${{\mathit J / \psi}{(1S)}}$ $\rightarrow$ ${{\mathit K}^{0}}{{\overline{\mathit K}}^{*}{(892)}^{0}}$ + c.c. $\rightarrow$ ${{\mathit K}^{0}}{{\mathit K}^{\pm}}{{\mathit \pi}^{\mp}}$ + c.c.  Decay Mode Summary INSPIRE   JSON  (beta) PDGID:
M070.233
Mode (*) Fraction ($\Gamma_i$ / $\Gamma$) Scale Factor/
Conf. Level		 P(MeV/c)  
$\Gamma_{77}$ ${{\mathit J / \psi}{(1S)}}$ $\rightarrow$ ${{\mathit K}^{0}}{{\overline{\mathit K}}^{*}{(892)}^{0}}$ + c.c. $\rightarrow$ ${{\mathit K}^{0}}{{\mathit K}^{\pm}}{{\mathit \pi}^{\mp}}$ + c.c. ($3.2$ $\pm0.4$) $ \times 10^{-3}$
Category: Decays involving hadronic resonances
The following data is related to the above value:
$\Gamma({{\mathit J / \psi}{(1S)}}$ $\rightarrow$ ${{\mathit K}^{0}}{{\overline{\mathit K}}^{*}{(892)}^{0}}$ + c.c. $\rightarrow$ ${{\mathit K}^{0}}{{\mathit K}^{\pm}}{{\mathit \pi}^{\mp}}$ + c.c.$)$ ${\times }$ $\Gamma({{\mathit J / \psi}{(1S)}}$ $\rightarrow$ ${{\mathit e}^{+}}{{\mathit e}^{-}})/\Gamma_{\text{total}}$
$\Gamma_{77}\Gamma_{5}/\Gamma$