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Durham University

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Publication details for Simon Badger

Badger, Simon, Buciuni, Francesco & Peraro, Tiziano (2015). One-loop triple collinear splitting amplitudes in QCD. Journal of High Energy Physics 2015(9): 188.

Author(s) from Durham

Abstract

We study the factorisation properties of one-loop scattering amplitudes in the triple collinear limit and extract the universal splitting amplitudes for processes initiated by a gluon. The splitting amplitudes are derived from the analytic Higgs plus four partons amplitudes. We present compact results for primitive helicity splitting amplitudes making use of super-symmetric decompositions. The universality of the collinear factorisation is checked numerically against the full colour six parton squared matrix elements.