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Trilinear Higgs boson coupling variations for di-Higgs production with full NLO QCD predictions in Powheg


Heinrich, G; Jones, S; Kerner, M; Luisoni, G; Scyboz, L (2020). Trilinear Higgs boson coupling variations for di-Higgs production with full NLO QCD predictions in Powheg. Journal of Physics : Conference Series, 1525:012009.

Abstract

The couplings of the Higgs boson to other particles are increasingly well measuredby the ATLAS and CMS experiments. The Higgs boson trilinear self-coupling however is stilllargely unconstrained, mainly due to the low cross-section for Higgs boson pair production.We present inclusive and differential results for the NLO QCD corrections to Higgs boson pairproduction with the full top-quark mass dependence, where the Higgs trilinear coupling is variedto non-SM values. The fixed-order calculation is supplemented by parton showering within thePowheg-BOX-V2event generator, and bothPythia8andHerwig7parton-shower algorithms areimplemented in a preliminary study of shower effects

Abstract

The couplings of the Higgs boson to other particles are increasingly well measuredby the ATLAS and CMS experiments. The Higgs boson trilinear self-coupling however is stilllargely unconstrained, mainly due to the low cross-section for Higgs boson pair production.We present inclusive and differential results for the NLO QCD corrections to Higgs boson pairproduction with the full top-quark mass dependence, where the Higgs trilinear coupling is variedto non-SM values. The fixed-order calculation is supplemented by parton showering within thePowheg-BOX-V2event generator, and bothPythia8andHerwig7parton-shower algorithms areimplemented in a preliminary study of shower effects

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Additional indexing

Item Type:Journal Article, not_refereed, original work
Communities & Collections:07 Faculty of Science > Physics Institute
Dewey Decimal Classification:530 Physics
Scopus Subject Areas:Physical Sciences > General Physics and Astronomy
Uncontrolled Keywords:General Physics and Astronomy
Language:English
Date:1 April 2020
Deposited On:03 Nov 2020 10:05
Last Modified:04 Nov 2020 21:00
Publisher:IOP Publishing
ISSN:1742-6588
OA Status:Green
Free access at:Publisher DOI. An embargo period may apply.
Publisher DOI:https://doi.org/10.1088/1742-6596/1525/1/012009

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