Measurement Of The Differential Branching Fraction And Angular Analysis Of The Decay B0s Phi My My And Determination Of The Track Reconstruction Efficiencies At The Lhcb Experiment
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Angular Analysis of the Decay $ \mathrm{ B0̂ \to K{̂*0} \mu{̂+} \mu{̂-} }$ from Pp Collisions at $\sqrt{s}
The angular distributions and the differential branching fraction of the decay B0→K*(892)0?+?- 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 √s = 8 TeV. Additionally, from 1430 signal decays, the forward–backward asymmetry of the muons, the K*(892)0 longitudinal polarization fraction, and the differential branching fraction are determined as a function of the dimuon invariant mass squared. Our measurements are among the most precise to date and are in good agreement with standard model predictions.