Inclusive scattering from polarized [sup 3]He and neutron form factors

Abstract

Because of the lack of a free neutron target, deuterium targets had been used extensively in studying the neutron structure in the past from unpolarized electron-deuteron scattering experiments. Only recently polarized electron-deuteron scattering measurements have been performed which yield more precise information on the charge form factor of the neutron. The unique spin structure of the 3He ground state and the recent developments in polarized target technologies make polarized 3He targets very effective neutron targets. In this talk, I review the current status of the polarized 3He targets and focus on the quasielastic asymmetry measurement from inclusive 3H⃗e(e⃗,e′) process and the neutron form factors. I discuss the results of the MIT-Bates experiment 88-25 and the preliminary results of the recently completed JLab experiment E95-001 in which precision measurements of the neutron magnetic form factor at low Q2 are aimed.