Is the $\sigma(600)$ a Glueball? Two photon reactions can tell us
High Energy Physics - Phenomenology
2009-10-31 v1
Abstract
Minkowski and Ochs have recently argued that the small two photon coupling of a conjectured is so small that it is likely to be a glueball. We ask whether this can be so or whether it is simply gauge invariance that produces the observed low mass suppression?
Cite
@article{arxiv.hep-ph/0009267,
title = {Is the $\sigma(600)$ a Glueball? Two photon reactions can tell us},
author = {M. R. Pennington},
journal= {arXiv preprint arXiv:hep-ph/0009267},
year = {2009}
}
Comments
7 pages, 6 figures Talk given at the 13th International Workshop on Photon-Photon Collisions (Photon2000), September 2000, Ambleside, U.K. --- to appear in the Proceedings