Augmented Recursion For One-loop Amplitudes
High Energy Physics - Theory
2010-12-13 v1
Abstract
We present a semi-recursive method for calculating the rational parts of one-loop amplitudes when recursion produces double poles. We illustrate this with the graviton scattering amplitude M^{1-loop}(1-, 2+, 3+, 4+, 5+).
Keywords
Cite
@article{arxiv.1011.0559,
title = {Augmented Recursion For One-loop Amplitudes},
author = {David C. Dunbar and James H. Ettle and Warren B. Perkins},
journal= {arXiv preprint arXiv:1011.0559},
year = {2010}
}
Comments
6 pages, 3 figures. To appear in the proceedings of Loops and Legs 2010