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Angular analysis of the decay B+ → K(892)+ μ + μ in proton-proton collisions at √s = 8 TeV

  • The CMS collaboration
  • , The CMS collaboration
  • , The CMS collaboration
  • , The CMS collaboration
  • , The CMS collaboration

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Résumé

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.]

langue originaleAnglais
Numéro d'article124
journalJournal of High Energy Physics
Volume2021
Numéro de publication4
Les DOIs
étatPublié - 1 avr. 2021

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