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Dortmund 2021 – scientific programme

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T: Fachverband Teilchenphysik

T 84: Associated Higgs production and Higgs quantum numbers II

T 84.7: Talk

Thursday, March 18, 2021, 17:30–17:45, Ti

Improvements for POWHEG+Pythia8 tt+bb NLO Monte Carlo predictions — •Lars Ferencz and Judith Katzy — DESY, Hamburg, Germany

Measurements of tt+H production in the H → bb channel are strongly affected by theoretical uncertainties introduced by the irreducible tt+bb background. In order to reduce these uncertainties, it is important to work on improving predictions for these backgrounds. In this talk studies are presented focussing on improvements for tt+bb focussing on several different aspects of the simulation.
Studies of the scale used in the Matrix Element calculation, different parton shower and matching settings for POWHEG and Pythia8 are compared to theoretical predictions and data.

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