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Título

β-decay in neutron-deficient Hg, Pb, and Po isotopes

AutorMoreno, Óscar; Sarriguren, Pedro ; Álvarez-Rodríguez, Raquel ; Moya de Guerra, Elvira
Palabras clave[PACS] Nuclear Density Functional Theory and extensions (includes Hartree–Fock and random-phase approximations)
[PACS] β decay; double β decay; electron and muon capture
[PACS] Properties of specific nuclei listed by mass ranges: 150 ≤ A ≤ 189
[PACS] Properties of specific nuclei listed by mass ranges: 190 ≤ A ≤ 219
Fecha de publicación3-may-2006
EditorAmerican Physical Society
CitaciónPhysical Review C 73(5): 054302 (2006)
ResumenThe effect of nuclear deformation on the energy distributions of the Gamow-Teller strength is studied in neutron-deficient Hg, Pb, and Po even isotopes. The theoretical framework is based on a self-consistent deformed Skyrme Hartree-Fock mean field with pairing correlations between like nucleons in BCS approximation and residual spin-isospin interactions treated in the proton-neutron quasiparticle random-phase approximation. After a systematic study of the Gamow-Teller strength distributions in the low-excitation-energy region, relevant for β+ decay, we have identified the best candidates to look for deformation signatures in their β+-decay patterns. β+ half-lives and total Gamow-Teller strengths B(GT±) are analyzed as well.
Descripción11 pages, 3 tables, 7 figures.-- PACS nrs.: 21.60.Jz; 23.40.-s; 27.70.+q; 27.80.+w.-- ArXiv pre-print available at: http://arxiv.org/abs/nucl-th/0604024v1
Versión del editorhttp://dx.doi.org/10.1103/PhysRevC.73.054302
URIhttp://hdl.handle.net/10261/15071
DOI10.1103/PhysRevC.73.054302
ISSN0556-2813 (Print)
1089-490X (Online)
1538-4497 (CD-ROM)
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