4d excitation spectra of highly charged Pr ions in laser-produced plasmas

被引：5
|
作者：
Su, M. G. [1 ]
Cao, S. Q. [1 ]
Min, Q. [1 ]
Sun, D. X. [1 ]
Dong, C. Z. [1 ]
机构：
[1] Northwest Normal Univ, Key Lab Atom & Mol Phys & Funct Mat Gansu Prov, Coll Phys & Elect Engn, Lanzhou 730070, Peoples R China
来源：
PHYSICS OF PLASMAS | 2017年 / 24卷 / 04期
基金：
中国国家自然科学基金;
关键词：
X-RAY-EMISSION; ELEMENTS; PHOTOABSORPTION;
D O I：
10.1063/1.4980839
中图分类号：
O35 [流体力学]; O53 [等离子体物理学];
学科分类号：
070204 ; 080103 ; 080704 ;
摘要：
Spectra of laser-produced praseodymium (Pr) plasmas have been acquired for the 7.5-14.5 nm wavelength range using spatio-temporally resolved emission spectroscopy. The characteristic features of experimental spectra are dominated by an intense narrow band and a broad quasi-continuous band. These derive from 4d-4f transitions of Pr-3 broken vertical bar up to Pr-7 broken vertical bar ions, according to Hartree-Fock calculations that evaluated configuration interaction effects. Plasma parameters have been estimated by comparing experimental and simulated spectra, based on the assumption of a normalized Boltzmann distribution among excited states and a steady-state collisional-radiative model. The results provide further understanding of radiation properties of highly charged ions of middle-and high-Z elements. Published by AIP Publishing.
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收藏
页数：5
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