${{\mathit \psi}{(2S)}}$ $\rightarrow$ ${{\mathit \gamma}}{{\mathit \chi}_{{{c0}}}{(1P)}}$  Decay Mode Summary INSPIRE   PDGID:
M071.56
Mode (*) Fraction ($\Gamma_i$ / $\Gamma$) Scale Factor/
Conf. Level		 P(MeV/c)  
$\Gamma_{179}$ ${{\mathit \psi}{(2S)}}$ $\rightarrow$ ${{\mathit \gamma}}{{\mathit \chi}_{{{c0}}}{(1P)}}$ ($9.77$ $\pm0.23$) $ \times 10^{-2}$ S=1.1  261
Category: Radiative decays
The following data is related to the above value:
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$\Gamma($ ${{\mathit \chi}_{{{c0}}}{(1P)}}$ $\rightarrow$ ${{\mathit p}}{{\overline{\mathit p}}})/\Gamma_{\text{total}}{\times }\Gamma($ ${{\mathit \psi}{(2S)}}$ $\rightarrow$ ${{\mathit \gamma}}{{\mathit \chi}_{{{c0}}}{(1P)}})/\Gamma($ ${{\mathit \psi}{(2S)}}$ $\rightarrow$ ${{\mathit J / \psi}{(1S)}}{{\mathit \pi}^{+}}{{\mathit \pi}^{-}})$
$\Gamma^{{{\mathit \chi}_{{{c0}}}{(1P)}}}_{58}/\Gamma^{{{\mathit \chi}_{{{c0}}}{(1P)}}}{\times }\Gamma_{179}/\Gamma_{12}$
$\Gamma($ ${{\mathit \psi}{(2S)}}$ $\rightarrow$ ${{\mathit \gamma}}{{\mathit \chi}_{{{c0}}}{(1P)}})/\Gamma_{\text{total}}{\times }$ $\Gamma($ ${{\mathit \chi}_{{{c0}}}{(1P)}}$ $\rightarrow$ ${{\mathit \Lambda}}{{\overline{\mathit \Lambda}}})/\Gamma_{\text{total}}$
$\Gamma_{179}/\Gamma{\times }\Gamma^{{{\mathit \chi}_{{{c0}}}{(1P)}}}_{71}/\Gamma^{{{\mathit \chi}_{{{c0}}}{(1P)}}}$
$\Gamma($ ${{\mathit \chi}_{{{c0}}}{(1P)}}$ $\rightarrow$ ${{\mathit \Lambda}}{{\overline{\mathit \Lambda}}})/\Gamma_{\text{total}}{\times }\Gamma($ ${{\mathit \psi}{(2S)}}$ $\rightarrow$ ${{\mathit \gamma}}{{\mathit \chi}_{{{c0}}}{(1P)}})/\Gamma($ ${{\mathit \psi}{(2S)}}$ $\rightarrow$ ${{\mathit J / \psi}{(1S)}}{{\mathit \pi}^{+}}{{\mathit \pi}^{-}})$
$\Gamma^{{{\mathit \chi}_{{{c0}}}{(1P)}}}_{71}/\Gamma^{{{\mathit \chi}_{{{c0}}}{(1P)}}}{\times }\Gamma_{179}/\Gamma_{12}$
$\Gamma($ ${{\mathit \psi}{(2S)}}$ $\rightarrow$ ${{\mathit \gamma}}{{\mathit \chi}_{{{c0}}}{(1P)}})/\Gamma_{\text{total}}{\times }$ $\Gamma($ ${{\mathit \chi}_{{{c0}}}{(1P)}}$ $\rightarrow$ ${{\mathit \Lambda}}{{\overline{\mathit \Lambda}}}{{\mathit \eta}})/\Gamma_{\text{total}}$
