Mar 23 – 27, 2020
Brooklyn, NY
US/Eastern timezone

Measurements of differential cross-sections of top-quark-antiquark pair-production in the lepton+jets and all-hadronic channels with the ATLAS detector

Mar 24, 2020, 11:20 AM
20m
Brooklyn, NY

Brooklyn, NY

333 Adams Street, Brooklyn, New York 11201, USA
Contributed Talk QCD with Heavy Flavors and Hadronic Final States QCD with Heavy Flavors and Hadronic Final States

Speaker

Serena Palazzo

Description

Comprehensive measurements of differential cross-sections of top-quark-antiquark pair-production are presented. The measurements are performed in the lepton+jets and the all-hadronic channels which allow for reconstruction of the top-quark and top-quark-pair kinematic distributions. The two channels are complementary in terms of range and resolution for several variables. Both measurements use data recorded in the years 2015 and 2016 during Run 2 of the LHC. The measurements are compared quantitatively to several setups of next-to-leading order matrix-element generators combined with parton-shower generators. In addition, a total cross-section measurement based on the full Run 2 dataset is presented.

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