Glueballs and Mesons: the Ground States

Details Glueballs and Mesons: the Ground States Glueballs and Mesons: the Ground States

2009-03-03

arxiv.org/abs/0903.0476v1

Phys.Rev.D79:034034,2009

Physics

High Energy Physics

High Energy Physics - Phenomenology

17 pages, 4 figures, 1 table

Scientific paper

10.1103/PhysRevD.79.034034

We provide a new, independent, and analytic estimate of the lowest glueball mass, and we found it at 1661 MeV within a relativistic quantum-field model based on analytic confinement. The conventional mesons and the weak decay constants are described to extend the consideration. For the spectra of two-gluon and two-quark bound states we solve the ladder Bethe-Salpeter equation. By using a minimal set of model parameters (the quark masses, the coupling constant, and the confinement scale) we obtain numerical results which are in reasonable agreement with experimental evidence in the wide range of energy scale. The model serves a reasonable framework to describe simultaneously different sectors in low-energy particle physics.

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