Phys. Rev. Lett. 20, 10701073 (1968); DOI: 10.1103/PhysRevLett.20.1070

Differential Cross Sections for Neutral-Pion Electroproduction Near the First Pion-Nucleon Resonance

C. Mistretta, D. Imrie, J. A. Appel, R. Budnitz, L. Carroll, J. Chen, J. Dunning, Jr., M. Goitein, K. Hanson, A. Litke, and R. Wilson

Abstract

Electron-proton coincidences from the reaction e- + p --> e- + p + pi0 have been measured for pion-nucleon center-of-mass energies in the region of the N*(1236) resonance at four-momentum transfers near 1, 3, 6, and 10 F^-2 [0.05 to 0.4 (BeV/c)^2]. Data have been obtained for pion polar angles between 100 and 180 in the center of mass over a wide range of azimuthal angles. The results are compared with the dispersion theories of Adler and Zagury.

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