ENERGY LEVELS AND ISOTOPE SHIFTS OF TERMS FOR EXCITED STATES OF ATOMIC SPECIES OF HELIUM TYPE.
AMERICAN METEOROLOGICAL SOCIETY BOSTON MASS
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The energy levels of excited states of the helium-like atomic species from He to O6, the mass effect and relativistic corrections to the energies of several levels, and isotope shifts of terms are determined on the basis of analytic orbitals. The multiconfiguration approximation is applied to the S terms with n 2, 3, and the effectiveness of this technique of refinement of an orbital is examined in the determination of the aforementioned quantities. The theoretical data are compared with the available experimental data and with the analogous data of other authors. Some ideas about the accuracy of these data are presented. Author
- Atomic and Molecular Physics and Spectroscopy
- Quantum Theory and Relativity