# Europhysics Conference on High-Energy Physics 2011

20-27 July 2011
Alpes Congrès - Alpexpo
Europe/Paris timezone

## Measurement of Top Quark Pair Production and Decay Properties in pp collisions at 7 TeV using the CMS detector

21 Jul 2011, 15:30
15m
Stendhal (Universe)

### Stendhal

#### Universe

Parallel session talk Top and Electroweak Physics

### Speaker

Dr Amanda Deisher (UCLA/ETH)

### Description

We present measurements of various differential cross sections in top pair production in proton-proton collisions at the LHC at a centre-of-mass energy of 7 TeV. We use data collected by the CMS experiment during the year 2011. Cross sections are measured differentially as a function of various variables. We also present a measurement of the charge asymmetry in top-pair production. In order to measure the charge asymmetry in charge-symmetric initial state processes, the difference of absolute pseudo rapidities of top and anti-top is used. The results are compared with various theory predictions, and discussed in the context of forward-backward asymmetry measurements at Tevatron.

 Slides