${{\mathit \chi}_{{{c2}}}{(1P)}}$ $\rightarrow$ ${{\mathit \eta}}{{\mathit \eta}^{\,'}}$  Decay Mode Summary INSPIRE   JSON  (beta) PDGID:
M057.34
Mode (*) Fraction ($\Gamma_i$ / $\Gamma$) Scale Factor/
Conf. Level		 P(MeV/c)  
$\Gamma_{46}$ ${{\mathit \chi}_{{{c2}}}{(1P)}}$ $\rightarrow$ ${{\mathit \eta}}{{\mathit \eta}^{\,'}}$ ($2.2$ $\pm0.5$) $ \times 10^{-5}$ 1600
Category: Hadronic decays
The following data is related to the above value:
$\Gamma({{\mathit \chi}_{{{c2}}}{(1P)}}$ $\rightarrow$ ${{\mathit \eta}}{{\mathit \eta}^{\,'}})/\Gamma_{\text{total}}$
$\Gamma_{46}/\Gamma$