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Type: Artigo de periódico
Title: Weighted oscillator strengths and lifetimes for the Si III spectrum
Author: Callegari, F
Trigueiros, AG
Abstract: The weighted oscillator strengths (gf) and the lifetimes for Si III presented in this work were carried out in a multiconfiguration Hartree-Fock relativistic (HFR) approach. In this calculation, the electrostatic parameters were optimized by a least-squares procedure in order to improve the adjustment to experimental energy levels. This method produces gf-values that are in better agreement with intensity observations and lifetime values that are closer to the experimental ones. In this work we presented all the experimentally known electric dipole Si III spectral lines.
Subject: atomic data
Country: EUA
Editor: Univ Chicago Press
Citation: Astrophysical Journal Supplement Series. Univ Chicago Press, v. 119, n. 2, n. 181, n. 188, 1998.
Rights: aberto
Identifier DOI: 10.1086/313158
Date Issue: 1998
Appears in Collections:Unicamp - Artigos e Outros Documentos

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