Paper detail

Study of the $f_2(1270)$, $f'_2(1525)$, $\bar{K}^*_{2}(1430)$, $f_0(1370)$ and $f_0(1710)$ production from $ψ(nS)$ and $Υ(nS)$ decays

Based on previous studies that support the important role of the $f_2(1270)$, $f'_2(1525)$, and $\bar{K}^{*}_{2}(1430)$ resonances in the $J/ψ[ψ(2S)] \to ϕ(ω) VV$ decays, we make an analysis of the analogous decays of $Υ(1S)$ and $Υ(2S)$, taking into account recent experimental data. In addition, we study the $J/ψ$ and $ψ(2S)$ radiative decays and we also made predictions for the radiative decay of $Υ(1S)$ and $Υ(2S)$ into $γf_2(1270)$, $γf'_2(1525)$, $γf_0(1370)$ and $γf_0(1710)$, comparing with the recent results of a CLEO experiment. We can compare our results for ratios of decay rates with eight experimental ratios and find agreement in all but one case, where experimental problems are discussed.