One-Loop N Gluon Amplitudes with Maximal Helicity Violation via Collinear Limits

Abstract

We present a conjecture for the $n$-gluon one-loop amplitudes with maximal helicity violation. The conjecture emerges from the powerful requirement that the amplitudes have the correct behavior in the collinear limits of external momenta. One implication is that the corresponding amplitudes where three or more gluon legs are replaced by photons vanish for $n>4$.

12 pages (including figures), (cut down to meet PRL space requirements and some improvements included), SLAC--PUB--6409

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• Multi-Parton Amplitudes in Gauge Theories
• One-Loop Corrections to Five-Gluon Amplitudes
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