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Type: Artigo de periódico
Title: Elastic and total cross-sections for electron scattering by acetylene in the intermediate energy range
Author: Iga, I
Lee, MT
Rawat, P
Brescansin, L
Machado, L
Abstract: We present a joint theoretical-experimental study on electron scattering by C2H2 in the intermediate energy range. We report calculated elastic differential, integral, and momentum-transfer as well as total (elastic + inelastic) and absorption cross-sections at impact energies ranging from 10 to 500 eV. Also, experimental absolute elastic cross-sections are reported in the (50-500)-eV energy range. A complex optical potential is used to represent the electron-molecule interaction dynamics. The iterative Schwinger variational method, combined with the distorted-wave approximation, is used to solve the scattering equations. Experimentally, the angular distributions of the scattered electrons are converted to absolute cross-sections using the relative flow technique. The comparison of our calculated with our measured results, as well as with other experimental and theoretical data available in the literature, is encouraging.
Country: EUA
Editor: Springer
Citation: European Physical Journal D. Springer, v. 31, n. 1, n. 45, n. 51, 2004.
Rights: fechado
Identifier DOI: 10.1140/epjd/e2004-00134-y
Date Issue: 2004
Appears in Collections:Unicamp - Artigos e Outros Documentos

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