local memory as it would in C++. However, PGAS also provides access to a global address space, which is allocated in shared segments that are distributed over the processes. UPC++ provides numerous methods for accessing and using global memory. In UPC++, all operations that access remote memory are explicit, which encourages programmers to be aware of the cost of communication and data movement. Moreover, all remote-memory access operations are by default asynchronous, to enable programmers to write code that scales well even on hundreds of thousands of cores.Exascale ComputingGASNetLibrary Programmer's Guideparallel distributed programmingPGASscientific computingUPC++application/pdfpubliceScholarship, University of Californiahttps://escholarship.org/uc/item/02r988n6https://escholarship.org/content/qt02r988n6/qt02r988n6.pdfinfo:doi/10.25344/S49G6Varticleoai:escholarship.org:ark:/13030/qt820944332026-04-04T06:40:15Zqt82094433UPC++ Specification v1.0, Draft 6Bachan, JBaden, SBonachea, DHargrove, PHofmeyr, SIbrahim, KJacquelin, MKamil, ALelbach, Bvan Straalen, B2018-03-26This document has been superseded by:
UPC++ Specification v1.0, Draft 8 (LBNL-2001179)
https://escholarship.org/uc/item/55f9x4wg
UPC++ is a C++11 library providing classes and functions that support Partitioned Global Address Space (PGAS) programming. We are revising the library under the auspices of the DOE’s Exascale Computing Project, to meet the needs of applications requiring PGAS support. UPC++ is intended for implementing elaborate distributed data structures where communication is irregular or fine-grained. The UPC++ interfaces for moving non-contiguous data and handling memories with different optimal access methods are composable and similar to those used in conventional C++. The UPC++ programmer can expect communication to run at close to hardware speeds. The key facilities in UPC++ are global pointers, that enable the programmer to express ownership information for improving locality, one-sided communication, both put/get and RPC, futures and continuations. Futures capture data readiness state, which is useful in making scheduling decisions, and continuations provide for completion handling via callbacks. Together, these enable the programmer to chain together a DAG of operations to execute asynchronously as high-latency dependencies become satisfied.Exascale ComputingLibrary specificationparallel distributed programmingPGASscientific computingUPC++application/pdfpubliceScholarship, University of Californiahttps://escholarship.org/uc/item/82094433https://escholarship.org/content/qt82094433/qt82094433.pdfinfo:doi/10.2172/1430689articleoai:escholarship.org:ark:/13030/qt5pq438t62026-04-04T06:39:57Zqt5pq438t6The UPC++ PGAS library for Exascale Computing: Extended AbstractBonachea, DBachan, JHargrove, PHofmeyr, SJacquelin, MKamil, Avan Straalen, BBaden, SMorris, KarlaIancu, CostinFilippone, SalvatoreChamberlain, Bradford LLong, Bill2017-11-12We describe UPC++ V1.0, a C++11 library that supports APGAS programming. UPC++ targets distributed data structures where communication is irregular or fine-grained. The key abstractions are global pointers, asynchronous programming via RPC, and futures. Global pointers incorporate ownership information useful in optimizing for locality. Futures capture data readiness state, are useful for scheduling and also enable the programmer to chain operations to execute asynchronously as high-latency dependencies become satisfied, via continuations. The interfaces for moving non-contiguous data and handling memories with different optimal access methods are composable and closely resemble those used in modern C++. Communication in UPC++ runs at close to hardware speeds by utilizing the low-overhead GASNet-EX communication library.Exascale computingGlobal Address SpacePGASUPC++4606 Distributed Computing and Systems Software (for-2020)46 Information and Computing Sciences (for-2020)PGASGlobal Address SpaceUPC plusExascale computingapplication/pdfpubliceScholarship, University of Californiahttps://escholarship.org/uc/item/5pq438t6https://escholarship.org/content/qt5pq438t6/qt5pq438t6.pdfinfo:doi/10.1145/3144779.3169108articlePAW17: PROCEEDINGS OF SECOND ANNUAL PGAS APPLICATIONS WORKSHOP, vol 2017-Januaryoai:escholarship.org:ark:/13030/qt3mr1z9f82026-04-04T06:34:59Zqt3mr1z9f8Productivity and performance using partitioned global address space languagesYelick, KatherineBonachea, DanChen, Wei-YuColella, PhillipDatta, KaushikDuell, JasonGraham, Susan LHargrove, PaulHilfinger, PaulHusbands, ParryIancu, CostinKamil, AmirNishtala, RajeshSu, JimmyWelcome, MichaelWen, TongMaza, Marc MorenoWatt, Stephen M2007-07-27Partitioned Global Address Space (PGAS) languages combine the programming convenience of shared memory with the locality and performance control of message passing. One such language, Unified Parallel C (UPC) is an extension of ISO C defined by a consortium that boasts multiple proprietary and open source compilers. Another PGAS language, Titanium, is a dialect of JavaTM designed for high performance scientific computation. In this paper we describe some of the highlights of two related