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Type: Artigo de periódico
Title: Photoionization Cross Sections and Asymmetry Parameters for Ethylene
Author: Brescansin, L.M.
Lee, M.-T.
Machado, L.E.
Lima, M.A.P.
McKoy, V.
Abstract: We present the results of applications of the iterative Schwinger variational method to obtain photoionization cross sections and phoelectron angular distributions for ionization out of the four outermost valence orbitals 1b3u, 1b3g, 3ag and 1b2u of ethylene for photon energies ranging from near threshold to 30 eV. The observed resonance-like maxima in the cross sections for ionization of the 1b3g and 3ag orbitals are reproduced in our calculations. The disagreement between our cross sections and the experimental data for the 1b3u orbital below 17 e V is attributed to autoionization, which is not accounted for in our calculations.
Editor: Sociedade Brasileira de Física
Citation: Brazilian Journal of Physics. Sociedade Brasileira de Física, v. 27, n. 4, p. 468-474, 1997.
Rights: aberto
Identifier DOI: 10.1590/S0103-97331997000400007
Date Issue: 1-Dec-1997
Appears in Collections:Unicamp - Artigos e Outros Documentos

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