${{\mathit \eta}_{{{c}}}{(1S)}}$ $\rightarrow$ 2( ${{\mathit \pi}^{+}}{{\mathit \pi}^{-}}$) INSPIRE search

$\Gamma($ ${{\mathit \eta}_{{{c}}}{(1S)}}$ $\rightarrow$ 2( ${{\mathit \pi}^{+}}{{\mathit \pi}^{-}}))/\Gamma_{\text{total}}{\times }$ $\Gamma($ ${{\mathit J / \psi}{(1S)}}$ $\rightarrow$ ${{\mathit \gamma}}{{\mathit \eta}_{{{c}}}{(1S)}})/\Gamma_{\text{total}}$
$\Gamma_{48}/\Gamma{\times }\Gamma^{{{\mathit J / \psi}{(1S)}}}_{245}/\Gamma^{{{\mathit J / \psi}{(1S)}}}$
M026R93
$\Gamma($ ${{\mathit \eta}_{{{c}}}{(1S)}}$ $\rightarrow$ 2( ${{\mathit \pi}^{+}}{{\mathit \pi}^{-}}))/\Gamma_{\text{total}}{\times }$ $\Gamma($ ${{\mathit \psi}{(2S)}}$ $\rightarrow$ ${{\mathit \gamma}}{{\mathit \eta}_{{{c}}}{(1S)}})/\Gamma_{\text{total}}$
$\Gamma_{48}/\Gamma{\times }\Gamma^{{{\mathit \psi}{(2S)}}}_{184}/\Gamma^{{{\mathit \psi}{(2S)}}}$
M026R94
$\Gamma($ ${{\mathit \eta}_{{{c}}}{(1S)}}$ $\rightarrow$ 2( ${{\mathit \pi}^{+}}{{\mathit \pi}^{-}}))/\Gamma_{\text{total}}{\times }$ $\Gamma($ ${{\mathit h}_{{{c}}}{(1P)}}$ $\rightarrow$ ${{\mathit \gamma}}{{\mathit \eta}_{{{c}}}{(1S)}})/\Gamma_{\text{total}}$
$\Gamma_{48}/\Gamma{\times }\Gamma^{{{\mathit h}_{{{c}}}{(1P)}}}_{30}/\Gamma^{{{\mathit h}_{{{c}}}{(1P)}}}$
M026R92
$\Gamma($ ${{\mathit \eta}_{{{c}}}{(1S)}}$ $\rightarrow$ 2( ${{\mathit \pi}^{+}}{{\mathit \pi}^{-}}))$ ${\times }$ $\Gamma($ ${{\mathit \eta}_{{{c}}}{(1S)}}$ $\rightarrow$ ${{\mathit \gamma}}{{\mathit \gamma}})/\Gamma_{\text{total}}$
$\Gamma_{48}\Gamma_{59}/\Gamma$
M026G11