The permanent electric dipole moments and magnetic hyperfine interaction in the A2Π state of yttrium monosulfide

Timothy Steimle, Wilton Virgo

Research output: Contribution to journalArticle

6 Citations (Scopus)

Abstract

The optical Stark effect in the (0, 0) A2Π-X2Σ+ band systems of a yttrium monosulfide, YS, supersonic molecular beam sample have been analyzed to produce the magnitude of the permanent electric dipole moments, |μ|, for the A2Π3/2, and A2Π1/2 states of 5.9(2), and 6.8(1) D, respectively. Small splittings in the field free A2Π3/2-X2Σ+ and A2Π1/2-X2Σ+ spectra were analyzed to produce the magnetic hyperfine spectroscopic parameters a = -36(6), c = 111(7), and d = -107(6) MHz for the A2Π state. Transition frequencies of the low rotational lines in the (0, 0) A2Πr-X2Σ+ band system were measured and analyzed to produce the first complete set of the structure parameters for the A2Πr state. A comparison with YO and other isovalent molecules is made.

Original languageEnglish (US)
Pages (from-to)57-66
Number of pages10
JournalJournal of Molecular Spectroscopy
Volume221
Issue number1
DOIs
StatePublished - Sep 2003

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Electric dipole moments
Stark effect
Yttrium
Molecular beams
electric moments
yttrium
electric dipoles
dipole moments
Molecules
molecular beams
interactions
molecules

Keywords

  • Magnetic hyperfine spectroscopic parameters
  • Optical Stark effect
  • Permanent electric dipole moments

ASJC Scopus subject areas

  • Physical and Theoretical Chemistry
  • Spectroscopy
  • Atomic and Molecular Physics, and Optics

Cite this

The permanent electric dipole moments and magnetic hyperfine interaction in the A2Π state of yttrium monosulfide. / Steimle, Timothy; Virgo, Wilton.

In: Journal of Molecular Spectroscopy, Vol. 221, No. 1, 09.2003, p. 57-66.

Research output: Contribution to journalArticle

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abstract = "The optical Stark effect in the (0, 0) A2Π-X2Σ+ band systems of a yttrium monosulfide, YS, supersonic molecular beam sample have been analyzed to produce the magnitude of the permanent electric dipole moments, |μ|, for the A2Π3/2, and A2Π1/2 states of 5.9(2), and 6.8(1) D, respectively. Small splittings in the field free A2Π3/2-X2Σ+ and A2Π1/2-X2Σ+ spectra were analyzed to produce the magnetic hyperfine spectroscopic parameters a = -36(6), c = 111(7), and d = -107(6) MHz for the A2Π state. Transition frequencies of the low rotational lines in the (0, 0) A2Πr-X2Σ+ band system were measured and analyzed to produce the first complete set of the structure parameters for the A2Πr state. A comparison with YO and other isovalent molecules is made.",
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AB - The optical Stark effect in the (0, 0) A2Π-X2Σ+ band systems of a yttrium monosulfide, YS, supersonic molecular beam sample have been analyzed to produce the magnitude of the permanent electric dipole moments, |μ|, for the A2Π3/2, and A2Π1/2 states of 5.9(2), and 6.8(1) D, respectively. Small splittings in the field free A2Π3/2-X2Σ+ and A2Π1/2-X2Σ+ spectra were analyzed to produce the magnetic hyperfine spectroscopic parameters a = -36(6), c = 111(7), and d = -107(6) MHz for the A2Π state. Transition frequencies of the low rotational lines in the (0, 0) A2Πr-X2Σ+ band system were measured and analyzed to produce the first complete set of the structure parameters for the A2Πr state. A comparison with YO and other isovalent molecules is made.

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