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M1 transition energy and rate in the ground configuration of Ag-like ions with 62 ≤ Z ≤ 94 |
| Ju Meng(孟举)1, Wen-Xian Li(李文显)2, Ji-Guang Li(李冀光)1,†, Ze-Qing Wu(吴泽清)1, Jun Yan(颜君)1,3, Yong Wu(吴勇)1,3, and Jian-Guo Wang(王建国)1 |
1 National Key Laboratory of Computational Physics, Institute of Applied Physics and Computational Mathematics, Beijing 100088, China;
2 Key Laboratory of Solar Activity, National Astronomical Observatories, Chinese Academy of Sciences, Beijing 100012, China;
3 HEDPS, Center for Applied Physics and Technology, and College of Engineering, Peking University, Beijing 100871, China |
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Abstract Systematic calculations and assessments are performed for the magnetic dipole (M1) transition energies and rates between the $^{2}\!F^{\rm o}_{5/2},_{7/2} $ levels in the ground configuration {4d}$^{10}${4f} along the Ag-like isoelectronic sequence with ${62 } \le Z \le { 94}$ based on the second-order many-body perturbation theory implemented in the Flexible Atomic Code. The electron correlations, Breit interaction and quantum electrodynamics effects are taken into account in the present calculations. The accuracy and reliability of our results are evaluated through comprehensive comparisons with available measurements and other theoretical results. For transition energies, our results are in good agreement with the recent experimental data obtained from the electron beam ion traps within 0.18%. The maximum discrepancy between our results and those obtained with the large-scale multiconfiguration Dirac-Hartee-Fock calculations by Grumer et al. [Phys. Rev. A 89 062501 (2014)] is less than 0.13 % along the isoelectronic sequence. Furthermore, the corresponding M1 transition rates are also reported. The present results can be used as the benchmark and useful for spectra simulation and diagnostics of astrophysical and fusion plasmas.
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Received: 11 May 2021
Revised: 03 July 2021
Accepted manuscript online: 12 July 2021
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PACS:
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31.15.am
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(Relativistic configuration interaction (CI) and many-body perturbation calculations)
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31.15.ag
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(Excitation energies and lifetimes; oscillator strengths)
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| Fund: This work is supported by the National Natural Science Foundation of China (Grant Nos. 11874090, 11934004, 11404180, 11604052, and 11774037), and the National Key Research and Development Program of China (Grant No. 2017YFA0402300). |
Corresponding Authors:
Ji-Guang Li
E-mail: li_jiguang@iapcm.ac.cn
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Cite this article:
Ju Meng(孟举), Wen-Xian Li(李文显), Ji-Guang Li(李冀光), Ze-Qing Wu(吴泽清), Jun Yan(颜君), Yong Wu(吴勇), and Jian-Guo Wang(王建国) M1 transition energy and rate in the ground configuration of Ag-like ions with 62 ≤ Z ≤ 94 2022 Chin. Phys. B 31 013101
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