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Study of the Giant Gamow-Teller Resonance in nuclear beta decay: the case of 33Ar

AutorGarcía Borge, María José ; Dessagne, P.; Ewan, G. T.; Hansen, P. G.; Huck, A.; Jonson, B.; Klotz, G.; Knipper, A.; Mattsson, S.; Nyman, G.; Richard-Serre, C.; Riisager, K.; Walter, G.
Fecha de publicación1987
EditorRoyal Swedish Academy of Sciences
CitaciónPhysica Scripta 36(2): 218-223 (1987)
ResumenDelayed proton and gamma emissions following the beta decay of 33Ar have been studied. From the calculated intensity of the feeding to the T = 3/2 analogue state in 33Cl, the proton intensities have been put on an absolute scale leading to a proton branching ratio of 38.7 ± 1.0%. A proton branch to the first excited state in 32S at 2230.2 keV (1π = 2+) with an intensity of 0.77 ± 0.10% was obtained from gamma singles and proton-gamma coincidence data. The complete spectroscopic information on 33Ar allows the Gamow-Teller (GT) strength function from the gound state and up to 9.25 MeV excitation energy in 33Cl to be deduced. The total strength observed in this interval is 2.90 in absolute units.
Descripción6 pages, 2 tables, 5 figures.
Versión del editorhttp://dx.doi.org/10.1088/0031-8949/36/2/005
ISSN0031-8949 (Print)
1402-4896 (Online)
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