projects, the Titanium project centered at U.C. Berkeley and the UPC project centered at Lawrence Berkeley National Laboratory. Both compilers use a source-to-source strategy that trans-lates the parallel languages to C with calls to a communication layer called GASNet. The result is portable high-performance compilers that run on a large variety of shared and distributed memory multiprocessors. Both projects combine compiler, runtime, and application efforts to demonstrate some of the performance and productivity advantages to these languages.33 Built Environment and Design (for-2020)3301 Architecture (for-2020)GASNetNAS Parallel BenchmarksOne-Sided CommunicationPartitioned Global Address SpacePGASTitaniumUPCapplication/pdfpubliceScholarship, University of Californiahttps://escholarship.org/uc/item/3mr1z9f8https://escholarship.org/content/qt3mr1z9f8/qt3mr1z9f8.pdfinfo:doi/10.1145/1278177.1278183articlePasco 07 Proceedings of the 2007 International Workshop on Parallel Symbolic Computation24 - 32oai:escholarship.org:ark:/13030/qt4b06x4302026-04-04T06:30:44Zqt4b06x430Combination of CMS searches for heavy resonances decaying to pairs of bosons or leptonsSirunyan, AMTumasyan, AAdam, WAmbrogi, FBergauer, TBrandstetter, JDragicevic, MErö, JDel Valle, A EscalanteFlechl, MFrühwirth, RJeitler, MKrammer, NKrätschmer, ILiko, DMadlener, TMikulec, IRad, NSchieck, JSchöfbeck, RSpanring, MSpitzbart, DWaltenberger, WWittmann, JWulz, C-EZarucki, MDrugakov, VMossolov, VGonzalez, J SuarezDarwish, MRDe Wolf, EADi Croce, DJanssen, XLauwers, JLelek, APieters, MSfar, H RejebVan Haevermaet, HVan Mechelen, PVan Putte, SVan Remortel, NBlekman, FBols, ESChhibra, SSD'Hondt, JDe Clercq, JLontkovskyi, DLowette, SMarchesini, IMoortgat, SMoreels, LPython, QSkovpen, KTavernier, SVan Doninck, WVan Mulders, PVan Parijs, IBeghin, DBilin, BBrun, HClerbaux, BDe Lentdecker, GDelannoy, HDorney, BFavart, LGrebenyuk, AKalsi, AKLuetic, JPopov, APostiau, NStarling, EThomas, LVander Velde, CVanlaer, PVannerom, DWang, QCornelis, TDobur, DKhvastunov, IRoskas, CTrocino, DTytgat, MVerbeke, WVermassen, BVit, MZaganidis, NBondu, OBruno, GCaputo, CDavid, PDelaere, CDelcourt, MGiammanco, AKrintiras, GLemaitre, VMagitteri, APiotrzkowski, KPrisciandaro, JSaggio, AMarono, M Vidal2019-11-01A statistical combination of searches for heavy resonances decaying to pairs of bosons or leptons is presented. The data correspond to an integrated luminosity of 35.9 fb−1 collected during 2016 by the CMS experiment at the LHC in proton-proton collisions at a center-of-mass energy of 13 TeV. The data are found to be consistent with expectations from the standard model background. Exclusion limits are set in the context of models of spin-1 heavy vector triplets and of spin-2 bulk gravitons. For mass-degenerate W′ and Z′ resonances that predominantly couple to the standard model gauge bosons, the mass exclusion at 95% confidence level of heavy vector bosons is extended to 4.5 TeV as compared to 3.8 TeV determined from the best individual channel. This excluded mass increases to 5.0 TeV if the resonances couple predominantly to fermions.5106 Nuclear and Plasma Physics (for-2020)5107 Particle and High Energy Physics (for-2020)51 Physical Sciences (for-2020)CMSB2GDibosonDileptonHVTGravitonhep-exhep-ex0105 Mathematical Physics (for)0201 Astronomical and Space Sciences (for)0202 AtomicMolecularNuclearParticle and Plasma Physics (for)Nuclear & Particles Physics (science-metrix)49 Mathematical sciences (for-2020)51 Physical sciences (for-2020)application/pdfpubliceScholarship, University of Californiahttps://escholarship.org/uc/item/4b06x430https://escholarship.org/content/qt4b06x430/qt4b06x430.pdfinfo:doi/10.1016/j.physletb.2019.134952articlePhysics Letters B, vol 798134952oai:escholarship.org:ark:/13030/qt2433n63n2026-04-04T05:58:09Zqt2433n63nMeasurement of the gamma ray background in the Davis cavern at the Sanford Underground Research FacilityAkerib, DSAkerlof, CWAlsum, SKAngelides, NAraújo, HMArmstrong, JEArthurs, MBai, XBalajthy, JBalashov, SBaxter, ABernard, EPBiekert, ABiesiadzinski, TPBoast, KEBoxer, BBrás, PBuckley, JHBugaev, VVBurdin, SBusenitz, JKCarels, CCarlsmith, DLCarmona-Benitez, MCCascella, MChan, CCole, ACottle, ACutter, JEDahl, CEde Viveiros, LDobson, JEYDruszkiewicz, EEdberg, TKFan, AFiorucci, SFlaecher, HFruth, TGaitskell, RJGenovesi, JGhag, CGilchriese, MGDGokhale, Svan der Grinten, MGDHall, CRHans, SHarrison, JHaselschwardt, SJHertel, SAHor, JY-KHorn, MHuang, DQIgnarra, CMJahangir, OJi, WJohnson, JKaboth, ACKamdin, KKhaitan, DKhazov, AKim, WTKocher, CDKorley, LKorolkova, EVKras, JKraus, HKravitz, SWKreczko, LKrikler, BKudryavtsev, VALeason, EALee, JLeonard, DSLesko, KTLevy, CLi, JLiao, JLiao, F-TLin, JLindote, ALinehan, RLippincott, WHLiu, RLiu, XLoniewski, CLopes, MIParedes, B LópezLorenzon, WLuitz, SLyle, JMMajewski, PAManalaysay, AManenti, LMannino, RLMarangou, NMarzioni, MFMcKinsey, DNMcLaughlin, JMeng, YMiller, EH2020-03-01Deep underground environments are ideal for low background searches due to the attenuation of cosmic rays by passage through the earth. However, they are affected by backgrounds from γ-rays emitted by 40K and