Hamburg 2016 – wissenschaftliches Programm
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T: Fachverband Teilchenphysik
T 100: Elektroschwache Wechselwirkung (Experiment) III
T 100.6: Vortrag
Donnerstag, 3. März 2016, 18:00–18:15, VMP8 SR 206
Measurement of the Z boson cross section at √s = 13 TeV — •Artur Trofymov — DESY, Hamburg, Germany
Measurements of the Z → l+ l− (where ll = e+ e−, µ+ µ− ) production cross sections in proton-proton collisions at √s = 13 TeV are presented using data recorded by the ATLAS experiment at the LHC, corresponding to a total integrated luminosity of approximately 85 pb −1. The total inclusive Z boson production cross section within the invariant mass window 66 < mll < 116 GeV was measured. The Z boson production cross section and its ratios to W± and t t production cross sections are measured within a fiducial region defined by the detector acceptance. Theoretical predictions based on NNLO and NLO QCD calculations using different PDF sets and predictions from different Monte Carlo generators are compared to the measurements.