Accurate multiconfiguration calculations of energy levels, lifetimes and transition rates for the silicon isoelectronic sequence: Ti IX - Ge XIX, Sr XXV, Zr XXVII, Mo XXIX

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Accurate multiconfiguration calculations of energy levels, lifetimes and transition rates for the silicon isoelectronic sequence: Ti IX - Ge XIX, Sr XXV, Zr XXVII, Mo XXIX

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Publication Article, peer reviewed scientific
Title Accurate multiconfiguration calculations of energy levels, lifetimes and transition rates for the silicon isoelectronic sequence: Ti IX - Ge XIX, Sr XXV, Zr XXVII, Mo XXIX
Author(s) Jönsson, Per ; Radziute, Laima ; Gaigalas, Gediminas ; Godefroid, Michel ; Marques, Jose ; Brage, Tomas ; Froese Fischer, Charlotte ; Grant, Ian
Date 2016
English abstract
Multiconfiguration Dirac-Hartree-Fock (MCDHF) calculations and relativistic configuration interaction (RCI) calculations are performed for states of the 3s23p2, 3s3p3 and 3s23p3d configurations in the Si-like ions Ti IX – Ge XIX, Sr XXV, Zr XXVII and Mo XXIX. Valence and core-valence electron correlation e ects are accounted for through large configuration state function expansions. Calculated energy levels are compared with data from other calculations and with experimental data from the reference databases. Lifetime and transition rates along with uncertainty estimations are given for all ions. Energies from the calculations are in excellent agreement with observations and computed wavelength are almost of spectroscopic accuracy, aiding line identification in spectra.
DOI http://dx.doi.org/10.1051/0004-6361/201527106 (link to publisher's fulltext)
Publisher EDP Sciences
Host/Issue Astronomy & Astrophysics;
Volume 585
ISSN 0004-6361
Pages A26
Language eng (iso)
Subject(s) Sciences
Research Subject Categories::NATURAL SCIENCES
Handle http://hdl.handle.net/2043/19995 (link to this page)

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