On the Mixing Amplitude of J/psi and Vector Glueball O

Details On the Mixing Amplitude of J/psi and Vector Glueball O On the Mixing Amplitude of J/psi and Vector Glueball O

1999-11-20

arxiv.org/abs/hep-ph/9911423v1

Nucl.Phys. A675 (2000) 367c-370c

Physics

High Energy Physics

High Energy Physics - Phenomenology

4 pages, latex, no figures. Talk given at the 8th International Conference on Hadron Spectroscopy (Hadron99), Beijing, 24-28 a

Scientific paper

10.1016/S0375-9474(00)00290-6

We study the mixing angle \theta_{O\psi} and mixing amplitude f_{O\psi} of J/psi and vector glueball O, in the framework of potential models of heavy quarks and constituent gluons. While the state vectors of J/psi and O are constructed from the wave functions of few-body Schroedinger equations, the mixing dynamics is governed by perturbative QCD. We obtain a value of the mixing angle of |\tan \theta_{O\psi}| \approx 0.015 and the mixing amplitude of |f_{O\psi}(m_{O\psi}^2)| \approx 0.008 GeV^2, which is compatible with phenomenological analysis.

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