Testing the predictive power of realistic shell model calculations via lifetime measurement of the 11/2+ state in 131Sb
dc.contributor.author | Bottoni, S | |
dc.contributor.author | Gamba, E. R. | |
dc.contributor.author | De Gregorio, G. | |
dc.contributor.author | Gargano, A. | |
dc.contributor.author | Leoni, S. | |
dc.contributor.author | Fornal, B. | |
dc.contributor.author | Brancadori, N. | |
dc.contributor.author | Ciconali, G. | |
dc.contributor.author | Crespi, F. C. L. | |
dc.contributor.author | Cieplicka-Oryńczak, N. | |
dc.contributor.author | Iskra, Ł. W. | |
dc.contributor.author | Colombi, G. | |
dc.contributor.author | Kim, Y. H. | |
dc.contributor.author | Köster, U. | |
dc.contributor.author | Michelagnoli, C. | |
dc.contributor.author | Dunkel, F. | |
dc.contributor.author | Esmaylzadeh, A. | |
dc.contributor.author | Gerhard, L. | |
dc.contributor.author | Jolie, J. | |
dc.contributor.author | Knafla, L. | |
dc.contributor.author | Ley, M. | |
dc.contributor.author | Régis, J.-M. | |
dc.contributor.author | Schomaker, K. | |
dc.contributor.author | Sferrazza, M. | |
dc.date.accessioned | 2023-07-28T10:23:21Z | |
dc.date.available | 2023-07-28T10:23:21Z | |
dc.date.issued | 2023 | |
dc.description.abstract | The lifetime of the 11/2+ 1 state in the 131Sb nucleus was measured at the LOHENGRIN spectrometer of the Institut Laue-Langevin via neutron-induced fission of 235U using γ -ray fast-timing techniques. The obtained value of T1/2 = 3 (2) ps, at the edge of the sensitivity of the experimental method, is the first result for the 11/2+1 state half-life in neutron-rich Sb isotopes. The corresponding quadrupole reduced transition probability to the ground state is B(E2) = 1.4+1.5−0.6W.u., indicating a noncollective nature of this state. Realistic shell-model calculations performed in a large valence space reproduce well the experimental value and point to a dominant 2+(130Sn) ⊗ πg7/2 configuration for the 11/2+1 state, as expected in a weak-coupling scenario. At the same time, the sum of the quadrupole strength of the multiplet states is predicted to exceed the one of the 130Sn core as a consequence of the equal contribution of the proton and the proton-neutron quadrupole matrix elements, pointing to possible development of collectivity already in the close neighborhood of 132Sn. | pl_PL.UTF-8 |
dc.description.sponsorship | Italian Istituto Nazionale di Fisica Nucleare, the Polish National Science Centre, Poland, under research project No. 2020/39/D/ST2/03510, the Polish National Agency for Academic Exchange (NAWA) within the Bekker programme under Grant PPN/BEK/2020/1/00431/U/00001, the Institute for Basic Science (IBS-R031-D1), the German DFG under grant JO391/18-1, and the Fonds de la Recherche Scientifique - FNRS under Grants No. J.0174.22 and No. 4.45.10.08. | pl_PL.UTF-8 |
dc.identifier.citation | S. Bottoni, E. R. Gamba, G. De Gregorio, A. Gargano, S. Leoni, B. Fornal, N. Brancadori, G. Ciconali, F. C. L. Crespi, N. Cieplicka-Orynczak, L. W. Iskra, G. Colombi, Y. H. Kim, U. Koster, C. Michelagnoli, F. Dunkel, A. Esmaylzadeh, L. Gerhard, J. Jolie, L. Knafla, M. Ley, J.- M. Regis, K. Schomaker, and M. Sferrazza, Phys. Rev. C 107, 014322 (2023). | pl_PL.UTF-8 |
dc.identifier.doi | ||
dc.identifier.doi | https://doi.org/10.48733/2023.no2.nz22 | |
dc.identifier.uri | http://rifj.ifj.edu.pl/handle/item/407 | |
dc.language.iso | eng | pl_PL.UTF-8 |
dc.publisher | Institute of Nuclear Physics Polish Academy of Sciences | pl_PL.UTF-8 |
dc.rights | Uznanie autorstwa 4.0 Międzynarodowe | * |
dc.rights.uri | http://creativecommons.org/licenses/by/4.0/ | * |
dc.source.uri | https://journals.aps.org/prc/abstract/10.1103/PhysRevC.107.014322 | |
dc.subject | fizyka jądrowa, spektroskopia gamma, reakcja rozszczepienia | pl_PL.UTF-8 |
dc.subject | nuclear physics, gamma spectroscopy, fission reaction | pl_PL.UTF-8 |
dc.title | Testing the predictive power of realistic shell model calculations via lifetime measurement of the 11/2+ state in 131Sb | pl_PL.UTF-8 |
dc.type | Postprint | pl_PL.UTF-8 |