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Type: Artigo de periódico
Title: Electron-impact excitation of H-2: minimal orbital basis for single configuration interaction
Author: da Costa, RF
da Paixao, FJ
Lima, MAP
Abstract: We report theoretical differential excitation cross sections for scattering of electrons by H-2 molecules using the Schwinger multichannel approach (SMC). This study differs from previous applications of the SMC method in the description of the excited states (which are now obtained through the single configuration interaction technique) and in the level of the multichannel coupling. The calculation is performed with singlet and triplet states present in the manifold. The results given by this strategy show a significant improvement to experimental data in comparison with earlier two-state close coupling calculations.
Country: Inglaterra
Editor: Iop Publishing Ltd
Citation: Journal Of Physics B-atomic Molecular And Optical Physics. Iop Publishing Ltd, v. 37, n. 6, n. L129, n. L135, 2004.
Rights: fechado
Identifier DOI: 10.1088/0953-4075/37/6/L03
Date Issue: 2004
Appears in Collections:Unicamp - Artigos e Outros Documentos

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