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Collisional radiative model for the M1 transition spectrum of the highly-charged W54+ ions |
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| Authors: | Xiaobin Ding Jiaoxia Yang Linfan Zhu Fumihiro Koike Izumi Murakami Daiji Kato Hiroyuki A Sakaue Nobuyuki Nakamura Chenzhong Dong |
| Institution: | 1. Key Laboratory of Atomic and Molecular Physics and Functional Materials of Gansu Province, College of Physics and Electronic Engineering, Northwest Normal University, Lanzhou 730070, China;2. Hefei National Laboratory for Physical Sciences at the Microscale and Department of Modern Physics, University of Science and Technology of China, Hefei, Anhui 230026, China;3. Department of Physics, Sophia University, Tokyo 102-8554, Japan;4. National Institute for Fusion Science, National Institutes of Natural Sciences, Toki, Gifu 509-5292, Japan;5. Department of Fusion Science, SOKENDAI, Toki, Gifu, 509-5292, Japan;6. Department of Advanced Energy Engineering Science, Kyushu University, Kasuga, Fukuoka, 816-8580, Japan;g. Institute for Laser Science, The University of Electro-Communications, Chofu, Tokyo 182-8585, Japan |
| Abstract: | A detailed-level collisional-radiative model for the M1 transition spectrum of the Ca-like W54+ ion as observed in an electron beam ion trap (EBIT) was constructed based on atomic data calculated by the relativistic configuration interaction method and distorted wave theory. The present calculated transition energy, rate and intensity of W54+ M1 transitions are compared with previous theoretical and experimental values. The results are in reasonable agreement with the available experimental and theoretical data. The synthetic spectrum explained the EBIT spectrum in the 12–20 nm region, while a new possibly strong transition has been predicted to be observable with an appropriate electron beam energy. The present work provides accurate atomic data that may be used in plasma diagnostics applications. |
| Keywords: | Collisional-radiative model Ca-like tungsten Relativistic configuration interaction EBIT spectrum simulation |
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