${{\mathit \Upsilon}{(1S)}}$ $\rightarrow$ ${{\mathit X}_{{{cs}}}^{\pm}}$ anything , ${{\mathit X}}$ $\rightarrow$ ${{\mathit J / \psi}}{{\mathit K}^{\pm}}$  Decay Mode Summary INSPIRE   JSON  (beta) PDGID:
M049.173
Mode (*) Fraction ($\Gamma_i$ / $\Gamma$) Scale Factor/
Conf. Level
P(MeV/c)  
$\Gamma_{19}$ ${{\mathit \Upsilon}{(1S)}}$ $\rightarrow$ ${{\mathit X}_{{{cs}}}^{\pm}}$ anything , ${{\mathit X}}$ $\rightarrow$ ${{\mathit J / \psi}}{{\mathit K}^{\pm}}$ $<5.7 \times 10^{-6}$ CL= 90%
Category: Hadronic decays
The following data is related to the above value: