Coronal lines and the importance of deep-core-valence correlation in Ag-like ions
Författare
Summary, in English
We report on large-scale and critically evaluated ab initio multiconfiguration Dirac-Hartree-Fock calculations of the wavelength and transition rate of the "coronal," M1 transition 4f F-2(5/2)o-F-2(7/2)o in Ag-like ions. The transition between these two fine-structure levels, which makes up the ground term for Z >= 62 in the isoelectronic sequence, has recently been observed in Yb23+ and W27+, where the latter could be of great importance for fusion plasma diagnostics. We present values for all members of the sequence between Z = 50 and 94, which are supported by excellent agreement with values from recent experiments. The importance of including core-valence correlation with the n = 3 shell in the theoretical model is emphasized. The results show close-to-spectroscopic accuracy for these forbidden lines.
Publiceringsår
2014
Språk
Engelska
Publikation/Tidskrift/Serie
Physical Review A (Atomic, Molecular and Optical Physics)
Volym
89
Issue
6
Dokumenttyp
Artikel i tidskrift
Förlag
American Physical Society
Ämne
- Astronomy, Astrophysics and Cosmology
- Condensed Matter Physics
Status
Published
ISBN/ISSN/Övrigt
- ISSN: 1050-2947