Unstable Systems in Relativistic Quantum Field Theory
High Energy Physics - Theory
2009-10-30 v1 High Energy Physics - Phenomenology
Abstract
We show how the state of an unstable particle can be defined in terms of stable asymptotic states. This general definition is used to discuss and to solve some old problems connected with the short-time and large-time behaviour of the non-decay amplitude.
Cite
@article{arxiv.hep-th/9709110,
title = {Unstable Systems in Relativistic Quantum Field Theory},
author = {L. Maiani and M. Testa},
journal= {arXiv preprint arXiv:hep-th/9709110},
year = {2009}
}
Comments
12 pages, Latex