Stark broadening of Pb IV spectral lines

被引：16
|
作者：
Hamdi, Rafik [1 ]
Ben Nessib, Nabil [2 ,3 ]
Dimitrijevic, Milan S. [4 ,5 ,6 ]
Sahal-Brechot, Sylvie [5 ]
机构：
[1] Univ Carthage, Fac Sci Bizerte, Grp Rech Phys Atom & Astrophys, Tunis, Tunisia
[2] King Saud Univ, Coll Sci, Dept Phys & Astron, Riyadh 11451, Saudi Arabia
[3] Univ Carthage, INSAT, Grp Rech Phys Atom & Astrophys, Tunis, Tunisia
[4] Astron Observ, Belgrade 11060, Serbia
[5] UPMC, UMR CNRS 8112, Observ Paris, Lab Etud Rayonnement & Matiere Astrophys, F-92195 Meudon, France
[6] Inst Isaac Newton, Yugoslavia Branch, Belgrade 11060, Serbia
来源：
MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY | 2013年 / 431卷 / 02期
关键词：
atomic data; atomic processes; line: profiles; MOLECULAR-DATA CENTER; ASTROPHYSICAL INTEREST; STELLAR ATMOSPHERES; ION LINES; ELECTRON; PLASMA; WIDTHS; LEAD; GERMANIUM; PROFILES;
D O I：
10.1093/mnras/stt228
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
Stark-broadening parameters have been calculated for 114 spectral lines of triply charged lead ion (Pb IV) using semiclassical perturbation approach in the impact approximation. The provided widths and shifts have been obtained for a set of temperatures from 20 000 to 300 000 K and an electron density of 10(17) cm(-3). The studied lines correspond to transitions between the configurations 5d(10) nl-5d(10)n'l' and 5d(9)6s(2)-5d(10)nl. Energy levels and oscillator strengths needed for this calculation have been calculated using a Hartree-Fock relativistic (HFR) approach. Comparison has also been made with available theoretical and experimental results. In addition, the regularity in the 5d(10)6s(2)S(1/2)-5d(10)np(2)P(1/2)(o) spectral series has been studied.
引用
收藏
页码：1039 / 1047
页数：9
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