${{\mathit J / \psi}{(1S)}}$ $\rightarrow$ ${{\mathit \gamma}}{{\mathit f}_{{{2}}}{(1950)}}$ $\rightarrow$ ${{\mathit \gamma}}{{\mathit \gamma}}{{\mathit \phi}}$  Decay Mode Summary INSPIRE   JSON PDGID:
M070.490
Mode (*) Fraction ($\Gamma_i$ / $\Gamma$) Scale Factor/
Conf. Level		 P(MeV/c)  
$\Gamma_{340}$ ${{\mathit J / \psi}{(1S)}}$ $\rightarrow$ ${{\mathit \gamma}}{{\mathit f}_{{{2}}}{(1950)}}$ $\rightarrow$ ${{\mathit \gamma}}{{\mathit \gamma}}{{\mathit \phi}}$ ($10.0$ ${}^{+3.5}_{-2.2}$) $ \times 10^{-6}$
Category: Radiative decays
The following data is related to the above decay:
$\Gamma({{\mathit J / \psi}{(1S)}}$ $\rightarrow$ ${{\mathit \gamma}}{{\mathit f}_{{{2}}}{(1950)}}$ $\rightarrow$ ${{\mathit \gamma}}{{\mathit \gamma}}{{\mathit \phi}})/\Gamma_{\text{total}}$
$\Gamma_{340}/\Gamma$