Revisiting the double-soft asymptotics of one-loop amplitudes in massless QCD

Revisiting the double-soft asymptotics of one-loop amplitudes in massless QCD

Abstract We evaluate the one-loop soft current for the emission of two soft gluons or a soft quark-anti-quark pair in massless Quantum Chromodynamics. The results are exact in dimensional regularisation up to a single Feynman integral. Two terms of the Taylor series of the latter integral as a funct...

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Bibliographic Details
Main Authors: Michał Czakon, Felix Eschment, Tom Schellenberger
Format: Article
Language:English
Published: SpringerOpen 2023-04-01
Series:Journal of High Energy Physics
Subjects:
Higher-Order Perturbative Calculations
Factorization
Renormalization Group
Jets and Jet Substructure
Online Access:https://doi.org/10.1007/JHEP04(2023)065

Internet

https://doi.org/10.1007/JHEP04(2023)065

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