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Title: Beta-delayed deuteron emission from 11Li: decay of the halo
Authors: Raabe, Riccardo ×
Andreyev, Andrei
Borge, M.J.G.
Buchmann, L.
Capel, P.
Fynbo, H.O.U.
Huyse, Marc
Kanungo, Rituparna
Kirchner, Thomas
Mattoon, C.
Morton, A. Collin
Mukha, Ivan
Pearson, J.
Ponsaers, Jan
Ressler, J.J.
Riisager, Karsten
Ruiz, Chris
Ruprecht, G
Sarazin, Frederic
Tengblad, O.
Van Duppen, Piet
Walden, P. #
Issue Date: 21-Nov-2008
Publisher: American Physical Society
Series Title: Physical Review Letters vol:101
Article number: 212501
Abstract: The deuteron-emission channel in the beta decay of the halo nucleus 11Li was measured at the Isotope Separator and Accelerator facility at TRIUMF by implanting post-accelerated 11Li ions into a segmented silicon detector. The events of interest were identified by correlating the decays of 11Li with those of the daughter nuclei. This method allowed the energy spectrum of the emitted deuterons to be extracted, free from contributions from other channels, and a precise value for the branching ratio Bd = 1.30(13).10^-4 to be deduced for E_c.m > 200 keV. The results provide the first unambiguous experimental evidence that the decay takes place essentially in the halo of 11Li and that it proceeds mainly to the 9Li + d continuum, opening up a new means to study the halo wave function of 11Li.
ISSN: 0031-9007
Publication status: published
KU Leuven publication type: IT
Appears in Collections:Nuclear and Radiation Physics Section
× corresponding author
# (joint) last author

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