${{\mathit \pi}^{0}}$ $\rightarrow$ ${{\mathit \gamma}}{{\mathit \nu}}{{\overline{\mathit \nu}}}$  Decay Mode Summary INSPIRE   JSON  (beta) PDGID:
S009.15
Mode Fraction ($\Gamma_i$ / $\Gamma$) Scale Factor/
Conf. Level		 P(MeV/c)  
$\Gamma_{11}$ ${{\mathit \pi}^{0}}$ $\rightarrow$ ${{\mathit \gamma}}{{\mathit \nu}}{{\overline{\mathit \nu}}}$ $<1.9 \times 10^{-7}$ CL= 90% 67
The following data is related to the above value:
$\Gamma({{\mathit \pi}^{0}}$ $\rightarrow$ ${{\mathit \gamma}}{{\mathit \nu}}{{\overline{\mathit \nu}}})/\Gamma_{\text{total}}$
$\Gamma_{11}/\Gamma$