Forward Higgs production at NLO using Lipatov's high energy effective action
Martin Hentschinski
SciPost Phys. Proc. 8, 136 (2022) · published 14 July 2022
- doi: 10.21468/SciPostPhysProc.8.136
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Proceedings event
28th Annual Workshop on Deep-Inelastic Scattering (DIS) and Related Subjects
Abstract
We use Lipatov's high energy effective action to determine the next-to-leading order corrections to Higgs production in the forward region. As a new element we provide a proper definition of the desired next-to-leading order coefficient within the high energy effective action framework, extending a previously proposed prescription. We further propose a subtraction mechanism to achieve for this coefficient a stable cancellation of real and virtual infra-red singularities in the presence of external off-shell legs and discuss aspects related to choice of a reference scale for high energy resummation.