E12-14-009: Ratio of the electric form factor in the mirror nuclei 3He and 3H
Abstract
E12-14-009: We propose to extract the ratio of the electric form factor (GE) of 3He and 3H from the measured ratio of the elastic-scattering cross sections at Ebeam = 1.1 GeV. Measurements at low Q2 ( < 0.1 GeV2) will allow accurate extraction of GE with minimal contributions from the magnetic form factor (GM) and Coulomb corrections. From this data we will extract the difference between the charge radii for 3He and 3H. This short experiment, 1.5 days, will utilize the left Hall A high resolution spectrometer and the one-time availability of a 1 kCi tritium target at Jefferson Lab which has been approved for the E12-10-103, E12-11-112 and E12-14-011 experiments.
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