Volume 391 - 19th International Conference on B-Physics at Frontier Machines (BEAUTY2020) - Main session
Measurement of time-dependent $C\!P$ violation in $B$-meson decays at LHCb
S. Perazzini
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Published on: October 07, 2021
Abstract
Studying the $C\!P$ violation originating from the interference between the mixing and the decay processes of neutral $B$ mesons is an excellent instrument to investigate the presence of physics beyond the Standard Model. In this paper the most recent measurements of time-dependent $C\!P$ violation in $B^{0}_{(s)}$ decays performed by the LHCb collaboration are presented. The measurements are conducted using proton-proton collisions data recorded with the LHCb detector during the Run1 and Run2 of the LHC. The determination of the CKM phase difference $\gamma-2\beta_s$ using a sample of $B_s^0\to D_s^- K^+\pi^+\pi^-$ decays is shown, as well as the first observation of time-dependent $C\!P$ violation in the $B_s^0$ sector using a sample of $B_s^0\to K^+K^-$ decays.
DOI: https://doi.org/10.22323/1.391.0010
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