Weak corrections to Higgs hadroproduction in association with a top-quark pair

TL;DR

This paper calculates weak correction effects to Higgs production with top-quark pairs at hadron colliders, including weak and QCD effects, providing insights for collider phenomenology at various energies.

Contribution

It presents the first calculation of mixed weak and QCD corrections of order α_S^2α^2 for Higgs-top pair production, expanding theoretical precision.

Findings

Weak corrections significantly affect Higgs-top production rates.

QCD corrections of order α_S^3α are also analyzed.

Results are applicable to collider energies of 8, 13, and 100 TeV.

Abstract

We present the calculation of the next-to-leading contribution of order $\alpha_S^2\alpha^2$ to the production of a Standard Model Higgs boson in association with a top-quark pair at hadron colliders. All effects of weak and QCD origin are included, whereas those of QED origin are ignored. We work in the MadGraph5_aMC@NLO framework, and discuss sample phenomenological applications at a 8, 13, and 100 TeV $pp$ collider, including the effects of the dominant next-to-leading QCD corrections of order $\alpha_S^3\alpha$.