| Interplay between single-particle and collective effects in the odd-A Cu isotopes beyond N=40. | |
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MedLine Citation:
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PMID: 18517779 Owner: NLM Status: PubMed-not-MEDLINE |
Abstract/OtherAbstract:
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Collective properties of the low-lying levels in the odd-A 67-73Cu were investigated by Coulomb excitation with radioactive beams. The beams were produced at ISOLDE and postaccelerated by REX-ISOLDE up to 2.99 MeV/u. In 67,69Cu, low-lying 1/2(-), 5/2(-), and 7/2(-) states were populated. In 71,73Cu, besides the known transitions deexciting the single-particle-like 5/2(-) and core-coupled 7/2(-) levels, gamma rays of 454 and 135 keV, respectively, were observed for the first time. Based on a reanalysis of beta-decay work and comparison with the systematics, a spin 1/2(-) is suggested for these excited states. Three B(E2) values were determined in each of the four isotopes. The results indicate a significant change in the structure of the odd-A Cu isotopes beyond N=40 where single-particle-like and collective levels are suggested to coexist at very low excitation energies. |
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Authors:
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I Stefanescu; G Georgiev; D L Balabanski; N Blasi; A Blazhev; N Bree; J Cederkäll; T E Cocolios; T Davinson; J Diriken; J Eberth; A Ekström; D Fedorov; V N Fedosseev; L M Fraile; S Franchoo; K Gladnishki; M Huyse; O Ivanov; V Ivanov; J Iwanicki; J Jolie; T Konstantinopoulos; Th Kröll; R Krücken; U Köster; A Lagoyannis; G Lo Bianco; P Maierbeck; B A Marsh; P Napiorkowski; N Patronis; D Pauwels; G Rainovski; P Reiter; K Riisager; M Seliverstov; G Sletten; J Van de Walle; P Van Duppen; D Voulot; N Warr; F Wenander; K Wrzosek |
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Publication Detail:
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Type: Journal Article; Research Support, Non-U.S. Gov't Date: 2008-03-21 |
Journal Detail:
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Title: Physical review letters Volume: 100 ISSN: 0031-9007 ISO Abbreviation: Phys. Rev. Lett. Publication Date: 2008 Mar |
Date Detail:
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Created Date: 2008-06-03 Completed Date: 2008-06-19 Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 0401141 Medline TA: Phys Rev Lett Country: United States |
Other Details:
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Languages: eng Pagination: 112502 Citation Subset: - |
Affiliation:
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Instituut voor Kern- en Stralingsfysica, K.U. Leuven, Celestijnenlaan 200D, B-3001 Leuven, Belgium. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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