${{\mathit \Upsilon}{(2S)}}$ $\rightarrow$ ${{\mathit \chi}_{{{c1}}}}$ anything  Decay Mode Summary INSPIRE   PDGID:
M052.157
Mode Fraction ($\Gamma_i$ / $\Gamma$) Scale Factor/
Conf. Level
P(MeV/c)  
$\Gamma_{16}$ ${{\mathit \Upsilon}{(2S)}}$ $\rightarrow$ ${{\mathit \chi}_{{{c1}}}}$ anything ($2.2$ $\pm0.5$) $ \times 10^{-4}$
The following data is related to the above value: