${{\mathit J / \psi}{(1S)}}$ $\rightarrow$ ${{\mathit \phi}}$ + invisible ${{\mathit X}}$  Decay Mode Summary INSPIRE   JSON PDGID:
M070.506
Mode (*) Fraction ($\Gamma_i$ / $\Gamma$) Scale Factor/
Conf. Level		 P(MeV/c)  
$\Gamma_{423}$ ${{\mathit J / \psi}{(1S)}}$ $\rightarrow$ ${{\mathit \phi}}$ + invisible ${{\mathit X}}$
Category: Other decays
The following data is related to the above decay:
$\Gamma({{\mathit J / \psi}{(1S)}}$ $\rightarrow$ ${{\mathit \phi}}$ + invisible ${{\mathit X}})/\Gamma_{\text{total}}$
$\Gamma_{423}/\Gamma$