Please use this identifier to cite or link to this item: http://repositorio.unicamp.br/jspui/handle/REPOSIP/98019
Type: Artigo de periódico
Title: Studies Of The Photoionization Cross Sections Of Ch4
Author: Braunstein M.
McKoy V.
Machado L.E.
Brescansin L.M.
Lima M.A.P.
Abstract: We present cross sections and asymmetry parameters for photoionization of the 1t2 orbital of CH4 using static-exchange continuum orbitale of CH4 + to represent the photoelectron wave function. The calculations are done in the fixed-nuclei approximation at a single internuclear geometry. To approximate the near-threshold behavior of these cross sections, we assumed that the photoelectron spectrum is a composite of three electronic bands associated with the Jahn-Teller components of the distorted ion. The resulting cross sections reproduce the sharp rise seen at threshold in the experimental data and are in good agreement with experiment at higher energy. The agreement between the calculated and measured photoelectron asymmetry parameters is, however, less satisfactory. © 1988 American Institute of Physics.
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Address: http://www.scopus.com/inward/record.url?eid=2-s2.0-0010931463&partnerID=40&md5=0fce8b41241cdd97e4a527a74ae1f28f
Date Issue: 1988
Appears in Collections:Unicamp - Artigos e Outros Documentos

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