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Emission spectra simulation of calcium plasmas in non-local thermodynamic equilibrium
Liang, GY; Xia, B; Gang, Z
2004-06-01
发表期刊CHINESE PHYSICS
卷号13期号:6页码:891-897
摘要We use previous high-quality experimental spectra to test the accuracy of atomic data and the validity of the collisional-radiative (CR) model used in this paper. The synthetic spectrum with electron temperature log T-e (K) = 6.745 and electron density n(e) = 6.0 x 10(13) cm(-3), which almost reproduces the experimental spectra, is presented. Nearly all the features of the experimental spectra were identified. The results of the CR modelling for the emission spectra of calcium plasmas all agree well with the measured spectral line intensities within the experimental error for most of the lines. Furthermore, we make the electron temperature diagnostic through the synthetic spectrum and population fractions of every ionization state as a function of charge state at different electron temperatures, as well as the electron density diagnostic through the intensity ratios of two lines of Be-like calcium and three lines of C-like calcium. A good agreement between the calculated values and the measured ones is found.
关键词Atomic Process Plasma Electron Temperature And Density Diagnostic Spectra
收录类别SCI
语种英语
WOS记录号WOS:000222150700019
引用统计
文献类型期刊论文
条目标识符http://ir.bao.ac.cn/handle/114a11/8141
专题光学天文研究部
作者单位Chinese Acad Sci, Natl Astron Observ, Beijing 100012, Peoples R China
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GB/T 7714
Liang, GY,Xia, B,Gang, Z. Emission spectra simulation of calcium plasmas in non-local thermodynamic equilibrium[J]. CHINESE PHYSICS,2004,13(6):891-897.
APA Liang, GY,Xia, B,&Gang, Z.(2004).Emission spectra simulation of calcium plasmas in non-local thermodynamic equilibrium.CHINESE PHYSICS,13(6),891-897.
MLA Liang, GY,et al."Emission spectra simulation of calcium plasmas in non-local thermodynamic equilibrium".CHINESE PHYSICS 13.6(2004):891-897.
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