$a_0(980)$ photoproduction in the coupled channel model

Ł. Bibrzycki, R. Kamiński

We calculated the coupled channel photoproduction amplitudes of the scalar isovector resononace $a_0(980)$, which include the $\pi \eta$, $K^{+}{K}^{-}$ and $K^0\overline{K^0}$ intermediate st…