${{\mathit \Upsilon}{(4S)}}$ $\rightarrow$ ${{\mathit \rho}}{{\mathit \eta}^{\,'}}$  Decay Mode Summary INSPIRE   PDGID:
M047.20
Mode Fraction ($\Gamma_i$ / $\Gamma$) Scale Factor/
Conf. Level
P(MeV/c)  
$\Gamma_{16}$ ${{\mathit \Upsilon}{(4S)}}$ $\rightarrow$ ${{\mathit \rho}}{{\mathit \eta}^{\,'}}$ $<2.5 \times 10^{-6}$ CL= 90% 5217
The following data is related to the above value: