${{\mathit T}_{{{c {{\overline{\mathit c}}} 1}}}{(3900)}}$ $\rightarrow$ ${{\mathit J / \psi}}{{\mathit \eta}}$  Decay Mode Summary INSPIRE   JSON  (beta) PDGID:
M210.5
Mode Fraction ($\Gamma_i$ / $\Gamma$) Scale Factor/
Conf. Level		 P(MeV/c)  
$\Gamma_{9}$ ${{\mathit T}_{{{c {{\overline{\mathit c}}} 1}}}{(3900)}}$ $\rightarrow$ ${{\mathit J / \psi}}{{\mathit \eta}}$ not seen 510
The following data is related to the above decay:
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$\Gamma({{\mathit T}_{{{c {{\overline{\mathit c}}} 1}}}{(3900)}}$ $\rightarrow$ ${{\mathit J / \psi}}{{\mathit \eta}})/\Gamma({{\mathit T}_{{{c {{\overline{\mathit c}}} 1}}}{(3900)}}$ $\rightarrow$ ${{\mathit J / \psi}}{{\mathit \pi}})$
$\Gamma_{9}/\Gamma_{1}$
$\Gamma({{\mathit T}_{{{c {{\overline{\mathit c}}} 1}}}{(3900)}}$ $\rightarrow$ ${{\mathit J / \psi}}{{\mathit \eta}})/\Gamma_{\text{total}}$
$\Gamma_{9}/\Gamma$