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Efimov Effect in Nuclear Three-Body Resonance Decays

AuthorsGarrido, Eduardo ; Fedorov, D.V.; Jensen, A.S.
Keywords[PACS] Few-body systems
[PACS] Resonances
[PACS] Hyperspherical methods
Issue Date20-Mar-2006
PublisherAmerican Physical Society
CitationPhysical Review Letters 96(11): 112501 (2006)
AbstractWe investigate the effects of the nearly fulfilled Efimov conditions on the properties of three-body esonances. Using the hyper-spheric adiabatic expansion method we compute energy distributions of fragments in a three-body decay of a nuclear resonance. As a realistic example we investigate the 1- state in the halo nucleus 11Li within a three-body 9Li + n + n model. Characteristic features appear as sharp peaks in the energy distributions. Their origin, as in the Efimov effect, is in the large two-body s-wave scattering lengths between the pairs of fragments.
Description4 pages, 4 figures.--PACS nrs.:21.45.+v; 25.70.Ef; 31.15.Ja.--ArXiv pre-print available at: http://arxiv.org/abs/nucl-th/0603023v1
Publisher version (URL)http://link.aps.org/doi/10.1103/PhysRevLett.96.112501
Appears in Collections:(CFMAC-IEM) Artículos
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