Summary of CKM 2023 working group 5: Direct CP violation (DCPV) including $\phi_{3}/\gamma$ from $B\to DK$, DCPV effects, branching fractions and polarisation in charmless $B_{(s)}$ decays

TL;DR

This paper summarizes recent experimental and theoretical progress in measuring CP violation, branching fractions, and polarization in B meson decays, focusing on results from CKM2023 Working Group 5 activities.

Contribution

It provides an updated overview of new measurements and theoretical insights into CP violation and decay processes in B and b-baryon decays from CKM2023.

Findings

New $eta_{3}/ ext{gamma}$ measurements from $B o DK$ decays

Search results for CP violation in charmless B decays

Branching ratio measurements in hadronic B decays

Abstract

In this contribution a summary of the activities of Working Group 5 (WG5) presented during the 12th International Workshop on the CKM Unitarity Triangle (CKM2023) is reported. This includes new results on $\phi_{3}/\gamma$ measurements using $B\to DK$ decays, search for $CP$ violation using charmless $B$ decays and $b$-Baryon decays, measurement of branching ratios in hadronic $B$ to charm decays, and theory of three-body nonleptonic $B$ decays.