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High-resolution FTIR measurement of the line parameters in the fundamental band of HI

✍ Scribed by M.O. Bulanin; A.V. Domanskaya; K. Kerl

Publisher
Elsevier Science
Year
2003
Tongue
English
Weight
156 KB
Volume
218
Category
Article
ISSN
0022-2852

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✦ Synopsis

The linestrengths and self-broadening coefficients are determined from high-resolution measurements for P Γ°1Þ-P Γ°10Þ and RΓ°0Þ-RΓ°15Þ lines in the fundamental vibration-rotation band of hydrogen iodide at different gas pressures in the range of 2-280 Torr. Dipole matrix elements are calculated from the linestrength data. New values of the Herman-Wallis coefficients obtained, C 10 ΒΌ 0:1319, D 10 ΒΌ 4:41 Γ‚ 10 Γ€3 , are in a better agreement with theory than previously reported. A significant influence of the hyperfine splitting on the spectral line profiles is demonstrated.

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