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Type: Artigo de periódico
Title: Atomic transitions for the Ar VII spectrum in the vacuum ultraviolet
Author: Trigueiros, AG
Mania, AJ
Gallardo, M
Almandos, JGR
Abstract: Two different spectroscopy light sources are used to observe the spectrum of six-times-ionized argon, Ar VII, in the vacuum ultraviolet range, 300-1100 Angstrom. Fifty-eight transitions are identified as combinations between levels of the 2p(6) (3s(2) + 3p(2) + 3s3d) and 2p(6)(3s3p + 3p3d + 3s4p) configurations. For 44 of these transitions the classification is new. Twenty-nine levels are determined that belong to these configurations, where 14 of these are new. The energy parameters are obtained with Hartree-Fock relativistic calculations. The energy levels of the configurations are interpreted by fitting the theoretical energy expressions to the experimental levels with the least-squares approach. Isoelectronic comparisons along the Mg I sequence are used to support the experimental results. (C) 1997 Optical Society of America.
Editor: Optical Soc Amer
Rights: aberto
Identifier DOI: 10.1364/JOSAB.14.002463
Date Issue: 1997
Appears in Collections:Artigos e Materiais de Revistas Científicas - Unicamp

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