Comment on `Glueball spectrum from a potential model'

Details Comment on `Glueball spectrum from a potential model' Comment on `Glueball spectrum from a potential model'

2004-11-08

arxiv.org/abs/hep-ph/0411108v1

Phys.Rev. D72 (2005) 078501

Physics

High Energy Physics

High Energy Physics - Phenomenology

Comment on paper

Scientific paper

10.1103/PhysRevD.72.078501

In a recent article, W.-S. Hou and G.-G. Wong [Phys. Rev. D {\bf 67}, 034003 (2003)] have investigated the spectrum of two-gluon glueballs below 3 GeV in a potential model with a dynamical gluon mass. We point out that, among the 18 states calculated by the authors, only three are physical. The other states either are spurious or possess a finite mass only due to an arbitrary restriction of the variational parameter.

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