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Closed Access item Analysis of decay data from neutron-rich nuclei

Authors:Bergmann, U. C.
García Borge, María José
Cederkäll, J.
Forssén, C.
Fumero, E.
Fynbo, H. O. U.
Gausemel, H.
Jeppesen, Henrik B.
Jonson, B.
Markenroth, K.
Nilsson, T.
Nyman, G.
Riisager, K.
Simon, H.
Tengblad, Olof
Weissman, L.
Wenander, F.
Wilhelmsen Rolander, K.
Keywords:[PACS] Beta decay; double beta decay; electron and muon capture, [PACS] Properties of specific nuclei listed by mass ranges: 6 ≤ A ≤ 19, [PACS] Properties of specific nuclei listed by mass ranges: 20 ≤ A ≤ 38, [PACS] Data analysis: algorithms and implementation; data management
Issue Date:1-Jul-2001
Publisher:Società Italiana di Fisica
Springer
Citation:The European Physical Journal A: Hadrons and Nuclei 11(3): 279–284 (2001)
Abstract:The β-decays of the neutron-rich nuclei Be-12 and Ne-29 have been studied. The statistical correlations between the almost identical half-lives of Be-12 and its daughter B-12 are analysed for a large sample of Be-12 decay data. Stringent mutual bounds are obtained on the parameter set, leading to a precise determination of the Be-12 half-life of 21.50 ± 0.04 ms. From a simultaneous detection of β-particles and neutrons from the decay of Ne-29 the neutron emission probability, P-n, is determined to 17 ± 5%. No indication of two-neutron emission is seen from this nucleus. An upper limit of 2.2% (90% confidence level) is established for P-2n.
Description:6 pages, 3 figures, 2 tables.-- PACS nrs.: 23.40.-s; 27.20.+n; 27.30.+t; 07.05.Kf.
Publisher version (URL):http://dx.doi.org/10.1007/s100500170066
URI:http://hdl.handle.net/10261/7612
ISSN:1434-6001 (Print)
1434-601X (Online)
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Appears in Collections:(CFMAC-IEM) Artículos

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