Abstract
In the processes of electron elastic scartering from spinless atoms, the incident electrons are treated as moving relativistically in an effective central potential V(r). The potential is calculated by relativistic self-consistent-field method with Slater local exchange approximations (i.e. Dirac-Slater SCF). Elastic scattering amplitudes are calculated by relativistic partial-wave expansion method. Then we calculated the differential cross section for electron elastic scattering from Xe atom and the spin polarization parameters. Detail comparisons of the theoretical and complete experimental results show the validity of the theoretical method adopted.
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