$\Gamma_{179}/\Gamma{\times }\Gamma^{{{\mathit \chi}_{{{c0}}}{(1P)}}}_{76}/\Gamma^{{{\mathit \chi}_{{{c0}}}{(1P)}}}$
$\Gamma($ ${{\mathit \psi}{(2S)}}$ $\rightarrow$ ${{\mathit \gamma}}{{\mathit \chi}_{{{c0}}}{(1P)}})/\Gamma_{\text{total}}{\times }$ $\Gamma($ ${{\mathit \chi}_{{{c0}}}{(1P)}}$ $\rightarrow$ ${{\mathit \gamma}}{{\mathit J / \psi}{(1S)}})/\Gamma_{\text{total}}$
$\Gamma_{179}/\Gamma{\times }\Gamma^{{{\mathit \chi}_{{{c0}}}{(1P)}}}_{94}/\Gamma^{{{\mathit \chi}_{{{c0}}}{(1P)}}}$
$\Gamma($ ${{\mathit \chi}_{{{c0}}}{(1P)}}$ $\rightarrow$ ${{\mathit \gamma}}{{\mathit J / \psi}{(1S)}})/\Gamma_{\text{total}}{\times }\Gamma($ ${{\mathit \psi}{(2S)}}$ $\rightarrow$ ${{\mathit \gamma}}{{\mathit \chi}_{{{c0}}}{(1P)}})/\Gamma($ ${{\mathit \psi}{(2S)}}$ $\rightarrow$ ${{\mathit J / \psi}{(1S)}}{{\mathit \pi}^{+}}{{\mathit \pi}^{-}})$
$\Gamma^{{{\mathit \chi}_{{{c0}}}{(1P)}}}_{94}/\Gamma^{{{\mathit \chi}_{{{c0}}}{(1P)}}}{\times }\Gamma_{179}/\Gamma_{12}$
$\Gamma($ ${{\mathit \psi}{(2S)}}$ $\rightarrow$ ${{\mathit \gamma}}{{\mathit \chi}_{{{c0}}}{(1P)}})/\Gamma_{\text{total}}{\times }$ $\Gamma($ ${{\mathit \chi}_{{{c0}}}{(1P)}}$ $\rightarrow$ ${{\mathit \gamma}}{{\mathit \gamma}})/\Gamma_{\text{total}}$
$\Gamma_{179}/\Gamma{\times }\Gamma^{{{\mathit \chi}_{{{c0}}}{(1P)}}}_{98}/\Gamma^{{{\mathit \chi}_{{{c0}}}{(1P)}}}$
$\Gamma($ ${{\mathit \psi}{(2S)}}$ $\rightarrow$ ${{\mathit \gamma}}{{\mathit \chi}_{{{c0}}}{(1P)}})/\Gamma_{\text{total}}{\times }$ $\Gamma($ ${{\mathit \chi}_{{{c0}}}{(1P)}}$ $\rightarrow$ ${{\mathit \pi}}{{\mathit \pi}})/\Gamma_{\text{total}}$
$\Gamma_{179}/\Gamma{\times }\Gamma^{{{\mathit \chi}_{{{c0}}}{(1P)}}}_{32}/\Gamma^{{{\mathit \chi}_{{{c0}}}{(1P)}}}$
$\Gamma($ ${{\mathit \chi}_{{{c0}}}{(1P)}}$ $\rightarrow$ ${{\mathit \pi}}{{\mathit \pi}})/\Gamma_{\text{total}}{\times }\Gamma($ ${{\mathit \psi}{(2S)}}$ $\rightarrow$ ${{\mathit \gamma}}{{\mathit \chi}_{{{c0}}}{(1P)}})/\Gamma($ ${{\mathit \psi}{(2S)}}$ $\rightarrow$ ${{\mathit J / \psi}{(1S)}}{{\mathit \pi}^{+}}{{\mathit \pi}^{-}})$
