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Journal of the Optical Society of America B

Journal of the Optical Society of America B

| OPTICAL PHYSICS

  • Vol. 18, Iss. 1 — Jan. 1, 2001
  • pp: 113–120

Analysis of seven-times-ionized barium: Ba viii

S. S. Churilov, Y. N. Joshi, and R. Gayasov  »View Author Affiliations


JOSA B, Vol. 18, Issue 1, pp. 113-120 (2001)
http://dx.doi.org/10.1364/JOSAB.18.000113


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Abstract

The spectrum of barium was recorded in the 250–1240-Å region on a variety of spectrographs. The sources used were a conventional triggered spark and a laser-produced plasma. The spectrum of seven-times ionized barium was investigated. Eight of thirteen levels reported earlier were confirmed. In the present analysis we have established a total of 74 levels, 66 of them new, belonging to the 5s25p,5s24f,5p3,5s5p5d,5s26p,5s25f, and 5s5p6s configurations in the odd-parity system and to the 5s5p2,5s25d,5s5p4f, and 5s26s configurations in the even-parity system. We carried out least-squares fitted and Hartree–Fock calculations to interpret the spectrum satisfactorily. One hundred thirty-nine lines have been classified in this spectrum, of which one hundred thirty are newly classified lines.

© 2001 Optical Society of America

OCIS Codes
(300.2140) Spectroscopy : Emission
(300.6170) Spectroscopy : Spectra
(300.6210) Spectroscopy : Spectroscopy, atomic
(300.6540) Spectroscopy : Spectroscopy, ultraviolet

Citation
S. S. Churilov, Y. N. Joshi, and R. Gayasov, "Analysis of seven-times-ionized barium: Ba VIII," J. Opt. Soc. Am. B 18, 113-120 (2001)
http://www.opticsinfobase.org/josab/abstract.cfm?URI=josab-18-1-113

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