${{\mathit \chi}_{{{b2}}}{(1P)}}$ $\rightarrow$ ${{\mathit J / \psi}{(1S)}}$ anything  Decay Mode Summary INSPIRE   JSON  (beta) PDGID:
M078.20
Mode Fraction ($\Gamma_i$ / $\Gamma$) Scale Factor/
Conf. Level		 P(MeV/c)  
$\Gamma_{20}$ ${{\mathit \chi}_{{{b2}}}{(1P)}}$ $\rightarrow$ ${{\mathit J / \psi}{(1S)}}$ anything ($1.5$ $\pm0.4$) $ \times 10^{-3}$
The following data is related to the above value:
$\Gamma({{\mathit \chi}_{{{b2}}}{(1P)}}$ $\rightarrow$ ${{\mathit J / \psi}{(1S)}}$ anything$)/\Gamma_{\text{total}}$
$\Gamma_{20}/\Gamma$