Multi-Gluon Collinear Limits from MHV diagrams

Details Multi-Gluon Collinear Limits from MHV diagrams Multi-Gluon Collinear Limits from MHV diagrams

2005-03-07

arxiv.org/abs/hep-ph/0503063v1

JHEP0505:013,2005

Physics

High Energy Physics

High Energy Physics - Phenomenology

28 pages, six figures, JHEP3 class

Scientific paper

10.1088/1126-6708/2005/05/013

We consider the multi-collinear limit of multi-gluon QCD amplitudes at tree level. We use the MHV rules for constructing colour ordered tree amplitudes and the general collinear factorization formula to derive timelike splitting functions that are valid for specific numbers of negative helicity gluons and an arbitrary number of positive helicity gluons (or vice versa). As an example we present new results describing the collinear limits of up to six gluons.

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