Angular analysis of the decay B+ → K∗(892)+μ+μ− in proton-proton collisions at s $$ \sqrt{\mathrm{s}} $$ = 8 TeV
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13130_2021_Article_15382.pdf
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Author(s)
Sirunyan, A. M.
Tumasyan, A.
Adam, W.
Bergauer, T.
Dragicevic, M.
Escalante Del Valle, A.
Frühwirth, R.
Jeitler, M.
Krammer, N.
Lechner, L.
Date Issued
April 14, 2021
Publisher
Springer Berlin Heidelberg
Citation
Journal of High Energy Physics. 2021 Apr 14;2021(4):124
Version
Final published version
Abstract
Abstract
Angular distributions of the decay B+ → K∗(892)+μ+μ− are studied using events collected with the CMS detector in
s
$$ \sqrt{\mathrm{s}} $$
= 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.
MIT Department
Massachusetts Institute of Technology. Department of Physics
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Creative Commons Attribution
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DOI of Published Version
https://doi.org/10.1007/JHEP04(2021)124
