${{\mathit \psi}{(3770)}}$ $\rightarrow$ ${{\mathit \gamma}}{{\mathit \eta}^{\,'}}$  Decay Mode Summary INSPIRE   JSON  (beta) PDGID:
M053.213
Mode (*) Fraction ($\Gamma_i$ / $\Gamma$) Scale Factor/
Conf. Level
P(MeV/c)  
$\Gamma_{106}$ ${{\mathit \psi}{(3770)}}$ $\rightarrow$ ${{\mathit \gamma}}{{\mathit \eta}^{\,'}}$ $<1.8 \times 10^{-4}$ CL= 90% 1765
Category: Radiative decays
The following data is related to the above value: