Heidelberg 2022 – wissenschaftliches Programm

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T: Fachverband Teilchenphysik

T 35: Higgs Boson: Associated Production 1

T 35.7: Vortrag

Dienstag, 22. März 2022, 17:45–18:00, T-H20

Associated production of a Higgs boson and a single top quark from t-channel production (tHq) in channels with hadronically decaying tau leptons at ATLAS — •Tanja Holm and Ian C. Brock — Physikalisches Institut Universität Bonn

Associated Higgs boson production gives us the opportunity to study its couplings to fermions and bosons. An especially interesting but challenging channel is the associated production with a single top quark, as it allows one to probe the relative coupling to both kind of objects. The downside to this is a small predicted cross-section and a complicated final state including jets from light quarks or gluons, jets containing b-hadrons, missing E_T and leptons. The decay into tau leptons which subsequently decay hadronically was chosen as it has a relatively high Higgs decay branching ratio, while having a lower background than hadronic processes with higher branching ratios. This talk will discuss the search for this channel in the Run 2 LHC dataset by ATLAS.