Experimental Study of Balmer-α Stark Broadening
Open Access
- 1 February 1979
- journal article
- Published by Walter de Gruyter GmbH in Zeitschrift für Naturforschung A
- Vol. 34 (2) , 188-191
- https://doi.org/10.1515/zna-1979-0210
Abstract
The Stark-broadened line profiles of Hα and Dα have been measured in a wall stabilized argon arc at an electron density of ne = 1.4 × 1016 cm-3. Consistent with earlier experiments the obtained line profiles exhibit severe discrepancies to theoretical profiles based on the approximation of static ions and the line profiles were found to depend on the mass of the radiating atom. The measured half width of Dα is about 15% smaller than the Hα-value. Recent calculations based on the “Model Microfield Method” greatly improve agreement with experimentKeywords
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