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Título

Anatomy of three-body decay I: schematic models

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
EditorElsevier
CitaciónNuclear Physics A 748 (1-2): (2005) 27–38
ResumenSequential three-body decay proceeds via spatially confined quasi-stationary two-body configurations. Direct three-body decay populates the three-body continuum without intermediate steps. The relative importance of these decay modes is discussed in a schematic model employing only Coulomb or centrifugal barrier potentials. Decisive dimensionless charge, mass and energy ratios are derived. Sequential decay is usually favored for charged particles. Small charge and small mass of high energy is preferably emitted first. Without Coulomb potential the sequential decay is favored except when both resonance energy and intermediate two-body energy are large.
Descripción12 pages, 1 figure.--PACS nrs.: 21.45.+v; 31.15.Ja; 25.70.Ef.--Available online on Nov 10, 2004.--ArXiv pre-print available at: http://arxiv.org/abs/nucl-th/0411078v1
Versión del editorhttp://dx.doi.org/10.1016/j.nuclphysa.2004.10.014
URIhttp://hdl.handle.net/10261/15983
DOI10.1016/j.nuclphysa.2004.10.014
ISSN0375-9474
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