Phys. Rev. Lett. 20, 15231526 (1968); DOI: 10.1103/PhysRevLett.20.1523

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

C. Mistretta, D. Imrie, J. A. Appel, R. Budnitz, L. Carroll, M. Goitein, K. Hanson, and Richard Wilson

Abstract

Differential cross-section measurements for the reaction e- + p --> e- + n + pi+ in the region of the N*(1236) resonance are compared with the dispersion theories of Adler and Zagury at four-momentum transfers between 1.2 and 15.3 F^-2 using the pion form factor as a free parameter. The results suggest a form factor similar to that of the proton.

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