Are Pions Perturbative in Effective Field Theory?
Nuclear Theory
2007-05-23 v2 High Energy Physics - Phenomenology
Abstract
It is shown that pions can be included perturbatively into effective field theory only for the external momenta, well below the pion mass. But for such low energies it is not necessary to include pions explicitly.
Cite
@article{arxiv.nucl-th/9806028,
title = {Are Pions Perturbative in Effective Field Theory?},
author = {J. Gegelia},
journal= {arXiv preprint arXiv:nucl-th/9806028},
year = {2007}
}
Comments
10 pages, 4 figures. More details included, different arguments given