Pairing correlations in nuclei on the neutron-drip line

K. Hagino, H. Sagawa

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148 Citations (Scopus)

Abstract

Paring correlations in weakly bound nuclei on the edge of the neutron-drip line is studied by use of a three-body model. A density-dependent contact interaction is employed to calculate the ground state of halo nuclei He6 and Li11, as well as a skin nucleus O24. Dipole excitations in these nuclei are also studied within the same model. We point out that the dineutron-type correlation plays a dominant role in the halo nuclei He6 and Li11, having the coupled spin of the two neutrons S=0, whereas the correlation similar to the BCS type is important in O24. Contributions of the spin S=1 and S=0 configurations are separately discussed in the low-energy dipole excitations.

Original languageEnglish
Article number044321
JournalPhysical Review C - Nuclear Physics
Volume72
Issue number4
DOIs
Publication statusPublished - 2005 Oct

ASJC Scopus subject areas

  • Nuclear and High Energy Physics

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