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Structure of the low-lying states in some N=80 isotones

Abstract : The quasiparticle-phonon model using a separable interaction deduced from a Skyrme force is adopted to compute low-lying spectra and the giant dipole resonance in the N = 80 isotones. It is shown that the Skyrme interaction not only reproduces the fragmentation of the giant resonance but also yields results comparable to the ones obtained when a Woods-Saxon potential is used in the description of the mixed symmetry states recently discovered in these nuclei. This test is encouraging in view of future extensions of the method to neutron-rich nuclei far from stability.
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Submitted on : Tuesday, June 8, 2010 - 2:56:16 PM
Last modification on : Wednesday, September 16, 2020 - 4:08:30 PM

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D. Tarpanov, Ch. Stoyanov, N. Lo Iudice, N. van Giai, V. Voronov. Structure of the low-lying states in some N=80 isotones. XVIII International School on Nuclear Physics, Neutron Physics and Applications, Sep 2009, Varna, Bulgaria. pp.012029, ⟨10.1088/1742-6596/205/1/012029⟩. ⟨in2p3-00490412⟩

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