Laser and radiofrequency spectroscopy of the 5d
4 6s
6
D multiplet in Ta I |
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Authors: | U Berzinsh M Gustafsson J Persson |
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Institution: | 1. Department of Spectroscopy, University of Latvia, 19 Rainis blvd, LV-1098, Riga, Latvia 2. Department of Physics, Chalmers University of Technology and University of G?teborg, S-41296, G?teborg, Sweden
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Abstract: | The hyperfine structure (hfs) of181Ta has been investigated using laser radio-frequency double resonance and high resolution laser spectroscopy on collimated atomic beams. The magnetic dipole and electric quadrupole hyperfine structure coupling constants of the 5d
4
6
s 6D
3/2, 5/2, 7/2, 9/2 metastable states have been determined using radio-frequency spectroscopy. In the 5d
4 6s
6
D
1/2 metastable state and the excited 5d
3 6s 6p
4
D
3/2,6
D
5/2, 9/2 as well as the unidentified 28 182.6 cm–1 and 30 021.2 cm–1 states, hfs constants have been obtained from high resolution laser spectroscopy. A radio-frequency converter has been developed in order to reach the frequency region 2.7–10 GHz. |
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Keywords: | PACS" target="_blank">PACS 35 10 F 32 30 B 32 30 J |
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