${{\mathit \chi}_{{{b1}}}{(1P)}}$ $\rightarrow$ ${{\mathit J / \psi}{(1S)}}$ anything  Decay Mode Summary INSPIRE   PDGID:
M077.20
Mode Fraction ($\Gamma_i$ / $\Gamma$) Scale Factor/
Conf. Level
P(MeV/c)  
$\Gamma_{22}$ ${{\mathit \chi}_{{{b1}}}{(1P)}}$ $\rightarrow$ ${{\mathit J / \psi}{(1S)}}$ anything $<1.1 \times 10^{-3}$ CL= 90%
The following data is related to the above value: