Volume 398 - The European Physical Society Conference on High Energy Physics (EPS-HEP2021) - T08: Flavour Physics and CP Violation
CP violation in charmless 2-body B meson decays at LHCb
T. Grammatico*  on behalf of the LHCb collaboration
Full text: pdf
Pre-published on: January 12, 2022
Published on: May 12, 2022
Abstract
Charmless 2-body B-meson decays can present large $C\!P$ asymmetries.
The study of $C\!P$ violation in the decay $B^+ \rightarrow K^+ \pi^0$ can help to better understand the $K\pi$-puzzle. We report here the latest LHCb measurement of the direct $C\!P$ asymmetry, which is the most precise as for now.
Observation of $C\!P$ violation in 2-body $B^0_{(s)}$-meson decays to charged pions and kaons can help constraining the CKM unitarity triangle.
The study of these observables in LHCb, presented here, results in the first observation of time-dependent $C\!P$ asymmetry in a $B_s^0$-meson decay.
DOI: https://doi.org/10.22323/1.398.0516
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