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An MCDF-EAL calculation on the 1s2s2p 2 , 1s 2 2s2p and 1s2p 3 states in the beryllium isoelectronic sequence has been used to predict fine structures and transition wavelengths for atomic numbers in the range 4<Z<20. The authors report improved agreement for the 5 P- 5 S transition wavelengths with experiment in C III, N IV and O V by comparison with previous MCDF-OL calculations.
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Hata et al. (1983) studied this question.
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