Flavor Physics with CMS at LHC

A Starodumov,M Biasini

doi:10.1016/j.nuclphysbps.2008.10.026

Abstract

The investigation of heavy flavor physics represents an alternative approach to direct New Physics searches at LHC. The CMS experiment concentrates its effort on decays with muons in the final state, that can be efficiently selected by the multiple-level triggers. We summarize here the perspective and expected results on different processes, from rare beauty hadron decays, τ decays and q q ¯ production, using data which will be collected in the first years of LHC running.

Highlights

We summarize here the perspective and expected results on different processes, from rare beauty hadron decays, τ decays and qqproduction, using data which will be collected in the first years of LHC running
There are several reasons why a general purpose detector like CMS designed for high pT physics could be efficiently used to study heavy flavor physics
In different scenarios of New Physics (NP) the branching fraction of these decays could be enhanced by orders of magnitude, which makes the observation of these channels even more probable

Summary

Introduction

There are several reasons why a general purpose detector like CMS designed for high pT physics could be efficiently used to study heavy flavor physics. In different scenarios of New Physics (NP) the branching fraction of these decays could be enhanced by orders of magnitude, which makes the observation of these channels even more probable. From the detector point of view heavy flavor physics is an attractive field. Thanks to the low pT (di)-muon triggers, precise vertex detector and efficient tracker system, the CMS detector is capable of efficiently recognizing and reconstructing specific topologies of b-decays. The study of b-jets provides with an important knowledge which might be crucial in searches for Higgs boson and supersymmetric particles. One should not forget that b- and heavy onia-decay channels provide an excellent calibration opportunity for the vertex and tracker systems

The CMS Detector

Trigger strategies

Physics channels

Findings

Conclusions