Energy levels of the ground state and the 2s2{ital p} (J=1) excited states of berylliumlike ions: A large-scale, relativistic configuration-interaction calculation
- University of California, Lawrence Livermore National Laboratory, Livermore, California 94550 (United States)
We have calculated energy levels of the 2s{sup 2}{sup 1}S{sub 0} ground state and the 2s2p{sup 1,3}P{sub 1} excited states of berylliumlike ions with Z=10{endash}92 using the relativistic configuration-interaction method. These calculations are based on the relativistic no-pair Hamiltonian which includes Coulomb and retarded Breit interactions and employ finite B-spline basis functions. Quantum electrodynamic and mass polarization corrections are also calculated. Good agreement between theory and experiment for the 2s{sup 2}{sup 1}S{sub 0}{minus}2s2p{sup 1,3}P{sub 1} transition energies is found throughout the isoelectronic sequence. {copyright} {ital 1997} {ital The American Physical Society}
- Research Organization:
- Lawrence Livermore National Laboratory
- DOE Contract Number:
- W-7405-ENG-48
- OSTI ID:
- 435197
- Journal Information:
- Physical Review A, Journal Name: Physical Review A Journal Issue: 1 Vol. 55; ISSN 1050-2947; ISSN PLRAAN
- Country of Publication:
- United States
- Language:
- English
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