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Benchmarking Atomic Data for Astrophysics : Be-like Ions between B II and Ne VII

Wang, Kai (author)
Malmö universitet,Institutionen för materialvetenskap och tillämpad matematik (MTM),Hebei Key Lab of Optic-electronic Information and Materials, College of Physics Science and Technology, Hebei University, Baoding, 071002, China
Bin Chen, Zhan (author)
College of Science, Hunan University of Technology, Zhuzhou, 412000, China
Zhang, Chun Yu (author)
Shanghai EBIT Lab, Key Laboratory of Nuclear Physics and Ion-beam Application, Institute of Modern Physics, Department of Nuclear Science and Technology, Fudan University, Shanghai, 200433, China
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Si, Ran (author)
Shanghai EBIT Lab, Key Laboratory of Nuclear Physics and Ion-beam Application, Institute of Modern Physics, Department of Nuclear Science and Technology, Fudan University, Shanghai, 200433, China
Jönsson, Per (author)
Malmö universitet,Institutionen för materialvetenskap och tillämpad matematik (MTM)
Hartman, Henrik (author)
Malmö universitet,Institutionen för materialvetenskap och tillämpad matematik (MTM)
Gu, Ming Feng (author)
Space Science Laboratory, University of California, Berkeley, 94720, CA, United States
Chen, Chong Yang (author)
Shanghai EBIT Lab, Key Laboratory of Nuclear Physics and Ion-beam Application, Institute of Modern Physics, Department of Nuclear Science and Technology, Fudan University, Shanghai, 200433, China
Yan, Jun (author)
Institute of Applied Physics and Computational Mathematics, Beijing, 100088, China; Center for Applied Physics and Technology, Peking University, Beijing, 100871, China; Collaborative Innovation Center of IFSA (CICIFSA), Shanghai Jiao Tong University, Shanghai, 200240, China
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 (creator_code:org_t)
2018-02-08
2018
English.
In: Astrophysical Journal Supplement Series. - : Institute of Physics (IOP). - 0067-0049 .- 1538-4365. ; 234:2
Related links:
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  • Journal article (peer-reviewed)
Abstract Subject headings
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  • Large-scale self-consistent multiconfiguration Dirac-Hartree-Fock and relativistic configuration interaction calculations are reported for the n <= 6 levels in Be-like ions from B II to Ne VII. Effects from electron correlation are taken into account by means of large expansions in terms of a basis of configuration state functions, and a complete and accurate data set of excitation energies; lifetimes; wavelengths; electric dipole, magnetic dipole, electric quadrupole, and magnetic quadrupole line strengths; transition rates; and oscillator strengths for these levels is provided for each ion. Comparisons are made with available experimental and theoretical results. The uncertainty of excitation energies is assessed to be 0.01% on average, which makes it possible to find and rule out misidentifications and aid new line identifications involving high-lying levels in astrophysical spectra. The complete data set is also useful for modeling and diagnosing astrophysical plasmas.

Keyword

atomic data
atomic processes

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