${{\mathit \chi}_{{c1}}{(4140)}}$ $\rightarrow$ ${{\mathit \gamma}}{{\mathit \gamma}}$   Decay Mode Summary INSPIRE   PDGID:
M193.2
Mode Fraction ($\Gamma_i$ / $\Gamma$) Scale Factor/
Conf. Level		 P(MeV/c)  
$\Gamma_{2}$ ${{\mathit \chi}_{{c1}}{(4140)}}$ $\rightarrow$ ${{\mathit \gamma}}{{\mathit \gamma}}$ not seen 2073
The following data is related to the above value:
 ▸ expand all datablocks
$\Gamma($ ${{\mathit \chi}_{{c1}}{(4140)}}$ $\rightarrow$ ${{\mathit \gamma}}{{\mathit \gamma}}$ $)/\Gamma_{\text{total}}$
$\Gamma_{2}/\Gamma$
$\Gamma($ ${{\mathit \chi}_{{c1}}{(4140)}}$ $\rightarrow$ ${{\mathit \gamma}}{{\mathit \gamma}}$ $)$ ${\times }$ $\Gamma($ ${{\mathit \chi}_{{c1}}{(4140)}}$ $\rightarrow$ ${{\mathit J / \psi}}{{\mathit \phi}}$ $)/\Gamma_{\text{total}}$
$\Gamma_{2}\Gamma_{1}/\Gamma$