Physics – High Energy Physics – High Energy Physics - Experiment
Scientific paper
2008-08-19
Nuovo Cim.B123:1327-1330,2008
Physics
High Energy Physics
High Energy Physics - Experiment
Proceedings of the International Workshop on Top Quark Physics, 18-24 May 2008, La Biodola, Isola D'Elba, Italy
Scientific paper
10.1393/ncb/i2008-10710-8
Sytematic uncertainties to the single top production cross section measurement at the ATLAS experiment has been studied. Different sources of systematic uncertainties such as detector luminosity, jet energy calibration, SM background normalization, PDF parameterization and others have been considered. Large scale Monte-Carlo events simulation has been performed to estimate the contribution of each source in the overall uncertainty. The study was done for cut based analysis as well as for multivariate analysis of the single top measurements in ATLAS. The total systematic uncertainties of the single top cross-section measurements in its three production channels have been estimated at 1 $\mathrm{fb}^{-1}$ and 10 $\mathrm{fb}^{-1}$ integrated luminosity of the LHC.
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