A covariant constituent quark/gluon model for the glueball-quarkonia content of scalar-isoscalar mesons
arXiv:hep-ph/0408085 · doi:10.1103/PhysRevC.71.025202
Abstract
We analyze the mixing of the scalar glueball with the scalar-isoscalar quarkonia states above 1 GeV in a non-local 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.
28 pages, 6 figures