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Prolate-Spherical Shape Coexistence at N=28 in S-44

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    SYSNO ASEP0347718
    Document TypeJ - Journal Article
    R&D Document TypeJournal Article
    Subsidiary JČlánek ve WOS
    TitleProlate-Spherical Shape Coexistence at N=28 in S-44
    Author(s) Force, C. (FR)
    Grévy, S. (FR)
    Gaudefroy, L. (FR)
    Sorlin, O. (FR)
    Caceres, L. (FR)
    Rotaru, F. (RO)
    Mrázek, Jaromír (UJF-V) RID, ORCID, SAI
    Achouri, N. L. (FR)
    Angelique, J. C. (FR)
    Azaiez, F. (FR)
    Bastin, B. (FR)
    Borcea, R. (RO)
    Buta, A. (RO)
    Daugas, J. M. (FR)
    Dlouhý, Zdeněk (UJF-V)
    Dombradi, Z. (HU)
    De Oliveira, F. (FR)
    Negoita, F. (FR)
    Peniozhkevich, Y. (RU)
    Saint-Laurent, M. G. (FR)
    Sohler, D. (HU)
    Stanoiu, M. (RO)
    Stefan, I. (FR)
    Stodel, C. (FR)
    Nowacki, F. (FR)
    Source TitlePhysical Review Letters. - : American Physical Society - ISSN 0031-9007
    Roč. 105, č. 10 (2010), 102501/1-102501/4
    Number of pages4 s.
    Languageeng - English
    CountryUS - United States
    KeywordsELECTRIC-MONOPOLE TRANSITIONS ; SHELL CLOSURE ; O-2(+) STATE
    Subject RIVBG - Nuclear, Atomic and Molecular Physics, Colliders
    CEZAV0Z10480505 - UJF-V (2005-2011)
    UT WOS000281452000005
    DOI10.1103/PhysRevLett.105.102501
    AnnotationThe structure of S-44 has been studied by using delayed gamma and electron spectroscopy. The decay rates of the 0(2)(+) isomeric state to the 2(1)(+) and 0(1)(+) states, measured for the first time, lead to a reduced transition probability B(E2: 2(1)(+) --> 0(2)(+)) = 8.4(26) e(2) fm(4) and a monopole strength rho(2)(E0: 0(2)(+) --> 0(1)(+)) = 8.7(7) x 10(-3). Comparisons to shell model calculations point towards prolate-spherical shape coexistence, and a two-level mixing model is used to extract a weak mixing between the two configurations.
    WorkplaceNuclear Physics Institute
    ContactMarkéta Sommerová, sommerova@ujf.cas.cz, Tel.: 266 173 228
    Year of Publishing2011
Number of the records: 1  

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