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Closed Access item Study of charged particles emitted in the β-decay of 6,8He

Authors:García Borge, María José
Johannsen, L.
Jonson, B.
Nilsson, T.
Nyman, G.
Riisager, K.
Tengblad, Olof
Wilhelmsen Rolander, K.
[ISOLDE Collaboration]
Keywords:RADIOACTIVITY 6He(β-): measured β-delayed deuteron spectrum, branching ratio deduced, 8He(β-): measured β-delayed triton and alpha spectra, triton branching ratio deduced, R-matrix analysis, Energy level in 8Li deduced, [ThC-C+p] reaction;, Separation on-line, AE-E telescope low energy loss
Issue Date:19-Jul-1993
Citation:Nuclear Physics A 560(2): 664-676 (1993)
Abstract:The beta-delayed charged particle spectra from 6He and 8He were measured with a telescope consisting of a gas counter and a Si surface barrier detector. Beta-delayed deuterons and tritons are emitted in the two cases with branching ratios of (7.6 ± 0.6)×10−6, Ed > 350 keV and (8.0 ± 0.5)×10−3, respectively. Both spectra present anomalies that must be due to the special structure of these nuclei (an alpha core surrounded by several neutrons).
Description:13 pages, 6 figures.
Publisher version (URL):http://dx.doi.org/10.1016/0375-9474(93)90039-Z
Appears in Collections:(CFMAC-IEM) Artículos

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