A Numerical Unitarity Formalism for One-Loop Amplitudes

Preprint

28 February 2008

preprint
Published by arXiv in arXiv

https://doi.org/10.48550/arXiv.0802.4227

Abstract

The unitarity method for calculating one-loop amplitudes provides algorithms of polynomial complexity. This is primarily beneficial for the computation of multi-leg one loop amplitudes and it is therefore of great interest to develop a numerical implementation of the unitarity method. We describe a recently-developed, efficient, semi-numerical unitarity method for the computation of the cut-constructible part of one-loop amplitudes.

Keywords

METHOD FOR CALCULATING
NUMERICAL UNITARITY
UNITARITY FORMALISM
CUT CONSTRUCTIBLE
UNITARITY METHOD
LOOP AMPLITUDES
ALGORITHMS

All Related Versions

Version 1, 2008-02-28, ArXiv

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