Energy levels and transition data of 3p63d8 and 3p53d9 configurations in Fe-like ions (Z = 57, 60, 62, 64, 65)

doi:10.1088/1674-1056/ac4480

摘要/Abstract

摘要： Atomic data of highly charged ions (HCIs) offer an attractive means for plasma diagnostic and stars identification, and the investigations on atomic data are highly desirable. Herein, based on the fully relativistic multi-configuration Dirac-Hartree-Fock (MCDHF) method, we have performed calculations of the fine-structure energy levels, wavelengths, transition rates, oscillator strengths, and line strengths for the lowest 21 states of 3p⁶3d⁸-3p⁵3d⁹ electric dipole (E1) transitions configurations in Fe-like ions (Z = 57, 60, 62, 64, 65). The correlation effects of valence-valence (VV) and core-valence (CV) electrons were systematically considered. In addition, we have taken into account transverse-photon (Breit) interaction and quantum electrodynamics (QED) corrections to treat accurately the atomic state wave functions in the final relativistic configuration interaction (RCI) calculations. Our calculated energy levels and transition wavelengths are in excellent agreement with the available experimental and theoretical results. Most importantly, we predicted some new transition parameters that have not yet been reported. These data would further provide critical insights into better analyzing the physical processes of various astrophysical plasmas.

关键词: Fe-like ions, energy levels, wavelengths, transition rates

Abstract: Atomic data of highly charged ions (HCIs) offer an attractive means for plasma diagnostic and stars identification, and the investigations on atomic data are highly desirable. Herein, based on the fully relativistic multi-configuration Dirac-Hartree-Fock (MCDHF) method, we have performed calculations of the fine-structure energy levels, wavelengths, transition rates, oscillator strengths, and line strengths for the lowest 21 states of 3p⁶3d⁸-3p⁵3d⁹ electric dipole (E1) transitions configurations in Fe-like ions (Z = 57, 60, 62, 64, 65). The correlation effects of valence-valence (VV) and core-valence (CV) electrons were systematically considered. In addition, we have taken into account transverse-photon (Breit) interaction and quantum electrodynamics (QED) corrections to treat accurately the atomic state wave functions in the final relativistic configuration interaction (RCI) calculations. Our calculated energy levels and transition wavelengths are in excellent agreement with the available experimental and theoretical results. Most importantly, we predicted some new transition parameters that have not yet been reported. These data would further provide critical insights into better analyzing the physical processes of various astrophysical plasmas.

Key words: Fe-like ions, energy levels, wavelengths, transition rates

中图分类号: (Excitation energies and lifetimes; oscillator strengths)

31.15.ag

31.15.xr (Self-consistent-field methods) 31.30.jc (Relativistic corrections to atomic structure and properties) 95.30.Ky (Atomic and molecular data, spectra, and spectralparameters (opacities, rotation constants, line identification, oscillator strengths, gf values, transition probabilities, etc.))

Bao-Ling Shi(施宝玲), Yi Qin(秦毅), Xiang-Fu Li(李向富), Bang-Lin Deng(邓邦林), Gang Jiang(蒋刚), and Xi-Long Dou(豆喜龙). Energy levels and transition data of 3p⁶3d⁸ and 3p⁵3d⁹ configurations in Fe-like ions (Z = 57, 60, 62, 64, 65)[J]. 中国物理B, 2022, 31(5): 53102-053102.

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Energy levels and transition data of 3p⁶3d⁸ and 3p⁵3d⁹ configurations in Fe-like ions (Z = 57, 60, 62, 64, 65)

Energy levels and transition data of 3p⁶3d⁸ and 3p⁵3d⁹ configurations in Fe-like ions (Z = 57, 60, 62, 64, 65)

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