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# Eliminating spurious poles from gauge-theoretic amplitudes

Journal of High Energy Physics, no. 5 (2013): 135

This note addresses the problem of spurious poles in gauge-theoretic scattering amplitudes. New twistor coordinates for the momenta are introduced, based on the concept of dual conformal invariance. The cancellation of spurious poles for a class of NMHV amplitudes is greatly simplified in these coordinates. The poles are eliminated altoge...更多

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