X-RAY AND EUV SPECTROSCOPY OF VARIOUS ASTROPHYSICAL AND LABORATORY PLASMAS: COLLISIONAL, PHOTOIONIZATION AND CHARGE-EXCHANGE PLASMAS

被引:18
作者
Liang, G. Y. [1 ]
Li, F. [1 ]
Wang, F. L. [1 ]
Wu, Y. [2 ]
Zhong, J. Y. [1 ]
Zhao, G. [1 ]
机构
[1] Chinese Acad Sci, Natl Astron Observ, Key Lab Opt Astron, Beijing, Peoples R China
[2] Beijing Inst Appl Phys & Computat Math, Data Ctr High Energy Dens Phys, Beijing, Peoples R China
基金
中国国家自然科学基金;
关键词
atomic processes; line: formation; plasmas; X-rays: general; FINITE-DENSITY PLASMAS; DIELECTRONIC RECOMBINATION DATA; ELECTRON-IMPACT EXCITATION; K-SHELL PHOTOIONIZATION; EXTREME-ULTRAVIOLET SPECTROSCOPY; CROSS-SECTIONS; RATE COEFFICIENTS; DIAGNOSTIC APPLICATION; IONIZATION BALANCE; SINGLE IONIZATION;
D O I
10.1088/0004-637X/783/2/124
中图分类号
P1 [天文学];
学科分类号
0704 ;
摘要
Several laboratory facilities were used to benchmark theoretical spectral models that are extensively used by astronomical communities. However, there are still many differences between astrophysical environments and laboratory miniatures that can be archived. Here we setup a spectral analysis system for astrophysical and laboratory plasmas to make a bridge between them, and we investigate the effects from non-thermal electrons and the contributions from a metastable level population on level populations and charge stage distribution for coronal-like, photoionized, and geocoronal plasmas. Test applications to laboratory measurement (i.e., electron beam ion trap plasma) and astrophysical observation (i.e., Comet, Cygnus X-3) are presented. A time evolution of the charge stage and level population are also explored for collisional and photoionized plasmas.
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页数:14
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