Abstract
We report on measurements of the reaction ep → epη in the region of the S 11(1535) resonance. The experiment was done at an invariant four-momentum transfer q 2 = 0.4 (GeV/ c) 2 at two different scattering angles for the outcoming electron ( θ e = 22° and 55°) in oder to separate the cross sectionsσ L and σ T. A value of 0.23 ± 0.11 was obtained for the ratio R = σ L σ T .
Published Version
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