Heidelberg 2022 – wissenschaftliches Programm

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T: Fachverband Teilchenphysik

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

T 6.8: Vortrag

Montag, 21. März 2022, 18:00–18:15, T-H19

First studies on the Monte Carlo simulation of single-top quark production in association with a photon using effective field theory samples — •Nils Julius Abicht, Johannes Erdmann, and Björn Wendland — Technische Universität Dortmund, Fakultät Physik

The observation of Standard Model (SM) single-top quark production in association with a photon with the ATLAS detector is expected to be possible with the full Run-2 dataset. A differential measurement of the process can be used to further test the SM. In particular, the interaction between the photon and the top quark is sensitive to modifications of the electroweak couplings of the top quark. An effective field theory (EFT) approach, with variations of the relevant parameters c_tW and c_tB is employed in order to further constrain current limits on the respective EFT operators. For a better understanding of the influence of these parameters on the simulation of the process in MadGraph, preliminary studies for future EFT interpretations are presented.