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Differential branching fraction and angular moments analysis of the decay B0 → K+π−μ+μ− in the K0,2∗(1430)0 region
- The LHCb collaboration;
- Aaij, R;
- Adeva, B;
- Adinolfi, M;
- Ajaltouni, Z;
- Akar, S;
- Albrecht, J;
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Published Web Location
https://doi.org/10.1007/jhep12(2016)065Abstract
Measurements of the differential branching fraction and angular moments of the decay B0 → K+π−μ+μ− in the K+π− invariant mass range 1330 < m(K+π−) < 1530 MeV/c2 are presented. Proton-proton collision data are used, corresponding to an integrated luminosity of 3 fb−1 collected by the LHCb experiment. Differential branching fraction measurements are reported in five bins of the invariant mass squared of the dimuon system, q2, between 0.1 and 8.0 GeV2/c4. For the first time, an angular analysis sensitive to the S-, P- and D-wave contributions of this rare decay is performed. The set of 40 normalised angular moments describing the decay is presented for the q2 range 1.1-6.0 GeV2/c4.
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