$\Gamma^{{{\mathit \chi}_{{{c0}}}{(1P)}}}_{32}/\Gamma^{{{\mathit \chi}_{{{c0}}}{(1P)}}}{\times }\Gamma_{179}/\Gamma_{12}$
$\Gamma($ ${{\mathit \psi}{(2S)}}$ $\rightarrow$ ${{\mathit \gamma}}{{\mathit \chi}_{{{c0}}}{(1P)}})/\Gamma_{\text{total}}{\times }$ $\Gamma($ ${{\mathit \chi}_{{{c0}}}{(1P)}}$ $\rightarrow$ ${{\mathit \eta}}{{\mathit \eta}})/\Gamma_{\text{total}}$
$\Gamma_{179}/\Gamma{\times }\Gamma^{{{\mathit \chi}_{{{c0}}}{(1P)}}}_{36}/\Gamma^{{{\mathit \chi}_{{{c0}}}{(1P)}}}$
$\Gamma($ ${{\mathit \chi}_{{{c0}}}{(1P)}}$ $\rightarrow$ ${{\mathit \eta}}{{\mathit \eta}})/\Gamma_{\text{total}}{\times }\Gamma($ ${{\mathit \psi}{(2S)}}$ $\rightarrow$ ${{\mathit \gamma}}{{\mathit \chi}_{{{c0}}}{(1P)}})/\Gamma($ ${{\mathit \psi}{(2S)}}$ $\rightarrow$ ${{\mathit J / \psi}{(1S)}}{{\mathit \pi}^{+}}{{\mathit \pi}^{-}})$
$\Gamma^{{{\mathit \chi}_{{{c0}}}{(1P)}}}_{36}/\Gamma^{{{\mathit \chi}_{{{c0}}}{(1P)}}}{\times }\Gamma_{179}/\Gamma_{12}$
$\Gamma($ ${{\mathit \psi}{(2S)}}$ $\rightarrow$ ${{\mathit \gamma}}{{\mathit \chi}_{{{c0}}}{(1P)}})/\Gamma_{\text{total}}{\times }$ $\Gamma($ ${{\mathit \chi}_{{{c0}}}{(1P)}}$ $\rightarrow$ ${{\mathit K}^{+}}{{\mathit K}^{-}})/\Gamma_{\text{total}}$
$\Gamma_{179}/\Gamma{\times }\Gamma^{{{\mathit \chi}_{{{c0}}}{(1P)}}}_{42}/\Gamma^{{{\mathit \chi}_{{{c0}}}{(1P)}}}$
$\Gamma($ ${{\mathit \chi}_{{{c0}}}{(1P)}}$ $\rightarrow$ ${{\mathit K}^{+}}{{\mathit K}^{-}})/\Gamma_{\text{total}}{\times }\Gamma($ ${{\mathit \psi}{(2S)}}$ $\rightarrow$ ${{\mathit \gamma}}{{\mathit \chi}_{{{c0}}}{(1P)}})/\Gamma($ ${{\mathit \psi}{(2S)}}$ $\rightarrow$ ${{\mathit J / \psi}{(1S)}}{{\mathit \pi}^{+}}{{\mathit \pi}^{-}})$
$\Gamma^{{{\mathit \chi}_{{{c0}}}{(1P)}}}_{42}/\Gamma^{{{\mathit \chi}_{{{c0}}}{(1P)}}}{\times }\Gamma_{179}/\Gamma_{12}$
$\Gamma($ ${{\mathit \psi}{(2S)}}$ $\rightarrow$ ${{\mathit \gamma}}{{\mathit \chi}_{{{c0}}}{(1P)}})/\Gamma_{\text{total}}{\times }$ $\Gamma($ ${{\mathit \chi}_{{{c0}}}{(1P)}}$ $\rightarrow$ ${{\mathit K}_S^0}$ ${{\mathit K}_S^0}$ $)/\Gamma_{\text{total}}$
