Abstract
The hyperfine structure of 11 Os I-lines in the violet and ultraviolet spectral range was investigated by a digital recording Fabry Perot spectrometer. An enriched sample of Os189 was used in the hollow cathode light source. The recorded structures were analyzed on a computer. The quadrupole coupling constants of the states 5d 66s 2 5 D 2,5 D 3,5 D 4 and 5d 76s 5 F 5 or linear combinations of these coupling constants were deduced from the measurements. With these results the nuclear quadrupole moment of Os189 was determined to beQ(Os189)=(0.91 ± 0.10) · 10−24 cm2. This was done using the eigenfunctions ofGluck, Bordarier, Bauche andVan Kleef, which have been calculated for intermediate coupling considering configuration interaction.
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Herrn Professor Dr. A.Steudel danke ich vielmals für seine Anregung zu dieser Arbeit und für sein förderndes Interesse an ihrem Fortgang.
Frau Dr. Cl.Bauche danke ich für die freundliche Mitteilung ihrer Rechnungen zur Hyperfeinstruktur des Osmiums.
Der Deutschen Forschungsgemeinschaft sei auch an dieser Stelle für die Bereitstellung von Geräten gedankt.
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Himmel, G. Das Kernquadrupolelement des Os189 . Z. Physik 211, 68–88 (1968). https://doi.org/10.1007/BF01421340
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DOI: https://doi.org/10.1007/BF01421340