MHV Vertices and Scattering Amplitudes in Gauge Theory

Details MHV Vertices and Scattering Amplitudes in Gauge Theory MHV Vertices and Scattering Amplitudes in Gauge Theory

2004-06-10

arxiv.org/abs/hep-th/0406085v3

JHEP 0407 (2004) 032

Physics

High Energy Physics

High Energy Physics - Theory

Latex file, 38 pages, 15 figures; v2, minor changes, references added; v2, minor changes, 2 references added

Scientific paper

10.1088/1126-6708/2004/07/032

The generic googly amplitudes in gauge theory are computed by using the Cachazo-Svrcek-Witten approach to perturbative calculation in gauge theory and the results are in agreement with the previously well-known ones. Within this approach we also discuss the parity transformation, charge conjugation and the dual Ward identity. We also extend this calculation to include fermions and the googly amplitudes with a single quark-anti-quark pair are obtained correctly from fermionic MHV vertices. At the end we briefly discuss the possible extension of this approach to gravity.

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