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Título

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

Autor 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
Palabras clave [Radioactivity] 17Ne(β+p), (β+a) [from Mg([p, xn3p) reaction]
[Measured] T1/2, β-delayed Ep, Eα, Ip, Iα, β (particle)-coin
17Ne
MgO target, surface barrier Si detectors
On-line mass separation
Model comparison
Fecha de publicación 19-dic-1988
EditorElsevier
Citación Nuclear Physics A 490(2): 287-306 (1988)
ResumenThe 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.
Descripción 20 pages, 7 tables, 8 figures.
Versión del editorhttp://dx.doi.org/10.1016/0375-9474(88)90507-6
URI http://hdl.handle.net/10261/16286
DOI10.1016/0375-9474(88)90507-6
ISSN0375-9474
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