Soft-gluon resummation for pseudoscalar Higgs boson production at hadron colliders

TL;DR

This paper calculates the threshold-resummed cross section for pseudoscalar Higgs boson production via gluon fusion at hadron colliders, achieving high accuracy and analyzing scale dependence at NNLL precision.

Contribution

It provides the first NNLL resummed cross section for pseudoscalar Higgs production, improving theoretical precision for collider predictions.

Findings

Resummation reduces scale dependence significantly.

Cross section accuracy better than 10%.

Results applicable to LHC and Tevatron.

Abstract

We compute the threshold-resummed cross section for pseudo-scalar MSSM Higgs boson production by gluon fusion at hadron colliders. The calculation is performed at next-to-next-to leading logarithmic accuracy. We present results for both the LHC and Tevatron Run II. We analyze the factorization and renormalization scale dependence of the results, finding that after performing the resummation the corresponding cross section can be computed with an accuracy better than 10%.