Eta photoproduction off the neutron at GRAAL: Evidence for a resonant   structure at W=1.67 GeV
  New (preliminary) data on eta photoproduction off the neutron are presented. These data reveal a resonant structure at W=1.67 GeV. 
V.Kuznetsov, O.Bartalini, V.Bellini, M.Castoldi, A.D'Angelo,   J.-P.Didelez, R.Di Salvo, A.Fantini, D.Franco, G.Gervino, F.G...