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Experimental investigation of the line center of Hg intercombination spectral line 253.7 nm perturbed by Kr |
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| Authors: | G.D. Roston Z.F. Ghatass |
| Affiliation: | aPhysics Department, Faculty of Science, Alexandria University, P.O. Box 21511, Alexandria, Egypt;bDepartment of Environmental Studies, Institute of Graduate Studies and Research, Alexandria University, 163 Horrya Avenue, P.O. 832 Shatby, Alexandria, Egypt |
| Abstract: | The collision broadening and shift of the Hg intercombination spectral line 253.7 nm (61S0–63P1) perturbed by Kr has been investigated using a high-resolution scanning Fabry–Perot interferometer. The values of the pressure broadening and shift coefficients β and δ, respectively, for the studied line have been obtained. The obtained coefficients β and δ are compared with their corresponding published experimental values and also those calculated using Lindholm–Foley impact theory. |
| Keywords: | Pressure broadening and shift of atomic spectral lines Pressure broadening and shift coefficients Interatomic potentials Spectral line shape Hg– Kr interaction |
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