Higher-order soft gluon corrections in single top quark production at the LHC

Abstract

I present a calculation of soft-gluon corrections to single top quark production in pp collisions at the LHC via the Standard Model partonic processes in the t and s channels and associated top quark and W boson production. Higher-order soft-gluon corrections through next-to-next-to-next-to-leading order (NNNLO) are calculated at next-to-leading logarithmic (NLL) accuracy. The soft-gluon corrections in the s channel and in tW production are large and dominant, while in the t channel they are not a good approximation of the complete QCD corrections.

arXiv comment9 pages, four figures

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• Constraining dimension-6 SMEFT with higher-order predictions for $pp\to tW$
• Higher-order QCD and electroweak corrections for $t\bar{t}H$ production
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