Heidelberg 2022 – scientific programme

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T: Fachverband Teilchenphysik

T 6: Top Quarks: Production (Exp.) 1

T 6.6: Talk

Monday, March 21, 2022, 17:30–17:45, T-H19

Towards a WbWb differential cross-section measurement — •Thomas Mclachlan — DESY

Top quark pair production is a widely studied process at the Large Hadron Collider (LHC) and is a significant background in many searches beyond the Standard Model (BSM). The WWbb final states of this process interfere with the production of a single top quark in association with a W boson and a b-quark (tWb). Using data from Run-2, I will measure the WbWb production cross-section in a phase space that is maximally sensitive to the interference effects with the goal of improving the modelling of SM processes for BSM searches. An event selection using single lepton events is being developed. In this context, I will present a range of quantities and theoretical parameters that will be used in the differential cross-section measurement.