${{\mathit \chi}_{{{c2}}}{(1P)}}$ $\rightarrow$ ${{\mathit e}^{+}}{{\mathit e}^{-}}{{\mathit J / \psi}{(1S)}}$  Decay Mode Summary INSPIRE   JSON PDGID:
M057.86
Mode (*) Fraction ($\Gamma_i$ / $\Gamma$) Scale Factor/
Conf. Level		 P(MeV/c)  
$\Gamma_{112}$ ${{\mathit \chi}_{{{c2}}}{(1P)}}$ $\rightarrow$ ${{\mathit e}^{+}}{{\mathit e}^{-}}{{\mathit J / \psi}{(1S)}}$ ($2.14$ $\pm0.15$) $ \times 10^{-3}$ 430
Category: Radiative decays
The following data is related to the above decay:
 ▸ expand all datablocks
$\Gamma({{\mathit \chi}_{{{c2}}}{(1P)}}$ $\rightarrow$ ${{\mathit e}^{+}}{{\mathit e}^{-}}{{\mathit J / \psi}{(1S)}})/\Gamma({{\mathit \chi}_{{{c2}}}{(1P)}}$ $\rightarrow$ ${{\mathit \gamma}}{{\mathit J / \psi}{(1S)}})$
$\Gamma_{112}/\Gamma_{107}$
$\Gamma({{\mathit \chi}_{{{c2}}}{(1P)}}$ $\rightarrow$ ${{\mathit \mu}^{+}}{{\mathit \mu}^{-}}{{\mathit J / \psi}{(1S)}})/\Gamma({{\mathit \chi}_{{{c2}}}{(1P)}}$ $\rightarrow$ ${{\mathit e}^{+}}{{\mathit e}^{-}}{{\mathit J / \psi}{(1S)}})$
$\Gamma_{113}/\Gamma_{112}$
$\Gamma({{\mathit \chi}_{{{c2}}}{(1P)}}$ $\rightarrow$ ${{\mathit e}^{+}}{{\mathit e}^{-}}{{\mathit J / \psi}{(1S)}})/\Gamma_{\text{total}}$
$\Gamma_{112}/\Gamma$