The rational parts of one-loop QCD amplitudes II: The five-gluon case
High Energy Physics - Phenomenology
2008-11-26 v2 High Energy Physics - Theory
Abstract
The rational parts of 5-gluon one-loop amplitudes are computed by using the newly developed method for computing the rational parts directly from Feynman integrals. We found complete agreement with the previously well-known results of Bern, Dixon and Kosower obtained by using the string theory method. Intermediate results for some combinations of Feynman diagrams are presented in order to show the efficiency of the method and the local cancellation between different contributions.
Cite
@article{arxiv.hep-ph/0607016,
title = {The rational parts of one-loop QCD amplitudes II: The five-gluon case},
author = {Xun Su and Zhi-Guang Xiao and Gang Yang and Chuan-Jie Zhu},
journal= {arXiv preprint arXiv:hep-ph/0607016},
year = {2008}
}
Comments
25 pages, 16 figures and LaTeX file; minor corrections, references added, to be published in Nucl. Phys. B