Hyperfine structure and 2s-2p transition in C-like Fe, Co and Ni

Sang, Chao; Chen, Zhan-Bin; Sun, Yan; Shen, Xiaozhi; Hu, Feng; Ma, Jun; Wang, Xiang-Li

doi:10.1016/j.elspec.2018.11.001

Cited by 5 publications

(1 citation statement)

References 21 publications

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“…The GRASP2K package [8][9][10] was used in this work, which is based on the multiconfiguration Dirac-Hartree-Fock (MCDHF) method [11], it has particular advantage in dealing with highly charged ions with several valence electrons. Details about the theoretical method can be discovered everywhere [12][13][14][15][16][17]. Here we only give a general description.…”

Section: Methodsmentioning

confidence: 99%

Transition spectral parameters of In-like Ba, La, and Ce ions

2022

Can. J. Phys.

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The spectral parameters (energy levels, wavelengths, transition probabilities, line strengths and oscillator strengths) of resonance lines for Ba VIII, La IX and Ce X have been performed using the multiconfiguration Dirac-Hartree-Fock method, the contributions of quantum electrodynamics and Breit interactions correction are taken into considered. The calculated results of energy levels and wavelengths are in good agreement with experimental values and other calculation. The number of energy levels and wavelengths considered is larger than that of any other experiment values and other calculations. The transition probabilities, line strengths and oscillator strengths are also calculated where no other theoretical results and experimental values are available.

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Section: Methodsmentioning

confidence: 99%

Transition spectral parameters of In-like Ba, La, and Ce ions

2022

Can. J. Phys.

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A theoretical calculation of atomic parameters for the transitions of Si II

et al. 2020

Indian J Phys

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Ionization potentials of the superheavy element livermorium (Z = 116)

Liu

Shen

Wang

et al. 2020

The Journal of Chemical Physics

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Ionization potentials (IPs) of the superheavy element (SHE) livermorium (Lv) and its ions Lvn+ (n = 1, …, 6) are obtained using the multiconfiguration Dirac–Hartree–Fock method. The effects of electron correlation in the subshells {6s, 6p, 6d, 7s, 7p} are taken into account, together with the Breit interaction and quantum electrodynamic (QED) effects. In Lv, the strong relativistic effect causes a large splitting between the energies of the 7p1/2 and 7p3/2 orbitals, which results in a large difference between IP3 and IP2. As a consequence, the behavior of the IPs of Lv differs from that of the lighter oxygen group elements: among the IPnZ (Z = Se, Te, Po, Lv; n = 1, …, 6), IP1,2Lv are the smallest, whereas IP3,4,5,6Lv are the second largest among the IP3,4,5,6Z. This jump in IP can be taken to be a natural characteristic of SHEs because the calculations of the difference between IP3 and IP2 are only weakly affected by electron correlation, the Breit interaction, and QED effects, with only the relativistic effect being significant. We also show that the energies and IPs of neutral Lv and Lv+ are clearly influenced by the electron correlation effect in the subshells {6s, 6p, 6d}. The Breit interaction and QED have an effect on the energies that has an exponential dependence on the atomic number, although they have only a weak influence on the IPs. The analysis of the stabilities of the 2+, 4+, and 6 + states of Lv shows good agreement with predictions from other studies.

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Hyperfine structure and 2s-2p transition in C-like Fe, Co and Ni

Cited by 5 publications

References 21 publications

Transition spectral parameters of In-like Ba, La, and Ce ions

Transition spectral parameters of In-like Ba, La, and Ce ions

A theoretical calculation of atomic parameters for the transitions of Si II

Ionization potentials of the superheavy element livermorium (Z = 116)

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