${{\mathit \psi}{(4415)}}$ $\rightarrow$ ${{\mathit J / \psi}}{{\mathit \eta}}$   Decay Mode Summary INSPIRE   PDGID:
M073.19
Mode Fraction ($\Gamma_i$ / $\Gamma$) Scale Factor/
Conf. Level		 P(MeV/c)  
$\Gamma_{20}$ ${{\mathit \psi}{(4415)}}$ $\rightarrow$ ${{\mathit J / \psi}}{{\mathit \eta}}$ $<6 \times 10^{-3}$ CL= 90% 1022
The following data is related to the above value:
$\Gamma($ ${{\mathit \psi}{(4415)}}$ $\rightarrow$ ${{\mathit J / \psi}}{{\mathit \eta}}$ $)$ ${\times }$ $\Gamma($ ${{\mathit \psi}{(4415)}}$ $\rightarrow$ ${{\mathit e}^{+}}{{\mathit e}^{-}}$ $)/\Gamma_{\text{total}}$
$\Gamma_{20}\Gamma_{26}/\Gamma$