Particle-hole excitations in the Interacting Boson Model : IBM-2 and IBM-3

B. Decroix, Joachim De Beule, De Coster C., Karin Heyde, A.m. Oros, P. Van Isacker

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11 Citaten (Scopus)

Samenvatting

Led by the observation that particle-hole excitations play an important role in nuclei throughout the whole nuclear mass table, we have formulated a general framework such that particle-hole excitations can be incorporated in a systematic way in the interacting boson model. The particle-hole degree of freedom is introduced in the interacting boson models IBM-2 and IBM-3. Corresponding algebraic structures and reduction schemes are studied. The coexistence of intruder spin, F spin, and isospin as good quantum numbers is investigated. The mixing of particle-hole excitations with ground state configurations is determined and compared with a commonly used IBM-1 treatment.
Originele taal-2English
Artikelnummer2329
TijdschriftPhys. Rev. C
Volume57
Nummer van het tijdschrift5
StatusPublished - 1998

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