Coplanarity In Twistor Space Of N=4 Next-To-MHV One-Loop Amplitude Coefficients

Preprint

10 November 2004

preprint
Published by arXiv in arXiv

https://doi.org/10.48550/arXiv.hep-th/0411107

Abstract

Next-to-MHV one-loop amplitudes in N=4 gauge theory can be written as a linear combination of known multivalued functions, called scalar box functions, with coefficients that are rational functions. We consider the localization of these coefficients in twistor space and prove that all of them are localized on a plane. The proof is done by studying the action of differential operators that test coplanarity on the unitarity cuts of the amplitudes.

Keywords

AMPLITUDE COEFFICIENTS
COEFFICIENTS NEXT
LOOP AMPLITUDES
TWISTOR SPACE
MHV ONE LOOP
COPLANARITY
NEXT TO MHV

All Related Versions

Version 1, 2004-11-10, ArXiv
Published version: Physics Letters B, 611 (1-2), 167.

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