Eta-eta' mixing in U(3) chiral perturbation theory
High Energy Physics - Phenomenology
2011-03-23 v1
Abstract
We investigate eta-eta' mixing in infrared regularized U(3) chiral perturbation theory by calculating the eta and eta' masses up to one-loop order. From this analysis it becomes obvious that even at leading order eta-eta' mixing does not obey the usually assumed one-mixing angle scheme if large N_c counting rules are not employed.
Cite
@article{arxiv.hep-ph/0107175,
title = {Eta-eta' mixing in U(3) chiral perturbation theory},
author = {Niklas Beisert and Bugra Borasoy},
journal= {arXiv preprint arXiv:hep-ph/0107175},
year = {2011}
}
Comments
22 pages