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Self-Duality and Maximally Helicity Violating QCD Amplitudes
1997
International Journal of Modern Physics A
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I review some recent work that describes the close analogy between self-dual Yang--Mills amplitudes and QCD amplitudes with external gluons of positive helicity. This analogy is carried at tree level for amplitudes with two external quarks and up to one-loop for amplitudes involving only external gluons.
doi:10.1142/s0217751x97000943
fatcat:werdsnenzfd5bfc766i7hba324