Physics – High Energy Physics – High Energy Physics - Experiment
Scientific paper
2011-11-22
Physics
High Energy Physics
High Energy Physics - Experiment
3 pages, 2 figures, proceedings of XXXI Physics in Collision, Vancouver, BC Canada, August 28 - September 1, 2011
Scientific paper
We present the measurement of the inclusive electron spectrum in proton-proton collisions at a centre-of-mass energy of 7 TeV, using 1.3 pb-1 of data collected by the ATLAS experiment at the Large Hadron Collider. Signal electrons in the transverse momentum range 7 < pt < 26 GeV and within |eta| <2.0, excluding 1.37<|eta|<1.52, are extracted from the dominant hadron and conversion backgrounds. After subtraction of the small W/Z/gamma* contribution, the cross-section as a function of pt is found to be in good agreement with theoretical predictions for heavy flavour production from Fixed Order NLO calculations with Next-to-Leading-Log high pt resummation.
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