Phys. Rev. 173, 13571390 (1968); DOI: 10.1103/PhysRev.173.1357

Neutron Form Factors from Quasi-Elastic Electron-Deuteron Scattering

R. J. Budnitz, J. Appel, L. Carroll, J. Chen, J. R. Dunning, Jr., M. Goitein, K. M. Hanson, D. Imrie, C. Mistretta, J. K. Walker, and Richard Wilson
Harvard University


The differential cross section for quasi-elastic electron-deuteron scattering has been measured at the Cambridge Electron Accelerator in the four-momentum-transfer region from 7 to 115 F^-2 [0.27 to 4.47 (BeV / c)^2]. The method used involved a coincidence between scattered electrons and recoiling protons. Electrons without a high-energy proton in coincidence were assumed to be due to a neutron interaction. The impulse approximation as developed by Durand and McGee was used to extract from the data the ratio of neutron to proton cross sections. Neutron/proton cross-section ratios from deuterium were measured at q^2 = 7,10,15,20,30,45, and 70 F^-2 (at 20); at q^2 = 15 F^-2 (at 90); and at q^2 = 115 F^-2 (at 29.64). It is shown that in the low-q^2 region there are problems of theoretical interpretation. Finally, all available experimental data on the electron-neutron interaction are used to calculate values for the neutron form factors.

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