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  • 1980-1984  (4)
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Year
  • 1
    Electronic Resource
    Electronic Resource
    High-spin two-quasiparticle bands in76Br (1982)
    Springer
    The European physical journal 305 (1982), S. 365-366 
    Details
    ISSN: 1434-601X
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract Excited states of the doubly-odd nucleus V6Br have been studied with in-beam γ-ray spectroscopy techniques. In addition to the positive parity band that has been extended up to I=(13) a Iπ=4− isomer (T1/2=0.5±0.2 ns) and two bands of negative parity have been identified. The bands are discussed in terms of two-quasiparticle configurations. For the band built on the 4− isomer the configuration πg9/2⊗νf5/2 or p3/2 is proposed.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01419087
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Evidence for non-axial shapes in81, 82, 83Kr (1983)
    Springer
    The European physical journal 313 (1983), S. 367-368 
    Details
    ISSN: 1434-601X
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract Excitations up to I=12 have been found in82Kr during an (α, 2n) in-beam experiment. Several levels are interpreted as due to (g9/2)2 neutron excitations. A comparison with g9/2 neutron bands in81, 83Kr and with cranked shell model calculations indicates non-axial deformation in connection with a rotation-aligned band starting with an 8+ level. Non-collective excitations, 8+ (and 6+), have been interpreted as deformation-aligned two-neutron states.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01439492
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    Paper (German National Licenses)
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  • 3
    Electronic Resource
    Electronic Resource
    In-beam study of74Br and a first cascade in75Kr (1983)
    Springer
    The European physical journal 309 (1983), S. 243-252 
    Details
    ISSN: 1434-601X
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract An in-beam study of74Br has been carried out using γ-ray spectroscopy in connection with the reactions (3He,p2in) and (d,2n) on74Se targets. Separate level schemes on top of the two β-decaying isomers of74Br are proposed. Two cascades connecting highspin states are assigned to populate theI π=4(+) isomer. In this level scheme, the excited states at 72.1, 188.3 and 472.0 keV are found to have half-lives of 13.3, 0.7 and 0.7 ns, respectively. The low-spin isomer of74Br is tentatively assigned asI π=(0−). This state is populated by two other cascades. For the low-spin levels two-particle configurations of proton and neutron Nilsson orbitals are proposed. The high-spin states are tentatively interpreted as arising from the configurations (πg 9/2,νg 9/2) and (πg 3/2,νg 9/2). As a by-product, a cascade of four transitions has been observed during the3He bombardment of74Se and tentatively assigned to negative-parity states in75Kr.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01413756
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    Paper (German National Licenses)
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  • 4
    Electronic Resource
    Electronic Resource
    In-beam study of excited states in80Br (1984)
    Springer
    The European physical journal 316 (1984), S. 75-86 
    Details
    ISSN: 1434-601X
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract Excited states of the doubly-odd nucleus80Br have been studied via the reactions80Se(p, n),80Se(d,2n) and78Se(α, pn) using in-beamγ-ray spectroscopy. A positiveparity level sequence built on aI π=5+ state at 331.04 keV has been found up to spin (10). For this 5+ level de-exciting to the known 5− isomeric state and for the 6+ level at 357.22 keV half-lives of 0.7 and 0.4 ns, respectively, have been determined. Negativeparity states have been observed up to spin (6). For the positive-parity level sequence the configuration (πg 9/2,vg 9/2) and collective excitations are proposed. Some of the negative-parity states are tentatively interpreted as arising from the configurations (πp 3/2,vg 9/2) and (πp 3/2, (vg 9/2) 7 2/3 ).
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01415664
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    Paper (German National Licenses)
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