Phys. Rev. C 71, 025202 (2005) [14 pages]Covariant constituent quark-gluon model for the glueball-quarkonia content of scalar-isoscalar mesonsReceived 29 July 2004; published 2 February 2005 We analyze the mixing of the scalar glueball with the scalar-isoscalar quarkonia states above 1 GeV in a nonlocal covariant constituent approach. Similarities and differences to the point-particle Klein-Gordon limit and to the quantum mechanical case are elaborated. Model predictions for the two-photon decay rates in the covariant mixing scheme are indicated. © 2005 The American Physical Society URL:
http://link.aps.org/doi/10.1103/PhysRevC.71.025202
DOI:
10.1103/PhysRevC.71.025202
PACS:
24.85.+p, 12.39.Mk, 12.39.Ki
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