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Type: Artigo de periódico
Title: A distorted-wave study of electronic excitation to some low-lying states of CO by electron impact
Author: Lee, MT
Machado, AM
Fujimoto, MM
Machado, LE
Brescansin, LM
Abstract: The distorted-wave approximation is applied to study electron-impact excitation leading to the a (II)-I-3, b (3) Sigma(+), A (II)-I-1 and B (1) Sigma(+) states of CO in the 20-100 eV range. Our calculated DCS and ICS are compared with available theoretical and experimental data. In general our cross sections are in quite good agreement with previous two- and five-state Schwinger multichannel results. Also, good qualitative agreement with the experimental data is obtained. However, in general our theory overestimates the cross sections. In comparison with a previous DWA study, our work reveals the strong influence of the description of the target wavefunctions on the calculated cross sections.
Country: Inglaterra
Editor: Iop Publishing Ltd
Rights: fechado
Identifier DOI: 10.1088/0953-4075/29/18/022
Date Issue: 1996
Appears in Collections:Artigos e Materiais de Revistas Científicas - Unicamp

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