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Generalized unitarity for N=4 super-amplitudes · Around

2008

Generalized unitarity for N=4 super-amplitudes

Drummond, J. M., Henn, J., Korchemsky, G. P. et al.

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We develop a manifestly supersymmetric version of the generalized unitarity cut method for calculating scattering amplitudes in N=4 SYM theory.

We illustrate the power of this method by computing the one-loop n-point NMHV super-amplitudes.
The result confirms two conjectures which we made in arXiv:0807.1095 [hep-th].
Firstly, we derive the compact, manifestly dual superconformally covariant form of the NMHV tree amplitudes for arbitrary number and types of external particles.

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