${{\boldsymbol \Upsilon}{(2S)}}$ $\rightarrow$ ${{\boldsymbol J / \psi}{(1S)}}{{\boldsymbol X}{(4160)}}$ INSPIRE search

$\Gamma($ ${{\mathit \Upsilon}{(2S)}}$ $\rightarrow$ ${{\mathit J / \psi}{(1S)}}{{\mathit X}{(4160)}}$ $)/\Gamma_{\text{total}}$
$\Gamma_{15}/\Gamma$
M052R59