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Título : Fine structure in the beta-delayed proton decay of Ar-33
Autor : Honkanen, A., Axelsson, L., Äystö, J., García Borge, María José, Jonson, B., Jokinen, A., Martel, Ismael, Martínez Pinedo, Gabriel, Mukha, I., Nilsson, T., Nyman, G., Petersen, B., Poves, A., Smedberg, M. H., Teijeiro, A., Tengblad, Olof, [ISOLDE Collaboration]
Palabras clave : Beta-delayed proton decay
Shell model
Ar-33 (from 1 GeV p on Nb-foil target, selective mass separation)
Measured beta-delayed protons, Ep, Ip
Deduced relative spectroscopic amplitudes
Shell-model calculation
Gas-Si telescope spectrometer
Shell nuclei
Fecha de publicación : 16-Dec-1996
Editor: Elsevier
Resumen: Low-energy beta-delayed protons from Ar-33 have been measured for the first time. The data reveal states, which, despite unfavourable barrier penetrability values, strongly decay to the first excited 2+ state in S-32. The observation is discussed in terms of the standard shell model. A natural explanation is provided by the large spectroscopic amplitudes, involving s(1/2) and d(3/2) orbitals, as well as the l = 0 barrier penetrability, favouring the decay to the 2+ state.
Descripción : 9 pages, 2 figures, 2 tables.-- PACS nrs.: 21.60.Cs; 23.40.−s; 27.30.+t; 29.30.Ep.
Versión del editor:
ISSN: 0375-9474
DOI: 10.1016/S0375-9474(96)00313-2
Citación : Nuclear Physics A 611(1): 47-55 (1996)
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