The identification of problematic meson states as the members of the quark model $q\bar{ q}$ nonets by using a hadronic resonance spectrum is discussed. The results favor the currently adopted $q\bar{ q}$ assignments for the axial-vector, tensor, and 1 $^3F_4$ $J^{ PC}=4^{ ++}$ meson nonets, and suggest a new $q\bar{ q}$ assignment for the scalar meson nonet which favors the interpretation of the $f_0(980)$ and $f_0(1710)$ mesons as non-$q\bar{ q}$ objects. We also suggest that the 2 $^3S_1$ $\frac{ 1}{ 2}(1^{ -})$ state should be identified with the $K^\ast (1680)$ rather than $K^\ast (1410)$ meson.
Categories: hep-ph