Journal ArticleDOI
5s2 5p3 (4S)nl Levels of Xe III
M. Gallardo,C. A. Massone,C. A. Massone,A. A. Tagliaferri,A. A. Tagliaferri,Mario Garavaglia,W Persson +6 more
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TLDR
In this article, the ionization energy has been determined from isoelectronic comparisons and the value arrived at, 250 400 ± 300 cm-1, is some 9000 cm 1 lower than the presently accepted value.Abstract:
Analysis of recent observations of the Xe III spectrum has yielded revised and extended identifications for the 5s25p3(4S)6s, 7s, 6p, 5d, 6d and 4f levels. Four of the previously known twenty-two levels have been rejected whereas sixteen new levels have been added. The ionization energy has been determined from isoelectronic comparisons. The value arrived at, 250 400 ± 300 cm-1, is some 9000 cm-1 lower than the presently accepted value.read more
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Complex atomic spectra
TL;DR: The long history of the theory of complex atomic spectra is reviewed in this article from the period of the 1930s, when quantum mechanics was rapidly applied to solve a variety of problems, to the present day, when, at a single stroke, elaborate computer programs are used to fit many hundreds of atomic energy levels to theoretical models.
Journal ArticleDOI
Spectrum of doubly ionized xenon (Xe III)
W. Persson,C. G. Wahlström,G. Bertuccelli,H. O. Di Rocco,J. G. Reyna Almandos,Mario Gallardo +5 more
TL;DR: In this paper, the spectrum of doubly ionized xenon has been investigated using photographic recordings of Xenon spectra in the 490-8900 A range and the number of classified lines has been increased from about 300 to about 1400.
Journal ArticleDOI
Revised Analysis of the 5p4 Ground Configuration of Two-Times Ionized Xe (Xe III) and Reevaluation of Transition Probabilities for Forbidden Lines within this Configuration
Jørgen E. Hansen,Willy Persson +1 more
TL;DR: In this article, the 1S0 level in the 5p4 ground configuration of Xe III has been revised and the eigenvectors used to calculate transition probabilities for magnetic dipole as well as electric quadrupole transitions within the ground configuration were derived.
Journal ArticleDOI
Stark broadening of spectral lines of homologous, doubly-ionized inert gases
N. Konjević,T.L. Pittman +1 more
TL;DR: In this paper, the average ratio between experimental and theoretical values is 1.06, with a maximum deviation not exceeding ±20% for the Ar III lines in the homologous, doubly ionized atoms of inert gases.
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5s 2 5p 4 –5s5p 5 transitions in Cs iv, Ba v, and La vi
TL;DR: In this article, the 5s25p4-5s5p5 transitions of Cs iv, Ba v, and La vi were observed with a sliding spark discharge and a 10.7m normal-incidence spectrograph.
References
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The Theory of Atomic Spectra
Edward U. Condon,G. H. Shortley +1 more
TL;DR: In this paper, the quantum mechanical method is applied to the theory of complex spectra and the Russell-Saunders case is used to obtain the energy levels of one-electron spectra.
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The Theory of Atomic Spectra
Edward U. Condon,G. H. Shortley +1 more
TL;DR: In this paper, the quantum mechanical method is applied to the theory of complex spectra and the Russell-Saunders case is used to obtain the energy levels of one-electron spectra.
Journal ArticleDOI
The Spectrum of Singly Ionized Atomic Iodine (I ii).
TL;DR: The I ii spectrum has been excited in electrodeless lamps and photographed from 655 A to 11084 A, and the principal ionization energy for I ii has been derived.
Journal ArticleDOI
4s 2 4p 4 and 4s 4p 5 configurations in Rb iv and Sr v
Jørgen E. Hansen,Willy Persson +1 more
TL;DR: In this article, energy levels in the spectra of Rb iv and Sr v, belonging to the 4s24p4 and 4s 4p5 configurations, are reported for the first time.