Please use this identifier to cite or link to this item: http://repositorio.unicamp.br/jspui/handle/REPOSIP/57397
Type: Artigo de periódico
Title: Cross sections for electron scattering by propane in the low- and intermediate-energy ranges
Author: de Souza, GLC
Lee, MT
Sanches, IP
Rawat, P
Iga, I
dos Santos, AS
Machado, LE
Sugohara, RT
Brescansin, LM
Homem, MGP
Lucchese, RR
Abstract: We present a joint theoretical-experimental study on electron scattering by propane (C(3)H(8)) in the low- and intermediate-energy ranges. Calculated elastic differential, integral, and momentum transfer as well as total (elastic + inelastic) and total absorption cross sections are reported for impact energies ranging from 2 to 500 eV. Also, experimental absolute elastic cross sections are reported in the 40- to 500-eV energy range. A complex optical potential is used to represent the electron-molecule interaction dynamics. A theoretical method based on the single-center-expansion close-coupling framework and corrected by the Pade approximant is used to solve the scattering equations. The experimental 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: Amer Physical Soc
Rights: aberto
Identifier DOI: 10.1103/PhysRevA.82.012709
Date Issue: 2010
Appears in Collections:Unicamp - Artigos e Outros Documentos

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