${{\mathit J / \psi}{(1S)}}$ $\rightarrow$ 3 ${{\mathit \gamma}}$  Decay Mode Summary INSPIRE   JSON  (beta) PDGID:
M070.81
Mode (*) Fraction ($\Gamma_i$ / $\Gamma$) Scale Factor/
Conf. Level		 P(MeV/c)  
$\Gamma_{248}$ ${{\mathit J / \psi}{(1S)}}$ $\rightarrow$ 3 ${{\mathit \gamma}}$ ($1.16$ $\pm0.22$) $ \times 10^{-5}$ 1548
Category: Radiative decays
The following data is related to the above value:
$\Gamma({{\mathit J / \psi}{(1S)}}$ $\rightarrow$ 3 ${{\mathit \gamma}})/\Gamma_{\text{total}}$
$\Gamma_{248}/\Gamma$