${{\mathit \chi}_{{c2}}{(1P)}}$ $\rightarrow$ ${{\mathit \gamma}}{{\mathit \gamma}}$   Decay Mode Summary INSPIRE   PDGID:
M057.7
Mode (*) Fraction ($\Gamma_i$ / $\Gamma$) Scale Factor/
Conf. Level		 P(MeV/c)  
$\Gamma_{97}$ ${{\mathit \chi}_{{c2}}{(1P)}}$ $\rightarrow$ ${{\mathit \gamma}}{{\mathit \gamma}}$ ($2.85$ $\pm0.10$) $ \times 10^{-4}$ 1778
Category: Radiative decays
The following data is related to the above value:
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$\Gamma($ ${{\mathit \chi}_{{c2}}{(1P)}}$ $\rightarrow$ ${{\mathit \gamma}}{{\mathit \gamma}}$ $)$ ${\times }$ $\Gamma($ ${{\mathit \chi}_{{c2}}{(1P)}}$ $\rightarrow$ ${{\mathit \gamma}}{{\mathit J / \psi}{(1S)}}$ $)/\Gamma_{\text{total}}$
$\Gamma_{97}\Gamma_{93}/\Gamma$
$\Gamma($ ${{\mathit \chi}_{{c2}}{(1P)}}$ $\rightarrow$ 2( ${{\mathit \pi}^{+}}{{\mathit \pi}^{-}}))$ ${\times }$ $\Gamma($ ${{\mathit \chi}_{{c2}}{(1P)}}$ $\rightarrow$ ${{\mathit \gamma}}{{\mathit \gamma}}$ $)/\Gamma_{\text{total}}$
$\Gamma_{1}\Gamma_{97}/\Gamma$
$\Gamma($ ${{\mathit \chi}_{{c2}}{(1P)}}$ $\rightarrow$ ${{\mathit \rho}}{{\mathit \rho}}$ $)$ ${\times }$ $\Gamma($ ${{\mathit \chi}_{{c2}}{(1P)}}$ $\rightarrow$ ${{\mathit \gamma}}{{\mathit \gamma}}$ $)/\Gamma_{\text{total}}$
$\Gamma_{2}\Gamma_{97}/\Gamma$
$\Gamma($ ${{\mathit \chi}_{{c2}}{(1P)}}$ $\rightarrow$ ${{\mathit K}^{+}}{{\mathit K}^{-}}{{\mathit \pi}^{+}}{{\mathit \pi}^{-}}$ $)$ ${\times }$ $\Gamma($ ${{\mathit \chi}_{{c2}}{(1P)}}$ $\rightarrow$ ${{\mathit \gamma}}{{\mathit \gamma}}$ $)/\Gamma_{\text{total}}$
$\Gamma_{14}\Gamma_{97}/\Gamma$
$\Gamma($ ${{\mathit \chi}_{{c2}}{(1P)}}$ $\rightarrow$ ${{\mathit K}^{+}}{{\mathit K}^{-}}{{\mathit \pi}^{+}}{{\mathit \pi}^{-}}{{\mathit \pi}^{0}}$ $)$ ${\times }$ $\Gamma($ ${{\mathit \chi}_{{c2}}{(1P)}}$ $\rightarrow$ ${{\mathit \gamma}}{{\mathit \gamma}}$ $)/\Gamma_{\text{total}}$
$\Gamma_{15}\Gamma_{97}/\Gamma$
$\Gamma($ ${{\mathit \chi}_{{c2}}{(1P)}}$ $\rightarrow$ ${{\mathit K}^{*}{(892)}^{0}}{{\overline{\mathit K}}^{*}{(892)}^{0}}$ $)$ ${\times }$ $\Gamma($ ${{\mathit \chi}_{{c2}}{(1P)}}$ $\rightarrow$ ${{\mathit \gamma}}{{\mathit \gamma}}$ $)/\Gamma_{\text{total}}$
$\Gamma_{18}\Gamma_{97}/\Gamma$
