Selective photoionisation of lutetium isotopes
| Autor: | Vladislav Ya. Panchenko, S. K. Kovalevich, V. P. Labozin, G. O. Tsvetkov, G. G. Shatalova, V. A. Firsov, S. M. Mironov, A. B. D’yachkov |
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| Rok vydání: | 2012 |
| Předmět: |
Materials science
Isotope chemistry.chemical_element Statistical and Nonlinear Physics Photoionization Atomic and Molecular Physics and Optics Lutetium Electronic Optical and Magnetic Materials chemistry Autoionization Isotopic shift Excited state Physics::Atomic Physics Electrical and Electronic Engineering Atomic physics Atomic vapor laser isotope separation Hyperfine structure |
| Zdroj: | Quantum Electronics. 42:953-956 |
| ISSN: | 1468-4799 1063-7818 |
| DOI: | 10.1070/qe2012v042n10abeh014929 |
| Popis: | A three-stage laser photoionisation scheme intended for enriching the 176Lu isotope from natural lutetium was considered. An investigation was made of the hyperfine structure of the second excited state 5d6s7s → 4D3/2 with an energy of 37194 cm-1 and the autoionisation state with an energy of 53375 cm-1 of the 176Lu and 175Lu isotopes. The total electron momentum of the autoionisation level and the constant A of hyperfine magnetic interaction were determined. Due to a small value of the isotopic shift between 176Lu and 175Lu, appreciable selectivity of their separation may be achieved with individual hyperfine structure components. The first tentative enrichment of the 176Lu isotope was performed to a concentration of 60 % — 70 %. |
| Databáze: | OpenAIRE |
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