Title

Ab initio lifetimes, Landé g-values and hyperfine structure for Ta II states

Document Type

Article

Publication Date

6-14-2001

Abstract

Ab initio Dirac-Coulomb (Breit) configuration-interaction calculations have been done for the lowest four (8, 12) J = 0 (J = 1, 2) (5d+6s)4 states and the lowest 12 (5d+6s)36p J = 1 states of Ta II. Nearly 20 000 basis functions were used for each state. Energy differences, magnetic dipole hyperfine constants and Landé g-values were calculated, and are in good agreement with available experiment. Lifetimes and branching ratios were calculated for the odd-parity levels, and agree well with experiment, except in one case.

Publication Title

Journal of Physics B: Atomic, Molecular and Optical Physics

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