Angular analysis of the decay B$^+$ $\to$ K$^*$(892)$^+\mu^+\mu^-$ in proton-proton collisions at $\sqrt{s} =$ 8 TeV - INSPIRE

DataBETA

Angular analysis of the decay B $^+$ $\to$ K $^*$ (892) $^+\mu^+\mu^-$ in proton-proton collisions at $\sqrt{s} =$ 8 TeV

CMS

Collaboration

Oct 26, 2020

35 pages

Published in:

JHEP 04 (2021) 124

Published: Apr 14, 2021

e-Print:

2010.13968 [hep-ex]

DOI:

10.1007/JHEP04(2021)124 (publication)

PDG:

\Gamma _{L}/\Gamma

{{\mathit B}^{+}}

\rightarrow

{{\mathit \mu}^{+}}{{\mathit \mu}^{-}}{{\mathit K}^{*}{(892)}^{+}}

(1.0 < q{}^{2}< 8.68 GeV

{}^{2}

{}^{4}

Report number:

CMS-BPH-15-009,
CERN-EP-2020-188

Experiments:

CERN-LHC-CMS

View in:

reference search49 citations

Citations per year

Abstract: (Springer)

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.[graphic not available: see fulltext]

Note:

Replaced with the published version. Added the journal reference and the DOI. All the figures and tables can be found at http://cms-results.web.cern.ch/cms-results/public-results/publications/BPH-15-009 (CMS Public Pages)

B physics
Hadron-Hadron scattering (experiments)
p p: colliding beams
B+: semileptonic decay
p p: scattering
muon: pair production
K*(892): polarization
angular distribution: asymmetry
decay: angular distribution
polarization: longitudinal

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