${{\mathit J / \psi}{(1S)}}$ $\rightarrow$ virtual ${{\mathit \gamma}}$ $\rightarrow$ hadrons  Decay Mode Summary INSPIRE   PDGID:
M070.4
Mode Fraction ($\Gamma_i$ / $\Gamma$) Scale Factor/
Conf. Level		 P(MeV/c)  
$\Gamma_{2}$ ${{\mathit J / \psi}{(1S)}}$ $\rightarrow$ virtual ${{\mathit \gamma}}$ $\rightarrow$ hadrons $0.1350$ $\pm0.0030$
The following data is related to the above value:
$\Gamma($ ${{\mathit J / \psi}{(1S)}}$ $\rightarrow$ virtual ${{\mathit \gamma}}$ $\rightarrow$ hadrons$)/\Gamma_{\text{total}}$
$\Gamma_{2}/\Gamma$