${{\boldsymbol Z}_{{c}}{(3900)}}$ $\rightarrow$ ${{\boldsymbol J / \psi}}{{\boldsymbol \eta}}$ INSPIRE search

$\Gamma($ ${{\mathit Z}_{{c}}{(3900)}}$ $\rightarrow$ ${{\mathit J / \psi}}{{\mathit \eta}}$ $)/\Gamma($ ${{\mathit Z}_{{c}}{(3900)}}$ $\rightarrow$ ${{\mathit J / \psi}}{{\mathit \pi}}$ $)$
$\Gamma_{9}/\Gamma_{1}$
M210R05
$\Gamma($ ${{\mathit Z}_{{c}}{(3900)}}$ $\rightarrow$ ${{\mathit J / \psi}}{{\mathit \eta}}$ $)/\Gamma_{\text{total}}$
$\Gamma_{9}/\Gamma$
M210R04