PoS - Proceedings of Science
Volume 462 - 16th International Conference on Heavy Quarks and Leptons (HQL2023) - CP Violation
Determination of $\gamma$ including BESIII inputs
P.K. Resmi
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Abstract
A precise measurement of Cabibbo-Kobayashi-Maskawa unitarity triangle angle $\gamma$ is crucial for testing the Standard Model description of $CP$ violation and probing for new physics effects. The precision can be improved by exploring new $B$ and $D$ decay modes. Measurements of $\gamma$ are statistically limited and hence obtaining $D$ decay parameters from $B$ decay data leads to further loss in precision. So, external inputs are crucial, especially in multibody $D$ decays. They are measured at BESIII. $\gamma$ measurements at LHCb and Belle(II) which include the $D$ decay input from BESIII are presented.
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