${{\mathit \psi}{(2S)}}$ $\rightarrow$ ${{\mathit e}^{+}}{{\mathit e}^{-}}{{\mathit \chi}_{{{c1}}}{(1P)}}$  Decay Mode Summary INSPIRE   JSON PDGID:
M071.301
Mode (*) Fraction ($\Gamma_i$ / $\Gamma$) Scale Factor/
Conf. Level		 P(MeV/c)  
$\Gamma_{249}$ ${{\mathit \psi}{(2S)}}$ $\rightarrow$ ${{\mathit e}^{+}}{{\mathit e}^{-}}{{\mathit \chi}_{{{c1}}}{(1P)}}$ ($8.6$ $\pm0.7$) $ \times 10^{-4}$ 171
Category: Radiative decays
The following data is related to the above decay:
 ▸ expand all datablocks
$\Gamma({{\mathit \psi}{(2S)}}$ $\rightarrow$ ${{\mathit e}^{+}}{{\mathit e}^{-}}{{\mathit \chi}_{{{c1}}}{(1P)}})/\Gamma({{\mathit \psi}{(2S)}}$ $\rightarrow$ ${{\mathit \gamma}}{{\mathit \chi}_{{{c1}}}{(1P)}})$
$\Gamma_{249}/\Gamma_{197}$
$\Gamma({{\mathit \psi}{(2S)}}$ $\rightarrow$ ${{\mathit e}^{+}}{{\mathit e}^{-}}{{\mathit \chi}_{{{c1}}}{(1P)}})/\Gamma_{\text{total}}$
$\Gamma_{249}/\Gamma$