$\Gamma($ ${{\mathit \chi}_{{c2}}{(1P)}}$ $\rightarrow$ ${{\mathit \phi}}{{\mathit \phi}}$ $)$ ${\times }$ $\Gamma($ ${{\mathit \chi}_{{c2}}{(1P)}}$ $\rightarrow$ ${{\mathit \gamma}}{{\mathit \gamma}}$ $)/\Gamma_{\text{total}}$
$\Gamma_{20}\Gamma_{97}/\Gamma$
$\Gamma($ ${{\mathit \chi}_{{c2}}{(1P)}}$ $\rightarrow$ ${{\mathit \omega}}{{\mathit \omega}}$ $)$ ${\times }$ $\Gamma($ ${{\mathit \chi}_{{c2}}{(1P)}}$ $\rightarrow$ ${{\mathit \gamma}}{{\mathit \gamma}}$ $)/\Gamma_{\text{total}}$
$\Gamma_{22}\Gamma_{97}/\Gamma$
$\Gamma($ ${{\mathit \chi}_{{c2}}{(1P)}}$ $\rightarrow$ ${{\mathit \omega}}{{\mathit \phi}}$ $)$ ${\times }$ $\Gamma($ ${{\mathit \chi}_{{c2}}{(1P)}}$ $\rightarrow$ ${{\mathit \gamma}}{{\mathit \gamma}}$ $)/\Gamma_{\text{total}}$
$\Gamma_{24}\Gamma_{97}/\Gamma$
$\Gamma($ ${{\mathit \chi}_{{c2}}{(1P)}}$ $\rightarrow$ ${{\mathit \pi}}{{\mathit \pi}}$ $)$ ${\times }$ $\Gamma($ ${{\mathit \chi}_{{c2}}{(1P)}}$ $\rightarrow$ ${{\mathit \gamma}}{{\mathit \gamma}}$ $)/\Gamma_{\text{total}}$
$\Gamma_{25}\Gamma_{97}/\Gamma$
$\Gamma($ ${{\mathit \chi}_{{c2}}{(1P)}}$ $\rightarrow$ ${{\mathit \rho}^{0}}{{\mathit \pi}^{+}}{{\mathit \pi}^{-}}$ $)$ ${\times }$ $\Gamma($ ${{\mathit \chi}_{{c2}}{(1P)}}$ $\rightarrow$ ${{\mathit \gamma}}{{\mathit \gamma}}$ $)/\Gamma_{\text{total}}$
$\Gamma_{26}\Gamma_{97}/\Gamma$
$\Gamma($ ${{\mathit \chi}_{{c2}}{(1P)}}$ $\rightarrow$ ${{\mathit \eta}}{{\mathit \eta}}$ $)$ ${\times }$ $\Gamma($ ${{\mathit \chi}_{{c2}}{(1P)}}$ $\rightarrow$ ${{\mathit \gamma}}{{\mathit \gamma}}$ $)/\Gamma_{\text{total}}$
$\Gamma_{31}\Gamma_{97}/\Gamma$
$\Gamma($ ${{\mathit \chi}_{{c2}}{(1P)}}$ $\rightarrow$ ${{\mathit K}^{+}}{{\mathit K}^{-}}$ $)$ ${\times }$ $\Gamma($ ${{\mathit \chi}_{{c2}}{(1P)}}$ $\rightarrow$ ${{\mathit \gamma}}{{\mathit \gamma}}$ $)/\Gamma_{\text{total}}$
$\Gamma_{32}\Gamma_{97}/\Gamma$
$\Gamma($ ${{\mathit \chi}_{{c2}}{(1P)}}$ $\rightarrow$ ${{\mathit K}_S^0}$ ${{\mathit K}_S^0}$ $)$ ${\times }$ $\Gamma($ ${{\mathit \chi}_{{c2}}{(1P)}}$ $\rightarrow$ ${{\mathit \gamma}}{{\mathit \gamma}}$ $)/\Gamma_{\text{total}}$
$\Gamma_{33}\Gamma_{97}/\Gamma$
$\Gamma($ ${{\mathit \chi}_{{c2}}{(1P)}}$ $\rightarrow$ ${{\overline{\mathit K}}^{0}}{{\mathit K}^{+}}{{\mathit \pi}^{-}}$ + c.c.$)$ ${\times }$ $\Gamma($ ${{\mathit \chi}_{{c2}}{(1P)}}$ $\rightarrow$ ${{\mathit \gamma}}{{\mathit \gamma}}$ $)/\Gamma_{\text{total}}$
