Heidelberg 2022 – wissenschaftliches Programm
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T: Fachverband Teilchenphysik
T 91: Higgs Boson: Rare Decays
T 91.2: Vortrag
Donnerstag, 24. März 2022, 16:30–16:45, T-H22
Higher order QCD corrections and effective operators in Higgs boson pair production — Gudrun Heinrich1, •Jannis Lang1, and Ludovic Scyboz2 — 1Karlsruhe Institute of Technology (KIT), Karlsruhe, Germany — 2University of Oxford, Oxford, United Kingdom
We present results for Higgs boson pair production in gluon fusion including both, NLO (2-loop) QCD corrections with full top quark mass dependence as well as anomalous couplings related to operators describing effects of physics beyond the Standard Model. The latter can be realized in non-linear (HEFT) or linear (SMEFT) Effective Field Theory frameworks. We show results for both and discuss the impact of different approximations within the SMEFT description.