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beta decay of Ag-97: Evidence for the Gamow-Teller resonance near Sn-100

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beta decay of Ag-97: Evidence for the Gamow-Teller resonance near Sn-100

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dc.contributor.author	Agramunt Ros, Jorge
dc.contributor.author	Algora, Alejandro
dc.contributor.author	Cano Ott, Daniel
dc.contributor.author	Gadea Raga, Andrés
dc.contributor.author	Górska, M.
dc.contributor.author	Rubio Barroso, Berta
dc.contributor.author	Taín Enríquez, José Luis
dc.date.accessioned	2015-03-20T09:45:33Z
dc.date.available	2015-03-20T09:45:33Z
dc.date.issued	1999
dc.identifier.citation	Agramunt Ros, Jorge Algora, Alejandro Cano Ott, Daniel Gadea Raga, Andrés Górska, M. Rubio Barroso, Berta Taín Enríquez, José Luis 1999 beta decay of Ag-97: Evidence for the Gamow-Teller resonance near Sn-100 Physical Review C 60 2 024315
dc.identifier.uri	http://hdl.handle.net/10550/42760
dc.description.abstract	In two complementary measurements, a cubelike array of 6 Euroball-Cluster germanium detectors and a total-absorption gamma-spectrometer were used to investigate the beta decay of 97Ag, a three proton-hole nucleus with respect to the 100Sn core. The half-life and QEC value of the decay of the 9/2+ ground state of 97Ag were determined to be 25.9(4) s and 6.98(11) MeV, respectively. A total of 603 gamma rays (578 new) was observed, and 151 levels (132 new) in 97Pd have been identified. An interesting beta-delayed gamma cascade was observed, which comprises 6 gamma-transitions with a deexcitation pattern involving an initial increase of the level spin. The Gamow-Teller (GT) beta-decay strength distributions from the two measurements reveal a large GT resonance around 4 MeV with a width of about 1.8 MeV. The hindrance factor for the total GT strength, summed from the ground state up to 6 MeV excitation energy in 97Pd, amounts to 4.3(6) with reference to a shell-model prediction. This factor is discussed in comparison with a core polarization and a Monte Carlo shell-model calculation
dc.language.iso	eng
dc.relation.ispartof	Physical Review C, 1999, vol. 60, num. 2, p. 024315
dc.subject	Física
dc.title	beta decay of Ag-97: Evidence for the Gamow-Teller resonance near Sn-100
dc.type	journal article	es_ES
dc.date.updated	2015-03-20T09:45:33Z
dc.identifier.doi	10.1103/PhysRevC.60.024315
dc.identifier.idgrec	071791
dc.rights.accessRights	open access	es_ES