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dc.contributor.authorKota, VKB-
dc.contributor.authorAlcaras, JAC-
dc.identifier.citationNuclear Physics A. Amsterdam: Elsevier B.V., v. 764, p. 181-204, 2006.-
dc.description.abstractlsoscalar (T = 0) plus isovector (T = 1) pairing Hamiltonian in LS-coupling. which is important for heavy N = Z nuclei, is solvable in terms of a SO(8) Lie algebra for three special values of the mixing parameter that measures the competition between the T = 0 aid T = 1 pairing. The SO(8) algebra is generated, amongst others, by the S = 1, T = 0 and S = 0, T = 1 pair creation and annihilation operators and corresponding to the three values of the mixing parameter, there are three chains of subalgebras: SO(8) superset of SOST (6) superset of SOS(3) circle times SOT(3), SO(8) superset of [SOS(5) superset of SOS(3)] circle times SOT(3) and SO(8) superset of [SOT(5) superset of SOT(3)] circle times SOS(3). Shell model Lie algebras, with only particle number conserving generators, that are complementary to these three chains of subalgebras are identified and they are used in the classification of states for a given number of nucleons. The classification problem is solved explicitly tor states with SO(8) seniority nu = 0, 1, 2, 3 and 4. Using them, hand structures in isospin space are identified for states with nu = 0, 1, 2 and 3. (c) 2005 Elsevier B.V. All rights reserved.en
dc.publisherElsevier B.V.-
dc.sourceWeb of Science-
dc.titleClassification of states in S0(8) proton-neutron pairing modelen
dc.contributor.institutionPhys Res Lab-
dc.contributor.institutionUniversidade Estadual Paulista (UNESP)-
dc.description.affiliationPhys Res Lab, Ahmedabad 380009, Gujarat, India-
dc.description.affiliationUNESP, Inst Fis Teor, BR-01405900 São Paulo, Brazil-
dc.description.affiliationUnespUNESP, Inst Fis Teor, BR-01405900 São Paulo, Brazil-
dc.rights.accessRightsAcesso restrito-
dc.relation.ispartofNuclear Physics A-
Appears in Collections:Artigos, TCCs, Teses e Dissertações da Unesp

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