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Atoms 2017, 5(3), 29; doi:10.3390/atoms5030029

Stark Widths of Na IV Spectral Lines

1
Astronomical Observatory, Volgina 7, 11060 Belgrade 38, Serbia
2
Laboratoire d’Etudes du Rayonnement et de la Matière en Astrophysique et Atmosphères—LERMA, Observatoire de Paris, 5 Place Jules Janssen, 92195 Meudon CEDEX, France
3
Department of Geography, Faculty of Natural Sciences and Mathematics, University of Kosovska Mitrovica, Ive Lole Ribara 29, 38220 Kosovska Mitrovica, Serbia
4
Edificio A. Einstein (C-2), Universidad de Córdoba, Campus de Rabanales, 14071 Córdoba, Spain
Current address: Astronomical Observatory, Volgina 7, 11060 Belgrade 38, Serbia.
These authors contributed equally to this work.
*
Author to whom correspondence should be addressed.
Academic Editor: Robert C. Forrey
Received: 16 August 2017 / Revised: 8 September 2017 / Accepted: 14 September 2017 / Published: 18 September 2017
(This article belongs to the Special Issue Spectral Line Shapes in Astrophysics and Related Topics)
View Full-Text   |   Download PDF [733 KB, uploaded 18 September 2017]

Abstract

Sodium is a very important element for the research and analysis of astrophysical, laboratory, and technological plasmas, but neither theoretical nor experimental data on Stark broadening of Na IV spectral lines are present in the literature. Using the modified semiempirical method of Dimitrijević and Konjević, here Stark widths have been calculated for nine Na IV transitions. Na IV belongs to the oxygen isoelectronic sequence, and we have calculated Stark widths belonging to singlets, triplets, and quintuplets, as well as with different parent terms. This is used to discuss similarities within one transition array with different multiplicities and parent terms. Additionally, calculated widths will be implemented in the STARK-B database (http://stark-b.obspm.fr) which is also a part of the Virtual Atomic and Molecular Data Center (VAMDC—http://www.vamdc.org/). View Full-Text
Keywords: stark broadening; line profiles; atomic data; Na IV stark broadening; line profiles; atomic data; Na IV
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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MDPI and ACS Style

Dimitrijević, M.S.; Simić, Z.; Valjarević, A.; Yubero, C. Stark Widths of Na IV Spectral Lines. Atoms 2017, 5, 29.

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