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Photoionization Cross Sections and Asymmetry Parameters for Ethylene

Brescansin, L. M. and Lee, M.-T. and Machado, L. E. and Lima, M. A. P. and McKoy, V. (1997) Photoionization Cross Sections and Asymmetry Parameters for Ethylene. Brazilian Journal of Physics, 27 (4). ISSN 0103-9733. https://resolver.caltech.edu/CaltechAUTHORS:20151027-154131628

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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 1b_(3u), 1b_(3g), 3a_g and 1b_(2u) 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 1b_(3g) and 3a_g orbitals are reproduced in our calculations. The disagreement between our cross sections and the experimental data for the 1b_(3u) orbital below 17 e V is attributed to autoionization, which is not accounted for in our calculations.


Item Type:Article
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http://dx.doi.org/10.1590/S0103-97331997000400007 DOIArticle
http://www.scielo.br/scielo.php?script=sci_arttext&pid=s0103-97331997000400007PublisherArticle
Additional Information:All the contents of this site www.scielo.br, except where otherwise noted, is licensed under a Creative Commons Attribution License. Received August 12, 1997. This research was partially supported by National Science Foundation, the Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq), FINEP-PADCT, CAPES-PADCT and FAPESP.
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Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)UNSPECIFIED
Financiadora de Estudos e Projetos (FINEP)UNSPECIFIED
Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)UNSPECIFIED
Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)UNSPECIFIED
Issue or Number:4
Record Number:CaltechAUTHORS:20151027-154131628
Persistent URL:https://resolver.caltech.edu/CaltechAUTHORS:20151027-154131628
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:61615
Collection:CaltechAUTHORS
Deposited By: George Porter
Deposited On:28 Oct 2015 17:58
Last Modified:03 Oct 2019 09:09

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