${{\mathit \eta}}$ $\rightarrow$ ${{\mathit \mu}^{+}}{{\mathit \mu}^{-}}{{\mathit \gamma}}$   Decay Mode Summary INSPIRE   PDGID:
S014.13
Mode (*) Fraction ($\Gamma_i$ / $\Gamma$) Scale Factor/
Conf. Level		 P(MeV/c)  
$\Gamma_{12}$ ${{\mathit \eta}}$ $\rightarrow$ ${{\mathit \mu}^{+}}{{\mathit \mu}^{-}}{{\mathit \gamma}}$ ($3.1$ $\pm0.4$) $ \times 10^{-4}$ 253
Category: Charged modes
The following data is related to the above value:
 ▸ expand all datablocks
$\Gamma($ ${{\mathit \eta}}$ $\rightarrow$ ${{\mathit \mu}^{+}}{{\mathit \mu}^{-}}{{\mathit \gamma}}$ $)/\Gamma_{\text{total}}$
$\Gamma_{12}/\Gamma$
$\Gamma($ ${{\mathit \eta}}$ $\rightarrow$ charged modes$)/\Gamma_{\text{total}}$
$\Gamma_{8}/\Gamma$