Hamburg 2016 – wissenschaftliches Programm

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T: Fachverband Teilchenphysik

T 101: Top Quark V (Wirkungsquerschnitte)

T 101.8: Vortrag

Donnerstag, 3. März 2016, 18:30–18:45, VMP9 HS

Measurement of the differential cross section for top-quark pair production in the dilepton channel at 13 TeV with the CMS detector — •Mykola Savitskyi, Maria Aldaya, Till Arndt, Carmen Diez Pardos, Alexander Grohsjean, Ali Harb, Johannes Hauk, and Eleni Ntomari — Deutsches Elektronen-Synchrotron (DESY), Notkestrasse 85, D-22607 Hamburg

In this talk we present measurements of the normalized differential top quark pair (tt) production cross section at 13 TeV with the CMS detector using final states with two leptons (e⁺e⁻, µ⁺µ⁻, and e^±µ^∓). The tt production cross section is measured as a function of kinematic properties of the top quarks and the tt system in the full phase space, as well as of the jet multiplicity in the event in the fiducial phase space. Several Standard Model Monte Carlo predictions are confronted with the data.