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Forward Higgs production at NLO using Lipatov's high energy effective action
by Martin Hentschinski
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Submission summary
| Authors (as registered SciPost users): | Martin Hentschinski |
| Submission information | |
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| Preprint Link: | scipost_202204_00006v2 (pdf) |
| Date accepted: | May 6, 2022 |
| Date submitted: | April 20, 2022, 7:07 p.m. |
| Submitted by: | Martin Hentschinski |
| Submitted to: | SciPost Physics Proceedings |
| Proceedings issue: | 28th Annual Workshop on Deep-Inelastic Scattering (DIS) and Related Subjects (DIS2021) |
| Ontological classification | |
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| Academic field: | Physics |
| Specialties: |
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| Approaches: | Theoretical, Phenomenological |
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.
List of changes
I included the changes suggested in the report i.e. "bt" -> "by" and "in-going" -> "in-coming"
Published as SciPost Phys. Proc. 8, 136 (2022)