Incoherent Eta Photoproduction from the Deuteron near Threshold
  Very recent data for the reaction gamma+d ->eta np, namely total cross sections, angular and momentum spectra, are analyzed within a model that includes contributions from the impulse approximation and next order corrections due to the np and eta-N interactions in the final state. Comparison between the calculations and the new data indicate sizable contributions from the np and eta-N final state interactions. Some systematic discrepancies between the calculations and the data are also found. 
A. Sibirtsev, S. Schneider, Ch. Elster, J. Haidenbauer, S. Krewald, J.   Speth