CHINESE JOURNAL OF PHYSICS VOL. 38, NO. 5 OCTOBER 2000

Fine Structure Splittings in S-Like Ions

Hsiang-Shun Chou

Institute of Optoelectronic Sciences, National Taiwan Ocean University,

Keelung, Taiwan 202, R.O.C.
(Received January 5, 2000)

The fine structure splittings in the (3s²3p⁴)³P and (3s3p⁵)³P^o terms of the S-like ions are calculated by using the multiconfiguration Dirac-Fock (MCDF) method. The subtraction of the spurious nonrelativistic contributions substantially improves the agreement of the theoretical results with experiment.

PACS. 32.10.Fn - Fine and hyperfine structure.
PACS. 31.30.Jv $\;$- Relativistic and quantum electrodynamic effects in atoms and molecules.
PACS. 31.15.Ne - Self-consistent-field methods.

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