SUSY QCD Corrections to Associated Higgs-bottom Quark Production

TL;DR

This paper calculates supersymmetric QCD corrections to Higgs production with a bottom quark in the MSSM, improving prediction accuracy by combining loop corrections with NLO QCD results and comparing with an effective approximation.

Contribution

It provides the first detailed computation of SUSY QCD corrections to Higgs-bottom quark associated production, enhancing the precision of theoretical predictions.

Findings

SUSY QCD corrections significantly affect production rates.

Comparison shows effective Lagrangian approximation captures dominant effects.

Results improve the reliability of MSSM Higgs search predictions.

Abstract

The associated production of a Higgs boson with a b quark is a discovery mode for an MSSM Higgs boson at large tan beta. We compute the SUSY QCD corrections from gluino and squark loops to this process and combine them with the order alpha_s^2 NLO QCD corrections to obtain reliable predictions for the rate. Finally, we compare our results with an effective Lagrangian approximation which includes only the low energy corrections from squark and gluino loops to the b- bbar- Higgs vertices.