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Systematic trends in the line strengths of E1 transitions in the carbon isoelectronic sequence

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Zeitschrift für Physik D Atoms, Molecules and Clusters

Abstract

Line strengthsS for the dipole allowed transitions within then=2 complex of the carbon isoelectronic sequence have been fitted in the formZ 2 S=A+B/(ZC), whereZ is the nuclear charge of a particular ion. The constantsA,B andC are determined by using a non-linear least square method. The data forS is taken from the configuration interaction calculations which included internal, semi-internal and all external type correlations for ions in the rangeZ=8−26. It is shown that the values ofA obtained from the fit for all the transitions are in excellent accord with the ab-initio values obtained in the hydrogenic limitZ→∞ provided near degeneracy effects are included.

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Baluja, K.L., Agrawal, A. Systematic trends in the line strengths of E1 transitions in the carbon isoelectronic sequence. Z Phys D - Atoms, Molecules and Clusters 33, 11–15 (1995). https://doi.org/10.1007/BF01437087

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  • DOI: https://doi.org/10.1007/BF01437087

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