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Anatomy of three-body decay II: decay mechanism and resonance structure

AutorGarrido, Eduardo ; Fedorov, D.V.; Jensen, A.S.; Fynbo, H.O.U.
Palabras clave[PACS] Few-body systems
[PACS] Hyperspherical methods
[PACS] Resonances
Fecha de publicación7-feb-2005
CitaciónNuclear Physics A 748 (1-2): 39–58 (2005)
ResumenWe use the hyperspherical adiabatic expansion method to discuss the two mechanisms of sequential and direct three-body decay. Both short-range and Coulomb interactions are included. Resonances are assumed initially populated by a process independent of the subsequent decay. The lowest adiabatic potentials describe the resonances rather accurately at distances smaller than the outer turning point of the confining barrier. We illustrate with realistic examples of nuclei from neutron (6He) and proton (17Ne) driplines as well as excited states of beta-stable nuclei (12C).
Descripción2 pages, 1 table, 9 figures.--PACS nrs.: 21.45.+v; 31.15.Ja; 25.70.Ef.--Available online on Nov 20, 2004.--ArXiv pre-print available at: http://arxiv.org/abs/nucl-th/0411079v1
Versión del editorhttp://dx.doi.org/10.1016/j.nuclphysa.2004.11.008
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