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13.11.2023 / 15:00 - 17:00 / Hamburg, SR2, building 2a
Theory SeminarResonance-aware NLOPS matching for off-shell tt~+tW production with semileptonic decays
Tomas Jezo
The increasingly high accuracy of top-quark studies at the LHC calls for a theoretical description of tt~ production and decay in terms of exact matrix elements for the full 2 > 6 process that includes the off-shell production and the chain decays of tt~ and tW intermediate states, together with their quantum interference. Corresponding NLO QCD calculations matched to parton showers are available for the case of dileptonic channels and are implemented in the bb4l Monte Carlo generator, which is based on the resonance-aware POWHEG method. I will present the first NLOPS predictions of this kind for the case of semileptonic channels, as well as various conceptual improvements that are now available for both the dileptonic and the semileptonic channels, such as the matrix element based resonance history projectors.
More Information: https://indico.desy.de/event/39319/
