Higgs production via gluon fusion in the POWHEG approach in the SM and in the MSSM
E. Bagnaschi, G. Degrassi, P. Slavich, A. Vicini
TL;DR
This paper presents a method to compute Higgs boson production via gluon fusion at NLO QCD, implementing it in the POWHEG framework and matching with parton showers for both the Standard Model and MSSM.
Contribution
The paper introduces a novel implementation of NLO QCD calculations for Higgs production in the POWHEG approach, including effects of fermion and squark masses in SM and MSSM.
Findings
Effective matching of NLO calculations with parton showers.
Analysis of fermion and squark mass effects on Higgs distributions.
Application to various SM and MSSM parameter scenarios.
Abstract
We consider the gluon fusion production cross section of a scalar Higgs boson at NLO QCD in the SM and in the MSSM. We implement the calculation in the POWHEG approach, and match the NLO-QCD results with the PYTHIA and HERWIG QCD parton showers. We discuss a few representative scenarios in the SM and MSSM parameter spaces, with emphasis on the fermion and squark mass effects on the Higgs boson distributions.
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