CP Violation in Beauty to Open Charm Decays at LHCb
A.R. Wiederhold*
on behalf of the LHCb collaboration*: corresponding author
Pre-published on:
January 03, 2025
Published on:
April 29, 2025
Abstract
A precise measurement of the CKM angle $\gamma$ is a central goal of the LHCb experiment. During the first two runs of the LHC the LHCb experiment collected 9 $\text{fb}^{-1}$ of data, corresponding to a rich dataset of Beauty and Charm hadron decays. Measurements of $CP$ violation in the decays of $B^+$ and $B_{(s)}^0$ mesons have been performed with a variety of final states and diverse methods, resulting in world leading sensitivity. These are combined, along with complementary measurements of Charm mixing parameters, to yield a single LHCb value of $\gamma$ and related parameters. The updated combination for 2024 and a selection of notable inputs are presented, for which $\gamma = (64.6 \pm 2.8)^\circ$.
DOI: https://doi.org/10.22323/1.476.0441
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