Numerical evaluation of multi-gluon amplitudes for High Energy Factorization
High Energy Physics - Phenomenology
2015-06-18 v3
Abstract
We present a program to evaluate tree-level multi-gluon amplitudes with up to two of them off-shell. Furthermore, it evaluates squared amplitudes summed over colors and helicities for up to six external gluons. It employs both analytic expressions, obtained via BCFW recursion, and numerical BCFW recursion. It has been validated numerically with the help of an independent program employing numerical Dyson-Schwinger recursion.
Keywords
Cite
@article{arxiv.1503.08612,
title = {Numerical evaluation of multi-gluon amplitudes for High Energy Factorization},
author = {M. Bury and A. van Hameren},
journal= {arXiv preprint arXiv:1503.08612},
year = {2015}
}
Comments
12 pages