Please use this identifier to cite or link to this item: http://repositorio.unicamp.br/jspui/handle/REPOSIP/326071
Type: Artigo
Title: Theoretical And Experimental Differential Cross Sections For Electron Impact Excitation Of The Electronic Bands Of Furfural
Author: Jones
D. B.; Neves
R. F. C.; Lopes
M. C. A.; da Costa
R. F.; Varella
M. T. do N.; Bettega
M. H. F.; Lima
M. A. P.; Garcia
G.; Limao-Vieira
P.; Brunger
M. J.
Abstract: We report results from a joint experimental and theoretical investigation into electron scattering from the important industrial species furfural (C5H4O2). Specifically, differential cross sections (DCSs) have been measured and calculated for the electron-impact excitation of the electronic states of C5H4O2. The measurements were carried out at energies in the range 20-40 eV, and for scattered-electron angles between 10 degrees and 90 degrees. The energy resolution of those experiments was typically similar to 80 meV. Corresponding Schwinger multichannel method with pseudo-potential calculations, for energies between 6-50 eV and with and without Born-closure, were also performed for a sub-set of the excited electronic-states that were accessed in the measurements. Those calculations were undertaken at the static exchange plus polarisation-level using a minimum orbital basis for single configuration interaction (MOB-SCI) approach. Agreement between the measured and calculated DCSs was qualitatively quite good, although to obtain quantitative accord, the theory would need to incorporate even more channels into the MOB-SCI. The role of multichannel coupling on the computed electronic-state DCSs is also explored in some detail. (C) 2016 AIP Publishing LLC.
Editor: Amer Inst Physics
Melville
Rights: fechado
Identifier DOI: 10.1063/1.4944615
Address: http://aip-scitation-org.ez88.periodicos.capes.gov.br/doi/abs/10.1063/1.4944615
Date Issue: 2016
Appears in Collections:Unicamp - Artigos e Outros Documentos

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