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Type: Artigo
Title: Spectral analysis and new visible and ultraviolet lines of Ar V
Author: Pagan, C. J. B.
Ramen, M.
Gallardo, M.
Reyna Almandos, J.
Abstract: A capillary discharge tube was used to record the Ar spectrum in the region of 330-4400 angstrom. We analyzed a set of 109 lines of Ar V, with 10 of them being classified for the first time. Part of these newly identified lines (six in total) corresponds to electric dipole transitions in the visible and ultraviolet regions of the spectrum. We calculated weighted transition rates (gA) for all experimentally observed lines and the corresponding lifetimes using a relativistic Hartree-Fock method with configuration interaction. The equations were modified to consider core polarization (CP) effects. A study on the Si isoelectronic sequence found that considering CP effects is essential for the correct description of the Ar V structure
Subject: Análise espectral
Espectro ultravioleta
Country: Estados Unidos
Editor: Institute of Physics Publishing
Rights: Aberto
Identifier DOI: 10.3847/1538-4365/ab13a8
Date Issue: 2019
Appears in Collections:FEEC - Artigos e Outros Documentos

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