${{\mathit \Upsilon}{(1S)}}$ $\rightarrow$ ${{\mathit J / \psi}{(1S)}}{{\mathit X}{(3940)}}$  Decay Mode Summary INSPIRE   JSON  (beta) PDGID:
M049.151
Mode (*) Fraction ($\Gamma_i$ / $\Gamma$) Scale Factor/
Conf. Level		 P(MeV/c)  
$\Gamma_{13}$ ${{\mathit \Upsilon}{(1S)}}$ $\rightarrow$ ${{\mathit J / \psi}{(1S)}}{{\mathit X}{(3940)}}$ $<5.4 \times 10^{-6}$ CL= 90% 3148
Category: Hadronic decays
The following data is related to the above value:
$\Gamma({{\mathit \Upsilon}{(1S)}}$ $\rightarrow$ ${{\mathit J / \psi}{(1S)}}{{\mathit X}{(3940)}})/\Gamma_{\text{total}}$
$\Gamma_{13}/\Gamma$