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Shell evolution and nuclear forces

hal.structure.identifierCentre d'Etudes Nucléaires de Bordeaux Gradignan [CENBG]
dc.contributor.authorSMIRNOVA, N.
hal.structure.identifierCentre d'Etudes Nucléaires de Bordeaux Gradignan [CENBG]
dc.contributor.authorBALLY, B.
dc.contributor.authorHEYDE, K.
dc.contributor.authorNOWACKI, F.
dc.contributor.authorSIEJA, K.
dc.date.issued2010-03-22
dc.identifier.issn0370-2693
dc.description.abstractEnWe present a quantitative study of the role played by different components characterizing the nucleon–nucleon interaction in the evolution of the nuclear shell structure. It is based on the spin–tensor decomposition of an effective two-body shell-model interaction and the subsequent study of effective single-particle energy variations in a series of isotopes or isotones. The technique allows to separate unambiguously contributions of the central, vector and tensor components of the realistic effective interaction. We show that while the global variation of the single-particle energies is due to the central component of the effective interaction, the characteristic behavior of spin–orbit partners, noticed recently, is mainly due to its tensor part. Based on the analysis of a well-fitted realistic interaction in the sdpf shell-model space, we analyze in detail the role played by the different terms in the formation and/or disappearance of N=16, N=20 and N=28 shell gaps in neutron-rich nuclei.
dc.language.isoen
dc.publisherElsevier
dc.subject.enSingle-particle level structure
dc.subject.enMonopole shift
dc.subject.enShell model
dc.subject.enTensor interaction
dc.title.enShell evolution and nuclear forces
dc.typeArticle de revue
dc.identifier.doi10.1016/j.physletb.2010.02.051
dc.subject.halPhysique [physics]/Physique Nucléaire Expérimentale [nucl-ex]
dc.identifier.arxiv1002.1006
bordeaux.journalPhysics Letters B
bordeaux.page109-113
bordeaux.volume686
bordeaux.peerReviewedoui
hal.identifierin2p3-00483002
hal.version1
hal.popularnon
hal.audienceNon spécifiée
hal.origin.linkhttps://hal.archives-ouvertes.fr//in2p3-00483002v1
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