August 28, 2022 to September 1, 2022
Serbian Academy of Sciences and Arts – SASA
Europe/Belgrade timezone

Measurements of rare B meson decays properties with CMS Run2 data

Aug 29, 2022, 5:00 PM
Main Hall (Academy of Sciences and Arts - SASA)

Main Hall

Academy of Sciences and Arts - SASA

Board: S05-HEP-204
Oral presentation S05 High Energy Physics (Particles and Fields) S05 High Energy Physics (Particles and Fields)


Todor Ivanov


Rare B meson decays provide important input for studies of anomalies in $b \to s l^+l^-$ transitions. The $B^{0}_s \to \mu^+\mu^-$ is an example of a process with theoretically clean predictions and a clear experimental signature making it a perfect match for BSM physics searches. Here we present a measurement of $B^{0}_s \to \mu^+\mu^-$ branching fraction and effective lifetime in proton-proton collisions at $\sqrt{s} = 13 TeV$ using data collected with the CMS detector through years 2016-2018, corresponding to an integrated luminosity of $140 fb^{-1}$. The measurement results are found to be consistent with the SM predictions.

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