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Tree-level splitting amplitudes for a gluon into four collinear partons

We compute in conventional dimensional regularisation the tree-level splitting amplitudes for a gluon parent which splits into four collinear partons. This is part of the universal infrared behaviour of the QCD scattering amplitudes at next-to-next-to-next-to-leading order (N$^{3}$LO) in the strong...

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Detalles Bibliográficos
Autores principales: Del Duca, Vittorio, Duhr, Claude, Haindl, Rayan, Lazopoulos, Achilleas, Michel, Martin
Lenguaje:eng
Publicado: 2020
Materias:
Acceso en línea:https://dx.doi.org/10.1007/JHEP10(2020)093
http://cds.cern.ch/record/2725677