${{\mathit J / \psi}{(1S)}}$ $\rightarrow$ ${{\mathit \rho}}{{\mathit \pi}}$  Decay Mode Summary INSPIRE   PDGID:
M070.20
Mode (*) Fraction ($\Gamma_i$ / $\Gamma$) Scale Factor/
Conf. Level		 P(MeV/c)  
$\Gamma_{8}$ ${{\mathit J / \psi}{(1S)}}$ $\rightarrow$ ${{\mathit \rho}}{{\mathit \pi}}$ ($1.88$ $\pm0.12$) $ \times 10^{-2}$ S=2.6  1448
Category: Decays involving hadronic resonances
The following data is related to the above value:
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$\Gamma($ ${{\mathit J / \psi}{(1S)}}$ $\rightarrow$ ${{\mathit \rho}}{{\mathit \pi}})/\Gamma($ ${{\mathit J / \psi}{(1S)}}$ $\rightarrow$ ${{\mathit \pi}^{+}}{{\mathit \pi}^{-}}{{\mathit \pi}^{0}})$
$\Gamma_{8}/\Gamma_{163}$
$\Gamma($ ${{\mathit J / \psi}{(1S)}}$ $\rightarrow$ ${{\mathit \rho}^{0}}{{\mathit \pi}^{0}})/\Gamma($ ${{\mathit J / \psi}{(1S)}}$ $\rightarrow$ ${{\mathit \rho}}{{\mathit \pi}})$
$\Gamma_{9}/\Gamma_{8}$
$\Gamma($ ${{\mathit J / \psi}{(1S)}}$ $\rightarrow$ ${{\mathit \rho}}{{\mathit \pi}})/\Gamma_{\text{total}}$
$\Gamma_{8}/\Gamma$