Energies, Transition Rates, Hyperfine Structures, and Landé gJ Factors for the Fine-structure Levels of the 2s22p2, 2s2p3, and 2p4 Configurations in Carbon-like Ions between F IV and Ni XXIII

• Energies, electric dipole, magnetic dipole, and electric quadrupole transition rates, hyperfine structures, and Landé g J factors from relativistic configuration interaction calculations are reported for the states of the (1s 2 )2s 2 2p 2 , 2s2p 3 , and 2p 4 configurations in all carbon-like ions between F IV and Ni XXIII. Valence, core-valence, and core-core correlation effects were accounted for through single/double-excitation-multireference expansions to increasing sets of active orbitals. The calculated energy levels generally agree within a few hundred cm -1 with the experimentally compiled results, and the Babushkin (length), and Coulomb (velocity) forms of transition rates agree within less than 1% for a majority of the allowed transitions.

Nyckelord

Carbon-like ion

Energy

Transition rate

Hyperfine structure

Lande factor

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