${{\mathit \eta}_{{{c}}}{(2S)}}$ $\rightarrow$ ${{\mathit \pi}^{+}}{{\mathit \pi}^{-}}{{\mathit \eta}}$  Decay Mode Summary INSPIRE   PDGID:
M059.12
Mode Fraction ($\Gamma_i$ / $\Gamma$) Scale Factor/
Conf. Level
P(MeV/c)  
$\Gamma_{18}$ ${{\mathit \eta}_{{{c}}}{(2S)}}$ $\rightarrow$ ${{\mathit \pi}^{+}}{{\mathit \pi}^{-}}{{\mathit \eta}}$ ($4.3$ $\pm3.2$) $ \times 10^{-3}$ 1766
The following data is related to the above value: