Angular analysis of the decay B+ →k+μ+μ- in proton-proton collisions at s =8 TeV

CMS Collaboration

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Abstract

The angular distribution of the flavor-changing neutral current decay B+→K+μ+μ- is studied in proton-proton collisions at a center-of-mass energy of 8 TeV. The analysis is based on data collected with the CMS detector at the LHC, corresponding to an integrated luminosity of 20.5 fb-1. The forward-backward asymmetry AFB of the dimuon system and the contribution FH from the pseudoscalar, scalar, and tensor amplitudes to the decay width are measured as a function of the dimuon mass squared. The measurements are consistent with the standard model expectations.

Original languageEnglish (US)
Article number112011
JournalPhysical Review D
Volume98
Issue number11
DOIs
StatePublished - Dec 1 2018

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