Observation of far-wing absorption bands of the Ba 6s2 1S0-5d6p 1P1 line broadened by rare gases

K. Ueda; H. Sotome; Y. Sato

doi:10.1063/1.460712

Observation of far-wing absorption bands of the Ba 6s² ¹S₀-5d6p ¹P₁ line broadened by rare gases

K. Ueda, H. Sotome, Y. Sato

Division of Measurements

Research output: Contribution to journal › Article › peer-review

13 Citations (Scopus)

Abstract

We have determined reduced absorption coefficients on far wings of the Ba 6s² ¹S₀-5d6p ¹P₁ line broadened by He, Ne, Ar, Kr, and Xe. Using the unified Franck-Condon theory, we analyzed the blue satellite band observed for each of the He, Ne, and Ar perturbers and obtained the position and the height of the extremum of the difference potential-energy curve to be 6.5 ± 1.5 A and 251 ± 4 cm^-1 for He, 7.6 ± 2 A and 114 ± 2 cm^-1 for Ne, and 7.4 ± 2 A and 70 ± 2 cm^-1 for Ar. We have also observed the collision-induced-dipole absorption bands associated with the Ba 6s² ¹S₀-6s7s ¹S₀ forbidden transition for all rare-gas perturbers.

Original language	English
Pages (from-to)	1903-1906
Number of pages	4
Journal	The Journal of Chemical Physics
Volume	94
Issue number	3
DOIs	https://doi.org/10.1063/1.460712
Publication status	Published - 1991 Jan 1

ASJC Scopus subject areas

Physics and Astronomy(all)
Physical and Theoretical Chemistry

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abstract = "We have determined reduced absorption coefficients on far wings of the Ba 6s2 1S0-5d6p 1P1 line broadened by He, Ne, Ar, Kr, and Xe. Using the unified Franck-Condon theory, we analyzed the blue satellite band observed for each of the He, Ne, and Ar perturbers and obtained the position and the height of the extremum of the difference potential-energy curve to be 6.5 ± 1.5 A and 251 ± 4 cm-1 for He, 7.6 ± 2 A and 114 ± 2 cm-1 for Ne, and 7.4 ± 2 A and 70 ± 2 cm-1 for Ar. We have also observed the collision-induced-dipole absorption bands associated with the Ba 6s2 1S0-6s7s 1S0 forbidden transition for all rare-gas perturbers.",

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AU - Ueda, K.

AU - Sotome, H.

AU - Sato, Y.

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N2 - We have determined reduced absorption coefficients on far wings of the Ba 6s2 1S0-5d6p 1P1 line broadened by He, Ne, Ar, Kr, and Xe. Using the unified Franck-Condon theory, we analyzed the blue satellite band observed for each of the He, Ne, and Ar perturbers and obtained the position and the height of the extremum of the difference potential-energy curve to be 6.5 ± 1.5 A and 251 ± 4 cm-1 for He, 7.6 ± 2 A and 114 ± 2 cm-1 for Ne, and 7.4 ± 2 A and 70 ± 2 cm-1 for Ar. We have also observed the collision-induced-dipole absorption bands associated with the Ba 6s2 1S0-6s7s 1S0 forbidden transition for all rare-gas perturbers.

AB - We have determined reduced absorption coefficients on far wings of the Ba 6s2 1S0-5d6p 1P1 line broadened by He, Ne, Ar, Kr, and Xe. Using the unified Franck-Condon theory, we analyzed the blue satellite band observed for each of the He, Ne, and Ar perturbers and obtained the position and the height of the extremum of the difference potential-energy curve to be 6.5 ± 1.5 A and 251 ± 4 cm-1 for He, 7.6 ± 2 A and 114 ± 2 cm-1 for Ne, and 7.4 ± 2 A and 70 ± 2 cm-1 for Ar. We have also observed the collision-induced-dipole absorption bands associated with the Ba 6s2 1S0-6s7s 1S0 forbidden transition for all rare-gas perturbers.

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