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Beta-Delayed Proton and Alpha Emission in the Decay of Ne-17

M. J. G. Borge ; H. Cronberg ; M. Cronqvist ; H. Gabelmann ; P. G. Hansen ; L. Johannsen ; Björn Jonson (Fysiska institutionen) ; Stanley Mattsson (Fysiska institutionen) ; Göran Nyman (Fysiska institutionen) ; A. Richter ; K. Riisager ; Olof Tengblad (Fysiska institutionen) ; M. Tomaselli
Nuclear Physics A (0375-9474). Vol. 490 (1988), 2, p. 287-306.
[Artikel, refereegranskad vetenskaplig]

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.

Denna post skapades 2006-08-28. Senast ändrad 2013-07-10.
CPL Pubid: 10989


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