${{\mathit \pi}^{0}}$ $\rightarrow$ 4 ${{\mathit \gamma}}$   Decay Mode Summary INSPIRE   PDGID:
S009.5
Mode Fraction ($\Gamma_i$ / $\Gamma$) Scale Factor/
Conf. Level
P(MeV/c)  
$\Gamma_{6}$ ${{\mathit \pi}^{0}}$ $\rightarrow$ 4 ${{\mathit \gamma}}$ $<2 \times 10^{-8}$ CL= 90% 67
The following data is related to the above value: