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Polarization of the nuclear surface in deformed nuclei

Abstract : The density profiles of around 750 nuclei are analyzed using the Skyrme energy density functional theory. Among them, more than 350 nuclei are found to be deformed. In addition to rather standard properties of the density, we report a non-trivial behavior of the nuclear diffuseness as the system becomes more and more deformed. Besides the geometric effects expected in rigid body, the diffuseness acquires a rather complex behavior leading to a reduction of the diffuseness along the main axis of deformation simultaneously with an increase of the diffuseness along the other axis. The possible isospin dependence of this polarization is studied. This effect, that is systematically seen in medium- and heavy-nuclei, can affect the nuclear dynamical properties. A quantitative example is given with the fusion barrier in the $^{40}$Ca+ $^{238}$U reaction.
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Contributor : Michel Lion <>
Submitted on : Monday, November 18, 2013 - 9:15:15 AM
Last modification on : Wednesday, September 16, 2020 - 4:07:26 PM

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G. Scamps, D. Lacroix, G. G. Adamian, N. V. Antonenko. Polarization of the nuclear surface in deformed nuclei. Physical Review C, American Physical Society, 2013, 88, pp.064327. ⟨10.1103/PhysRevC.88.064327⟩. ⟨in2p3-00905256⟩

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