the 238U and 232Th decay chains in the surrounding rock. The LUX-ZEPLIN (LZ) experiment will search for dark matter particle interactions with a liquid xenon TPC located within the Davis campus at the Sanford Underground Research Facility, Lead, South Dakota, at the 4850-foot level. In order to characterise the cavern background, in-situ γ-ray measurements were taken with a sodium iodide detector in various locations and with lead shielding. The integral count rates (0–3300 keV) varied from 596 Hz to 1355 Hz for unshielded measurements, corresponding to a total flux from the cavern walls of 1.9 ± 0.4 γ cm − 2 s − 1 . The resulting activity in the walls of the cavern can be characterised as 220 ± 60 Bq/kg of 40K, 29 ± 15 Bq/kg of 238U, and 13 ± 3 Bq/kg of 232Th.5106 Nuclear and Plasma Physics (for-2020)5107 Particle and High Energy Physics (for-2020)51 Physical Sciences (for-2020)Dark matterLow backgroundRadiationUndergroundGamma raysGamma spectroscopyphysics.ins-detphysics.ins-dethep-ex0201 Astronomical and Space Sciences (for)0202 AtomicMolecularNuclearParticle and Plasma Physics (for)Nuclear & Particles Physics (science-metrix)5101 Astronomical sciences (for-2020)5107 Particle and high energy physics (for-2020)application/pdfpubliceScholarship, University of Californiahttps://escholarship.org/uc/item/2433n63nhttps://escholarship.org/content/qt2433n63n/qt2433n63n.pdfinfo:doi/10.1016/j.astropartphys.2019.102391articleAstroparticle Physics, vol 116102391oai:escholarship.org:ark:/13030/qt2h77g82w2026-04-04T05:53:43Zqt2h77g82wRelationship of Estimated GFR and Albuminuria to Concurrent Laboratory Abnormalities: An Individual Participant Data Meta-analysis in a Global ConsortiumInker, Lesley AGrams, Morgan ELevey, Andrew SCoresh, JosefCirillo, MassimoCollins, John FGansevoort, Ron TGutierrez, Orlando MHamano, TakayukiHeine, Gunnar HIshikawa, ShizukiyoJee, Sun HaKronenberg, FlorianLandray, Martin JMiura, KatsuyukiNadkarni, Girish NPeralta, Carmen ARothenbacher, DietrichSchaeffner, ElkeSedaghat, SanazShlipak, Michael GZhang, Luxiavan Zuilen, Arjan DHallan, Stein IKovesdy, Csaba PWoodward, MarkLevin, AdeeraAstor, BradAppel, LarryGreene, TomChen, TeresaChalmers, JohnWoodward, MarkArima, HisatomiPerkovic, VladoYatsuya, HiroshiTamakoshi, KojiLi, YuanyingHirakawa, YoshihisaCoresh, JosefMatsushita, KunihiroGrams, MorganSang, YingyingPolkinghorne, KevanChadban, StevenAtkins, RobertLevin, AdeeraDjurdjev, OgnjenkaZhang, LuxiaLiu, LishengZhao, MinghuiWang, FangWang, JinweiSchaeffner, ElkeEbert, NatalieMartus, PeterLevin, AdeeraDjurdjev, OgnjenkaTang, MilaHeine, GunnarEmrich, InsaSeiler, SarahZawada, AdamNally, JosephNavaneethan, SankarSchold, JesseZhang, LuxiaZhao, MinghuiWang, FangWang, JinweiShlipak, MichaelSarnak, MarkKatz, RonitHiramoto, JadeIso, HiroyasuYamagishi, KazumasaUmesawa, MitsumasaMuraki, IsaoFukagawa, MasafumiMaruyama, ShoichiHamano, TakayukiHasegawa, TakeshiFujii, NaohikoWheeler, DavidEmberson, JohnTownend, JohnLandray, MartinBrenner, HermannSchöttker, BenSaum, Kai-UweRothenbacher, DietrichFox, CarolineHwang, Shih-JenKöttgen, AnnaKronenberg, FlorianSchneider, Markus PEckardt, Kai-UweGreen, JamieKirchner, H LesterChang, Alex R2019-02-01RATIONALE & OBJECTIVE: Chronic kidney disease (CKD) is complicated by abnormalities that reflect disruption in filtration, tubular, and endocrine functions of the kidney. Our aim was to explore the relationship of specific laboratory result abnormalities and hypertension with the estimated glomerular filtration rate (eGFR) and albuminuria CKD staging framework.
STUDY DESIGN: Cross-sectional individual participant-level analyses in a global consortium.
SETTING & STUDY POPULATIONS: 17 CKD and 38 general population and high-risk cohorts.
SELECTION CRITERIA FOR STUDIES: Cohorts in the CKD Prognosis Consortium with data for eGFR and albuminuria, as well as a measurement of hemoglobin, bicarbonate, phosphorus, parathyroid hormone, potassium, or calcium, or hypertension.
DATA EXTRACTION: Data were obtained and analyzed between July 2015 and January 2018.
ANALYTICAL APPROACH: We modeled the association of eGFR and albuminuria with hemoglobin, bicarbonate, phosphorus, parathyroid hormone, potassium, and calcium values using linear regression and with hypertension and categorical definitions of each abnormality using logistic regression. Results were pooled using random-effects meta-analyses.
RESULTS: The CKD cohorts (n=254,666 participants) were 27% women and 10% black, with a mean age of 69 (SD, 12) years. The general population/high-risk cohorts (n=1,758,334) were 50% women and 2% black, with a mean age of 50 (16) years. There was a strong graded association between lower eGFR and all laboratory result abnormalities (ORs ranging from 3.27 [95% CI, 2.68-3.97] to 8.91 [95% CI, 7.22-10.99] comparing eGFRs of 15 to 29 with eGFRs of 45 to 59mL/min/1.73m2), whereas albuminuria had equivocal or weak associations with abnormalities (ORs ranging from 0.77 [95% CI, 0.60-0.99] to 1.92 [95% CI, 1.65-2.24] comparing urinary albumin-creatinine ratio > 300 vs < 30mg/g).
LIMITATIONS: Variations in study era, health care delivery system, typical diet, and laboratory assays.
