Realistic low-momentum effective interactions and nuclear structure near double closed shells

We report on a shell-model study of nuclei with four valence nucleons in the 132Sn and 208Pb regions. This aims at investigating to what extent the striking similarity existing between the low-energy properties of 134Sb and 210Bi persists when adding a pair of identical particles. We employ realisti...

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Bibliographic Details
Published inJournal of physics. Conference series Vol. 205; no. 1; p. 012004
Main Authors Covello, A, Coraggio, L, Gargano, A, Itaco, N
Format Journal Article
LanguageEnglish
Published Bristol IOP Publishing 01.01.2010
Subjects
Bismuth isotopes
Lead isotopes
Momentum
Nuclear structure
Nucleon potential
Physics
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Summary:We report on a shell-model study of nuclei with four valence nucleons in the 132Sn and 208Pb regions. This aims at investigating to what extent the striking similarity existing between the low-energy properties of 134Sb and 210Bi persists when adding a pair of identical particles. We employ realistic low-momentum effective interactions derived from the CD-Bonn nucleon-nucleon potential through use of the Vlow-k approach. The calculated results are in very good agreement with the available experimental data and emphasize the persistence of a close resemblance between the spectroscopy of the two regions when moving away from the one proton-one neutron systems.
ISSN:1742-6596
1742-6588
1742-6596
DOI:10.1088/1742-6596/205/1/012004