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Study of beta-delayed 3-body and 5-body breakup channels from the decay of 11Li

Abstract : The beta-delayed charged particle emission from 11Li has been studied with emphasis on the three-body n+alpha+6He and five-body 2alpha+3n channels from the 10.59 and 18.15 MeV states in 11Be. Monte Carlo simulations using an R-matrix formalism lead to the conclusion that the AHe 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.
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Submitted on : Thursday, September 25, 2008 - 11:54:06 AM
Last modification on : Tuesday, February 19, 2019 - 11:00:02 AM

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M. Madurga, M.J.G. Borge, J.C. Angélique, L. Bao, U. Bergmann, et al.. Study of beta-delayed 3-body and 5-body breakup channels from the decay of 11Li. Nuclear Physics A, Elsevier, 2008, 810, pp.1-12. ⟨10.1016/j.nuclphysa.2008.07.008⟩. ⟨in2p3-00324001⟩

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