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Titolo:
The multi-configuration Dirac-Fock calculation of the low-lying levels of Sm
Autore:
Dilip, A; Endo, I; Fukumi, A; Iinuma, M; Kondo, T; Takahashi, T;
Indirizzi:
Hiroshima Univ, Grad Sch Adv Sci Matter, Higashihiroshima 7398526, Japan Hiroshima Univ Higashihiroshima Japan 7398526 hihiroshima 7398526, Japan Hiroshima Univ, Dept Phys, Higashihiroshima 7398526, Japan Hiroshima UnivHigashihiroshima Japan 7398526 hihiroshima 7398526, Japan
Titolo Testata:
EUROPEAN PHYSICAL JOURNAL D
fascicolo: 3, volume: 14, anno: 2001,
pagine: 271 - 277
SICI:
1434-6060(200106)14:3<271:TMDCOT>2.0.ZU;2-M
Fonte:
ISI
Lingua:
ENG
Soggetto:
RARE-EARTH ATOMS; PARITY NONCONSERVATION; STANDARD MODEL; ANAPOLE MOMENT; CESIUM; TRANSITION;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Physical, Chemical & Earth Sciences
Citazioni:
24
Recensione:
Indirizzi per estratti:
Indirizzo: Dilip, A Hiroshima Univ, Grad Sch Adv Sci Matter, Higashihiroshima 7398526, Japan Hiroshima Univ Higashihiroshima Japan 7398526 ma 7398526, Japan
Citazione:
A. Dilip et al., "The multi-configuration Dirac-Fock calculation of the low-lying levels of Sm", EUR PHY J D, 14(3), 2001, pp. 271-277

Abstract

The excitation energies and hyper-fine structure constants of the low-lying levels of Sm atom are calculated using the multi-configuration Dirac-Fock(MCDF) method. The results show that the excitation energies of the groundstate multiplets can be calculated accurately using a small orbital set but the higher levels need larger orbital sets. Similar inference can also bedrawn from the discrepancy between the calculated values of the hyper-fineconstants and the experimental data. A sequence of MCDF calculation demonstrates the effect of the MCDF potential on the orbitals. Among the rare earth atoms Sm is a promising candidate for discrete symmetry violation experiments in atoms. This makes accurate theoretical calculations necessary since parameters in particle physics can be derived by combining the experimental results with the theoretical results. And these could be a probe for thephysics beyond the standard model.

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Documento generato il 12/07/20 alle ore 06:38:37