${{\mathit J / \psi}{(1S)}}$ $\rightarrow$ ${{\mathit \phi}}{{\mathit e}^{+}}{{\mathit e}^{-}}$  Decay Mode Summary INSPIRE   JSON  (beta) PDGID:
M070.384
Mode (*) Fraction ($\Gamma_i$ / $\Gamma$) Scale Factor/
Conf. Level		 P(MeV/c)  
$\Gamma_{376}$ ${{\mathit J / \psi}{(1S)}}$ $\rightarrow$ ${{\mathit \phi}}{{\mathit e}^{+}}{{\mathit e}^{-}}$ $<1.2 \times 10^{-7}$ CL= 90% 1381
Category: Dalitz decays
The following data is related to the above value:
$\Gamma({{\mathit J / \psi}{(1S)}}$ $\rightarrow$ ${{\mathit \phi}}{{\mathit e}^{+}}{{\mathit e}^{-}})/\Gamma_{\text{total}}$
$\Gamma_{376}/\Gamma$