${{\mathit \chi}_{{{c2}}}{(1P)}}$ $\rightarrow$ ${{\mathit \gamma}}{{\mathit \gamma}}$  Decay Mode Summary INSPIRE   JSON  (beta) PDGID:
M057.7
Mode (*) Fraction ($\Gamma_i$ / $\Gamma$) Scale Factor/
Conf. Level		 P(MeV/c)  
$\Gamma_{104}$ ${{\mathit \chi}_{{{c2}}}{(1P)}}$ $\rightarrow$ ${{\mathit \gamma}}{{\mathit \gamma}}$ ($2.91$ $\pm0.12$) $ \times 10^{-4}$ S=1.3  1778
Category: Radiative decays
The following data is related to the above value:
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$\Gamma({{\mathit \chi}_{{{c2}}}{(1P)}}$ $\rightarrow$ ${{\mathit \gamma}}{{\mathit \gamma}})$ ${\times }$ $\Gamma({{\mathit \chi}_{{{c2}}}{(1P)}}$ $\rightarrow$ ${{\mathit \gamma}}{{\mathit J / \psi}{(1S)}})/\Gamma_{\text{total}}$
$\Gamma_{104}\Gamma_{100}/\Gamma$
$\Gamma({{\mathit \chi}_{{{c2}}}{(1P)}}$ $\rightarrow$ 2( ${{\mathit \pi}^{+}}{{\mathit \pi}^{-}}))$ ${\times }$ $\Gamma({{\mathit \chi}_{{{c2}}}{(1P)}}$ $\rightarrow$ ${{\mathit \gamma}}{{\mathit \gamma}})/\Gamma_{\text{total}}$
$\Gamma_{1}\Gamma_{104}/\Gamma$
$\Gamma({{\mathit \chi}_{{{c2}}}{(1P)}}$ $\rightarrow$ ${{\mathit \rho}}{{\mathit \rho}})$ ${\times }$ $\Gamma({{\mathit \chi}_{{{c2}}}{(1P)}}$ $\rightarrow$ ${{\mathit \gamma}}{{\mathit \gamma}})/\Gamma_{\text{total}}$
$\Gamma_{2}\Gamma_{104}/\Gamma$
$\Gamma({{\mathit \chi}_{{{c2}}}{(1P)}}$ $\rightarrow$ ${{\mathit K}^{+}}{{\mathit K}^{-}}{{\mathit \pi}^{+}}{{\mathit \pi}^{-}})$ ${\times }$ $\Gamma({{\mathit \chi}_{{{c2}}}{(1P)}}$ $\rightarrow$ ${{\mathit \gamma}}{{\mathit \gamma}})/\Gamma_{\text{total}}$
$\Gamma_{14}\Gamma_{104}/\Gamma$
$\Gamma({{\mathit \chi}_{{{c2}}}{(1P)}}$ $\rightarrow$ ${{\mathit K}^{+}}{{\mathit K}^{-}}{{\mathit \pi}^{+}}{{\mathit \pi}^{-}}{{\mathit \pi}^{0}})$ ${\times }$ $\Gamma({{\mathit \chi}_{{{c2}}}{(1P)}}$ $\rightarrow$ ${{\mathit \gamma}}{{\mathit \gamma}})/\Gamma_{\text{total}}$
$\Gamma_{15}\Gamma_{104}/\Gamma$
$\Gamma({{\mathit \chi}_{{{c2}}}{(1P)}}$ $\rightarrow$ ${{\mathit K}^{*}{(892)}^{0}}{{\overline{\mathit K}}^{*}{(892)}^{0}})$ ${\times }$ $\Gamma({{\mathit \chi}_{{{c2}}}{(1P)}}$ $\rightarrow$ ${{\mathit \gamma}}{{\mathit \gamma}})/\Gamma_{\text{total}}$
$\Gamma_{18}\Gamma_{104}/\Gamma$
