Screening corrections for calculation of electron scattering differential cross sections from polyatomic molecules
An ab initio approximate procedure is obtained for the screening correction of molecular
differential cross sections calculated in the independent atom approximation. Proposed
corrections arise from a semiclassical analysis of atomic geometrical overlapping as seen by
the incident electrons. The resulting treatment is very simple and its application to CO2, CF4
and C3F8 sample molecules reveals significant improvements in the 10–200 eV incident
energy region.
differential cross sections calculated in the independent atom approximation. Proposed
corrections arise from a semiclassical analysis of atomic geometrical overlapping as seen by
the incident electrons. The resulting treatment is very simple and its application to CO2, CF4
and C3F8 sample molecules reveals significant improvements in the 10–200 eV incident
energy region.
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