${{\mathit \eta}^{\,'}{(958)}}$ $\rightarrow$ 3 ${{\mathit \gamma}}$   Decay Mode Summary INSPIRE   PDGID:
M002.23
Mode (*) Fraction ($\Gamma_i$ / $\Gamma$) Scale Factor/
Conf. Level		 P(MeV/c)  
$\Gamma_{36}$ ${{\mathit \eta}^{\,'}{(958)}}$ $\rightarrow$ 3 ${{\mathit \gamma}}$ $<1.0 \times 10^{-4}$ CL= 90% 479
Category: Charge conjugation ($\mathit C$), Parity ($\mathit P$), Lepton family number ($\mathit LF$) violating modes
Note: (C) CHARGE CONJUGATION ($\mathit C$) INVARIANCE
The following data is related to the above value:
$\Gamma($ ${{\mathit \eta}^{\,'}{(958)}}$ $\rightarrow$ 3 ${{\mathit \gamma}}$ $)/\Gamma($ ${{\mathit \eta}^{\,'}{(958)}}$ $\rightarrow$ ${{\mathit \pi}^{0}}{{\mathit \pi}^{0}}{{\mathit \eta}}$ $)$
$\Gamma_{36}/\Gamma_{4}$