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Type: Artigo de periódico
Title: Low-energy elastic scattering of electrons by ethylene
Author: Brescansin, LM
Machado, LE
Lee, MT
Abstract: Elastic differential, integral, and momentum-transfer cross sections are reported for electron scattering by C(2)H(4) at impact energies ranging from 1 to 50 eV. The Schwinger iterative variational method in the fixed-nuclei, static-exchange plus correlation-polarization approximation is used to calculate the scattering amplitudes. Integrated cross sections are also calculated below 1 eV, showing the existence of a Ramsauer-Townsend minimum in this region. Our calculated cross sections are compared with recent experimental data and other theoretical results.
Country: EUA
Editor: Amer Physical Soc
Rights: aberto
Identifier DOI: 10.1103/PhysRevA.57.3504
Date Issue: 1998
Appears in Collections:Unicamp - Artigos e Outros Documentos

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