${{\mathit \chi}_{{c0}}{(3915)}}$ $\rightarrow$ ${{\mathit \gamma}}{{\mathit \gamma}}$   Decay Mode Summary INSPIRE   PDGID:
M159.2
Mode Fraction ($\Gamma_i$ / $\Gamma$) Scale Factor/
Conf. Level		 P(MeV/c)  
$\Gamma_{8}$ ${{\mathit \chi}_{{c0}}{(3915)}}$ $\rightarrow$ ${{\mathit \gamma}}{{\mathit \gamma}}$ seen 1961
The following data is related to the above value:
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$\Gamma($ ${{\mathit \chi}_{{c0}}{(3915)}}$ $\rightarrow$ ${{\mathit \gamma}}{{\mathit \psi}{(2S)}}$ $)$ ${\times }$ $\Gamma($ ${{\mathit \chi}_{{c0}}{(3915)}}$ $\rightarrow$ ${{\mathit \gamma}}{{\mathit \gamma}}$ $)/\Gamma_{\text{total}}$
$\Gamma_{9}\Gamma_{8}/\Gamma$
$\Gamma($ ${{\mathit \chi}_{{c0}}{(3915)}}$ $\rightarrow$ ${{\mathit \pi}^{+}}{{\mathit \pi}^{-}}{{\mathit \eta}_{{c}}{(1S)}}$ $)$ ${\times }$ $\Gamma($ ${{\mathit \chi}_{{c0}}{(3915)}}$ $\rightarrow$ ${{\mathit \gamma}}{{\mathit \gamma}}$ $)/\Gamma_{\text{total}}$
$\Gamma_{4}\Gamma_{8}/\Gamma$
$\Gamma($ ${{\mathit \chi}_{{c0}}{(3915)}}$ $\rightarrow$ ${{\mathit K}}{{\overline{\mathit K}}}$ $)$ ${\times }$ $\Gamma($ ${{\mathit \chi}_{{c0}}{(3915)}}$ $\rightarrow$ ${{\mathit \gamma}}{{\mathit \gamma}}$ $)/\Gamma_{\text{total}}$
$\Gamma_{7}\Gamma_{8}/\Gamma$
$\Gamma($ ${{\mathit \chi}_{{c0}}{(3915)}}$ $\rightarrow$ ${{\mathit \gamma}}{{\mathit \gamma}}$ $)/\Gamma_{\text{total}}$
$\Gamma_{8}/\Gamma$
$\Gamma($ ${{\mathit \chi}_{{c0}}{(3915)}}$ $\rightarrow$ ${{\mathit \omega}}{{\mathit J / \psi}}$ $)$ ${\times }$ $\Gamma($ ${{\mathit \chi}_{{c0}}{(3915)}}$ $\rightarrow$ ${{\mathit \gamma}}{{\mathit \gamma}}$ $)/\Gamma_{\text{total}}$
$\Gamma_{1}\Gamma_{8}/\Gamma$