${{\mathit Z}}$ $\rightarrow$ ${{\mathit \eta}}{{\mathit \gamma}}$   Decay Mode Summary INSPIRE   PDGID:
S044.11
Mode Fraction ($\Gamma_i$ / $\Gamma$) Scale Factor/
Conf. Level		 P(MeV/c)  
$\Gamma_{16}$ ${{\mathit Z}}$ $\rightarrow$ ${{\mathit \eta}}{{\mathit \gamma}}$ $<5.1 \times 10^{-5}$ CL= 95% 45592
The following data is related to the above value:
$\Gamma($ ${{\mathit Z}}$ $\rightarrow$ ${{\mathit \eta}}{{\mathit \gamma}}$ $)/\Gamma_{\text{total}}$
$\Gamma_{16}/\Gamma$