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Type: Artigo de periódico
Title: Model absorption potential for electron-molecule scattering in the intermediate-energy range
Author: Lee, MT
Iga, I
Machado, LE
Brescansin, LM
Abstract: Calculated elastic differential, integral, and momentum transfer cross sections as well as total (elastic + inelastic) cross sections for electron-CH4 collisions are reported in the (20-500)-eV energy range. Four model potentials of both a nonempirical and semiempirical nature are used to represent absorption effects. The Schwinger variational iterative method combined with the distorted-wave approximation is used to solve the scattering equations. Through the comparison of our calculated results with available experimental data, two of these model absorption potentials are recommended as more convenient for treating electron-molecule collision problems.
Country: EUA
Editor: American Physical Soc
Rights: aberto
Date Issue: 2000
Appears in Collections:Unicamp - Artigos e Outros Documentos

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