Color structure for soft gluon resummation - a general recipe

Details Color structure for soft gluon resummation - a general recipe Color structure for soft gluon resummation - a general recipe

2009-06-05

arxiv.org/abs/0906.1121v2

Physics

High Energy Physics

High Energy Physics - Phenomenology

16 pages

Scientific paper

A strategy for calculating the color structure needed for soft gluon resummation for processes with any number of colored partons is introduced using a N_c --> infinity inspired basis. In this basis a general formalism can be found at the same time as the calculations are simplified. The advantages are illustrated by recalculating the soft anomalous dimension matrix for the processes gg --> gg, q\qbar --> q \qbar g and q\qbar --> ggg.

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