Heavy Ion Physics with the Atlas Detector
Abstract
The heavy-ion program at the Large Hadron Collider has been commenced in November 2010 by three experiments including ATLAS, a multipurpose detector. It was originally constructed to study high-energy proton-proton collisions but now it also proves to be an excellent tool for studying nuclear interactions. In these proceedings results from the lead-lead run at root s(NN) = 2.76 TeV based on the minimum-bias data sample are reviewed. In particular, an observation of the centrality-dependent dijet asymmetry is reported. Also a centrality-dependent suppression in the yield of J/psi mesons decaying to mu(+)mu(-) pairs is discussed along with an observation of the Z boson production. These evidences may bring new insight to the dynamics of heavy-ion collisions.
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