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Global characteristics of atomic spectra and their use for the analysis of spectra. I. Energy level spectra
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Global characteristics of atomic spectra and their use for the analysis of spectra. I. Energy level spectra

Author: S Kučas Affiliation: Institute of Theoretical Physics and Astronomy, A. Goštauto 12, 2600, Vilnius, Lithuania; R Karazija
Edition/Format: Article Article : English
Publication:Physica Scripta, v47 n6 (1993): 754-764
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Document Type: Article
All Authors / Contributors: S Kučas Affiliation: Institute of Theoretical Physics and Astronomy, A. Goštauto 12, 2600, Vilnius, Lithuania; R Karazija
ISSN:1402-4896
Language Note: English
Unique Identifier: 4843856741
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Abstract:

The calculation of global or mean characteristics - variance, skewness and excess - of energy level spectrum, using their explicit expressions, is described. The usefulness of these characteristics for the estimation of accuracy of approximation and configuration mixing effects, for the investigation of spectral regularities and the influence of various interactions on the structure of spectra is illustrated by comparing the results obtained theoretically and from experimental spectra for nd N, 4f N, 4d 94f N, 4p2 + 4s4d configurations in various atoms and ions. The correspondence of the atomic state distribution to the normal distribution is considered when the number of levels increases in the complex configurations of Tc and Eu ions.

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