${{\mathit J / \psi}{(1S)}}$ $\rightarrow$ ${{\mathit \phi}}{{\mathit K}_S^0}$ ${{\mathit K}_S^0}$   Decay Mode Summary INSPIRE   JSON  (beta) PDGID:
M070.305
Mode (*) Fraction ($\Gamma_i$ / $\Gamma$) Scale Factor/
Conf. Level		 P(MeV/c)  
$\Gamma_{138}$ ${{\mathit J / \psi}{(1S)}}$ $\rightarrow$ ${{\mathit \phi}}{{\mathit K}_S^0}$ ${{\mathit K}_S^0}$ ($5.8$ $\pm1.5$) $ \times 10^{-4}$ 1176
Category: Decays involving hadronic resonances
The following data is related to the above value:
$\Gamma({{\mathit J / \psi}{(1S)}}$ $\rightarrow$ ${{\mathit \phi}}{{\mathit K}_S^0}$ ${{\mathit K}_S^0}$ $)$ ${\times }$ $\Gamma({{\mathit J / \psi}{(1S)}}$ $\rightarrow$ ${{\mathit e}^{+}}{{\mathit e}^{-}})/\Gamma_{\text{total}}$
$\Gamma_{138}\Gamma_{5}/\Gamma$