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- Title
A Study of γ Decays and Octupole Bands in [sup 21]Ne and [sup 21]Na.
- Authors
Thummerer, S.; von Oertzen, W.; Kokalova, Tz.; Bohlen, H.G.; Gebauer, B.; Tumino, A.; Massey, T.N.; de Angelis, G.; Axiotis, M.; Gadea, A.; Kröll, Th.; Marginean, N.; Napoli, D.R.; De Poli, M.; Ur, C.; Bazzacco, D.; Lenzi, S.M.; Alvarez, C. Rossi; Lunardi, S.
- Abstract
The reactions [sup 16]O([sup 7]Li, 2n) and [sup 16]O([sup 7]Li, np) populating [sup 21]Na and [sup 21]Ne have been studied at E[sub L]=27 MeV using the GASP γ-detector array. The level schemes for [sup 21]Na and [sup 21]Ne have been extended to higher spin. The population of the bands with K=3/2 and 1/2, forming parity doublets, are compared. Preferential E1 decay between bands of opposite parity is observed in agreement with the octupole scenario. The structure of these bands can be interpreted as consisting of an instrinsic asymmetric ([sup 4]He+[sup 16]O) structure with octupole deformation.© 2003 MAIK “Nauka / Interperiodica”.
- Subjects
RADIOACTIVE decay; SODIUM; NEON
- Publication
Physics of Atomic Nuclei, 2003, Vol 66, Issue 8, p1428
- ISSN
1063-7788
- Publication type
Article
- DOI
10.1134/1.1601745