CONCLUSIONS: Lower eGFR was strongly associated with higher odds of multiple laboratory result abnormalities. Knowledge of risk associations might help guide management in the heterogeneous group of patients with CKD.32 Biomedical and Clinical Sciences (for-2020)3202 Clinical Sciences (for-2020)Kidney Disease (rcdc)Clinical Research (rcdc)Women's Health (rcdc)Hypertension (rcdc)Prevention (rcdc)Renal and urogenital (hrcs-hc)3 Good Health and Well Being (sdg)Aged (mesh)Albuminuria (mesh)Blood Chemical Analysis (mesh)Creatinine (mesh)Cross-Sectional Studies (mesh)Disease Progression (mesh)Female (mesh)Global Health (mesh)Glomerular Filtration Rate (mesh)Humans (mesh)HypertensionRenal (mesh)Internationality (mesh)Kidney Function Tests (mesh)Male (mesh)Middle Aged (mesh)Predictive Value of Tests (mesh)Renal InsufficiencyChronic (mesh)Retrospective Studies (mesh)Sensitivity and Specificity (mesh)Severity of Illness Index (mesh)Urinalysis (mesh)CKD Prognosis ConsortiumHumans (mesh)HypertensionRenal (mesh)Albuminuria (mesh)Disease Progression (mesh)Creatinine (mesh)Kidney Function Tests (mesh)Glomerular Filtration Rate (mesh)Urinalysis (mesh)Blood Chemical Analysis (mesh)Severity of Illness Index (mesh)Sensitivity and Specificity (mesh)Retrospective Studies (mesh)Cross-Sectional Studies (mesh)Predictive Value of Tests (mesh)Internationality (mesh)Aged (mesh)Middle Aged (mesh)Female (mesh)Male (mesh)Renal InsufficiencyChronic (mesh)Global Health (mesh)CKD Prognosis ConsortiumCKD stageChronic kidney disease (CKD)albuminuriaanemiadiabetesglomerular filtration rate (GFR)hematocrithemoglobinhyperparathyroidismhypertensionindividual-level meta-analysiskidney functionlaboratory abnormalitylaboratory testsmeta-analysisserum bicarbonateserum calciumserum intact parathyroid hormoneserum phosphorusserum potassiumstaging systemAged (mesh)Albuminuria (mesh)Blood Chemical Analysis (mesh)Creatinine (mesh)Cross-Sectional Studies (mesh)Disease Progression (mesh)Female (mesh)Global Health (mesh)Glomerular Filtration Rate (mesh)Humans (mesh)HypertensionRenal (mesh)Internationality (mesh)Kidney Function Tests (mesh)Male (mesh)Middle Aged (mesh)Predictive Value of Tests (mesh)Renal InsufficiencyChronic (mesh)Retrospective Studies (mesh)Sensitivity and Specificity (mesh)Severity of Illness Index (mesh)Urinalysis (mesh)1103 Clinical Sciences (for)1117 Public Health and Health Services (for)Urology & Nephrology (science-metrix)3202 Clinical sciences (for-2020)application/pdfpubliceScholarship, University of Californiahttps://escholarship.org/uc/item/2h77g82whttps://escholarship.org/content/qt2h77g82w/qt2h77g82w.pdfinfo:doi/10.1053/j.ajkd.2018.08.013articleAmerican Journal of Kidney Diseases, vol 73, iss 2206 - 217oai:escholarship.org:ark:/13030/qt13g1w2rc2026-04-04T05:49:52Zqt13g1w2rcStudy of 300,486 individuals identifies 148 independent genetic loci influencing general cognitive functionDavies, GailLam, MaxHarris, Sarah ETrampush, Joey WLuciano, MichelleHill, W DavidHagenaars, Saskia PRitchie, Stuart JMarioni, Riccardo EFawns-Ritchie, ChloeLiewald, David CMOkely, Judith AAhola-Olli, Ari VBarnes, Catriona LKBertram, LarsBis, Joshua CBurdick, Katherine EChristoforou, AndreaDeRosse, PamelaDjurovic, SrdjanEspeseth, ThomasGiakoumaki, StellaGiddaluru, SudheerGustavson, Daniel EHayward, CarolineHofer, EdithIkram, M ArfanKarlsson, RobertKnowles, EmmaLahti, JariLeber, MarkusLi, ShuoMather, Karen AMelle, IngridMorris, DerekOldmeadow, ChristopherPalviainen, TeemuPayton, AntonyPazoki, RahaPetrovic, KatjaReynolds, Chandra ASargurupremraj, MuralidharanScholz, MarkusSmith, Jennifer ASmith, Albert VTerzikhan, NatalieThalamuthu, AnbupalamTrompet, Stellavan der Lee, Sven JWare, Erin BWindham, B GwenWright, Margaret JYang, JingyunYu, JinAmes, DavidAmin, NajafAmouyel, PhilippeAndreassen, Ole AArmstrong, Nicola JAssareh, Amelia AAttia, John RAttix, DeborahAvramopoulos, DimitriosBennett, David ABöhmer, Anne CBoyle, Patricia ABrodaty, HenryCampbell, HarryCannon, Tyrone DCirulli, Elizabeth TCongdon, ElizaConley, Emily DrabantCorley, JanieCox, Simon RDale, Anders MDehghan, AbbasDick, DanielleDickinson, DwightEriksson, Johan GEvangelou, EvangelosFaul, Jessica DFord, IanFreimer, Nelson AGao, HeGiegling, InaGillespie, Nathan AGordon, Scott DGottesman, Rebecca FGriswold, Michael EGudnason, VilmundurHarris, Tamara BHartmann, Annette MHatzimanolis, AlexHeiss, GerardoHolliday, Elizabeth GJoshi, Peter KKähönen, MikaKardia, Sharon LRKarlsson, IdaKleineidam, Luca2018-01-01General cognitive function is a prominent and relatively stable human trait that is associated with many important life outcomes. We combine cognitive and genetic data from the CHARGE and COGENT consortia, and UK Biobank (total N = 300,486; age 16–102) and find 148 genome-wide significant independent loci (P < 5 × 10−8) associated with general cognitive function. Within the novel genetic loci are variants associated with neurodegenerative and neurodevelopmental disorders, physical and psychiatric illnesses, and brain structure. Gene-based analyses find 709 genes associated with general cognitive function. Expression levels across the cortex are associated with general cognitive function. Using polygenic scores, up to 4.3% of variance in general cognitive function is predicted in independent samples. We detect significant genetic overlap between general cognitive function, reaction time, and many health variables including eyesight, hypertension, and longevity. In conclusion we identify novel genetic loci and pathways contributing to the heritability of general cognitive function.5202 Biological Psychology (for-2020)31 Biological Sciences (for-2020)3105 Genetics (for-2020)52 Psychology (for-2020)Aging (rcdc)Human Genome (rcdc)Biotechnology (rcdc)Neurodegenerative (rcdc)Mental Health (rcdc)Basic Behavioral and Social Science (rcdc)Acquired Cognitive Impairment (rcdc)Brain Disorders (rcdc)Genetics (rcdc)Neurosciences (rcdc)Behavioral and Social Science (rcdc)2.1 Biological and endogenous factors (hrcs-rac)1.1 Normal biological development and functioning (hrcs-rac)Mental health (hrcs-hc)Neurological (hrcs-hc)Adolescent (mesh)Adult (mesh)Aged (mesh)Aged80 and over (mesh)Cognition (mesh)Genetic Loci (mesh)Genetic Predisposition to Disease (mesh)Humans (mesh)Mental Disorders (mesh)Middle Aged (mesh)Multifactorial Inheritance (mesh)Neurodegenerative Diseases (mesh)Neurodevelopmental Disorders (mesh)PolymorphismSingle Nucleotide (mesh)Reaction Time (mesh)Young Adult (mesh)Humans (mesh)Neurodegenerative Diseases (mesh)Genetic Predisposition to Disease (mesh)Cognition (mesh)Reaction Time (mesh)Mental Disorders (mesh)Multifactorial Inheritance (mesh)PolymorphismSingle Nucleotide (mesh)Adolescent (mesh)Adult (mesh)Aged (mesh)Aged80 and over (mesh)Middle Aged (mesh)Young Adult (mesh)Genetic Loci (mesh)Neurodevelopmental Disorders (mesh)Adolescent (mesh)Adult (mesh)Aged (mesh)Aged80 and over (mesh)Cognition (mesh)Genetic Loci (mesh)Genetic Predisposition to Disease (mesh)Humans (mesh)Mental Disorders (mesh)Middle Aged (mesh)Multifactorial Inheritance (mesh)Neurodegenerative Diseases (mesh)Neurodevelopmental Disorders (mesh)PolymorphismSingle Nucleotide (mesh)Reaction Time (mesh)Young Adult (mesh)application/pdfpubliceScholarship, University of Californiahttps://escholarship.org/uc/item/13g1w2rchttps://escholarship.org/content/qt13g1w2rc/qt13g1w2rc.pdfinfo:doi/10.1038/s41467-018-04362-xarticleNature Communications, vol 9, iss 12098oai:escholarship.org:ark:/13030/qt25p6f3np2026-04-04T05:49:35Zqt25p6f3npSearch for lepton-flavor-violating decays of the Z boson into a τ lepton and a light lepton with the ATLAS detectorAaboud, MAad, GAbbott, BAbdinov, OAbeloos, BAbhayasinghe, DKAbidi, SHAbouZeid, OSAbraham, NLAbramowicz, HAbreu, HAbulaiti, YAcharya, BSAdachi, SAdamczyk, LAdelman, JAdersberger, MAdiguzel, AAdye, TAffolder, AAAfik, YAgheorghiesei, CAguilar-Saavedra, JAAhmadov, FAielli, GAkatsuka, SÅkesson, TPAAkilli, EAkimov, AVAlberghi, GLAlbert, JAlbicocco, PVerzini, MJ AlconadaAlderweireldt, SAleksa, MAleksandrov, INAlexa, CAlexopoulos, TAlhroob, MAli, BAlimonti, GAlison, JAlkire, SPAllaire, CAllbrooke, BMMAllen, BWAllport, PPAloisio, AAlonso, AAlonso, FAlpigiani, CAlshehri, AAAlstaty, MIGonzalez, B AlvarezPiqueras, D ÁlvarezAlviggi, MGAmadio, BTCoutinho, Y AmaralAmbroz, LAmelung, CAmidei, DDos Santos, SP AmorAmoroso, SAmrouche, CSAnastopoulos, CAncu, LSAndari, NAndeen, TAnders, CFAnders, JKAnderson, KJAndreazza, AAndrei, VAnelli, CRAngelidakis, SAngelozzi, IAngerami, AAnisenkov, AVAnnovi, AAntel, CAnthony, MTAntonelli, MAntrim, DJAAnulli, FAoki, MBella, L AperioArabidze, GArai, YAraque, JPFerraz, V AraujoPereira, R AraujoArce, ATHArdell, REArduh, FAArguin, J-FArgyropoulos, SArmbruster, AJArmitage, LJArmstrong, AArnaez, O2018-11-01Direct searches for lepton flavor violation in decays of the Z boson with the ATLAS detector at the LHC are presented. Decays of the Z boson into an electron or muon and a hadronically decaying τ lepton are considered. The searches are based on a data sample of proton-proton collisions collected by the ATLAS detector in 2015 and 2016, corresponding to an integrated luminosity of 36.1 fb-1 at a center-of-mass energy of s=13 TeV. No statistically significant excess of events above the expected background is observed, and upper limits on the branching ratios of lepton-flavor-violating decays are set at the 95% confidence level: B(Z→eτ)<5.8×10-5 and B(Z→μτ)<2.4×10-5. This is the first limit on B(Z→eτ) with ATLAS data. The upper limit on B(Z→μτ) is combined with a previous ATLAS result based on 20.3 fb-1 of proton-proton collision data at a center-of-mass energy of s=8 TeV and the combined upper limit at 95% confidence level is B(Z→μτ)<1.3×10-5.5106 Nuclear and Plasma Physics (for-2020)5107 Particle and High Energy Physics (for-2020)51 Physical Sciences (for-2020)hep-exhep-expubliceScholarship, University of Californiahttps://escholarship.org/uc/item/25p6f3npinfo:doi/10.1103/physrevd.98.092010articlePhysical Review D, vol 98, iss 9092010oai:escholarship.org:ark:/13030/qt4p35d3wg2026-04-04T05:49:25Zqt4p35d3wgAccurate modeling of the hose instability in plasma wakefield acceleratorsMehrling, TJBenedetti, CSchroeder, CBde la Ossa, A MartinezOsterhoff, JEsarey, ELeemans, WP2018-05-01Hosing is a major challenge for the applicability of plasma wakefield accelerators and its modeling is therefore of fundamental importance to facilitate future stable and compact plasma-based particle accelerators. In this contribution, we present a new model for the evolution of the plasma centroid, which enables the accurate investigation of the hose instability in the nonlinear blowout regime. It paves the road for more precise and comprehensive studies of hosing, e.g., with drive and witness beams, which were not possible with previous models.5106 Nuclear and Plasma Physics (for-2020)5109 Space Sciences (for-2020)51 