Van der Waals broadening of argon absorption lines |
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| Authors: | CS Lee DM Camm GH Copley |
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| Institution: | Department of Physics, University of British Columbia, Vancouver, Canada;Institute of Astronomy and Space Science, University of British Columbia, Vancouver, Canada |
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| Abstract: | Van der Waals broadening coefficients for Ar absorption lines have been measured using the resonant Faraday effect. These coefficients have the values of 2·9 ± 0·8, 2·4 ± 0·3, 1·9 ± 0·2 (in units of 10?20 cm?1 ?cm?3) for the lines 6965 Å, 7067 Å, 7635 Å and 8115 Å, respectively, respectively. The measured coefficients are in reasonable agreement with measurements carried out on Ar emission lines and with theoretical calculations. |
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