${{\mathit \Upsilon}{(2S)}}$ $\rightarrow$ ${{\mathit \psi}{(2S)}}{{\mathit X}{(3940)}}$   Decay Mode Summary INSPIRE   PDGID:
M052.155
Mode Fraction ($\Gamma_i$ / $\Gamma$) Scale Factor/
Conf. Level
P(MeV/c)  
$\Gamma_{24}$ ${{\mathit \Upsilon}{(2S)}}$ $\rightarrow$ ${{\mathit \psi}{(2S)}}{{\mathit X}{(3940)}}$ $<3.9 \times 10^{-6}$ CL= 90% 3250
The following data is related to the above value: