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  • 1
    Digitale Medien
    Digitale Medien
    M1 resonances in unstable magic nuclei (1993)
    Springer
    The European physical journal 346 (1993), S. 253-260 
    Details
    ISSN: 1434-601X
    Schlagwort(e): 21.10.-k ; 21.60.-n ; 24.30.Cz
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Physik
    Notizen: Abstract Within a microscopic approach which takes into account RPA configurations, the single-particle continuum and more complex 1p 1 h⊗phonon configurations isoscalar and isovector M1 excitations for the unstable nuclei56,78Ni and100,132Sn are calculated. For comparison, the experimentally known Ml excitations in40Ca and208Pb have also been calculated. In the latter nuclei good agreement in the centroid energy, the total transition strength and the resonance width is obtained. With the same parameters we predict the magnetic excitations for the unstable nuclei. The strength is sufficiently concentrated to be measurable in radioactive beam experiments. New features are found for the very neutron rich nucleus78Ni and the neutron deficient nucleus100Sn.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF01292513
    Bibliothek Standort Signatur Band/Heft/Jahr Verfügbarkeit
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  • 2
    Digitale Medien
    Digitale Medien
    E0 andM1 excitations in56Ni (1991)
    Springer
    The European physical journal 340 (1991), S. 111-117 
    Details
    ISSN: 1434-601X
    Schlagwort(e): 21.10.-k ; 21.60.-n ; 24.30.-v
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Physik
    Notizen: Abstract The centroid energy and the decay width of the giant monopole resonance in the unstable nucleus56Ni are predicted. The resulting 0+, ΔT=0 strength distribution, including the escape and the spreading width, displays a structure centered at around 18 MeV with the total width of about 5 MeV. We also study theM1 response in this nucleus which shows a strong isovector transition at 9.6 MeV and a weak isoscalar one at 7.5 MeV.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF01303822
    Bibliothek Standort Signatur Band/Heft/Jahr Verfügbarkeit
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  • 3
    Digitale Medien
    Digitale Medien
    Charge distribution differences in heavy mass nuclei (1987)
    Springer
    The European physical journal 326 (1987), S. 361-366 
    Details
    ISSN: 1434-601X
    Schlagwort(e): 21.10.Ft ; 27.80.+w
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Physik
    Notizen: Abstract The charge density differences between208Pb and206Pb as well as between206Pb and205Tl have been calculated within the generalized theory of finite Fermi systems. Here one describes206Pb and205Tl as correlated two-neutron hole states and two-neutron hole one-proton hole states in208Pb, respectively. We discuss the spectroscopic strength of the 3s-hole and argue that the remaining difference between the theoretical and experimental charge distributions may be connected with the range of validity of Landau's quasi particle concept.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF01289538
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