Angular analysis of the decay B$^+$ $\to$ K$^*$(892)$^+\mu^+\mu^-$ in proton-proton collisions at $\sqrt{s} =$ 8 TeV
p p: scattering
angular distribution: asymmetry
B+ --> K*(892)+ muon+ muon-
polarization: longitudinal
S041A41
S041A40
S041A44
530
S041A43
B physics
S041A42
B+: decay modes
muon: asymmetry
B+ --> K*(892)+ muon+ muon-
Hadron-Hadron scattering (experiments)
S041A39
[PHYS.HEXP]Physics [physics]/High Energy Physics - Experiment [hep-ex]
decay: angular distribution
info:eu-repo/classification/ddc/530
8000 GeV-cms
CMS
dimuon: mass spectrum
muon: pair production
mass spectrum: (muon+ muon-)
CERN LHC Coll
K*(892): polarization
B+: semileptonic decay
p p: colliding beams
experimental results
DOI:
10.18154/rwth-2021-05460
Publication Date:
2020-01-01
AUTHORS (2331)
ABSTRACT
Angular distributions of the decay B$^{+}$→ K$^{∗}$(892)$^{+}$μ$^{+}$μ$^{−}$ are studied using events collected with the CMS detector in $ \sqrt{\mathrm{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.<br/>Journal of high energy physics 04(4), 124 (1-34) (2021). doi:10.1007/JHEP04(2021)124<br/>Published by SISSA, [Trieste]<br/>
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