Abstract
Quasielastic electron scattering from $^{3}\mathrm{He}$ and $^{3}\mathrm{H}$ is investigated with a model in which the two-nucleon interaction is described by a separable potential. Cross sections are given in the impulse approximation for the ejected proton and scattered electron detected in coincidence, and for detection of only the scattered electron. Both two- and three-body breakup of $^{3}\mathrm{He}$ and $^{3}\mathrm{H}$ are considered, with final-state interactions between the spectator nucleons included in three-body breakup. Good agreement is obtained with all the electrodisintegration data, except the $^{3}\mathrm{He}$ coincidence data, for wave functions derived from separable potentials which reproduce the $s$-wave two-nucleon phase shifts at low and medium energies. Rescattering corrections between the spectator particles are found to be important in calculating three-body disintegration. The need for more refined and reliable coincidence data is reaffirmed.
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