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T: Fachverband Teilchenphysik

T 101: Top Quark V (Wirkungsquerschnitte)

T 101.2: Talk

Thursday, March 3, 2016, 17:00–17:15, VMP9 HS

Measurements of differential top cross-sections in the dilepton channel at 13 TeV with the ATLAS experiment — •Abigail O’Rourke — DESY, Hamburg, Deutschland

Run 2 of the LHC allows the top quark pair production cross section to be measured at a centre of mass energy of 13 TeV. The higher centre of mass energy allows more precise measurement of differential cross-sections. These differential cross-section measurements provide a test of the Standard Model and are sensitive to possible beyond the Standard Model physics. The 3.2 fb⁻¹ of data provided by the ATLAS experiment in 2015 allows the measurement of the differential cross-section as functions of the kinematic variables of the tt system. Studies of these differential cross-section measurements are presented here in the dilepton channel.