Collinear and Regge behavior of 2 -> 4 MHV amplitude in N = 4 super Yang-Mills theory

Details Collinear and Regge behavior of 2 -> 4 MHV amplitude in N = 4 super Yang-Mills theory Collinear and Regge behavior of 2 -> 4 MHV amplitude in N = 4 super Yang-Mills theory

2011-04-25

arxiv.org/abs/1104.4709v1

Physics

High Energy Physics

High Energy Physics - Theory

5 figures, 39 pages

Scientific paper

We investigate the collinear and Regge behavior of the 2 -> 4 MHV amplitude in N = 4super Yang-Mills theory in the BFKL approach. The expression for the remainder function in the collinear kinematics proposed by Alday, Gaiotto, Maldacena, Sever and Vieira is analytically continued to the Mandelstam region. The result of the continuation in the Regge kinematics shows an agreement with the BFKL approach up to to five-loop level. We present the Regge theory interpretation of the obtained results and discuss some issues related to a possible non-multiplicative renormalization of the remainder function in the collinear limit.

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