Dortmund 2021 – wissenschaftliches Programm
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T: Fachverband Teilchenphysik
T 1: QCD and electroweak interactions (theory)
T 1.1: Vortrag
Montag, 15. März 2021, 16:00–16:15, Ta
Soft Gluon Resummation for the Associated Single Top and Higgs Production at the LHC — •Laura Moreno Valero1, Anna Kulesza1, and Vincent Theeuwes2 — 1Institut für Theoretische Physik, Westfälische Wilhelms Universität Münster, Deutschland — 2Institut für Theoretische Physik, Georg-August-Universität Göttingen, Deutschland
Processes involving the Higgs boson and the top quark are of high interest in searches for BSM physics because they allow to directly measure the top Yukawa coupling. Although it has a relatively small cross section, the single top and Higgs production process pp → Htj is particularly sensitive to new physics, calling for precise theoretical predictions. For many processes at the LHC, a reduction of theoretical uncertainties can be achieved by means of resummation techniques, accounting for large logarithmic corrections, which originate from soft gluon emissions. In this talk, we discuss extending the precision with which theoretical predictions for the s-channel tHj production are known from NLO (next-to-leading order) to NLO+NLL (next-to-leading logarithmic matched to NLO) accuracy.