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Title: Multireference - Møller-Plesset Perturbation Theory Results on Levels and Transition Rates in Al-like Ions of Iron Group Elements

Journal Article · · Physica Scripta
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Ground configuration and low-lying levels of Al-like ions contribute to a variety of laboratory and solar spectra, but the available information in databases are neither complete not necessarily correct. We have performed multireference Moeller-Plesset perturbation theory calculations that approach spectroscopic accuracy in order to check the information that databases hold on the 40 lowest levels of Al-Like ions of iron group elements (K through Ge), and to provide input for the interpretation of concurrent experiments. Our results indicate problems of the database holdings on the levels of the lowest quartet levels in the lighter elements of the range studied. The results of our calculations of the decay rates of five long-lived levels (3s{sup 2}3p {sup 2}p{sup o}{sub 3/2}, 3s3p{sup 2} {sup 4}P{sup o} J and 3s3p3d {sup 4}F{sup o}{sub 9/2}) are compared with lifetime data from beam-foil, electron beam ion trap and heavy-ion storage ring experiments.

Research Organization:
Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States)
Sponsoring Organization:
USDOE
DOE Contract Number:
W-7405-ENG-48
OSTI ID:
953716
Report Number(s):
LLNL-JRNL-410877; PHSTBO; TRN: US1001349
Journal Information:
Physica Scripta, Vol. 79, Issue 6; ISSN 0031-8949
Country of Publication:
United States
Language:
English

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Related Subjects

74 ATOMIC AND MOLECULAR PHYSICS
ACCURACY
CONFIGURATION
DATA
DECAY
ELECTRIC GROUNDS
ELECTRON BEAMS
ELEMENTS
INFORMATION
IONS
IRON
LEVELS
PERTURBATION THEORY
RANGE
SPECTRA
STORAGE RINGS
TRAPS