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Study of β-delayed 3-body and 5-body breakup channels observed in the decay of Li-11

AutorMadurga, Miguel ; García Borge, María José ; Angelique, J. C.; Bao, L.; Bergmann, U.; Buta, A.; Cederkäll, J.; Diget, C. Aa.; Fraile, Luis M. ; Fynbo, H. O. U.; Jeppesen, Henrik B.; Jonson, B.; Maréchal, F.; Marqués, F. M.; Nilsson, T.; Nyman, G.; Perrot, F.; Riisager, K.; Tengblad, Olof ; Tengborn, E.; Turrión, M.; Wilhelmsen, K.
Palabras clave[PACS] Relation with nuclear matrix elements and nuclear structure
[PACS] Properties of specific nuclei listed by mass ranges: 6 ≤ A ≤ 19
Radioactivity: Li-11(β−)
Measured: β-delayed charged-particle spectra
Be-11 deduced, subsequent break-up decay channels
Fecha de publicación22-jul-2008
EditorElsevier
CitaciónNuclear Physics A 810 (1-4): 1-12 (2008)
ResumenThe β-delayed charged particle emission from Li-11 has been studied with emphasis on the three-body nαHe-6 and five-body 2α3n channels from the 10.59 and 18.15 MeV states in Be-11. Monte Carlo simulations using an R-matrix formalism lead to the conclusion that the He-A resonance states play a significant role in the break-up of these states. The results exclude an earlier assumption of a phase-space description of the break-up process of the 18.15 MeV state. Evidence for extra sequential decay paths is found for both states.
Descripción12 pages, 5 figures, 3 tables.-- PACS nrs.: 23.40.Hc; 27.20.+n.-- Printed version published Sep 15, 2008.-- ArXiv pre-print available at: http://arxiv.org/abs/0806.3025
Versión del editorhttp://dx.doi.org/10.1016/j.nuclphysa.2008.07.008
URIhttp://hdl.handle.net/10261/12094
DOI10.1016/j.nuclphysa.2008.07.008
ISSN0375-9474
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