Determination of the Rydberg Constant from the He II(469-nm) Line Complex
- 1 February 1973
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review A
- Vol. 7 (2), 408-415
- https://doi.org/10.1103/physreva.7.408
Abstract
The Rydberg constant has been determined from absolute wavelength measurements on two fine-structure components of the He II transition. The He II transition was excited in a liquid-nitrogen-cooled hollow cathode. A pressure-scanned Fabry-Perot spectrometer was used to compare the He II wavelengths with a standard source. The measured value of the Rydberg is , where the uncertainty is one standard deviation.
Keywords
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