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Spectroscopy at the N=20 shell closure: the beta-decay of Mg-32

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    0101904 - UJF-V 20043107 RIV NL eng J - Journal Article
    Grévy, S. - Pietri, S. - Achouri, N. L. - Dlouhý, Zdeněk - Mrázek, Jaromír
    Spectroscopy at the N=20 shell closure: the beta-decay of Mg-32.
    [Spektroskopie u slupky N=20: beta-rozpad 32Mg.]
    Nuclear Physics. A. Roč. 734, č. 5 (2004), s. 369-373. ISSN 0375-9474. E-ISSN 1873-1554
    R&D Projects: GA AV ČR IAA1048102
    Institutional research plan: CEZ:AV0Z1048901
    Keywords : neutron-rich sodium * isotopes * nuclei
    Subject RIV: BG - Nuclear, Atomic and Molecular Physics, Colliders
    Impact factor: 2.108, year: 2004

    The shell closure N=20 has been studied by beta-decay spectroscopy experiment performed at the GANIL facility. The experimental setup is described and first results on the beta-decay of Mg-32 are presented. The extracted level scheme of Al-32 is compared to Shell Model calculations and discussed in the light of the structural changes observed for the nuclei of the so-called island of inversion. Finally, neutron time-of-flight spectrum from the beta-delayed neutron decay of Mg-32 is presented

    Vlastnosti jader v blízkosti slupky N=20 byly studovány pomocí beta-rozpadu. Schema vzbuzených stavů 32Al je srovnáno s předpovědmi slupkového modelu.
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