Soft-gluon corrections for the associated production of a single top quark and a Higgs boson

Abstract

We discuss soft-gluon resummation for the associated production of a single top quark and a Higgs boson ($tqH$ production) in single-particle-inclusive (1PI) kinematics. We present analytical results for the higher-order corrections and numerical results for the cross sections at LHC energies. We calculate approximate NNLO total rates, including scale dependence and uncertainties from parton distributions, as well as top-quark transverse-momentum and rapidity distributions. In all cases we find that the soft-gluon corrections are dominant and provide important contributions to the total and differential cross sections.

arXiv comment13 pages, 7 figures; v2 contains additional material and it is the published version

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• Higher-order corrections in $t\bar{t}\gamma$ cross sections
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• Soft-gluon corrections for $tqZ$ production
• Soft-gluon corrections in $t\bar{t}W$ production
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• Higher-order QCD and electroweak corrections for $t\bar{t}H$ production
• Resummation for $tqH$ production