Münster 2017 – wissenschaftliches Programm

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T: Fachverband Teilchenphysik

T 18: Top Quark (Theorie) 1

T 18.7: Vortrag

Montag, 27. März 2017, 18:15–18:30, VSH 05

Monte Carlo tuning for ttbar production with Herwig 7 — •Ludovic Scyboz — Max-Planck-Institut für Physik

With ever-increasing integrated luminosity at LHC, the comparison of high-accuracy ttbar measurements from ATLAS with Monte Carlo generator predictions requires improved tunes of the generator parameters. The current study towards defining a new tune for ttbar production is based on the new Herwig7 generator. Samples generated with Herwig7 are compared with recent differential measurements using 8 and 13 TeV data recorded with the ATLAS experiment. The comparisons are performed using the Rivet and the Professor framework. In this talk, first results with the Herwig7 generator are presented and compared to the tunes currently used by the ATLAS experiment.