$\Gamma({{\mathit \chi}_{{{c2}}}{(1P)}}$ $\rightarrow$ ${{\mathit \phi}}{{\mathit \phi}})$ ${\times }$ $\Gamma({{\mathit \chi}_{{{c2}}}{(1P)}}$ $\rightarrow$ ${{\mathit \gamma}}{{\mathit \gamma}})/\Gamma_{\text{total}}$
$\Gamma_{20}\Gamma_{104}/\Gamma$
$\Gamma({{\mathit \chi}_{{{c2}}}{(1P)}}$ $\rightarrow$ ${{\mathit \omega}}{{\mathit \omega}})$ ${\times }$ $\Gamma({{\mathit \chi}_{{{c2}}}{(1P)}}$ $\rightarrow$ ${{\mathit \gamma}}{{\mathit \gamma}})/\Gamma_{\text{total}}$
$\Gamma_{22}\Gamma_{104}/\Gamma$
$\Gamma({{\mathit \chi}_{{{c2}}}{(1P)}}$ $\rightarrow$ ${{\mathit \omega}}{{\mathit \phi}})$ ${\times }$ $\Gamma({{\mathit \chi}_{{{c2}}}{(1P)}}$ $\rightarrow$ ${{\mathit \gamma}}{{\mathit \gamma}})/\Gamma_{\text{total}}$
$\Gamma_{24}\Gamma_{104}/\Gamma$
$\Gamma({{\mathit \chi}_{{{c2}}}{(1P)}}$ $\rightarrow$ ${{\mathit \pi}}{{\mathit \pi}})$ ${\times }$ $\Gamma({{\mathit \chi}_{{{c2}}}{(1P)}}$ $\rightarrow$ ${{\mathit \gamma}}{{\mathit \gamma}})/\Gamma_{\text{total}}$
$\Gamma_{25}\Gamma_{104}/\Gamma$
$\Gamma({{\mathit \chi}_{{{c2}}}{(1P)}}$ $\rightarrow$ ${{\mathit \rho}^{0}}{{\mathit \pi}^{+}}{{\mathit \pi}^{-}})$ ${\times }$ $\Gamma({{\mathit \chi}_{{{c2}}}{(1P)}}$ $\rightarrow$ ${{\mathit \gamma}}{{\mathit \gamma}})/\Gamma_{\text{total}}$
$\Gamma_{26}\Gamma_{104}/\Gamma$
$\Gamma({{\mathit \chi}_{{{c2}}}{(1P)}}$ $\rightarrow$ ${{\mathit \eta}}{{\mathit \eta}})$ ${\times }$ $\Gamma({{\mathit \chi}_{{{c2}}}{(1P)}}$ $\rightarrow$ ${{\mathit \gamma}}{{\mathit \gamma}})/\Gamma_{\text{total}}$
$\Gamma_{31}\Gamma_{104}/\Gamma$
$\Gamma({{\mathit \chi}_{{{c2}}}{(1P)}}$ $\rightarrow$ ${{\mathit K}^{+}}{{\mathit K}^{-}})$ ${\times }$ $\Gamma({{\mathit \chi}_{{{c2}}}{(1P)}}$ $\rightarrow$ ${{\mathit \gamma}}{{\mathit \gamma}})/\Gamma_{\text{total}}$
$\Gamma_{32}\Gamma_{104}/\Gamma$
$\Gamma({{\mathit \chi}_{{{c2}}}{(1P)}}$ $\rightarrow$ ${{\mathit K}_S^0}$ ${{\mathit K}_S^0}$ $)$ ${\times }$ $\Gamma({{\mathit \chi}_{{{c2}}}{(1P)}}$ $\rightarrow$ ${{\mathit \gamma}}{{\mathit \gamma}})/\Gamma_{\text{total}}$
$\Gamma_{33}\Gamma_{104}/\Gamma$
