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Closed Access item Beta-delayed proton and alpha emission in the decay of 17Ne

Authors:García Borge, María José
Cronberg, H.
Cronqvist, M.
Gabelmann, H.
Hansen, P. G.
Johannsen, L.
Jonson, B.
Mattsson, S.
Nyman, G.
Richter, Achim W.
Riisager, K.
Tengblad, Olof
Tomaselli, M.
ISOLDE Collaboration
Keywords:[Radioactivity] 17Ne(β+p), (β+a) [from Mg([p, xn3p) reaction], [Measured] T1/2, β-delayed Ep, Eα, Ip, Iα, β (particle)-coin, 17Ne deduced particle branching ratio, β strength function, MgO target, surface barrier Si detectors, On-line mass separation, Model comparison
Issue Date:19-Dec-1988
Publisher:Elsevier
Citation:Nuclear Physics A 490(2): 287-306 (1988)
Abstract:The beta-delayed proton and alpha spectra from 17Ne have been studied with Si-detectors. The Gamow-Teller strength in the decay of 17Ne has been extracted and compared with a two-particle-one-hole shell-model calculation. The experimental strength is quenched by a factor of 0.82 with respect to the calculated one. Furthermore, the decay scheme has been improved and is discussed in some detail. The proton emitting levels in 17F are very broad and the line shapes are strongly influenced by phase-space effects. Interference between peaks corresponding to the same intermediate spin is a prominent feature emerging clearly with the good resolution and statistics of the present work.
Description:20 pages, 7 tables, 8 figures.
Publisher version (URL):http://dx.doi.org/10.1016/0375-9474(88)90507-6
URI:http://hdl.handle.net/10261/16286
ISSN:0375-9474
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