Aachen 2019 – wissenschaftliches Programm
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T: Fachverband Teilchenphysik
T 89: Theorie: Higgs
T 89.7: Vortrag
Donnerstag, 28. März 2019, 17:30–17:45, S16
Wilson coefficients for Higgs boson production to O(αs4) — •Marvin Gerlach, Florian Herren, and Matthias Steinhauser — Institut für Theoretische Teilchenphysik, Karlsruhe Institute of Technology (KIT), Wolfgang-Gaede Straße 1, 76128 Karlsruhe, Germany
The high luminosity phase at the LHC may reveal new insides to the Higgs boson self coupling. Therefore, the importance of theory predictions is obvious. A comprehensive tool to include QCD corrections in Higgs physics is to use Higgs Effective Field Theory (HEFT), in which the top quark mass mt is sent to infinity. For this theory we compute the effective couplings of one and two Higgs bosons to gluons to N3LO in QCD in a diagrammatic way. The resulting Wilson coefficients are crucial for gluon fusion processes, the most important production channels of Higgs bosons at the LHC.