Present State of Analysis of the First Spectrum of Thorium (Th i)
- 1 September 1968
- journal article
- Published by Optica Publishing Group in Journal of the Optical Society of America
- Vol. 58 (9), 1195-1199
- https://doi.org/10.1364/josa.58.001195
Abstract
To date 268 even and 255 odd atomic energy levels in Th i have been found. The lowest level of the configuration 5f 6d 7s2 is 3H40 and lies 7795.27 cm−1 above the ground level 3F2 of 6d2 7s2. Some levels of 5f 6d2 7s and 6d2 7s 7p are identified.Keywords
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