$\Gamma({{\mathit \chi}_{{{c2}}}{(1P)}}$ $\rightarrow$ ${{\overline{\mathit K}}^{0}}{{\mathit K}^{+}}{{\mathit \pi}^{-}}$ + c.c.$)$ ${\times }$ $\Gamma({{\mathit \chi}_{{{c2}}}{(1P)}}$ $\rightarrow$ ${{\mathit \gamma}}{{\mathit \gamma}})/\Gamma_{\text{total}}$
$\Gamma_{42}\Gamma_{104}/\Gamma$
$\Gamma({{\mathit \chi}_{{{c2}}}{(1P)}}$ $\rightarrow$ ${{\mathit K}^{+}}{{\mathit K}^{-}}{{\mathit K}^{+}}{{\mathit K}^{-}})$ ${\times }$ $\Gamma({{\mathit \chi}_{{{c2}}}{(1P)}}$ $\rightarrow$ ${{\mathit \gamma}}{{\mathit \gamma}})/\Gamma_{\text{total}}$
$\Gamma_{51}\Gamma_{104}/\Gamma$
$\Gamma({{\mathit \chi}_{{{c2}}}{(1P)}}$ $\rightarrow$ ${{\mathit \eta}_{{{c}}}{(1S)}}{{\mathit \pi}^{+}}{{\mathit \pi}^{-}})$ ${\times }$ $\Gamma({{\mathit \chi}_{{{c2}}}{(1P)}}$ $\rightarrow$ ${{\mathit \gamma}}{{\mathit \gamma}})/\Gamma_{\text{total}}$
$\Gamma_{99}\Gamma_{104}/\Gamma$
$\Gamma({{\mathit \chi}_{{{c2}}}{(1P)}}$ $\rightarrow$ ${{\mathit \gamma}}{{\mathit \gamma}})/\Gamma({{\mathit \chi}_{{{c2}}}{(1P)}}$ $\rightarrow$ ${{\mathit \gamma}}{{\mathit J / \psi}{(1S)}})$
$\Gamma_{104}/\Gamma_{100}$
$\Gamma({{\mathit \chi}_{{{c2}}}{(1P)}}$ $\rightarrow$ ${{\mathit \gamma}}{{\mathit \gamma}})/\Gamma_{\text{total}}{\times }$ $\Gamma({{\mathit \chi}_{{{c2}}}{(1P)}}$ $\rightarrow$ ${{\mathit p}}{{\overline{\mathit p}}})/\Gamma_{\text{total}}$
$\Gamma_{104}/\Gamma{\times }\Gamma_{57}/\Gamma$
$\Gamma({{\mathit \chi}_{{{c2}}}{(1P)}}$ $\rightarrow$ ${{\mathit \gamma}}{{\mathit \gamma}})/\Gamma_{\text{total}}{\times }$ $\Gamma({{\mathit \psi}{(2S)}}$ $\rightarrow$ ${{\mathit \gamma}}{{\mathit \chi}_{{{c2}}}{(1P)}})/\Gamma_{\text{total}}$
$\Gamma_{104}/\Gamma{\times }\Gamma^{{{\mathit \psi}{(2S)}}}_{183}/\Gamma^{{{\mathit \psi}{(2S)}}}$
$\Gamma({{\mathit \chi}_{{{c2}}}{(1P)}}$ $\rightarrow$ ${{\mathit \gamma}}{{\mathit \gamma}})/\Gamma({{\mathit \chi}_{{{c0}}}{(1P)}}$ $\rightarrow$ ${{\mathit \gamma}}{{\mathit \gamma}})$
$\Gamma_{104}/\Gamma^{{{\mathit \chi}_{{{c0}}}{(1P)}}}_{104}$
$\Gamma({{\mathit \chi}_{{{c2}}}{(1P)}}$ $\rightarrow$ ${{\mathit \gamma}}{{\mathit \gamma}})/\Gamma_{\text{total}}{\times }$ $\Gamma({{\mathit B}^{+}}$ $\rightarrow$ ${{\mathit \chi}_{{{c2}}}}{{\mathit K}^{+}})/\Gamma_{\text{total}}$
$\Gamma_{104}/\Gamma{\times }\Gamma^{{{\mathit B}^{\pm}}}_{377}/\Gamma^{{{\mathit B}^{\pm}}}$