How to preserve symmetries with cut-off regularized integrals?
High Energy Physics - Phenomenology
2008-11-26 v1
Abstract
We present a prescription to calculate the quadratic and logarithmic divergent parts of several integrals employing a cutoff in a coherent way, i.e. in total agreement with symmetry requirements. As examples we consider one-loop Ward identities for QED and a phenomenological chiral model.
Keywords
Cite
@article{arxiv.hep-ph/0611220,
title = {How to preserve symmetries with cut-off regularized integrals?},
author = {T. Varin and D. Davesne and M. Oertel and M. Urban},
journal= {arXiv preprint arXiv:hep-ph/0611220},
year = {2008}
}
Comments
11 pages, 3 graphs