Signals from the infrared: progress on Antenna subtraction
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Published on:
September 24, 2026
Abstract
In this talk we review recent progress on antenna subtraction and extend the definition of the antenna functions to N$^3$LO for triple-real (RRR) radiation and for all possible pairs of hard radiators (quark-antiquark, gluon-gluon, and quark-gluon). We stress that this decomposition is common to all types of antennae and is valid, in particular, also for the initial-initial and initial-final antennae, where partons are all in the initial state and both in the initial and final states respectively.
DOI: https://doi.org/10.22323/1.521.0014
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Copyright owned by the author(s) under the term of the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.
Copyright owned by the author(s) under the term of the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.