$\Gamma_{179}/\Gamma{\times }\Gamma^{{{\mathit \chi}_{{{c0}}}{(1P)}}}_{43}/\Gamma^{{{\mathit \chi}_{{{c0}}}{(1P)}}}$
$\Gamma($ ${{\mathit \chi}_{{{c0}}}{(1P)}}$ $\rightarrow$ ${{\mathit K}_S^0}$ ${{\mathit K}_S^0}$ $)/\Gamma_{\text{total}}{\times }\Gamma($ ${{\mathit \psi}{(2S)}}$ $\rightarrow$ ${{\mathit \gamma}}{{\mathit \chi}_{{{c0}}}{(1P)}})/\Gamma($ ${{\mathit \psi}{(2S)}}$ $\rightarrow$ ${{\mathit J / \psi}{(1S)}}{{\mathit \pi}^{+}}{{\mathit \pi}^{-}})$
$\Gamma^{{{\mathit \chi}_{{{c0}}}{(1P)}}}_{43}/\Gamma^{{{\mathit \chi}_{{{c0}}}{(1P)}}}{\times }\Gamma_{179}/\Gamma_{12}$
$\Gamma($ ${{\mathit \chi}_{{{c0}}}{(1P)}}$ $\rightarrow$ 2( ${{\mathit \pi}^{+}}{{\mathit \pi}^{-}}))/\Gamma_{\text{total}}{\times }\Gamma($ ${{\mathit \psi}{(2S)}}$ $\rightarrow$ ${{\mathit \gamma}}{{\mathit \chi}_{{{c0}}}{(1P)}})/\Gamma($ ${{\mathit \psi}{(2S)}}$ $\rightarrow$ ${{\mathit J / \psi}{(1S)}}{{\mathit \pi}^{+}}{{\mathit \pi}^{-}})$
$\Gamma^{{{\mathit \chi}_{{{c0}}}{(1P)}}}_{1}/\Gamma^{{{\mathit \chi}_{{{c0}}}{(1P)}}}{\times }\Gamma_{179}/\Gamma_{12}$
$\Gamma($ ${{\mathit \psi}{(2S)}}$ $\rightarrow$ ${{\mathit \gamma}}{{\mathit \chi}_{{{c0}}}{(1P)}})/\Gamma_{\text{total}}{\times }$ $\Gamma($ ${{\mathit \chi}_{{{c0}}}{(1P)}}$ $\rightarrow$ ${{\mathit \pi}^{+}}{{\mathit \pi}^{-}}{{\mathit K}^{+}}{{\mathit K}^{-}})/\Gamma_{\text{total}}$
$\Gamma_{179}/\Gamma{\times }\Gamma^{{{\mathit \chi}_{{{c0}}}{(1P)}}}_{8}/\Gamma^{{{\mathit \chi}_{{{c0}}}{(1P)}}}$
$\Gamma($ ${{\mathit \chi}_{{{c0}}}{(1P)}}$ $\rightarrow$ ${{\mathit \pi}^{+}}{{\mathit \pi}^{-}}{{\mathit K}^{+}}{{\mathit K}^{-}})/\Gamma_{\text{total}}{\times }\Gamma($ ${{\mathit \psi}{(2S)}}$ $\rightarrow$ ${{\mathit \gamma}}{{\mathit \chi}_{{{c0}}}{(1P)}})/\Gamma($ ${{\mathit \psi}{(2S)}}$ $\rightarrow$ ${{\mathit J / \psi}{(1S)}}{{\mathit \pi}^{+}}{{\mathit \pi}^{-}})$
$\Gamma^{{{\mathit \chi}_{{{c0}}}{(1P)}}}_{8}/\Gamma^{{{\mathit \chi}_{{{c0}}}{(1P)}}}{\times }\Gamma_{179}/\Gamma_{12}$
