Abstract
Deuteron threshold electrodisintegration at backward angles is studied with a relativistic Hamiltonian, including a relativistic one-pion-exchange potential with off-shell terms. Boost effects in bound and scattering states are considered. Full Lorentz structure of the electromagnetic current is retained, which includes one- and two-body terms. Pseudovector coupling of pions to nucleons is consistently used. Cross-section results show significant relativistic corrections, even for low momentum transfer. Calculations suggest the need for including additional two-body currents.
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