$\Gamma_{42}\Gamma_{97}/\Gamma$
$\Gamma($ ${{\mathit \chi}_{{c2}}{(1P)}}$ $\rightarrow$ ${{\mathit K}^{+}}{{\mathit K}^{-}}{{\mathit K}^{+}}{{\mathit K}^{-}}$ $)$ ${\times }$ $\Gamma($ ${{\mathit \chi}_{{c2}}{(1P)}}$ $\rightarrow$ ${{\mathit \gamma}}{{\mathit \gamma}}$ $)/\Gamma_{\text{total}}$
$\Gamma_{51}\Gamma_{97}/\Gamma$
$\Gamma($ ${{\mathit \chi}_{{c2}}{(1P)}}$ $\rightarrow$ ${{\mathit \eta}_{{c}}{(1S)}}{{\mathit \pi}^{+}}{{\mathit \pi}^{-}}$ $)$ ${\times }$ $\Gamma($ ${{\mathit \chi}_{{c2}}{(1P)}}$ $\rightarrow$ ${{\mathit \gamma}}{{\mathit \gamma}}$ $)/\Gamma_{\text{total}}$
$\Gamma_{92}\Gamma_{97}/\Gamma$
$\Gamma($ ${{\mathit \chi}_{{c2}}{(1P)}}$ $\rightarrow$ ${{\mathit \gamma}}{{\mathit \gamma}}$ $)/\Gamma_{\text{total}}$
$\Gamma_{97}/\Gamma$
$\Gamma($ ${{\mathit \chi}_{{c2}}{(1P)}}$ $\rightarrow$ ${{\mathit \gamma}}{{\mathit \gamma}}$ $)/\Gamma($ ${{\mathit \chi}_{{c2}}{(1P)}}$ $\rightarrow$ ${{\mathit \gamma}}{{\mathit J / \psi}{(1S)}}$ $)$
$\Gamma_{97}/\Gamma_{93}$
$\Gamma($ ${{\mathit \chi}_{{c2}}{(1P)}}$ $\rightarrow$ ${{\mathit \gamma}}{{\mathit \gamma}}$ $)/\Gamma_{\text{total}}{\times }$ $\Gamma($ ${{\mathit \chi}_{{c2}}{(1P)}}$ $\rightarrow$ ${{\mathit p}}{{\overline{\mathit p}}}$ $)/\Gamma_{\text{total}}$
$\Gamma_{97}/\Gamma{\times }\Gamma_{56}/\Gamma$
$\Gamma($ ${{\mathit \chi}_{{c2}}{(1P)}}$ $\rightarrow$ ${{\mathit \gamma}}{{\mathit \gamma}}$ $)/\Gamma_{\text{total}}{\times }$ $\Gamma($ ${{\mathit \psi}{(2S)}}$ $\rightarrow$ ${{\mathit \gamma}}{{\mathit \chi}_{{c2}}{(1P)}}$ $)/\Gamma_{\text{total}}$
$\Gamma_{97}/\Gamma{\times }\Gamma^{{{\mathit \psi}{(2S)}}}_{168}/\Gamma^{{{\mathit \psi}{(2S)}}}$
$\Gamma($ ${{\mathit \chi}_{{c2}}{(1P)}}$ $\rightarrow$ ${{\mathit \gamma}}{{\mathit \gamma}}$ $)/\Gamma($ ${{\mathit \chi}_{{c0}}{(1P)}}$ $\rightarrow$ ${{\mathit \gamma}}{{\mathit \gamma}}$ $)$
$\Gamma_{97}/\Gamma^{{{\mathit \chi}_{{c0}}{(1P)}}}_{97}$
$\Gamma($ ${{\mathit \chi}_{{c2}}{(1P)}}$ $\rightarrow$ ${{\mathit \gamma}}{{\mathit \gamma}}$ $)/\Gamma_{\text{total}}{\times }$ $\Gamma($ ${{\mathit B}^{+}}$ $\rightarrow$ ${{\mathit \chi}_{{c2}}}{{\mathit K}^{+}}$ $)/\Gamma_{\text{total}}$
$\Gamma_{97}/\Gamma{\times }\Gamma^{{{\mathit B}^{\pm}}}_{345}/\Gamma^{{{\mathit B}^{\pm}}}$