${{\mathit \Upsilon}{(2S)}}$ $\rightarrow$ ${{\mathit J / \psi}{(1S)}}{{\mathit X}{(4160)}}$   Decay Mode Summary INSPIRE   PDGID:
M052.149
Mode Fraction ($\Gamma_i$ / $\Gamma$) Scale Factor/
Conf. Level		 P(MeV/c)  
$\Gamma_{15}$ ${{\mathit \Upsilon}{(2S)}}$ $\rightarrow$ ${{\mathit J / \psi}{(1S)}}{{\mathit X}{(4160)}}$ $<2.0 \times 10^{-6}$ CL= 90% 3442
The following data is related to the above value:
$\Gamma($ ${{\mathit \Upsilon}{(2S)}}$ $\rightarrow$ ${{\mathit J / \psi}{(1S)}}{{\mathit X}{(4160)}}$ $)/\Gamma_{\text{total}}$
$\Gamma_{15}/\Gamma$