Hartmuth Arenhövel
Published 2011-03-15, updated 2011-10-10Version 2
The formal expression for the most general polarization observable in elastic electromagnetic lepton hadron scattering at low energies is derived for the nonrelativistic regime. For the explicit evaluation the influence of Coulomb distortion on various polarization observables is calculated in a distorted wave Born approximation. Besides the hyperfine interaction also the spin-orbit interactions of lepton and hadron are included. For like charges the Coulomb repulsion reduces strongly the size of polarization observables compared to the plane wave Born approximation whereas for opposite charges the Coulomb attraction leads to a substantial increase of these observables for hadron lab kinetic energies below about 20 keV.
Comments: 32 pages, 26 figures. Typos corrected, notation slightly changed, figures redrawn, one figure and references added. A condensed version is in press in Physical Review C
Coulomb effects in polarization transfer in elastic antiproton and proton electron scattering at low energies
Rho meson photoproduction at low energies
Direct Capture at Low Energies
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