${{\mathit \Upsilon}{(2S)}}$ $\rightarrow$ ${{\mathit J / \psi}{(1S)}}{{\mathit X}{(3940)}}$   Decay Mode Summary INSPIRE   PDGID:
M052.148
Mode Fraction ($\Gamma_i$ / $\Gamma$) Scale Factor/
Conf. Level		 P(MeV/c)  
$\Gamma_{14}$ ${{\mathit \Upsilon}{(2S)}}$ $\rightarrow$ ${{\mathit J / \psi}{(1S)}}{{\mathit X}{(3940)}}$ $<2.0 \times 10^{-6}$ CL= 90% 3555
The following data is related to the above value:
$\Gamma($ ${{\mathit \Upsilon}{(2S)}}$ $\rightarrow$ ${{\mathit J / \psi}{(1S)}}{{\mathit X}{(3940)}}$ $)/\Gamma_{\text{total}}$
$\Gamma_{14}/\Gamma$