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  • Articles  (2)
  • 21.60.Ev  (1)
  • 27.70 + q  (1)
  • Springer  (2)
  • 1
    ISSN: 1434-601X
    Keywords: 23.20.Lv ; 21.60.Ev ; 23.20.−g
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract A band with a rotational pattern based on a state at 585.1 keV has been identified in theN=59 neutron-rich nucleus97Sr. Its properties lead to the [422] 3/2 Nilsson-orbital assignment for the band head. There is evidence for a second band with the head at 644.7 keV and the configuration [541] 3/2. Since the ground state and the lowest excited levels are spherical, shape coexistence is established for97Sr. A deformed nature of several levels at 500–600 keV results also from QRPA-model calculations. The structure of the low-lying spherical levels has been studied in the frame of the IBF model. The results of the present investigations lead to a better understanding of theN=59 isotones which constitute the link between the spherical and deformed nuclei atA∼100 as a species with shape coexistence but without any indications of particular softness.
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    Springer
    The European physical journal 327 (1987), S. 163-170 
    ISSN: 1434-601X
    Keywords: 23.20.Lv ; 27.60 + j ; 27.70 + q
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract A refined technique is presented to project rotational bands observed in the well studiedZ≧60 rare-earth region into the region of stable ground-state deformation atA ∼-100 with corresponding neutron numbers ofN ≧60. With this procedure, estimates of properties of so far unknown nuclei in the A∼-100 region can be obtained. As an illustration, isotopes aroundN=64 are discussed within this projection method and within the frame-work of the recent quartet model.
    Type of Medium: Electronic Resource
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