${{\mathit \chi}_{{{b1}}}{(2P)}}$ $\rightarrow$ ${{\mathit \pi}}{{\mathit \pi}}{{\mathit \chi}_{{{b1}}}{(1P)}}$  Decay Mode Summary INSPIRE   PDGID:
M080.4
Mode Fraction ($\Gamma_i$ / $\Gamma$) Scale Factor/
Conf. Level
P(MeV/c)  
$\Gamma_{4}$ ${{\mathit \chi}_{{{b1}}}{(2P)}}$ $\rightarrow$ ${{\mathit \pi}}{{\mathit \pi}}{{\mathit \chi}_{{{b1}}}{(1P)}}$ ($9.1$ $\pm1.3$) $ \times 10^{-3}$ 238
The following data is related to the above value: