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New Results of the Unresolved Transition Arrays Method

Published online by Cambridge University Press:  12 April 2016

M. Klapisch ,
A. Krasnitz ,
P. Mandelbaum ,
C. Bauche-Arnoult  and
J. Bauche
M. Klapisch
Affiliation:
Racah Institute of Physics, Hebrew University Jerusalem 91904
A. Krasnitz
Affiliation:
Racah Institute of Physics, Hebrew University Jerusalem 91904
P. Mandelbaum
Affiliation:
Racah Institute of Physics, Hebrew University Jerusalem 91904
C. Bauche-Arnoult
Affiliation:
Lab.-Aime Cotton 91405 Orsay
J. Bauche
Affiliation:
Lab.-Aime Cotton 91405 Orsay

Extract

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The formulas for mean wavelengths and widths of Unresolved Transition Arrays (UTA)[1,2], have been extended to include spectator electrons and jj transitions. These were used to interpret several sorts of satellite spectra, e.g., 3d10 nℓq− −3d94fnq transitions in atoms Tm thru W from laser produced plasmas, and 3dm4s − 3dm−1 4p4s in Mo and Pd spectra. The Unresolved Character of the UTA will be discussed thanks to an evaluation of the number of lines in the array. This will be applied to 4d-4f transitions in Ionized Rare Earths.

Type
Session 4. Theoretical Spectroscopy
Information
International Astronomical Union Colloquium , Volume 86: Eighth International Colloquium on Ultraviolet and X-ray Spectroscopy of Astrophysical and Laboratory Plasmas , 1984 , pp. 114
Copyright
Copyright © Naval Research Laboratory 1984. Publication courtesy of the Naval Research Laboratory, Washington, DC.

References

(1.) Bauche-Arnoult, C., Bauche, J. and Klapisch, M., Phys. Rev. A 20, 2424 (1979) and Phys. Rev. A 25, 2641 (1982).CrossRefGoogle Scholar
(2.) Klapisch, M., Meroz, E., Mandelbaum, P., Zigler, A., Bauche-Arnoult, C. and Bauche, J., Phys. Rev. A 25, 2391 (1982).CrossRefGoogle Scholar