16-18 October 2023
Campus Unteres Schloss | University of Siegen
Europe/Berlin timezone

Four top final states with NLO accuracy in perturbative QCD: 4 lepton decay channel

17 Oct 2023, 12:00
30m
Seminarzentrum (Campus Unteres Schloss | University of Siegen)

Seminarzentrum

Campus Unteres Schloss | University of Siegen

Obergraben 25 57072 Siegen

Speaker

Mr. Nikolaos Dimitrakopoulos (RWTH Aachen University)

Description

In this talk, I will present NLO QCD results for the process $pp\rightarrow tt\overline{t}\overline{t}$, focusing on the 4-lepton channel at the LHC with $\sqrt{s}=13.6$ TeV. In our calculation, the top quark and the W boson are treated in the Narrow Width Approximation (NWA). We are analyzing our findings in two distinct situations: a full one where we have incorporated QCD corrections during both the production and decay processes of the top quarks, and another where we have only considered QCD corrections at the production stage, assuming that all unstable particles decay with LO accuracy.

Primary authors

Mr. Nikolaos Dimitrakopoulos (RWTH Aachen University) Malgorzata Worek (RWTH Aachen University)

Presentation Materials

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