Physical Sciences (for-2020)0201 Astronomical and Space Sciences (for)0202 AtomicMolecularNuclearParticle and Plasma Physics (for)0203 Classical Physics (for)Fluids & Plasmas (science-metrix)5106 Nuclear and plasma physics (for-2020)5109 Space sciences (for-2020)application/pdfpubliceScholarship, University of Californiahttps://escholarship.org/uc/item/4p35d3wghttps://escholarship.org/content/qt4p35d3wg/qt4p35d3wg.pdfinfo:doi/10.1063/1.5017960articlePhysics of Plasmas, vol 25, iss 5056703oai:escholarship.org:ark:/13030/qt40d0s1r92026-04-04T05:48:57Zqt40d0s1r9Overview of the DESI Legacy Imaging SurveysDey, ArjunSchlegel, David JLang, DustinBlum, RobertBurleigh, KaylanFan, XiaohuiFindlay, Joseph RFinkbeiner, DougHerrera, DavidJuneau, StéphanieLandriau, MartinLevi, MichaelMcGreer, IanMeisner, AaronMyers, Adam DMoustakas, JohnNugent, PeterPatej, AnnaSchlafly, Edward FWalker, Alistair RValdes, FranciscoWeaver, Benjamin AYèche, ChristopheZou, HuZhou, XuAbareshi, BehzadAbbott, TMCAbolfathi, BelaAguilera, CAlam, ShadabAllen, LoriAlvarez, AAnnis, JamesAnsarinejad, BehzadAubert, MarieBeechert, JacquelineBell, Eric FBenZvi, Segev YBeutler, FlorianBielby, Richard MBolton, Adam SBriceño, CésarBuckley-Geer, Elizabeth JButler, KarenCalamida, AnnalisaCarlberg, Raymond GCarter, PaulCasas, RicardCastander, Francisco JChoi, YumiComparat, JohanCukanovaite, ElenaDelubac, TimothéeDeVries, KaitlinDey, SharmilaDhungana, GovindaDickinson, MarkDing, ZhejieDonaldson, John BDuan, YutongDuckworth, Christopher JEftekharzadeh, SarahEisenstein, Daniel JEtourneau, ThomasFagrelius, Parker AFarihi, JayFitzpatrick, MikeFont-Ribera, AndreuFulmer, LeahGänsicke, Boris TGaztanaga, EnriqueGeorge, KoshyGerdes, David WGontcho, Satya Gontcho AGorgoni, ClaudioGreen, GregoryGuy, JulienHarmer, DianeHernandez, MHonscheid, KlausHuang, LijuanJames, David JJannuzi, Buell TJiang, LinhuaJoyce, RichardKarcher, ArminKarkar, SoniaKehoe, RobertJean-Paul, KneibKueter-Young, AndreaLan, Ting-WenLauer, Tod RLe Guillou, LaurentLe Van Suu, AugusteLee, Jae HyeonLesser, MichaelLevasseur, Laurence PerreaultLi, Ting SMann, Justin LMarshall, Robert2019-05-01The DESI Legacy Imaging Surveys (http://legacysurvey.org/) are a combination of three public projects (the Dark Energy Camera Legacy Survey, the Beijing–Arizona Sky Survey, and the Mayall z-band Legacy Survey) that will jointly image ≈14,000 deg2 of the extragalactic sky visible from the northern hemisphere in three optical bands (g, r, and z) using telescopes at the Kitt Peak National Observatory and the Cerro Tololo Inter-American Observatory. The combined survey footprint is split into two contiguous areas by the Galactic plane. The optical imaging is conducted using a unique strategy of dynamically adjusting the exposure times and pointing selection during observing that results in a survey of nearly uniform depth. In addition to calibrated images, the project is delivering a catalog, constructed by using a probabilistic inference-based approach to estimate source shapes and brightnesses. The catalog includes photometry from the grz optical bands and from four mid-infrared bands (at 3.4, 4.6, 12, and 22 μm) observed by the Wide-field Infrared Survey Explorer satellite during its full operational lifetime. The project plans two public data releases each year. All the software used to generate the catalogs is also released with the data. This paper provides an overview of the Legacy Surveys project.5109 Space Sciences (for-2020)51 Physical Sciences (for-2020)Biomedical Imaging (rcdc)catalogssurveysastro-ph.IMastro-ph.IM0201 Astronomical and Space Sciences (for)Astronomy & Astrophysics (science-metrix)5101 Astronomical sciences (for-2020)5107 Particle and high energy physics (for-2020)application/pdfpubliceScholarship, University of Californiahttps://escholarship.org/uc/item/40d0s1r9https://escholarship.org/content/qt40d0s1r9/qt40d0s1r9.pdfinfo:doi/10.3847/1538-3881/ab089darticleThe Astronomical Journal, vol 157, iss 5168oai:escholarship.org:ark:/13030/qt3q55s2pf2026-04-04T05:48:20Zqt3q55s2pfπ0 and η meson production in proton-proton collisions at s=8 TeVAcharya, SAdam, JAdamová, DAdolfsson, JAggarwal, MMAglieri Rinella, GAgnello, MAgrawal, NAhammed, ZAhmad, NAhn, SUAiola, SAkindinov, AAl-Turany, MAlam, SNAlba, JLBAlbuquerque, DSDAleksandrov, DAlessandro, BAlfaro Molina, RAlici, AAlkin, AAlme, JAlt, TAltenkamper, LAltsybeev, IPrado, C Alves GarciaAndrei, CAndreou, DAndrews, HAAndronic, AAnguelov, VAnson, CAntičić, TAntinori, FAntonioli, PAnwar, RAphecetche, LAppelshäuser, HArcelli, SArnaldi, RArnold, OWArsene, ICArslandok, MAudurier, BAugustinus, AAverbeck, RAzmi, MDBadalà, ABaek, YWBagnasco, SBailhache, RBala, RBaldisseri, ABall, MBaral, RCBarbano, AMBarbera, RBarile, FBarioglio, LBarnaföldi, GGBarnby, LSBarret, VBartalini, PBarth, KBartsch, EBasile, MBastid, NBasu, SBatigne, GBatyunya, BBatzing, PCBearden, IGBeck, HBedda, CBehera, NKBelikov, IBellini, FBello Martinez, HBellwied, RBeltran, LGEBelyaev, VBencedi, GBeole, SBercuci, ABerdnikov, YBerenyi, DBertens, RABerzano, DBetev, LBhasin, ABhat, IRBhati, AKBhattacharjee, BBhom, JBianchi, ABianchi, LBianchi, NBianchin, CBielčík, J2018-03-01An invariant differential cross section measurement of inclusive π0$$\pi ^{0}$$ and η$$\eta $$ meson production at mid-rapidity in pp collisions at s=8$$\sqrt{s}=8$$ TeV was carried out by the ALICE experiment at the LHC. The spectra of π0$$\pi ^{0}$$ and η$$\eta $$ mesons were