PoS - Proceedings of Science
Volume 391 - 19th International Conference on B-Physics at Frontier Machines (BEAUTY2020) - Main session
Rare B decays at CMS
C. Kar*  on behalf of the CMS Collaboration
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Published on: October 07, 2021
In these proceedings, the recent measurements of the $B_{s}^{0}\to\mu^{+}\mu^{-}$ decay branching fraction and its effective lifetime and the search
for the $B^{0}\to\mu^{+}\mu^{-}$ decay using the data collected by the CMS experiment at LHC between the years 2011 and 2016 have been presented. Recently, a combined analysis of the
decays $B_{s}^{0}\to\mu^{+}\mu^{-}$ and $B^{0}\to\mu^{+}\mu^{-}$ by ATLAS, CMS, and LHCb has been performed, which is also discussed in this paper. The third part of these proceeding includes
the search for $\tau$ leptons decaying into three muons using the data collected by the CMS experiment in 2016.
DOI: https://doi.org/10.22323/1.391.0025
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