$\Gamma($ ${{\mathit \psi}{(2S)}}$ $\rightarrow$ ${{\mathit \gamma}}{{\mathit \chi}_{{{c0}}}{(1P)}})/\Gamma_{\text{total}}{\times }$ $\Gamma($ ${{\mathit \chi}_{{{c0}}}{(1P)}}$ $\rightarrow$ ${{\mathit K}^{+}}{{\mathit K}^{-}}{{\mathit K}^{+}}{{\mathit K}^{-}})/\Gamma_{\text{total}}$
$\Gamma_{179}/\Gamma{\times }\Gamma^{{{\mathit \chi}_{{{c0}}}{(1P)}}}_{51}/\Gamma^{{{\mathit \chi}_{{{c0}}}{(1P)}}}$
$\Gamma($ ${{\mathit \chi}_{{{c0}}}{(1P)}}$ $\rightarrow$ ${{\mathit K}^{+}}{{\mathit K}^{-}}{{\mathit K}^{+}}{{\mathit K}^{-}})/\Gamma_{\text{total}}{\times }\Gamma($ ${{\mathit \psi}{(2S)}}$ $\rightarrow$ ${{\mathit \gamma}}{{\mathit \chi}_{{{c0}}}{(1P)}})/\Gamma($ ${{\mathit \psi}{(2S)}}$ $\rightarrow$ ${{\mathit J / \psi}{(1S)}}{{\mathit \pi}^{+}}{{\mathit \pi}^{-}})$
$\Gamma^{{{\mathit \chi}_{{{c0}}}{(1P)}}}_{51}/\Gamma^{{{\mathit \chi}_{{{c0}}}{(1P)}}}{\times }\Gamma_{179}/\Gamma_{12}$
$\Gamma($ ${{\mathit \psi}{(2S)}}$ $\rightarrow$ ${{\mathit \gamma}}{{\mathit \chi}_{{{c0}}}{(1P)}})/\Gamma_{\text{total}}{\times }$ $\Gamma($ ${{\mathit \chi}_{{{c0}}}{(1P)}}$ $\rightarrow$ ${{\mathit \phi}}{{\mathit \phi}})/\Gamma_{\text{total}}$
$\Gamma_{179}/\Gamma{\times }\Gamma^{{{\mathit \chi}_{{{c0}}}{(1P)}}}_{56}/\Gamma^{{{\mathit \chi}_{{{c0}}}{(1P)}}}$
$\Gamma($ ${{\mathit \chi}_{{{c0}}}{(1P)}}$ $\rightarrow$ ${{\mathit \phi}}{{\mathit \phi}})/\Gamma_{\text{total}}{\times }\Gamma($ ${{\mathit \psi}{(2S)}}$ $\rightarrow$ ${{\mathit \gamma}}{{\mathit \chi}_{{{c0}}}{(1P)}})/\Gamma($ ${{\mathit \psi}{(2S)}}$ $\rightarrow$ ${{\mathit J / \psi}{(1S)}}{{\mathit \pi}^{+}}{{\mathit \pi}^{-}})$
$\Gamma^{{{\mathit \chi}_{{{c0}}}{(1P)}}}_{56}/\Gamma^{{{\mathit \chi}_{{{c0}}}{(1P)}}}{\times }\Gamma_{179}/\Gamma_{12}$
$\Gamma($ ${{\mathit \psi}{(2S)}}$ $\rightarrow$ ${{\mathit \gamma}}{{\mathit \chi}_{{{c0}}}{(1P)}})/\Gamma_{\text{total}}{\times }$ $\Gamma($ ${{\mathit \chi}_{{{c0}}}{(1P)}}$ $\rightarrow$ ${{\mathit \Sigma}^{+}}{{\overline{\mathit p}}}{{\mathit K}_S^0}$ + c.c.$)/\Gamma_{\text{total}}$
$\Gamma_{179}/\Gamma{\times }\Gamma^{{{\mathit \chi}_{{{c0}}}{(1P)}}}_{83}/\Gamma^{{{\mathit \chi}_{{{c0}}}{(1P)}}}$
