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Título

Screening corrections for calculation of electron scattering differential cross sections from polyatomic molecules

AutorBlanco, F.; García, Gustavo
Palabras claveElectron scattering
Optical potential
Screening corrections
Additivity rule
Differential cross sections
[PACS] Calculations and mathematical techniques in atomic and molecular physics (excluding electron correlation calculations)
[PACS] Ab initio calculations
[PACS] General theories and models of atomic and molecular collisions and interactions (including statistical theories, transition state, stochastic and trajectory models, etc.)
[PACS] Electron scattering
Fecha de publicación29-jul-2004
EditorElsevier
CitaciónPhysics Letters A 330(3-4): 230-237 (2004)
ResumenAn 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.
Descripción8 pages, 5 figures.-- PACS nrs.: 31.15.-p; 31.15.Ar; 34.10.+x; 34.80.-i.-- Printed version published Sep 20, 2004.
Versión del editorhttp://dx.doi.org/10.1016/j.physleta.2004.07.027
URIhttp://hdl.handle.net/10261/12865
DOI10.1016/j.physleta.2004.07.027
ISSN0375-9601
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