A New Method for Computing Helicity Amplitudes
High Energy Physics - Phenomenology
2007-05-23 v1
Abstract
An helicity formalism for perturbative calculations is presented. It is based on the formal insertion in spinor lines of a complete set of states built up with unphysical spinors. It is particularly convenient when massive spinors are present. Its application to is briefly discussed.
Keywords
Cite
@article{arxiv.hep-ph/9404223,
title = {A New Method for Computing Helicity Amplitudes},
author = {A. Ballestrero and E. Maina},
journal= {arXiv preprint arXiv:hep-ph/9404223},
year = {2007}
}
Comments
To appear in Proceedings Nonlinear Phenomena in Complex Systems. Polatsk Belarus. February 94 - 8 pages, 2 figs. using feynman.tex