English

The Unitarity Method using a Canonical Basis Approach

High Energy Physics - Phenomenology 2009-11-24 v2

Abstract

Various implementations of the Unitarity method have been developed to compute one-loop amplitudes in gauge theories. In this paper we present an implementation which uses canonical forms to generate the rational coefficients of the basis integral functions. As an example, we present the results for the N=1 contribution to seven gluon scattering in closed, rational, analytic form.

Keywords

Cite

@article{arxiv.0903.1751,
  title  = {The Unitarity Method using a Canonical Basis Approach},
  author = {David C. Dunbar and Warren B. Perkins and Edmund Warrick},
  journal= {arXiv preprint arXiv:0903.1751},
  year   = {2009}
}

Comments

45 pages, citations added, minor changes to text

R2 v1 2026-06-21T12:20:16.495Z