PoS - Proceedings of Science
Volume 445 - 21st Conference on Flavor Physics and CP Violation (FPCP2023) - Rare decays of hadrons and leptons
Experimental status of $b \to s \{\gamma, e^+e^-, \mu^+\mu^-\}$ at the LHC
R. Henderson* and  On behalf of the ATLAS, CMS and LHCb Collaborations
Full text: pdf
Pre-published on: October 20, 2023
Published on: November 14, 2023
An overview of the status of measurements at the LHC on beauty hadron decays involving the $b \to s \{\gamma, e^+e^-, \mu^+\mu^-\}$ transitions is presented. Such decays are rare in the Standard Model and therefore particularly sensitive to potential New Physics contributions. Several anomalous measurements of $b \to s \ell^+ \ell^-$ decay rates, with $\ell = \mu, e$, have sparked significant interest over the past decade, with hints of New Physics appearing in the effective couplings of leptons to the electroweak interaction. The presently available data continues to support this interpretation; however, recent precise results alter the picture in an important way and bring interesting new developments.
DOI: https://doi.org/10.22323/1.445.0007
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