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Closed Access item New information on the β-decay of Li-11 from Doppler broadened γ lines

Authors:Fynbo, H. O. U.
García Borge, María José
Cederkäll, J.
Courtin, S.
Dessagne, P.
Jonson, B.
Le Scornet, G.
Nilsson, T.
Nyman, G.
Poirier, E.
Riisager, K.
Tengblad, Olof
Wilhelmsen, K.
Keywords:Radioactivity Li-11(β+-),(β+- n) [from Ta(p,X)], Measured β-delayed Eγ,lγ, βγ-coin, DSA, Deduced neutron spectrum, Be-10 deduced excited states T(1/2), [PACS] β decay; double β decay; electron and muon capture, [PACS] Electromagnetic transitions, [PACS] Properties of specific nuclei listed by mass ranges: 6 ≤ A ≤ 19
Issue Date:13-Mar-2004
Citation:Nuclear Physics A 736(1-2): 39–54 (2004)
Abstract:The γ-ray spectrum following β-decay of Li-11 has been remeasured at the ISOLDE facility at CERN. Two new transitions were observed through the use of large Ge-detectors. Most γ-decays will follow β-delayed neutron emission. Information on the energy of the neutron is derived from analysis of the γ line-shape and used to construct a partial decay scheme for Li-11. Lifetime values for the 1(-) and 2(-) levels in Be-10 are also derived. A new partial decay scheme is presented.
Description:16 pages, 2 tables, 4 figures.-- PACS nrs.: 23.40.-s; 23.20.-g; 27.20.+n.-- Printed version published May 17, 2004.
Publisher version (URL):http://dx.doi.org/10.1016/j.nuclphysa.2004.02.020
Appears in Collections:(CFMAC-IEM) Artículos

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