$\Gamma($ ${{\mathit \psi}{(2S)}}$ $\rightarrow$ ${{\mathit \gamma}}{{\mathit \chi}_{{{c0}}}{(1P)}})/\Gamma_{\text{total}}{\times }$ $\Gamma($ ${{\mathit \chi}_{{{c0}}}{(1P)}}$ $\rightarrow$ ${{\mathit \Sigma}^{0}}{{\overline{\mathit p}}}{{\mathit K}^{+}}$ + c.c.$)/\Gamma_{\text{total}}$
$\Gamma_{179}/\Gamma{\times }\Gamma^{{{\mathit \chi}_{{{c0}}}{(1P)}}}_{84}/\Gamma^{{{\mathit \chi}_{{{c0}}}{(1P)}}}$
$\Gamma($ ${{\mathit \psi}{(2S)}}$ $\rightarrow$ ${{\mathit \gamma}}{{\mathit \chi}_{{{c0}}}{(1P)}})/\Gamma_{\text{total}}$
$\Gamma_{179}/\Gamma$
$\Gamma($ ${{\mathit \psi}{(2S)}}$ $\rightarrow$ ${{\mathit \gamma}}{{\mathit \chi}_{{{c0}}}{(1P)}})/\Gamma($ ${{\mathit \psi}{(2S)}}$ $\rightarrow$ ${{\mathit \gamma}}{{\mathit \chi}_{{{c1}}}{(1P)}})$
$\Gamma_{179}/\Gamma_{180}$
$\lbrack{}\Gamma($ ${{\mathit \psi}{(2S)}}$ $\rightarrow$ ${{\mathit \gamma}}{{\mathit \chi}_{{{c0}}}{(1P)}})/\Gamma_{\text{total}}$+ $\Gamma($ ${{\mathit \psi}{(2S)}}$ $\rightarrow$ ${{\mathit \gamma}}{{\mathit \chi}_{{{c1}}}{(1P)}})/\Gamma_{\text{total}}$+ $\Gamma($ ${{\mathit \psi}{(2S)}}$ $\rightarrow$ ${{\mathit \gamma}}{{\mathit \chi}_{{{c2}}}{(1P)}})/\Gamma_{\text{total}}$
($\Gamma_{179}$+ $\Gamma_{180}$+ $\Gamma_{181})/\Gamma$
$\Gamma($ ${{\mathit \psi}{(2S)}}$ $\rightarrow$ ${{\mathit \gamma}}{{\mathit \chi}_{{{c0}}}{(1P)}})/\Gamma($ ${{\mathit \psi}{(2S)}}$ $\rightarrow$ ${{\mathit \gamma}}{{\mathit \chi}_{{{c2}}}{(1P)}})$
$\Gamma_{179}/\Gamma_{181}$
$\Gamma($ ${{\mathit \psi}{(2S)}}$ $\rightarrow$ ${{\mathit e}^{+}}{{\mathit e}^{-}}{{\mathit \chi}_{{{c0}}}{(1P)}})/\Gamma($ ${{\mathit \psi}{(2S)}}$ $\rightarrow$ ${{\mathit \gamma}}{{\mathit \chi}_{{{c0}}}{(1P)}})$
$\Gamma_{224}/\Gamma_{179}$
$\Gamma($ ${{\mathit \psi}{(2S)}}$ $\rightarrow$ ${{\mathit \gamma}}{{\mathit \chi}_{{{c0}}}{(1P)}})/\Gamma_{\text{total}}{\times }$ $\Gamma($ ${{\mathit \chi}_{{{c0}}}{(1P)}}$ $\rightarrow$ ${{\mathit p}}{{\overline{\mathit p}}})/\Gamma_{\text{total}}$
$\Gamma_{179}/\Gamma{\times }\Gamma^{{{\mathit \chi}_{{{c0}}}{(1P)}}}_{58}/\Gamma^{{{\mathit \chi}_{{{c0}}}{(1P)}}}$