One-Loop Gauge Theory Amplitudes with an Arbitrary Number of External Legs

Details One-Loop Gauge Theory Amplitudes with an Arbitrary Number of External Legs One-Loop Gauge Theory Amplitudes with an Arbitrary Number of External Legs

1994-05-09

arxiv.org/abs/hep-ph/9405248v2

Physics

High Energy Physics

High Energy Physics - Phenomenology

Talk presented by Z.B. at Continuous Advances in QCD, Minneapolis, Feb. 18-20, 1994. 23 pages (including three figures), (mino

Scientific paper

We review recent progress in calculations of one-loop QCD amplitudes. By imposing the consistency requirements of unitarity and correct behavior as the momenta of two legs become collinear, we construct ansatze for one-loop amplitudes with an arbitrary number of external legs. For supersymmetric amplitudes, which can be thought of as components of QCD amplitudes, the cuts uniquely specify the amplitude.

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