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

Angular distributions of the decay B$^+$ $\to$ K$^*$(892)$^+\mu^+\mu^-$ are studied using events collected with the CMS detector in $\sqrt{s} =$ 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.

Publication year:2021

Keywords:hep-ex

BOF-keylabel:yes

IOF-keylabel:yes

BOF-publication weight:3

Authors:International

Authors from:Higher Education

Accessibility:Open