collinear factorisation 1gauge theory 1hidden regions 1method of regions 1scattering amplitudes 1soft and Glauber dynamics 1
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hep-ph2024
The Two-Loop Lipatov Vertex in QCD
Samuel Abreu, Giuseppe De Laurentis, Giulio Falcioni +3
High-energy factorization of 2 -> 2 amplitudes in QCD has been recently pushed to the next-to-next-to-leading logarithmic order by determining the three-loop gluon Regge trajectory…
hep-ph2024
Regge poles and cuts and the Lipatov vertex
Samuel Abreu, Giulio Falcioni, Einan Gardi +2
Scattering amplitudes in the high-energy limit can be described in terms of their singularity structure in the complex angular momentum plane, consisting of Regge poles and cuts. I…