Communication Dans Un Congrès Année : 2017

Effects of 2 particle–2 hole configurations on dipole states in neutron-rich $N$ = 80–84 isotones

N.N. Arsenyev
  • Fonction : Auteur
A.P. Severyukhin
  • Fonction : Auteur
V.V. Voronov
  • Fonction : Auteur

Résumé

Starting from the Skyrme interaction SLy4 we study the effects of 2 particle–2 hole configurations on the low-energy electric dipole response in$^{130–134}$Sn. It is shown that the pygmy dipole resonance properties are correlated with the neutron skin thickness. The two-phonon configurations give a considerable contribution to the low-lying E1 strength.

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Dates et versions

hal-02058564 , version 1 (06-03-2019)

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Citer

N.N. Arsenyev, A.P. Severyukhin, V.V. Voronov, Nguyen van Giai. Effects of 2 particle–2 hole configurations on dipole states in neutron-rich $N$ = 80–84 isotones. International Session-Conference of the Section of Nuclear Physics of PSD RAS: Physics of Fundamental Interactions, Apr 2016, Dubna, Russia. pp.876-878, ⟨10.1134/S1063779617060053⟩. ⟨hal-02058564⟩
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