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The Two-Loop Radiative Gluon Jet Function for $gg\to h$ via a Light Quark Loop

by Marvin Schnubel

Submission summary

As Contributors: Marvin Schnubel
Arxiv Link: https://arxiv.org/abs/2110.05322v1 (pdf)
Date submitted: 2021-10-12 09:59
Submitted by: Schnubel, Marvin
Submitted to: SciPost Physics Proceedings
Proceedings issue: RADCOR 2021 (15th International Symposium on Radiative Corrections: Applications of Quantum Field Theory to Phenomenology)
Academic field: Physics
Specialties:
  • High-Energy Physics - Phenomenology
Approach: Phenomenological

Abstract

The Higgs-boson production channel $gg\to h$ mediated by light-quark loops receives large logarithmic corrections in QCD, which can be resummed using factorization formulae derived in soft-collinear effective theory. In these factorization formulae the radiative gluon jet function appears, which is a central object in the study of factorization beyond the leading order in scale ratios. We calculate this function at two-loop order for the first time and present the subtleties that come along with this.

Current status:
Editor-in-charge assigned


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Submission 2110.05322v1 on 12 October 2021

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