Photoproduction of the Eta Meson from the Deuteron Near Threshold
  Very recent data for the reaction gamma{d} --> eta{np} 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 data indicate sizable contributions from the np and eta{N} final state interactions close to threshold. 
Ch. Elster, A. Sibirtsev, S. Schneider, J. Haidenbauer, S. Krewald, J.   Speth