${{\mathit K}_L^0}$ $\rightarrow$ 3 ${{\mathit \gamma}}$  Decay Mode Summary INSPIRE   JSON  (beta) PDGID:
S013.45
Mode (*) Fraction ($\Gamma_i$ / $\Gamma$) Scale Factor/
Conf. Level		 P(MeV/c)  
$\Gamma_{18}$ ${{\mathit K}_L^0}$ $\rightarrow$ 3 ${{\mathit \gamma}}$ $<7.4 \times 10^{-8}$ CL= 90% 249
Category: Other modes with photons or ${{\mathit \ell}}{{\overline{\mathit \ell}}}$ pairs
The following data is related to the above value:
$\Gamma({{\mathit K}_L^0}$ $\rightarrow$ 3 ${{\mathit \gamma}})/\Gamma_{\text{total}}$
$\Gamma_{18}/\Gamma$