Physics – High Energy Physics – High Energy Physics - Experiment
Scientific paper
2008-08-07
Nuovo Cim.B123:1331-1333,2008
Physics
High Energy Physics
High Energy Physics - Experiment
3 pages
Scientific paper
10.1393/ncb/i2008-10697-0
We present simulations of the production cross-section measurement of top-antitop pairs in the di-leptonic decay channel with the ATLAS detector. This study uses the Commissioning Service Challenge (CSC) data, which is the latest and centrally produced Monte-Carlo data set to validate the detector simulation before the actual data taking. The signal process was generated with MC@NLO and important background processes were studied. A cut and count method and two likelihood methods were employed to measure the cross section and important systematic effects were investigated. The expected statistical and systematic errors for a luminosity of 100 $\ipb$ are also given.
ATLAS collaboration for the
Ta Duc Bao
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