measured in transverse momentum ranges of 0.33.5$$p_{ \text{ T }} >3.5$$ GeV/c$$\text{ GeV/c }$$. However, a deviation from this empirical scaling rule is observed for transverse momenta below pT<3.5$$p_{ \text{ T }} <3.5$$ GeV/c$$\text{ GeV/c }$$ in the η/π0$$\eta /\pi ^0$$ ratio with a significance of 6.2σ$$6.2\sigma $$.5106 Nuclear and Plasma Physics (for-2020)5107 Particle and High Energy Physics (for-2020)51 Physical Sciences (for-2020)0202 AtomicMolecularNuclearParticle and Plasma Physics (for)0206 Quantum Physics (for)Nuclear & Particles Physics (science-metrix)5101 Astronomical sciences (for-2020)5102 Atomicmolecular and optical physics (for-2020)5107 Particle and high energy physics (for-2020)publiceScholarship, University of Californiahttps://escholarship.org/uc/item/3q55s2pfinfo:doi/10.1140/epjc/s10052-018-5612-8articleEuropean Physical Journal C, vol 78, iss 3263oai:escholarship.org:ark:/13030/qt3d96691n2026-04-04T05:45:06Zqt3d96691nSearch for pair production of heavy vector-like quarks decaying into high-pTW bosons and top quarks in the lepton-plus-jets final state in pp collisions at s=13 TeV with the ATLAS detectorThe ATLAS collaborationAaboud, MAad, GAbbott, BAbdinov, OAbeloos, BAbhayasinghe, DKAbidi, SHAbouZeid, OSAbraham, NLAbramowicz, HAbreu, HAbulaiti, YAcharya, BSAdachi, SAdamczyk, LAdelman, JAdersberger, MAdiguzel, AAdye, TAffolder, AAAfik, YAgheorghiesei, CAguilar-Saavedra, JAAhmadov, FAielli, GAkatsuka, SÅkesson, TPAAkilli, EAkimov, AVAlberghi, GLAlbert, JAlbicocco, PAlconada Verzini, MJAlderweireldt, SAleksa, MAleksandrov, INAlexa, CAlexopoulos, TAlhroob, MAli, BAlimonti, GAlison, JAlkire, SPAllaire, CAllbrooke, BMMAllen, BWAllport, PPAloisio, AAlonso, AAlonso, FAlpigiani, CAlshehri, AAAlstaty, MIAlvarez Gonzalez, BÁlvarez Piqueras, DAlviggi, MGAmadio, BTAmaral Coutinho, YAmbroz, LAmelung, CAmidei, DAmor Dos Santos, SPAmoroso, SAmrouche, CSAnastopoulos, CAncu, LSAndari, NAndeen, TAnders, CFAnders, JKAnderson, KJAndreazza, AAndrei, VAnelli, CRAngelidakis, SAngelozzi, IAngerami, AAnisenkov, AVAnnovi, AAntel, CAnthony, MTAntonelli, MAntrim, DJAAnulli, FAoki, MAperio Bella, LArabidze, GArai, YAraque, JPAraujo Ferraz, VAraujo Pereira, RArce, ATHArdell, REArduh, FAArguin, J-FArgyropoulos, SArmbruster, AJArmitage, LJArmstrong, A2018-08-01A search is presented for the pair production of heavy vector-like B quarks, primarily targeting B quark decays into a W boson and a top quark. The search is based on 36.1 fb−1 of pp collisions at s=13 TeV recorded in 2015 and 2016 with the ATLAS detector at the CERN Large Hadron Collider. Data are analysed in the lepton-plus-jets final state, characterised by a high-transverse-momentum isolated electron or muon, large missing transverse momentum, and multiple jets, of which at least one is b-tagged. No significant deviation from the Standard Model expectation is observed. The 95% confidence level lower limit on the B mass is 1350 GeV assuming a 100% branching ratio to Wt. In the SU(2) singlet scenario, the lower mass limit is 1170 GeV. The 100% branching ratio limits are found to be also applicable to heavy vector-like X production, with charge +5/3, that decay into Wt. This search is also sensitive to a heavy vector-like B quark decaying into other final states (Zb and Hb) and thus mass limits on B production are set as a function of the decay branching ratios.[Figure not available: see fulltext.].5106 Nuclear and Plasma Physics (for-2020)5107 Particle and High Energy Physics (for-2020)51 Physical Sciences (for-2020)ExoticsHadron-Hadron scattering (experiments)vector-like quarkshep-exhep-ex0105 Mathematical Physics (for)0202 AtomicMolecularNuclearParticle and Plasma Physics (for)0206 Quantum Physics (for)Nuclear & Particles Physics (science-metrix)4902 Mathematical physics (for-2020)5106 Nuclear and plasma physics (for-2020)5107 Particle and high energy physics (for-2020)publiceScholarship, University of Californiahttps://escholarship.org/uc/item/3d96691ninfo:doi/10.1007/jhep08(2018)048articleJournal of High Energy Physics, vol 2018, iss 848oai:escholarship.org:ark:/13030/qt77n232362026-04-04T05:44:25Zqt77n23236An accurate and efficient laser-envelope solver for the modeling of laser-plasma acceleratorsBenedetti, CSchroeder, CBGeddes, CGREsarey, ELeemans, WP2018-01-01Detailed and reliable numerical modeling of laser-plasma accelerators (LPAs), where a short and intense laser pulse interacts with an underdense plasma over distances of up to a meter, is a formidably challenging task. This is due to the great disparity among the length scales involved in the modeling, ranging from the micron scale of the laser wavelength to the meter scale of the total laser-plasma interaction length. The use of the time-averaged ponderomotive force approximation, where the laser pulse is described by means of its envelope, enables efficient modeling of LPAs by removing the need to model the details of electron motion at the laser wavelength scale. Furthermore, it allows simulations in cylindrical geometry which captures relevant 3D physics at 2D computational cost. A key element of any code based on the time-averaged ponderomotive force approximation is the laser envelope solver. In this paper we present the accurate and efficient envelope solver used in the code INF&RNO (INtegrated Fluid & paRticle simulatioN cOde). The features of the INF&RNO laser solver enable an accurate description of the laser pulse evolution