Comment on "Narrow Structure in the Excitation Function of $\eta$\   Photoproduction off the Neutron"
  It is shown that the narrow structure observed in the excitation function of $\eta$ photoproduction off the Neutron originates from the interference of the two $S_{11}$ resonances. 
A.V. Anisovich, E. Klempt, V.A. Nikonov, A.V. Sarantsev, U. Thoma
nucl-ex