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The two-loop radiative gluon jet function for $gg\to h$ via a light quark loop

Marvin Schnubel

SciPost Phys. Proc. 7, 039 (2022) · published 22 June 2022

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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.

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