Volume 377 - 18th International Conference on B-Physics at Frontier Machines (Beauty2019) - CPV B mesons
$\phi_{s}$ status and prospects at LHCb
K. Govorkova
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Pre-published on: March 19, 2020
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Abstract
Recent measurements of the time-dependent CP violation by the LHCb experiment are presented. The decays of $B_s$ mesons to $J/\psi K^+ K^-$ and $J/\psi \pi^+ \pi^-$ final states are used to measure the CP-violating phase $\phi_{s}$ in tree-dominated transitions, while $B_s^0\to(K^+ \pi^-) (K^- \pi^+)$ and $B_s^0\to \phi \phi$ decay modes are used to measure the CP violating phases $\phi_{s}^{sd\overline{d}}$ and $\phi_{s}^{ss\overline{s}}$, which arise in penguin-dominated decays. The most recent status of the analyses of the four decay modes is summarised.
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