${{\mathit \psi}{(4160)}}$ $\rightarrow$ ${{\mathit J / \psi}}{{\mathit \eta}}$  Decay Mode Summary INSPIRE   PDGID:
M025.5
Mode Fraction ($\Gamma_i$ / $\Gamma$) Scale Factor/
Conf. Level
P(MeV/c)  
$\Gamma_{20}$ ${{\mathit \psi}{(4160)}}$ $\rightarrow$ ${{\mathit J / \psi}}{{\mathit \eta}}$ $<8 \times 10^{-3}$ CL= 90% 821
The following data is related to the above value:
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