Assocative Photoproduction of Roper Resonance and $\omega$-Meson

H. Babacan, T. Babacan

Associative photoproduction of $\omega$-meson and $N^{\ast }(1440)$ on nucleons, $\gamma +N\to \omega +N^{\ast }(1440)$, in the near threshold region is investigated in a framework employing effective Lagra…