${{\mathit \Upsilon}{(2S)}}$ $\rightarrow$ ${{\mathit J / \psi}{(1S)}}{{\mathit X}{(3940)}}$ INSPIRE search

$\Gamma($ ${{\mathit \Upsilon}{(2S)}}$ $\rightarrow$ ${{\mathit J / \psi}{(1S)}}{{\mathit X}{(3940)}})/\Gamma_{\text{total}}$
$\Gamma_{14}/\Gamma$
M052R58