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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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.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.rights.uri info:eu-repo/semantics/openAccess
dc.source 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.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 info:eu-repo/semantics/article
dc.date.updated 2018-04-24T14:57:14Z
dc.identifier.doi https://doi.org/10.1103/PhysRevC.95.024312
dc.identifier.idgrec 120317

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