Is the $σ(600)$ a Glueball? Two photon reactions can tell us

Details Is the $σ(600)$ a Glueball? Two photon reactions can tell us Is the $σ(600)$ a Glueball? Two photon reactions can tell us

2000-09-22

arxiv.org/abs/hep-ph/0009267v1

Physics

High Energy Physics

High Energy Physics - Phenomenology

7 pages, 6 figures Talk given at the 13th International Workshop on Photon-Photon Collisions (Photon2000), September 2000, Amb

Scientific paper

10.1063/1.1402863

Minkowski and Ochs have recently argued that the small two photon coupling of
a conjectured $\sigma(600)$ 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?

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