Supersymmetric Higgs production in gluon fusion
Robert V. Harlander, Franziska Hofmann, Hendrik Mantler
TL;DR
This paper calculates the Higgs boson production rate via gluon fusion in the MSSM at next-to-leading order, including supersymmetric effects and potential fourth-generation contributions, providing detailed numerical results.
Contribution
It provides the first comprehensive NLO QCD calculation of Higgs production in the MSSM, incorporating exact quark contributions and approximate supersymmetric effects, along with numerical distributions.
Findings
Supersymmetric contributions significantly affect the cross section.
The presence of a fourth generation alters the production rate.
Numerical distributions of the Higgs boson are provided.
Abstract
The cross section through gluon fusion is calculated for the production of the light neutral Higgs boson through next-to-leading order QCD within the Minimal Supersymmetric Standard Model. The quark-mediated contributions are taken into account exactly, while for the genuinely supersymmetric terms we use expressions obtained in the limit of large squark, gluino and top quark masses. We present numerical results for the total inclusive cross section as well as for kinematical distributions of the Higgs boson. We also consider the effect of an MSSM-like fourth generation on the total Higgs production cross section.
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