Quark contribution to the gluon Regge trajectory at NLO from the high energy effective action

Details Quark contribution to the gluon Regge trajectory at NLO from the high energy effective action Quark contribution to the gluon Regge trajectory at NLO from the high energy effective action

2012-02-03

arxiv.org/abs/1202.0649v1

Physics

High Energy Physics

High Energy Physics - Phenomenology

12 page, many figures

Scientific paper

The two loop (NLO) diagrams with quark content contributing to the gluon Regge trajectory are computed within the framework of Lipatov's effective action for QCD, using the regularization procedure for longitudinal divergencies recently proposed by two of us in http://arXiv.org/abs/arXiv:1110.6741. Perfect agreement with previous results in the literature is found, providing a robust check of the regularization prescription and showing that the high energy effective action is a very useful computational tool in the quasi-multi-Regge limit.

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