Eta photoproduction off the neutron at GRAAL: Evidence for a resonant structure at W=1.67 GeV

A.D'Angelo; A.Fantini; A.Giusa; A.Lapik; A.Turinge; B.Girolami; C.Randalieri; C.Schaerf; D.Franco; D.Moricciani

arxiv: hep-ex/0409032 · v4 · pith:75PM3XSWnew · submitted 2004-09-10 · ✦ hep-ex · nucl-ex

Eta photoproduction off the neutron at GRAAL: Evidence for 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

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D.Franco G.Gervino F.Ghio B.Girolami A.Giusa M.Guidal E.Hourany R.Kunne A.Lapik P.Levi Sandri D.Moricciani L.Nicoletti C.Randalieri N.Rudnev G.Russo C.Schaerf M.-L.Sperduto M.-C.Sutera A.Turinge

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classification ✦ hep-ex nucl-ex

keywords dataneutronphotoproductionresonantstructureevidencegraalpreliminary

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New (preliminary) data on eta photoproduction off the neutron are presented. These data reveal a resonant structure at W=1.67 GeV.

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Eta photoproduction off the neutron at GRAAL: Evidence for a resonant structure at W=1.67 GeV

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