${{\mathit \eta}_{{c}}{(2S)}}$ $\rightarrow$ ${{\mathit \phi}}{{\mathit \phi}}$   Decay Mode Summary INSPIRE   PDGID:
M059.18
Mode Fraction ($\Gamma_i$ / $\Gamma$) Scale Factor/
Conf. Level		 P(MeV/c)  
$\Gamma_{13}$ ${{\mathit \eta}_{{c}}{(2S)}}$ $\rightarrow$ ${{\mathit \phi}}{{\mathit \phi}}$ $<1.1 \times 10^{-3}$ CL= 90% 1506
The following data is related to the above value:
 ▸ expand all datablocks
$\Gamma($ ${{\mathit \eta}_{{c}}{(2S)}}$ $\rightarrow$ ${{\mathit \phi}}{{\mathit \phi}}$ $)/\Gamma_{\text{total}}{\times }$ $\Gamma($ ${{\mathit \psi}{(2S)}}$ $\rightarrow$ ${{\mathit \gamma}}{{\mathit \eta}_{{c}}{(2S)}}$ $)/\Gamma_{\text{total}}$
$\Gamma_{13}/\Gamma{\times }\Gamma^{{{\mathit \psi}{(2S)}}}_{170}/\Gamma^{{{\mathit \psi}{(2S)}}}$
$\Gamma($ ${{\mathit \eta}_{{c}}{(2S)}}$ $\rightarrow$ ${{\mathit \phi}}{{\mathit \phi}}$ $)/\Gamma_{\text{total}}$
$\Gamma_{13}/\Gamma$