# CKM 2018 Summary of Working Group 4: Mixing and mixing-related CP violation in the B system $\Delta M$, $\Delta \Gamma$, $\phi_s$, $\phi_1/\beta$, $\phi_2/\alpha$, $\phi_3/\gamma$

## TL;DR

This paper summarizes the discussions and findings of Working Group 4 at the 10th CKM Workshop, focusing on mixing and CP violation in the B meson system, including parameters like ΔM, ΔΓ, and various CP-violating phases.

## Contribution

It provides a comprehensive overview of recent experimental and theoretical progress in understanding B meson mixing and CP violation from the 2018 CKM Workshop.

## Key findings

- Updated measurements of B meson mixing parameters
- Recent results on CP-violating phases in B decays
- Summary of theoretical developments in B system CP violation

## Abstract

We summarise the excellent talks of Working group 4 at the 10th CKM Workshop in Heidelberg taking place from 17th till 21st September 2018.