Relativistic Multireference Many-body Perturbation Theory for Open-shell Ions with Multiple Valence Shell Electrons: the Transition Rates and Lifetimes of the Excited Levels in Chlorinelike Fe X
Journal Article
·
· Journal of Physics B: Atomic Molecular and Optical Physics, vol. 43, no. 7, March 19, 2010, pp. 074022
OSTI ID:975222
A recently developed relatistic multireference many-body perturbation theory based on multireference configuration-interaction wavefunctions as zeroth order wavefunctions is outlined. The perturbation theory employs a general class of configuration-interaction wve functions as reference functions, and thus is applciable to multiple open valence shell systems with near degeneracy of a manifold of strongly interacting configurations. Multireference many-body perturbation calculations are reported for the ground and excited states of chlorine-like Fe X in which the near degeneracy of a manifold of strongly interacting configurations mandates a multireference treatment. Term energies of a total of 83 excited levels arising from the 3s{sup 2}3p{sup 5}, 3s3p{sup 6}, 3s{sup 2}3p{sup 4}3d, 3s3p{sup 5}3d, and 3s{sup 2}3p{sup 3}3d{sup 2} configurations of the ion are evaluated to high accuracy. Transition rates associated with E1/M1/E2/M2/E3 radiative decays and lifetimes of a number of excited levels are calculated and compared with laboratory measurements to critically evaluate recent experiments.
- Research Organization:
- Lawrence Livermore National Laboratory (LLNL), Livermore, CA
- Sponsoring Organization:
- USDOE
- DOE Contract Number:
- W-7405-ENG-48
- OSTI ID:
- 975222
- Report Number(s):
- LLNL-JRNL-417445
- Journal Information:
- Journal of Physics B: Atomic Molecular and Optical Physics, vol. 43, no. 7, March 19, 2010, pp. 074022, Journal Name: Journal of Physics B: Atomic Molecular and Optical Physics, vol. 43, no. 7, March 19, 2010, pp. 074022 Journal Issue: 7 Vol. 43
- Country of Publication:
- United States
- Language:
- English
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