${{\mathit \psi}{(4160)}}$ $\rightarrow$ ${{\mathit J / \psi}}{{\mathit \eta}^{\,'}}$   Decay Mode Summary INSPIRE   PDGID:
M025.7
Mode Fraction ($\Gamma_i$ / $\Gamma$) Scale Factor/
Conf. Level		 P(MeV/c)  
$\Gamma_{22}$ ${{\mathit \psi}{(4160)}}$ $\rightarrow$ ${{\mathit J / \psi}}{{\mathit \eta}^{\,'}}$ $<5 \times 10^{-3}$ CL= 90% 457
The following data is related to the above value:
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$\Gamma($ ${{\mathit \psi}{(4160)}}$ $\rightarrow$ ${{\mathit J / \psi}}{{\mathit \eta}^{\,'}}$ $)/\Gamma_{\text{total}}$
$\Gamma_{22}/\Gamma$
$\Gamma($ ${{\mathit \psi}{(4160)}}$ $\rightarrow$ ${{\mathit J / \psi}}{{\mathit \eta}^{\,'}}$ $)$ ${\times }$ $\Gamma($ ${{\mathit \psi}{(4160)}}$ $\rightarrow$ ${{\mathit e}^{+}}{{\mathit e}^{-}}$ $)/\Gamma_{\text{total}}$
$\Gamma_{22}\Gamma_{1}/\Gamma$