${{\mathit \eta}}$ $\rightarrow$ 2 ${{\mathit \mu}^{+}}$2 ${{\mathit \mu}^{-}}$  Decay Mode Summary INSPIRE   JSON  (beta) PDGID:
S014.110
Mode (*) Fraction ($\Gamma_i$ / $\Gamma$) Scale Factor/
Conf. Level		 P(MeV/c)  
$\Gamma_{18}$ ${{\mathit \eta}}$ $\rightarrow$ 2 ${{\mathit \mu}^{+}}$2 ${{\mathit \mu}^{-}}$ ($5.0$ $\pm1.3$) $ \times 10^{-9}$ 161
Category: Charged modes
The following data is related to the above value:
$\Gamma({{\mathit \eta}}$ $\rightarrow$ 2 ${{\mathit \mu}^{+}}$2 ${{\mathit \mu}^{-}})/\Gamma({{\mathit \eta}}$ $\rightarrow$ ${{\mathit \mu}^{+}}{{\mathit \mu}^{-}})$
$\Gamma_{18}/\Gamma_{14}$