X-ray spectra of high temperature tungsten plasma calculated with collisional radiative model

doi:10.1088/1674-1056/22/8/085201

中国物理B ›› 2013, Vol. 22 ›› Issue (8): 85201-085201.doi: 10.1088/1674-1056/22/8/085201

• PHYSICS OF GASES, PLASMAS, AND ELECTRIC DISCHARGES • 上一篇下一篇

X-ray spectra of high temperature tungsten plasma calculated with collisional radiative model

王君^{a b}, 张红^a, 程新路^a

a School of Physical Science and Technology, Sichuan University, Chengdu 610064, China;
b College of Science, Sichuan University of Science and Engineering, Zigong 643000, China

收稿日期:2012-09-24 修回日期:2012-12-26 出版日期:2013-06-27 发布日期:2013-06-27
基金资助:
Project supported by the National Natural Science Foundation of China (Grant No. 11074176) and the Science Foundation of College of Science, Sichuan University of Science and Engineering, China (Grant No. 10LXYA01).

X-ray spectra of high temperature tungsten plasma calculated with collisional radiative model

Wang Jun (王君)^{a b}, Zhang Hong (张红)^a, Cheng Xin-Lu (程新路)^a

a School of Physical Science and Technology, Sichuan University, Chengdu 610064, China;
b College of Science, Sichuan University of Science and Engineering, Zigong 643000, China

Received:2012-09-24 Revised:2012-12-26 Online:2013-06-27 Published:2013-06-27
Contact: Cheng Xin-Lu E-mail:chengxl@scu.edu.cn
Supported by:
Project supported by the National Natural Science Foundation of China (Grant No. 11074176) and the Science Foundation of College of Science, Sichuan University of Science and Engineering, China (Grant No. 10LXYA01).

摘要/Abstract

摘要： Tungsten is regarded as an important candidate of plasma facing material in international thermonuclear experimental reactor (ITER), so the determination and modeling of spectra of tungsten plasma, especially the spectra at high temperature were intensely focused on recently. In this work, using the atomic structure code of Cowan, a collisional radiative model (CRM) based on the spin-orbit-split-arrays is developed. Based on this model, the charge state distribution of tungsten ions is determined and the soft X-ray spectra from high charged ions of tungsten at different temperatures are calculated. The results show that both the average ionization charge and line positions are well agreed with others calculations and measurements with discrepancies of less than 0.63% and 1.26%, respectively. The spectra at higher temperatures are also reported and the relationship between ion abundance and temperature is predicted in this work.

关键词: tungsten plasma, high temperature X-ray spectra, collisional radiative model

Abstract: Tungsten is regarded as an important candidate of plasma facing material in international thermonuclear experimental reactor (ITER), so the determination and modeling of spectra of tungsten plasma, especially the spectra at high temperature were intensely focused on recently. In this work, using the atomic structure code of Cowan, a collisional radiative model (CRM) based on the spin-orbit-split-arrays is developed. Based on this model, the charge state distribution of tungsten ions is determined and the soft X-ray spectra from high charged ions of tungsten at different temperatures are calculated. The results show that both the average ionization charge and line positions are well agreed with others calculations and measurements with discrepancies of less than 0.63% and 1.26%, respectively. The spectra at higher temperatures are also reported and the relationship between ion abundance and temperature is predicted in this work.

Key words: tungsten plasma, high temperature X-ray spectra, collisional radiative model

中图分类号: (Atomic, molecular, ion, and heavy-particle collisions)

52.20.Hv

32.70.Cs (Oscillator strengths, lifetimes, transition moments) 32.30.Jc (Visible and ultraviolet spectra)

王君, 张红, 程新路. X-ray spectra of high temperature tungsten plasma calculated with collisional radiative model[J]. 中国物理B, 2013, 22(8): 85201-085201.

Wang Jun (王君), Zhang Hong (张红), Cheng Xin-Lu (程新路). X-ray spectra of high temperature tungsten plasma calculated with collisional radiative model[J]. Chin. Phys. B, 2013, 22(8): 85201-085201.

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X-ray spectra of high temperature tungsten plasma calculated with collisional radiative model

X-ray spectra of high temperature tungsten plasma calculated with collisional radiative model

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