Identification of tungsten spectra in X-ray range on EAST Tokamak using Flexible Atomic Code

被引：0
|
作者：
Ji, H. [1 ,2 ]
Zhang, H. [1 ]
Lyu, B. [1 ]
Yang, Y. [3 ]
Huang, S. [3 ]
Lin, Z. [1 ,2 ]
Fu, J. [1 ]
Wang, F. [1 ]
Yin, X. [4 ]
Sunab, B. [1 ,2 ]
Shene, Y. [5 ]
机构：
[1] Chinese Acad Sci, Hefei Inst Phys Sci, Hefei, Peoples R China
[2] Univ Sci & Technol China, Grad Sch Sci Isl Branch, Hefei, Peoples R China
[3] Fudan Univ, Inst Modern Phys, Shanghai, Peoples R China
[4] Univ South China, Sch Nucl Sci & Technol, Hengyang, Peoples R China
[5] Hefei Normal Univ, Sch Phys & Mat Engn, Hefei, Peoples R China
来源：
JOURNAL OF INSTRUMENTATION | 2025年 / 20卷 / 03期
基金：
中国国家自然科学基金;
关键词：
Plasma diagnostics- interferometry; spectroscopy and imaging; Nuclear instruments and methods for hot plasma diagnostics; Plasma diagnostics- charged-particle spectroscopy;
D O I：
10.1088/1748-0221/20/03/C03041
中图分类号：
TH7 [仪器、仪表];
学科分类号：
0804 ; 080401 ; 081102 ;
摘要：
New tungsten X-ray spectral lines were observed using the X-ray Crystal Spectrometer (XCS) system on the Experimental Advanced Superconducting Tokamak (EAST), with wavelengths ranging from 3.90 & Aring; to 3.98 & Aring;. Preliminary analysis suggests that these previously unidentified lines are emitted by W43+, W44+ and W45+. To further validate these observations, this study utilizes the Flexible Atomic Code (FAC) and FLYCHK codes to calculate the emission spectra and ion charge-state distributions, respectively. Strong agreement between theoretical calculations and experimental observations confirms the accuracy of the spectral identification.
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页数：7
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