Bs Mixing, DeltaGamma_s and CP Violation

TL;DR

This paper reviews Tevatron experimental results on B_s meson mixing, decay width differences, and CP violation, highlighting the first measurements of key parameters using flavor tagging and charge asymmetry analyses.

Contribution

It presents the first measurements of the decay width difference and CP-violating phase in the B_s system using flavor tagging at the Tevatron.

Findings

First measurement of eltalta_s at Tevatron

First measurement of eta_s (CP violating phase) at Tevatron

Charge asymmetry results in semileptonic B_s and B^ decays

Abstract

We discuss the results from the Tevatron experiments on mixing and {\sf CP} violation in the $B_s-\bar{B}_s^0$ system, with particular emphasis to the first measurements of the decay width-difference $\Delta\Gamma_s$ and the {\sf CP} violating phase $\beta_s$ using flavor tagging information. We also briefly review the charge asymmetry measurements in semileptonic $B_s$ decays and in $B^\pm \to J/\psi K^\pm$ decays.