6533b85ffe1ef96bd12c24df

RESEARCH PRODUCT

Meson-retardation effects in deuteron photodisintegration below ?-threshold

K. M. SchmittHartmuth Arenhövel

subject

Minimal couplingPhysicsMesonNuclear TheoryElementary particlePhysics::Classical PhysicsAtomic and Molecular Physics and OpticsVertex (geometry)Nuclear physicsPionDeuteriumPhotodisintegrationQuantum electrodynamicsNuclear ExperimentWave function

description

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.

https://doi.org/10.1007/bf01089915