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Type: Artigo de periódico
Title: Angular Correlation Parameters For The Electron Impact Excitation Of The 21p And 31p States Of Helium Using First-order Many-body Theory
Author: Meneses G.D.
Csanak G.
Abstract: A simplified form of the first-order many-body theory was used for the calculation of the coherence and correlation parameters for the excitation of the 21P and 31P states of helium. The excited state wave functions were calculated numerically in the fixed core Hartree-Fock(HF) approximation. The ground state wave function was used in the HF approximation. Scattering orbitals were calculated numerically in the static exchange approximation. Calculations were performed for E=29.6, 40, 50, 60 and 80 eV impact energies for the 21P state, and for E=50 eV and 80 eV for the 31P state. Results for the coherence and correlation parameters are compared with the experimental values obtained from electronphoton coincidence experiments, and with other theoretical results. © 1988 Springer-Verlag.
Editor: Springer-Verlag
Rights: fechado
Identifier DOI: 10.1007/BF01436944
Date Issue: 1988
Appears in Collections:Unicamp - Artigos e Outros Documentos

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