Resonance Propagation and Threshold Singularities
High Energy Physics - Phenomenology
2009-10-31 v1
Abstract
We consider the problem of propagation of an unstable particle in the framework of Quantum Field Theory. Using unitarity, we show that a real renormalization constant free of threshold singularities naturally arises.
Cite
@article{arxiv.hep-ph/0012207,
title = {Resonance Propagation and Threshold Singularities},
author = {J. L. Lucio M. and J. Pestieau},
journal= {arXiv preprint arXiv:hep-ph/0012207},
year = {2009}
}
Comments
5 pages, no figures, revtex