Cross-Sections for ttˉH\text{t}\bar{\text{t}}\text{H} production with the Top Quark MS‾\overline{\text{MS}} Mass

preprint2021arXivOpen access

Abstract

We study the impact of the top quark mass renormalized in the MS‾\overline{\text{MS}} scheme on the ttˉH\text{t}\bar{\text{t}}\text{H} production cross-sections as an alternative to theory predictions with the conventionally used pole mass scheme. The differential cross-sections at next-to-leading order in perturbative QCD with stable top quarks show a moderate decrease in scale uncertainties for the MS‾\overline{\text{MS}} mass renormalization scheme compared to the on-shell one. The shape of the differential distributions is not affected much, the largest differences being observed in the invariant mass distributions of the ttˉ\text{t}\bar{\text{t}} and the ttˉH\text{t}\bar{\text{t}}\text{H} systems.

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