${{\mathit \eta}_{{c}}{(2S)}}$ $\rightarrow$ ${{\mathit K}}{{\overline{\mathit K}}}{{\mathit \eta}}$   Decay Mode Summary INSPIRE   PDGID:
M059.20
Mode Fraction ($\Gamma_i$ / $\Gamma$) Scale Factor/
Conf. Level		 P(MeV/c)  
$\Gamma_{3}$ ${{\mathit \eta}_{{c}}{(2S)}}$ $\rightarrow$ ${{\mathit K}}{{\overline{\mathit K}}}{{\mathit \eta}}$ ($5$ $\pm4$) $ \times 10^{-3}$ 1637
The following data is related to the above value:
 ▸ expand all datablocks
$\Gamma($ ${{\mathit \eta}_{{c}}{(2S)}}$ $\rightarrow$ ${{\mathit K}}{{\overline{\mathit K}}}{{\mathit \eta}}$ $)/\Gamma_{\text{total}}{\times }$ $\Gamma($ ${{\mathit \psi}{(2S)}}$ $\rightarrow$ ${{\mathit \gamma}}{{\mathit \eta}_{{c}}{(2S)}}$ $)/\Gamma_{\text{total}}$
$\Gamma_{3}/\Gamma{\times }\Gamma^{{{\mathit \psi}{(2S)}}}_{170}/\Gamma^{{{\mathit \psi}{(2S)}}}$
$\Gamma($ ${{\mathit \eta}_{{c}}{(2S)}}$ $\rightarrow$ ${{\mathit K}}{{\overline{\mathit K}}}{{\mathit \eta}}$ $)/\Gamma($ ${{\mathit \eta}_{{c}}{(2S)}}$ $\rightarrow$ ${{\mathit K}}{{\overline{\mathit K}}}{{\mathit \pi}}$ $)$
$\Gamma_{3}/\Gamma_{2}$