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Angular analysis of the decay B0→K∗0μ+μ−from pp collisions at √s=8TeV
CMS Collaboration
CMS Collaboration
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Abstract
The angular distributions and the differential branching fraction of the decay B0→K⁎(892)0μ+μ−B0→K⁎(892)0μ+μ− are studied using data corresponding to an integrated luminosity of 20.5 fb−1 collected with the CMS detector at the LHC in pp collisions at View the MathML sources=8 TeV. From 1430 signal decays, the forward–backward asymmetry of the muons, the K⁎(892)0K⁎(892)0 longitudinal polarization fraction, and the differential branching fraction are determined as a function of the dimuon invariant mass squared. The measurements are among the most precise to date and are in good agreement with standard model predictions.
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Date
2016-02-10
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Elsevier
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Keywords
CMS, Physics, B0 decays
Citation
CMS collaboration. (2016). Angular analysis of the decay B 0→ K⁎ 0 μ+ μ− from pp collisions at. Physics letters B, 753, 424-448.