${{\mathit J / \psi}{(1S)}}$ $\rightarrow$ ${{\mathit \gamma}}{{\mathit \Lambda}}{{\overline{\mathit \Lambda}}}$  Decay Mode Summary INSPIRE   JSON  (beta) PDGID:
M070.200
Mode (*) Fraction ($\Gamma_i$ / $\Gamma$) Scale Factor/
Conf. Level		 P(MeV/c)  
$\Gamma_{363}$ ${{\mathit J / \psi}{(1S)}}$ $\rightarrow$ ${{\mathit \gamma}}{{\mathit \Lambda}}{{\overline{\mathit \Lambda}}}$ $<1.3 \times 10^{-4}$ CL= 90% 1074
Category: Radiative decays
The following data is related to the above value:
$\Gamma({{\mathit J / \psi}{(1S)}}$ $\rightarrow$ ${{\mathit \gamma}}{{\mathit \Lambda}}{{\overline{\mathit \Lambda}}})/\Gamma_{\text{total}}$
$\Gamma_{363}/\Gamma$