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  • Electronic Resource  (14)
  • 21.60.Fw  (9)
  • 21.60.Ev  (7)
  • 23.20.Ck  (3)
  • 24.60.Ky  (3)
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  • Electronic Resource  (14)
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  • 11
    Electronic Resource
    Electronic Resource
    Structure of low-lying levels in91Rb and93Rb (1986)
    Springer
    The European physical journal 325 (1986), S. 139-147 
    Details
    ISSN: 1434-601X
    Keywords: 23.20.Ck ; 21.60.Fw ; 27.60.+j
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract Life-times of low-lying levels in 37 91 Rb54 and 37 93 Rb56 have been determined fromβ −−γ coincidence measurements at the fission-product separator JOSEF. Values oft 1/2=17.0(8) ns and 2.0(2) ns have been obtained for the levels at 1,134 keV in91Rb and 267 keV in93Rb, respectively, and upper limits could be deduced for several other states. Calculations in the frame of IBFM/PTQM have been performed for91Rb, the results of which allow an interpretation of the low-lying levels of this nucleus. For the 1,134 keV level the configuration [πg 9/2⊗2+] 7/2+ is suggested which lies close to or even below the 9/2 1 + level. The calculated half-life of 14 ns for the 1,134 keV level reproduces well the experimental value. The half-life of the 267 keV level in93Rb favours the assignment ofI π=1/2− to this state over the alternative 3/2−.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01289644
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    Paper (German National Licenses)
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  • 12
    Electronic Resource
    Electronic Resource
    SpinBF πυ(5) boson-fermion dynamical symmetry and supersymmetry for odd-odd nuclei associated withU b(5) boson limit and exemplification for62Cu (1987)
    Springer
    The European physical journal 327 (1987), S. 287-289 
    Details
    ISSN: 1434-601X
    Keywords: 21.60.Ev ; 21.60 Fw
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract Boson-fermion dynamical symmetry associated withU (5) boson core is introduced for odd-odd nuclei. An algorithm is constructed for the subsequent reduction appropriate for the boson-fermion group chain associated with an odd proton and neutron inj=3/2 configurations and the corresponding energy formula is given and exemplified for62Cu in the case of an associated supersymmetry.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01284451
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    Paper (German National Licenses)
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  • 13
    Electronic Resource
    Electronic Resource
    IBFFM yrast states in odd-odd nuclei associated withO(6) andSU(3) limits (1988)
    Springer
    The European physical journal 329 (1988), S. 151-159 
    Details
    ISSN: 1434-601X
    Keywords: 21.60.Ev ; 21.60.Fw
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract In the Interacting Boson-Fermion-Fermion Model (IBFFM) for odd-odd nuclei the yrast states are calculated for $$\tilde j_\pi = \tilde h_{1 1/2} ,\tilde j_v = \tilde i_{1 3/2} $$ , proton-neutron configurations coupled to theO(6) andSU(3) boson core. The results are discussed in terms of the strongly coupled/ decoupled band type criterion and in comparison to the peaceful and conflicting case of asymmetric rotor model.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01283770
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    Paper (German National Licenses)
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  • 14
    Electronic Resource
    Electronic Resource
    Analogs of Gallagher-Moszkowski bands in IBFFM — A relation to spectrum-generating supersymmetry? (1987)
    Springer
    The European physical journal 327 (1987), S. 291-294 
    Details
    ISSN: 1434-601X
    Keywords: 21.60.Ev ; 21.60.Fw
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract The quantal analogs of the Gallagher-Moszkowski bands in the Interacting boson-fermion-fermion model (IBFFM) withSU (3) boson core are associated with the exact quantum numberKj p+jn and approximate quantum numberK-¦j p-jn¦ of IBFFM. For characteristic ratiosГ/δ it is shown that theK c=0 band in even-even IBM system, theK=j p andK=j n bands in the corresponding odd-even (IBFM) systems and theK=j p+j band in the corresponding odd-odd IBFFM system exhibit the supermultiplet pattern.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01284452
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    Paper (German National Licenses)
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