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Extended proton-neutron quasiparticle random-phase approximation in a boson expansion method

Document type: Articulo

Abstract

The proton-neutron quasiparticle random phase approximation (pn-QRPA) is extended to include next to leading order terms of the QRPA harmonic expansion. The procedure is tested for the case of a separable Hamiltonian in the SO(5) symmetry representation. The pn-QRPA equation of motion is solved by using a boson expansion technique adapted to the treatment of proton-neutron correlations. The resulting wave functions are used to calculate the matrix elements of double-Fermi transitions.

General information

Issue date: 1999
Document language: English
Journal: Physical Review C; vol. 60, no. 2
Origin: Facultad de Ciencias Exactas
ISSN: 0556-2813
xmlui.dri2xhtml.METS-1.0.item-dc-subject: Fermi transitions. ; proton-neutron correlations
Subjects: Física

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Created: 15 de noviembre de 2023
Available since: 15 de noviembre de 2023
Please, use one of this identificators(URI) for cite o linking this item:
  • http://sedici.unlp.edu.ar/handle/10915/160188
  • https://doi.org/10.1103/PhysRevC.60.024305

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