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Träfflista för sökning "WFRF:(Falconi M.) srt2:(2000-2004)"

Sökning: WFRF:(Falconi M.) > (2000-2004)

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1.
  • Petrache, C. M., et al. (författare)
  • Stable triaxiality at the highest spins in 138Nd and 139Nd
  • 2000
  • Ingår i: Physical Review C - Nuclear Physics. - 0556-2813. ; 61:1, s. 113051-113055
  • Tidskriftsartikel (refereegranskat)abstract
    • The nuclei 138Nd and 139Nd have been studied at very high spins via the 48Ca+94Zr reaction. Several new rotational bands were observed, four in 138Nd and two in 139Nd. The J(2) moments of inertia calculated from the observed γ-ray energies are very small and almost constant, indicating that these bands are triaxial. Cranked Nilsson-Strutinsky calculations reproduce the general behavior of the bands, supporting this interpretation and suggesting an approximately constant γ value of ∼ + 35° over a large spin range up to the highest observed spins. These bands and a few similar bands in other nuclei of the N≈80 region are a unique example of almost undisturbed triaxial bands.
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2.
  • Lieder, R. M., et al. (författare)
  • Development of magnetic rotation in light Gd nuclei; study of Gd-142
  • 2002
  • Ingår i: European Physical Journal A. - : Springer Science and Business Media LLC. - 1434-6001 .- 1434-601X. ; 13:3, s. 297-305
  • Tidskriftsartikel (refereegranskat)abstract
    • High-spin states in Gd-142 have been populated by means of the Ru-99(Ti-48, 2p3n) reaction at 2-10 MeV and investigated with the gamma-spectrometer EUROBALL III and the charged-particle detector array ISIS. The features of four dipole bands have been determined and compared with tilted-axis cranking model calculations indicating that they are magnetic rotational bands. A transition from regular to irregular bands has been found approaching N = 82 demonstrating that this is a general phenomenon in nuclei near a double-shell closure.
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