${{\mathit J / \psi}{(1S)}}$ $\rightarrow$ ${{\mathit p}}{{\overline{\mathit p}}}$  Decay Mode Summary INSPIRE   JSON  (beta) PDGID:
M070.50
Mode (*) Fraction ($\Gamma_i$ / $\Gamma$) Scale Factor/
Conf. Level		 P(MeV/c)  
$\Gamma_{214}$ ${{\mathit J / \psi}{(1S)}}$ $\rightarrow$ ${{\mathit p}}{{\overline{\mathit p}}}$ ($2.120$ $\pm0.029$) $ \times 10^{-3}$ 1232
Category: Decays into stable hadrons
The following data is related to the above value:
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$\Gamma({{\mathit J / \psi}{(1S)}}$ $\rightarrow$ ${{\mathit p}}{{\overline{\mathit p}}})/\Gamma_{\text{total}}$
$\Gamma_{214}/\Gamma$
$\Gamma({{\mathit J / \psi}{(1S)}}$ $\rightarrow$ ${{\mathit p}}{{\overline{\mathit p}}})$ ${\times }$ $\Gamma({{\mathit J / \psi}{(1S)}}$ $\rightarrow$ ${{\mathit e}^{+}}{{\mathit e}^{-}})/\Gamma_{\text{total}}$
$\Gamma_{214}\Gamma_{5}/\Gamma$