Abstract
Values of the level intervals in the ground configurations 2s 2 2p 2, 2s 2 2p 3 and 2s 2 2p 4 have been critically compiled from laboratory observations and from observations of nebular and coronal forbidden transitions. The data are represented within experimental errors by means of semi-empirical extrapolation formulae which contain from 3 to 5 adjusted parameters. The results provide means for checking laboratory and astrophysical identifications and measurements. Tables of ‘best’ level values are given for the configurations concerned.
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Edĺen, B. Z-dependence of the level intervals in 2s 2 2p 2, 2s 2 2p 3 and 2s 2 2p 4 . Sol Phys 24, 356–367 (1972). https://doi.org/10.1007/BF00153376
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DOI: https://doi.org/10.1007/BF00153376