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Title: Resonance and intercombination lines in Mg-like ions of atomic numbers Z = 13 –92

Journal Article · · Physical Review A - Atomic, Molecular, and Optical Physics
 [1];  [2]
  1. Univ. of California, Berkeley, CA (United States); Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)
  2. Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States); Ruhr-Univ. Bochum, Bochum (Germany)
+ Show Author Affiliations

While prominent lines of various Na-like ions have been measured with an accuracy of better than 100 ppm and corroborate equally accurate calculations, there have been remarkably large discrepancies between calculations for Mg-like ions of high atomic number. We present ab initio calculations using the multireference Moller-Plesset approach for Mg-like ions of atomic numbers Z = 13-92 and compare the results with other calculations of this isoelectronic sequence as well as with experimental data. Our results come very close to experiment (typically 100 ppm) over a wide range. Furthermore, data at high values of Z are sparse, which calls for further accurate measurements in this range where relativistic and QED effects are large.

Research Organization:
Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States); Lawrence Livermore National Laboratory (LLNL), Livermore, CA (United States)
Sponsoring Organization:
USDOE National Nuclear Security Administration (NNSA)
Grant/Contract Number:
AC05-00OR22725; AC52-07NA27344
OSTI ID:
1337496
Alternate ID(s):
OSTI ID: 1180060; OSTI ID: 1881609
Report Number(s):
LLNL-JRNL-823499; PLRAAN
Journal Information:
Physical Review A - Atomic, Molecular, and Optical Physics, Vol. 91, Issue 2; ISSN 1050-2947
Publisher:
American Physical Society (APS)Copyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 18 works
Citation information provided by
Web of Science

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Relativistic MR-MP Energy Levels for L-shell Ions of Sulfur and Argon journal October 2018
MCDHF and RCI calculations of energy levels, lifetimes and transition rates for 3l3l ′, 3l4l ′, and 3s5l states in Ca IX – As XXII and Kr XXV journal January 2017
EUV spectra of europium—Chasing for spectral lines of P‐ to Ar‐like ions journal April 2019

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