Angular analysis and branching fraction measurement of the decay B0→K*0μ+μ-

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Abstract

The angular distributions and the differential branching fraction of the decay B0→K*(892)0μ+μ- are studied using a data sample corresponding to an integrated luminosity of 5.2fb-1 collected with the CMS detector at the LHC in pp collisions at s=7TeV. From more than 400 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 square of the dimuon invariant mass. The measurements are in good agreement with standard model predictions. © 2013 CERN.

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Chatrchyan, S., Khachatryan, V., Sirunyan, A. M., Tumasyan, A., Adam, W., Bergauer, T., … Swanson, J. (2013). Angular analysis and branching fraction measurement of the decay B0→K*0μ+μ-. Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics, 727(1–3), 77–100. https://doi.org/10.1016/j.physletb.2013.10.017

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