T=0 versus T=1 pairing in the interacting boson model

Abstract : A connection is established between an interacting boson model (IBM) that includes T=1 bosons (IBM-3) and one that includes T=0 as well as T=1 bosons (IBM-4). The connection relies on an IBM-4 classification that breaks Wigner's SU(4) symmetry. The resulting generalized IBM-4 is relevant for studying the competition between T=0 and T=1 pairing in N∼Z nuclei. Consequences for the pair structure in self-conjugate nuclei are discussed.
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Submitted on : Wednesday, April 21, 2004 - 1:18:22 PM
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P. van Isacker, D.D. Warner. T=0 versus T=1 pairing in the interacting boson model. Physical Review Letters, American Physical Society, 1997, 78, pp.3266-3269. ⟨10.1103/PhysRevLett.78.3266⟩. ⟨in2p3-00021694⟩

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