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The Soft Anomalous Dimension at four loops in the Regge Limit
by Niamh Maher, Giulio Falcioni, Einan Gardi, Calum Milloy, Leonardo Vernazza
This Submission thread is now published as
|As Contributors:||Niamh Maher|
|Arxiv Link:||https://arxiv.org/abs/2111.01517v1 (pdf)|
|Date submitted:||2021-11-03 09:20|
|Submitted by:||Maher, Niamh|
|Submitted to:||SciPost Physics Proceedings|
|Proceedings issue:||RADCOR 2021 (15th International Symposium on Radiative Corrections: Applications of Quantum Field Theory to Phenomenology)|
The soft anomalous dimension governs the infrared divergences of scattering amplitudes in general kinematics to all orders in perturbation theory. By comparing the recent Regge-limit results for $2\to2$ scattering (through Next-to-Next-to-Leading Logarithms) in full colour to a general form for the soft anomalous dimension at four loops we derive powerful constraints on its kinematic dependence, opening the way for a bootstrap-based determination.
Published as SciPost Phys. Proc. 7, 013 (2022)
Submission & Refereeing History
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Reports on this Submission
Anonymous Report 1 on 2021-11-27 (Invited Report)
The article reports on the work presented at RADCOR/LoopFest 2021. It fulfills all the requirements for publication in SciPost Proceedings.
The article reports on the work presented at RADCOR/LoopFest 2021. It fulfills all the requirements for publication in SciPost Proceedings and therefore we recommend its publication.