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Measurement of lifetimes in Fe-62,Fe-64, Co-61,Co-63, and Mn-59

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Measurement of lifetimes in Fe-62,Fe-64, Co-61,Co-63, and Mn-59

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dc.contributor.author	Klintefjord, M.
dc.contributor.author	Ljungvall, J.
dc.contributor.author	Görgen, A.
dc.contributor.author	Lenzi, S. M.
dc.contributor.author	Bello Garrote, F. L.
dc.contributor.author	Blazhev, A.
dc.contributor.author	Clément, E.
dc.contributor.author	de France, G.
dc.contributor.author	Delaroche, J.-P.
dc.contributor.author	Désesquelles, P.
dc.contributor.author	Dewald, A.
dc.contributor.author	Doherty, D. T.
dc.contributor.author	Fransen, C.
dc.contributor.author	Gengelbach, A.
dc.contributor.author	Georgiev, G.
dc.contributor.author	Girod, M.
dc.contributor.author	Sanchis Peris, Enrique
dc.contributor.author	Gottardo, A.
dc.contributor.author	Gadea Raga, Andrés
dc.contributor.author	González Millán, Vicente
dc.contributor.author	Valiente Dobón, J. J.
dc.contributor.author	Mengoni, D.
dc.contributor.author	Konstantinopoulos, T.
dc.contributor.author	Korichi, A.
dc.contributor.author	Lemasson, A.
dc.contributor.author	Libert, J.
dc.contributor.author	Lopez-Martens, A.
dc.contributor.author	Michelagnoli, C.
dc.contributor.author	Navin, A.
dc.contributor.author	Nyberg, J.
dc.contributor.author	Pérez-Vidal, R. M.
dc.contributor.author	Roccia, S.
dc.contributor.author	Sahin, E.
dc.contributor.author	Stefan, I.
dc.contributor.author	Stuchbery, A. E.
dc.contributor.author	Menegazzo, R.
dc.contributor.author	Recchia, F.
dc.contributor.author	Barrientos, D.
dc.contributor.author	Birkenbach, B.
dc.contributor.author	Boston, A.
dc.date.accessioned	2018-04-24T14:57:13Z
dc.date.available	2018-04-24T14:57:13Z
dc.date.issued	2017
dc.identifier.citation	Klintefjord, M. Ljungvall, J. Görgen, A. Lenzi, S. M. Bello Garrote, F. L. Blazhev, A. Clément, E. de France, G. Delaroche, J.-P. Désesquelles, P. Dewald, A. Doherty, D. T. Fransen, C. Gengelbach, A. Georgiev, G. Girod, M. Sanchis Peris, Enrique Gottardo, A. Gadea Raga, Andrés González Millán, Vicente Valiente Dobón, J. J. Mengoni, D. Konstantinopoulos, T. Korichi, A. Lemasson, A. Libert, J. Lopez-Martens, A. Michelagnoli, C. Navin, A. Nyberg, J. Pérez-Vidal, R. M. Roccia, S. Sahin, E. Stefan, I. Stuchbery, A. E. Menegazzo, R. Recchia, F. Barrientos, D. Birkenbach, B. Boston, A. 2017 Measurement of lifetimes in Fe-62,Fe-64, Co-61,Co-63, and Mn-59 Physical Review C 95 2 024312-1 024312-11
dc.identifier.uri	http://hdl.handle.net/10550/65850
dc.description.abstract	Lifetimes of the 4(1)(+) states in Fe-62,Fe-64 and the 11/2(1)(-) states in Co-61,Co-63 and Mn-59 were measured at the Grand Accelerateur National d'Ions Lourds (GANIL) facility by using the Advanced Gamma Tracking Array (AGATA) and the large-acceptance variable mode spectrometer (VAMOS++). The states were populated through multinucleon transfer reactions with a U-238 beam impinging on a Ni-64 target, and lifetimes in the picosecond range were measured by using the recoil distance Doppler shift method. The data show an increase of collectivity in the iron isotopes approaching N = 40. The reduction of the subshell gap between the nu 2p(1/2) and nu 1g(9/2) orbitals leads to an increased population of the quasi-SU(3) pair (nu 1g(9/2), nu 2d(5/2)), which causes an increase in quadrupole collectivity. This is not observed for the cobalt isotopes withN < 40 for which the neutron subshell gap is larger due to the repulsive monopole component of the tensor nucleon-nucleon interaction. The extracted experimental B(E2) values are compared with large-scale shell-model calculations and with beyond-mean-field calculations with the Gogny D1S interaction. A good agreement between calculations and experimental values is found, and the results demonstrate in particular the spectroscopic quality of the Lenzi, Nowacki, Poves, and Sieja (LNPS) shell-model interaction.
dc.language.iso	eng
dc.relation.ispartof	Physical Review C, 2017, vol. 95, num. 2, p. 024312-1-024312-11
dc.subject	Física nuclear
dc.subject	Electromagnetisme Mesuraments
dc.title	Measurement of lifetimes in Fe-62,Fe-64, Co-61,Co-63, and Mn-59
dc.type	journal article	es_ES
dc.date.updated	2018-04-24T14:57:14Z
dc.identifier.doi	10.1103/PhysRevC.95.024312
dc.identifier.idgrec	120317
dc.rights.accessRights	open access	es_ES