${{\mathit \psi}{(4230)}}$ $\rightarrow$ ${{\mathit \eta}_{{{c}}}{(1S)}}{{\mathit \eta}^{\,'}}{{\mathit \gamma}}$  Decay Mode Summary INSPIRE   JSON PDGID:
M074.82
Mode (*) Fraction ($\Gamma_i$ / $\Gamma$) Scale Factor/
Conf. Level		 P(MeV/c)  
$\Gamma_{81}$ ${{\mathit \psi}{(4230)}}$ $\rightarrow$ ${{\mathit \eta}_{{{c}}}{(1S)}}{{\mathit \eta}^{\,'}}{{\mathit \gamma}}$ not seen 661
Category: Radiative decays
The following data is related to the above decay:
$\Gamma({{\mathit \psi}{(4230)}}$ $\rightarrow$ ${{\mathit \eta}_{{{c}}}{(1S)}}{{\mathit \eta}^{\,'}}{{\mathit \gamma}})/\Gamma_{\text{total}}$
$\Gamma_{81}/\Gamma$