Multiconfiguration Dirac-Fock calculations have been carried out in the Extended Optimal Level (EOL) scheme on the energies, transition probabilities and weighted absorption oscillator strengths of intercombination lines of highly ionized argon. The calculations have been carried out in intermediate coupling with empty K shell, varying degrees of ionization in the L shell and open outer shells. The radiative transition rates have been calculated in both length and velocity gauges and an analysis on the accuracy of the orbital functions used in this work has been attempted by comparing the length form and velocity form transition rates.
Multi-configuration Dirac-Fock and relativistic configuration-interaction
calculations with the inclusion of the Breit
interaction, quantum electrodynamics and
finite nuclear mass corrections have been
carried out in the extended optimal level
(EOL) scheme on the energy levels, electric
dipole transition rates, oscillator
strengths and radiative lifetimes of
Ar17+ to Ar10+ ions. The
calculations have been performed in JJ coupling with an empty K shell, open
outer shells and varying degrees of
ionization in the L shell. The effects of a
transverse Breit interaction, finite
nuclear mass corrections and quantum
electrodynamics on the energy levels and
radiative transition rates are analysed.
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