Theoretical transition probabilities, oscillator strengths, and radiative lifetimes of levels in Pb IV

被引：11
|
作者：
Alonso-Medina, A. [1 ]
Colon, C. [1 ]
Porcher, P. [2 ]
机构：
[1] Univ Politecn Madrid, Dpto Fis Aplicada, EUIT Ind, Madrid 28012, Spain
[2] CNRS, UMR 7574, Lab Chim Appl Etat Solide, Paris, France
来源：
ATOMIC DATA AND NUCLEAR DATA TABLES | 2011年 / 97卷 / 01期
关键词：
CORE-POLARIZATION; ISOELECTRONIC-SEQUENCES; SPECTRA; LEAD;
D O I：
10.1016/j.adt.2010.08.002
中图分类号：
O64 [物理化学（理论化学）、化学物理学]; O56 [分子物理学、原子物理学];
学科分类号：
070203 ; 070304 ; 081704 ; 1406 ;
摘要：
Transition probabilities and oscillator strengths of 176 spectral lines with astrophysical interest arising from 5d(10)ns (n = 7,8), 5d(10)np (n = 6,7), 5d(10)nd (n = 6,7), 5d(10)5f, 5d(10)5g, 5d(10)nh (n = 6,7,8), 5d(9)6s(2), and 5d(9)6s6p configurations, and radiative lifetimes for 43 levels of Pb IV, have been calculated. These values were obtained in intermediate coupling (IC) and using relativistic Hartree-Fock calculations including core-polarization effects. For the IC calculations, we use the standard method of least-square fitting from experimental energy levels by means of the Cowan computer code. The inclusion in these calculations of the 5d(10)7p and 5d(10)5f configurations has facilitated a complete assignment of the energy levels in the Pb IV. Transition probabilities, oscillator strengths, and radiative lifetimes obtained are generally in good agreement with the experimental data. (C) 2010 Elsevier Inc. All rights reserved.
引用
收藏
页码：36 / 49
页数：14
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