Energy dependent analysis of eta-meson photoproduction on protons and   neutrons without background in the energy region up to 3.4 GeV
  Observed for the processes gamma+p arrow eta+p, gamma+n arrow eta+n are calculated throughout the resonance energy region using the single isobar model without a background. The connection between invariant photoexcitation amplitudes of the resonances on neutrons and protons are calculated. The results are discussed in terms of a comparison with experimental data and calculations performed by other authors. 
Vladimir A. Tryasuchev
nucl-th physics.data-an