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We report on some recent developments in understanding the nature of thelow-lying mesonic resonances $f_0(1370)$, $f_0(1710)$, $f_2(1270)$,$f_2'(1525)$, and $K_2^*(1430)$. In particular we show that these fiveresonances can be dynamically generated from vector meson--vector mesoninteraction in a coupled-channel unitary approach, which utilizes thephenomenologically very successful hidden-gauge Lagrangians to produce theinteraction kernel between two vector mesons, which is then unitarized by theBethe-Salpeter-equation method. The data on the strong decay branching ratios,total decay widths, and radiative decay widths of these five states, and onrelated $J/\psi$ decay processes can all be well described by such an approach.We also make predictions, compare them with the results of earlier studies, andhighlight observables that if measured can be used to distinguish differentpictures of these resonances.

aip conference proceedings

The $f_0(1370)$, $f_0(1710)$, $f_2(1270)$, $f_2'(1525)$, and  $K_2^*(1430)$ as dynamically generated states from vector meson - vector  meson interaction