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Optical oscillator strengths of noble-gas resonance transitions in the vacuum-ultraviolet region

Ligtenburg, R.C.G. and van der Burgt, P.J.M. and Renwick, S.P. and Westerveld, W.B. and Risley, J.S. (1994) Optical oscillator strengths of noble-gas resonance transitions in the vacuum-ultraviolet region. Physical Review A, 49 (4). pp. 2363-2380. ISSN 1050-2947

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Abstract

We report the results of an accurate measurement of the optical oscillator strengths of the prominent resonance lines of He, Ne, Ar, and Kr in the vacuum-ultraviolet region based on the absorption of resonance radiation. The transmission of this radiation through a layer of gas of finite thickness is measured as a function of the number density of the gas. The transmission function is fitted to this data to obtain the absorption oscillator strength. The accuracy of the present measurements ranges from 2.5% to 4%. The results are as follows: He i (58.4 nm), 0.2683±0.0075 (2.8%); He i (5.37 nm), 0.0717±0.0024 (3.4%); Ne i (74.4 nm), 0.010 17±0.000 30 (2.9%); Ne i (73.6 nm), 0.1369±0.0035 (2.6%); Ar i (106.7 nm), 0.0616±0.0021 (3.4%); Ar i (104.8 nm), 0.2297±0.0093 (4.0%); Kr i (123.6 nm), 0.1751±0.0049 (2.8%); Kr i (116.5 nm), 0.1496±0.0038 (2.5%).

Item Type: Article
Keywords: Optical oscillator strengths; noble-gas resonance transitions; vacuum-ultraviolet region;
Subjects: Science & Engineering > Experimental Physics
Item ID: 2089
Depositing User: Dr Peter van der Burgt
Date Deposited: 17 Aug 2010 15:37
Journal or Publication Title: Physical Review A
Publisher: American Physical Society
Refereed: Yes
URI:

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