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Energy levels and magnetic dipole transition parameters for the nitrogen isoelectronic sequence

Chinese Physics B 2022年第9期31卷 103-110页

作者： Mu-Hong Hu Nan Wang Pin-Jun Ouyang Xin-Jie Feng Yang Yang Chen-Sheng Wu School of Physics and Electronic Technology Liaoning Normal UniversityDalian 116029China Institute of Applied Physics and Computational Mathematics Beijing 100094China

Theoretical calculations of the energy levels and magnetic dipole transition parameters for the 1s^(2)2s^(2)2p^(3) and 1s^(2)2p^(5) configurations of nitrogen isoelectronic sequence with Z=21-30 are performed using multi-congfiguration Dirac-Fock(MCDF)*** on the relativistic computational code GRASP2k compiled within the framework of MCDF method,the electron correlations,Breit interaction and QED effects are well treated in *** energy levels,line strengths and transition rates of magnetic dipole transition are obtained and compared with the experimental data *** most cases,good agreements are achieved and the relative differences of them are less than 0.114%,8.43% and 9.80%,*** scaling laws of the fine structure splitting and transition rate are obtained on the isoelec-tronic sequence and the corresponding physical mechanisms are *** data sets for tables are openly available at https://***/10.57760/sciencedb.j00113.00022.

关键词： energy level magnetic dipole transition transition rate scaling law nitrogen-like ions multicongfiguration Dirac-Fock(MCDF)method

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M1 transition energy and rate in the ground configuration of Ag-like ions with 62 ≤ Z ≤ 94

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Chinese Physics B 2022年第1期31卷 221-226页

作者： Ju Meng Wen-Xian Li Ji-Guang Li Ze-Qing Wu Jun Yan Yong Wu Jian-Guo Wang National Key Laboratory of Computational Physics Institute of Applied Physics and Computational MathematicsBeijing 100088China Key Laboratory of Solar Activity National Astronomical ObservatoriesChinese Academy of SciencesBeijing 100012China HEDPS Center for Applied Physics and Technologyand College of EngineeringPeking UniversityBeijing 100871China

Systematic calculations and assessments are performed for the magnetic dipole(M1)transition energies and rates between the ^(2)F^(o)_(5/2,7/2) levels in the ground configuration 4d104f along the Ag-like isoelectronic sequence with 62≤Z≤94 based on the second-order many-body perturbation theory implemented in the Flexible Atomic *** electron correlations,Breit interaction and quantum electrodynamics effects are taken into account in the present *** accuracy and reliability of our results are evaluated through comprehensive comparisons with available measurements and other theoretical *** 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.[***.A 89062501(2014)]is less than 0.13%along the isoelectronic ***,the corresponding M1 transition rates are also *** present results can be used as the benchmark and useful for spectra simulation and diagnostics of astrophysical and fusion plasmas.

关键词： Ag-like ions magnetic dipole transition fine-structure splitting

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