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A simplified expression for the one-loop soft-gluon current with massive fermions

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arxiv 1804.02069 v1 pith:E7OK6HO4 submitted 2018-04-05 hep-ph hep-th

Michal Czakon , Alexander Mitov This is my paper · ORCID
classification hep-phhep-th
keywords one-loopcurrentexpressionfermionsmassivesoft-gluonamplitudesanalytic
verification ladder T0 review T1 audit T2 compute T3 formal
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We present a much simpler analytic expression for the UV un-renormalized one-loop soft-gluon current which controls the infra-red behavior of one-loop QCD amplitudes with massive fermions when an external gluon becomes soft. The result is given entirely in terms of standard polylogarithms, is of uniform transcendentality and is well-suited for computer implementation.

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Cited by 1 Pith paper

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  1. NNLO soft functions for heavy-quark pair production at hadron colliders

    hep-ph 2026-08 accept novelty 7.0 of 10

    The paper delivers the first NNLO 0-jettiness soft function for hadronic top-quark pair production and generalises SoftSERVE to massive quarks.

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