Angular distributions of the decay B+→ K(892)+μ+μ are studied using events collected with the CMS detector in s = 8 TeV proton-proton collisions at the LHC, corresponding to an integrated luminosity of 20.0 fb−1. The forward-backward asymmetry of the muons and the longitudinal polarization of the K(892)+ meson are determined as a function of the square of the dimuon invariant mass. These are the first results from this exclusive decay mode and are in agreement with a standard model prediction. [Figure not available: see fulltext.]

Original languageEnglish
Article number124
JournalJournal of High Energy Physics
Issue number4
StatePublished - Apr 2021


  • B physics
  • Hadron-Hadron scattering (experiments)


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