Title

All-loop group-theory constraints for color-ordered SU(N) gauge-theory amplitudes

Document Type

Article

Publication Date

1-16-2012

Abstract

We derive constraints on the color-ordered amplitudes of the L-loop four-point function in SU(N) gauge theories that arise solely from the structure of the gauge group. These constraints generalize well-known group theory relations, such as U(1) decoupling identities, to all loop orders. © 2011 Elsevier B.V.

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