Abstract
Oscillator strengths between various doublet states of O(II) ions are calculated with extensive use of multi-configuration wave functions. The lower levels for the transition are in the 2 p 3 2 D 0 and 2 p 3 2 P 0 states, and the upper levels are 2 p 4, 3 s, and 3 d states. The results, which are estimated to have errors of less than 10% for individual transitions, agree quite well with beam-foil experiments, as well as with calculations made by the use of the non-closed-shell many-electron theory (NCMET). The present ratios of transition probabilities are estimated to have errors of less than 20%. A comparison with recent branching ratio measurements indicates that agreement between theory and experiment is within the overlap of the error bars except for the 538 581 Å pair. Agreement with rocket measurements is only within the overlap of the error bars for the 718 797 Å pair.
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