NLO-QCD corrections to Higgs pair production in the MSSM

2016/01/31 by A. Agostini, G. Degrassi, R. Gröber +1
Computer Science · Physics and Astronomy · #Computational Physics and Python Applications #Gluon #Higgs boson #Limit (mathematics) #Minimal Supersymmetric Standard Model #Pair production #Particle Detector Development and Performance #Particle physics theoretical and experimental studies #Production (economics) #Supersymmetry #hep-ph

paper · pdf · doi:10.1007/jhep04(2016)106

32 pages, 2 figures, v2: version to appear in JHEP

openalex publication_date 2016/04/01 · arxiv created 2016/04/18 · arxiv updated 2016/05/04 · openalex created_date 2016/06/24 · openalex updated_date 2026/08/06

Abstract

We take a step towards a complete NLO-QCD determination of the production of a pair of Higgs scalars in the MSSM. Exploiting a low-energy theorem that connects the Higgs-gluon interactions to the derivatives of the gluon self-energy, we obtain analytic results for the one- and two-loop squark contributions to Higgs pair production in the limit of vanishing external momenta. We find that the two-loop squark contributions can have non-negligible effects in MSSM scenarios with stop masses below the TeV scale. We also show how our results can be adapted to the case of Higgs pair production in the NMSSM.

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