Search for new physics in $B_s$-mixing

Abstract

We present the current status of the search for new physics effects in the mixing quantities $\Delta M_s$, $\Delta {\Gamma }_s$ and ${\varphi }_s$ of the neutral $B_s$-system.

Comments: Invited talk at Continuous Advances in QCD (CAQCD-08), May 15-18, 2008, Minneapolis; 9 pages; 2 References added