PoS - Proceedings of Science
Volume 398 - The European Physical Society Conference on High Energy Physics (EPS-HEP2021) - T08: Flavour Physics and CP Violation
Recent LHCb results on CP violation in beauty decays to charmonia
V. Lukashenko
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Pre-published on: January 26, 2022
Published on:
Abstract
The latest three results from LHCb with decays of B-mesons to charmonia states are presented.
The first measurement of the CP-violating phase \(\phi_s\) in the decay with electrons \(B_s^0 \to J/\psi (\to e^+ e^-) \phi\) is shown.
Results of an updated search of the rare decay \(B^0 \to J/\psi \phi\) are given.
A precise measurement of the fragmentation fraction ratio of \(B_s^0\) and \(B^0\), \(f_s/f_d\), extracted from a combination of most up-to-date LHCb results is reported.
DOI: https://doi.org/10.22323/1.398.0550
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