Measurements of the electric and magnetic form factors of the neutron from Q2=1.75 to 4.00 (GeV/c)2

A. Lung, L. M. Stuart, P. E. Bosted, L. Andivahis, J. Alster, R. G. Arnold, C. C. Chang, F. S. Dietrich, W. R. Dodge, R. Gearhart, J. Gomez, K. A. Griffioen, R. S. Hicks, C. E. Hyde-Wright, C. Keppel, S. E. Kuhn, J. Lichtenstadt, R. A. Miskimen, G. A. Peterson, G. G. PetratosS. E. Rock, S. H. Rokni, W. K. Sakumoto, M. Spengos, K. Swartz, Z. Szalata, L. H. Tao

Research output: Contribution to journalArticlepeer-review

Abstract

Quasielastic e-d cross sections have been measured at forward and backward angles. Rosenbluth separations were done to obtain RL and RT at Q2=1.75, 2.50, 3.25, and 4.00 (GeV/c)2. The neutron form factors GEn and GMn have been extracted using a nonrelativistic model. The sensitivity to deuteron wave function, relativistic corrections, and models of the inelastic background are reported. The results for GMn are consistent with the dipole form, while GEn is consistent with zero. Comparisons are made to theoretical models based on vector meson dominance, perturbative QCD, and QCD sum rules, as well as constituent quarks.

Original languageEnglish
Pages (from-to)718-721
Number of pages4
JournalPhysical Review Letters
Volume70
Issue number6
DOIs
StatePublished - 1993

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