ISSN:
1434-601X
Keywords:
PACS. 27.50.+e 59 ⩽ A ⩽ 89 – 23.40.-s Beta decay; double beta decay; electron and muon capture – 21.60.Cs Shell model – 21.60.-n Nuclear-structure models and methods
Source:
Springer Online Journal Archives 1860-2000
Topics:
Physics
Notes:
Abstract: The neutron-rich nuclei 23 60-63V have been produced at GANIL via interactions of a 61.8A·MeV 76Ge beam with a 58Ni target. Beta-decay to 24 60-63Cr has been investigated using combined β- and γ-ray spectroscopy. Half-lives of the 60-63V nuclei have been determined, and the existence of a beta-decay isomer in the 60V nucleus is strongly supported. The observation of low-energy 2+ states in 60Cr (646keV) and 62Cr (446keV) suggests that these isotopes are strongly deformed with β2 ∼ 0.3. This is confirmed by shell model calculations which show the dominant influence of the intruder g and d orbitals to obtain low 2+ energies in the neutron-rich Cr isotopes.
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1140/epja/i2002-10069-9
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