PoS - Proceedings of Science
Volume 390 - 40th International Conference on High Energy physics (ICHEP2020) - Parallel: Quark and Lepton Flavour Physics
Beauty to charmonuim decays at LHCb
P. Li* on behalf of the LHCb collaboration
*corresponding author
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Pre-published on: January 13, 2021
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The latest results of beauty meson decays to final states with charmonium resonances from LHCb are presented. This includes measurements of time-dependent CP violation parameters in $B_s^0\to J/\psi K^+K^-$ and $B_s^0\to J/\psi\pi^+\pi^-$ decay modes. Combined with the measurements from other decay modes, the latest world average of $\phi_s$ value is $\phi_s=(-0.051\pm0.023)~{\rm rad}$, dominated by the LHCb measurements.
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