Pressure broadening of the oxygen λ5577 Å line by rare gas |
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Authors: | RS Howard CH Dugan |
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Institution: | Centre for Research in Experimental Space Science, York University, Downsview, Ontario M3J1P3, Canada |
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Abstract: | We report on measurements of collision broadening of the electric quadrupole transition λ5577.35 Å in oxygen by argon, krypton and xenon. The broadening constant (linewidth added per unit atom density) was found to be: (4.3 ± 2.3) × 10-21 cm-1 atom-1 cm3 for argon (reported earlier), (8.0 ± 1.7) × 10-21 cm-1 atom-1 cm3 for krypton, and (10.0 ± 2.0) × 10-21 cm-1 atom-1 cm3 for xenon. We discuss some experimental problems associated with these measurements. |
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