${{\mathit \chi}_{{c2}}{(1P)}}$ $\rightarrow$ ${{\mathit \eta}}{{\mathit \eta}}$   Decay Mode Summary INSPIRE   PDGID:
M057.14
Mode (*) Fraction ($\Gamma_i$ / $\Gamma$) Scale Factor/
Conf. Level		 P(MeV/c)  
$\Gamma_{31}$ ${{\mathit \chi}_{{c2}}{(1P)}}$ $\rightarrow$ ${{\mathit \eta}}{{\mathit \eta}}$ ($5.4$ $\pm0.4$) $ \times 10^{-4}$ 1692
Category: Hadronic decays
The following data is related to the above value:
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$\Gamma($ ${{\mathit \chi}_{{c2}}{(1P)}}$ $\rightarrow$ ${{\mathit \eta}}{{\mathit \eta}}$ $)/\Gamma_{\text{total}}$
$\Gamma_{31}/\Gamma$
$\Gamma($ ${{\mathit \chi}_{{c2}}{(1P)}}$ $\rightarrow$ ${{\mathit \eta}}{{\mathit \eta}}$ $)/\Gamma_{\text{total}}{\times }$ $\Gamma($ ${{\mathit \psi}{(2S)}}$ $\rightarrow$ ${{\mathit \gamma}}{{\mathit \chi}_{{c2}}{(1P)}}$ $)/\Gamma_{\text{total}}$
$\Gamma_{31}/\Gamma{\times }\Gamma^{{{\mathit \psi}{(2S)}}}_{168}/\Gamma^{{{\mathit \psi}{(2S)}}}$
$\Gamma($ ${{\mathit \chi}_{{c2}}{(1P)}}$ $\rightarrow$ ${{\mathit \eta}}{{\mathit \eta}}$ $)$ ${\times }$ $\Gamma($ ${{\mathit \chi}_{{c2}}{(1P)}}$ $\rightarrow$ ${{\mathit \gamma}}{{\mathit \gamma}}$ $)/\Gamma_{\text{total}}$
$\Gamma_{31}\Gamma_{97}/\Gamma$