Abstract
Mesor-retardation effects in photodisintegration of the deuteron below pion threshold are studied by constructing retarded one-boson-exchange potentials using time-dependent non-covariant perturbation theory. The corresponding retarded meson-exchange currents including retarded vertex currents are derived analogously by gauge-invariant minimal coupling. It is found that retardation effects in the wave functions and in the electromagnetic currents as well have a significant influence on total and differential cross sections.
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Schmitt, K.M., Arenhövel, H. Meson-retardation effects in deuteron photodisintegration below π-threshold. Few-Body Systems 6, 117–150 (1989). https://doi.org/10.1007/BF01089915
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DOI: https://doi.org/10.1007/BF01089915