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Roche, J; Friedrich, JM; Lhuillier, D; Bartsch, P; Baumann, D; Berthot, J; Bertin, PY; Breton, V, V; Boeglin, WU; Bohm, R; D'Hose, N; Derber, S; Degrande, N; Ding, M; Distler, MO; Ducret, JE; Ewald, I, I; Fonvieille, H; Friedrich, J; Guichon, PA; Holvoet, H; Hyde-Wright, CE; Jennewein, P; Kahrau, M; Kerhoas, S; Krygier, KW
Physical review letters, 07/2000, Volume: 85, Issue: 4Journal Article
Absolute differential cross sections for the reaction ep-->epgamma have been measured at a four-momentum transfer with virtuality Q2 = 0.33 GeV2 and polarization epsilon = 0.62 in the range 33.6 to 111.5 MeV/c for the momentum of the outgoing photon in the photon-proton center of mass frame. The experiment has been performed with the high-resolution spectrometers at the Mainz Microtron MAMI. From the photon angular distributions, two structure functions which are a linear combination of the generalized polarizabilities have been determined for the first time.
