${{\mathit J / \psi}{(1S)}}$ $\rightarrow$ 4 ${{\mathit \gamma}}$  Decay Mode Summary INSPIRE   JSON  (beta) PDGID:
M070.244
Mode (*) Fraction ($\Gamma_i$ / $\Gamma$) Scale Factor/
Conf. Level		 P(MeV/c)  
$\Gamma_{249}$ ${{\mathit J / \psi}{(1S)}}$ $\rightarrow$ 4 ${{\mathit \gamma}}$ $<9 \times 10^{-6}$ CL= 90% 1548
Category: Radiative decays
The following data is related to the above value:
$\Gamma({{\mathit J / \psi}{(1S)}}$ $\rightarrow$ 4 ${{\mathit \gamma}})/\Gamma_{\text{total}}$
$\Gamma_{249}/\Gamma$