${{\mathit J / \psi}{(1S)}}$ $\rightarrow$ ${{\mathit \gamma}}{{\mathit g}}{{\mathit g}}$   Decay Mode Summary INSPIRE   PDGID:
M070.250
Mode Fraction ($\Gamma_i$ / $\Gamma$) Scale Factor/
Conf. Level		 P(MeV/c)  
$\Gamma_{4}$ ${{\mathit J / \psi}{(1S)}}$ $\rightarrow$ ${{\mathit \gamma}}{{\mathit g}}{{\mathit g}}$ $0.088$ $\pm0.011$
The following data is related to the above value:
 ▸ expand all datablocks
$\Gamma($ ${{\mathit J / \psi}{(1S)}}$ $\rightarrow$ ${{\mathit \gamma}}{{\mathit g}}{{\mathit g}}$ $)/\Gamma($ ${{\mathit J / \psi}{(1S)}}$ $\rightarrow$ ${{\mathit g}}{{\mathit g}}{{\mathit g}}$ $)$
$\Gamma_{4}/\Gamma_{3}$
$\Gamma($ ${{\mathit J / \psi}{(1S)}}$ $\rightarrow$ ${{\mathit \gamma}}{{\mathit g}}{{\mathit g}}$ $)/\Gamma_{\text{total}}$
$\Gamma_{4}/\Gamma$