Study of the $J/\psi \to \varphi (\omega )f_2(1270)$, $J/\psi \to \varphi (\omega )f_2^{\prime }(1525)$ and $J/\psi \to K^{\ast 0}(892){\bar{K}}_2^{\ast 0}(1430)$ decays

Abstract

We present an approach to study the decay modes of the $J/\psi$ into a vector meson and a tensor meson, taking into account the nature of the $f_2(1270)$, $f_2^{\prime }(1525)$, ${\bar{K}}_2^{\ast 0}(1430)$ resonances as dynamically generated states from the vector meson-vector meson interaction. We evaluate four ratios of partial decay widths in terms of a flavor dependent OZI breaking parameter and the results obtained compare favorably with experiment. The fit to the data is possible due to the particular strength and sign of the couplings of the resonances to pairs of vector mesons given by the theory, thus providing a nontrivial test for the idea of these tensor states as dynamically generated from the vector-vector interaction.

published version

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