deep into depletion even at a reasonably low resolution, resulting in significant computational speed-ups.5106 Nuclear and Plasma Physics (for-2020)51 Physical Sciences (for-2020)numerical modelinglaser-plasma interactionlaser propagation in plasmalaser-plasma accelerator0202 AtomicMolecularNuclearParticle and Plasma Physics (for)0299 Other Physical Sciences (for)Fluids & Plasmas (science-metrix)5106 Nuclear and plasma physics (for-2020)application/pdfpubliceScholarship, University of Californiahttps://escholarship.org/uc/item/77n23236https://escholarship.org/content/qt77n23236/qt77n23236.pdfinfo:doi/10.1088/1361-6587/aa8977articlePlasma Physics and Controlled Fusion, vol 60, iss 1014002oai:escholarship.org:ark:/13030/qt9xq6t0c92026-04-04T05:44:15Zqt9xq6t0c9Reliability and Minimal Clinically Important Differences of FVC. Results from the Scleroderma Lung Studies (SLS-I and SLS-II)Kafaja, SuzanneClements, Philip JWilhalme, HollyTseng, Chi-hongFurst, Daniel EKim, Grace HyunGoldin, JonathanVolkmann, Elizabeth RRoth, Michael DTashkin, Donald PKhanna, DineshArbor, AnnKhanna, DAngeles, LosClements, PJTashkin, DPElashoff, RGoldin, JRoth, MFurst, DBulpitt, KChung, W-LJViasco, SSterz, MWoolcock, LYan, XHo, JVasunilashorn, Sda Costa, ISeibold, JRRiley, DJAmorosa, JKHsu, VMMcCloskey, DAWilson, JEVarga, JSchraufnagel, DWilbur, ALapota, DArami, SCole-Saffold, PSimms, RTheodore, AClarke, PKorn, JTobin, KNuite, MSilver, RBolster, MStrange, CSchabel, SSmith, EArnold, JCaldwell, KBonner, MWise, RWigley, FWhite, BHummers, LBohlman, MPolito, ALeatherman, GForbes, EDaniel, MSteen, VRead, CCooper, CWheaton, SCarey, AOrtiz, AMayes, MParsley, EOldham, SFilemon, TJordan, SPerry, MK. ConnollyGolden, JWolters, PWebb, RDavis, JAntolos, CMaynetto, CFessler, BOlman, MSanders, CHeck, LParkhill, TRothfield, NMetersky, MCobb, RAberles, MIngenito, FBreen, EMayes, MMubarak, KGranda, JLSilva, JInjic, ZAlexander, R2018-03-01OBJECTIVES: To assess the reliability and the minimal clinically important differences (MCID) for FVC% predicted in the Scleroderma Lung Study I and II.
METHODS: Using data from SLS I and II (N=300), we evaluated the test-retest reliability for FVC% predicted (FVC%; screening vs. baseline) using intra-class correlation (ICC). MCID estimates at 12 months were calculated in the pooled cohort (SLS-I and II) using 2 anchors: Transition Dyspnea Index (≥change of 1.5 units for improvement and worsening, respectively) and the SF-36 Health Transition question: "Compared to one year ago, how would you rate your health in general now?", where "somewhat better" or "somewhat worse" were defined as the MCID estimates. We next assessed the association of MCID estimates for improvement and worsening of FVC% with patient reported outcomes (PROs) and computer-assisted quantitation of extent of fibrosis (QLF) and of total ILD (QILD) on HRCT.
RESULTS: Reliability of FVC%, assessed at a mean of 34 days, was 0.93 for the pooled cohort. The MCID estimates for the pooled cohort at 12 months for FVC% improvement ranged from 3.0 % to 5.3% and for worsening from -3.0% to -3.3%. FVC% improvement by ≥MCID was associated with either statistically significant or numerical improvements in some PROs, QILD, and QLF, while FVC% worsening ≥MCID was associated with statistically significant or numerical worsening of PROs, QILD, and QLF.
CONCLUSION: FVC% has acceptable test-retest reliability, and we have provided the MCID estimates for FVC% in SSc-ILD based changes at 12 months from baseline in two clinical trials. Clinical trial registration available at www.clinicaltrials.gov, IDs NCT00004563 and NCT00883129.32 Biomedical and Clinical Sciences (for-2020)3202 Clinical Sciences (for-2020)Autoimmune Disease (rcdc)Clinical Research (rcdc)Scleroderma (rcdc)Rare Diseases (rcdc)Lung (rcdc)Cohort Studies (mesh)Disease Progression (mesh)Female (mesh)Humans (mesh)Lung (mesh)Lung DiseasesInterstitial (mesh)Male (mesh)Middle Aged (mesh)Minimal Clinically Important Difference (mesh)Reproducibility of Results (mesh)SclerodermaSystemic (mesh)Vital Capacity (mesh)interstitial lung diseasesystemic sclerosisFVC%minimal clinically important differencespatient-reported outcomesLung (mesh)Humans (mesh)Lung DiseasesInterstitial (mesh)SclerodermaSystemic (mesh)Disease Progression (mesh)Vital Capacity (mesh)Cohort Studies (mesh)Reproducibility of Results (mesh)Middle Aged (mesh)Female (mesh)Male (mesh)Minimal Clinically Important Difference (mesh)Cohort Studies (mesh)Disease Progression (mesh)Female (mesh)Humans (mesh)Lung (mesh)Lung DiseasesInterstitial (mesh)Male (mesh)Middle Aged (mesh)Minimal Clinically Important Difference (mesh)Reproducibility of Results (mesh)SclerodermaSystemic (mesh)Vital Capacity (mesh)11 Medical and Health Sciences (for)Respiratory System (science-metrix)3201 Cardiovascular medicine and haematology (for-2020)3202 Clinical sciences (for-2020)application/pdfpubliceScholarship, University of Californiahttps://escholarship.org/uc/item/9xq6t0c9https://escholarship.org/content/qt9xq6t0c9/qt9xq6t0c9.pdfinfo:doi/10.1164/rccm.201709-1845ocarticleAmerican Journal of Respiratory and Critical Care Medicine, vol 197, iss 5644 - 652oai_dc::500:496382:eyJmaXJzdCI6NTAwLCJiZWZvcmUiOiIyMDI2LTA0LTA0VDEwOjIwOjEwLTA3OjAwIiwiYWZ0ZXIiOiIyMDE0LTA5LTIwVDA2OjU5OjU5WiIsImluY2x1ZGUiOlsiUFVCTElTSEVEIiwiRU1CQVJHT0VEIl0sIm9yZGVyIjoiVVBEQVRFRF9ERVNDIiwibGFzdElEIjoicXQ5eHE2dDBjOSIsImxhc3REYXRlIjoiMjAyNi0wNC0wM1QyMjo0NDoxNS0wNzowMCJ9