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Get Free AccessNew high-resolution x-ray spectra of Mo39+, Mo40+, W43+, W44+ and W45+ have been carefully confirmed for the first time by use of the x-ray imaging crystal spectrometer (XCS) in Experimental Advanced Superconducting Tokamak (EAST) under various combined auxiliary heating plasmas conditions. Wavelength of these new x-ray spectra is ranged from 3.895 {\AA} to 3.986 {\AA}. When core electron temperature (Te0) reaches 6.0 keV, Mo39+ and Mo40+ lines of 3.9727, 3.9294 and 3.9480 {\AA} can be effectively detected on XCS for EAST; meanwhile, line-integrated brightness of these spectral lines of Mo39+ and Mo40+ is very considerable when electron temperature reaches 12.9 keV. Multi-components spectral lines for W43+, W44+ and W45+ have also been identified when Te0 reaches 6 keV. Parts of spectral lines, such as Zn-1, Cu-2, Cu-4a, Cu-4d and Cu-5 lines of tungsten, are first observed experimentally. When electron temperature reaches 12.9 keV, line-integrated intensity for part of these spectral lines of W43+, W44+ and W45+ are considerable. These experimental results and theoretical predictions from FAC and FLYCHK codes are in good general agreement. These new spectral lines, obtained on XCS for EAST, are vital for deeply uncovering the mechanisms of ion and electron thermal, high-Z impurity and momentum (anomalous) transport to achieve the advanced steady-state operation scenarios for ITER and CFETR.
Fudi Wang, Dian Lu, Mingfeng Gu, Yifei Jin, Jia Fu, Yuejiang Shi, Yang Yang, J. E. Rice, Manfred Bitter, Qing Zang, Hailin Zhao, Liang He, Miaohui Li, Handong Xu, Haijing Liu, Zichao Lin, Yi-Fei Chen, Yongcai Shen, Kenneth Hill, Cheonho Bae, Shengyu Fu, Hongming Zhang, S. G. Lee, Xiaoqing Yang, Guozhang Jia, Yingying Li, Bo Lyu, Juan Huang, Xianzu Gong, Baonian Wan (2022). First Identification of New X-Ray Spectra of Mo39+, Mo40+, W43+, W44+ and W45+ on EAST. arXiv (Cornell University), DOI: 10.48550/arxiv.2204.02051.
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Type
Preprint
Year
2022
Authors
30
Datasets
0
Total Files
0
Language
English
Journal
arXiv (Cornell University)
DOI
10.48550/arxiv.2204.02051
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