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Träfflista för sökning "WFRF:(Lunardi C) srt2:(2005-2009)"

Sökning: WFRF:(Lunardi C) > (2005-2009)

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1.
  • Paul, E. S., et al. (författare)
  • The highest spin discrete levels in Ce-131,Ce-132
  • 2006
  • Ingår i: Physica Scripta. - 0031-8949. ; T125, s. 115-118
  • Tidskriftsartikel (refereegranskat)abstract
    • The three superdeformed (SD) bands in Ce-132 and the two SD bands in Ce-131 have been extended to higher spin following experiments with the EUROBALL IV spectrometer. The two SD bands in 131Ce have been linked together. However, despite the relatively high population intensity of the bands ( up to 5% of the respective channel), it has not been possible to unambiguously link any of the five SD bands into the low-spin, normally deformed structures of Ce-131,Ce-132.
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2.
  • Gadea, A., et al. (författare)
  • Observation of Ni-54 : Cross-conjugate symmetry in f(7/2) mirror energy differences
  • 2006
  • Ingår i: Physical Review Letters. - 0031-9007 .- 1079-7114. ; 97:15, s. 152501-
  • Tidskriftsartikel (refereegranskat)abstract
    • Gamma decays from excited states up to J(pi)=6(+) in the N=Z-2 nucleus Ni-54 have been identified for the first time. Level energies are compared with those of the isobars Co-54 and Fe-54 and of the cross-conjugate nuclei of mass A=42. The good but puzzling f(7/2) cross-conjugate symmetry in mirror and triplet energy differences is analyzed. Shell model calculations reproduce the new data but the necessary nuclear charge-dependent phenomenology is not fully explained by modern nucleon-nucleon potentials.
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3.
  • Valiente-Dobon, J. J., et al. (författare)
  • Lifetime Measurements of the Neutron-Rich N=30 Isotones Ca-50 and Sc-51: Orbital Dependence of Effective Charges in the fp Shell
  • 2009
  • Ingår i: Physical Review Letters. - 1079-7114. ; 102:24
  • Tidskriftsartikel (refereegranskat)abstract
    • The lifetimes of the first excited states of the N=30 isotones Ca-50 and Sc-51 have been determined using the Recoil Distance Doppler Shift method in combination with the CLARA-PRISMA spectrometers. This is the first time such a method is applied to measure lifetimes of neutron-rich nuclei populated via a multinucleon transfer reaction. This extends the lifetime knowledge beyond the f(7/2) shell closure and allows us to derive the effective proton and neutron charges in the fp shell near the doubly magic nucleus Ca-48, using large-scale, shell-model calculations. These results indicate an orbital dependence of the core polarization along the fp shell.
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  • Resultat 1-3 av 3

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