We investigate the hadronic two-body decay modes of the scalar-isoscalar f₀(1370), f₀(1500) and f₀(1710) states as resulting from the mixture of the lowest lying scalar glueball with the isoscalar states of the ground state ³P₀ QQ̄ nonet. In the decay analysis we take into account the direct coupling of the quarkonia and glueball components of the f₀ states to the quarkonia components of the two-meson final state with the decay dynamics inspired by the strong coupling limit of QCD. We calculate partial decay widths for the f₀ states in the proposed three-state mixing schemes and discuss their compatibility with the observed decay features. Finally, we determine the glueball-quarkonia content of the f₀ states from a detailed fit to experimental decay data of f₀(1500) and give predictions for the partial decay widths of f₀(1370) and f₀(1710), providing thus a sensitive test of the proposed mixing scheme.
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Strohmeier-Prešiček et al. (1999) studied this question.
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