Low-energy Coulomb excitation of Zr-94

N. Marchini, M. Rocchini, A. Nannini, D.T. Doherty, M. Zielinska, K. Hadynska-Klek, D. Testov, A. Goasduff, G. Benzoni, F. Camera, S.D. Bakes, D. Bazzacco, T. Berry, D. Brugnara, M.H.V. Brunet, G. Carozzi, W.N. Catford, M. De Rizzo, F. Galtarossa, P. GarrettN. Gelli, A. Gottardo, A. Gozzelino, A. Illana, J. Keatings, A.R.L. Kennington, D. Mengoni, L. Morrison, D.R. Napoli, M. Ottanelli, P. Ottanelli, G. Pasqualato, F. Recchia, S. Riccetto, M. Scheck, M. Siciliano, G. Sighinolfi, J. Sinclair, J.J. Valiente Dobon, I. Zanon

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Abstract

Recent state-of-the-art Monte Carlo shell-model calculations predict shape coexistence in Zr isotopes. In this context, the Zr-94 nucleus is particularly interesting since some experimental investigations have already suggested the possible coexistence of spherical and oblate shapes, however, no definitive conclusion on its deformation has been reported to date. As such, a dedicated experiment to study collectivity and configuration coexistence in Zr-94 by means of a low-energy Coulomb excitation was performed. This study was performed at the INFN Legnaro National Laboratory with the GALILEO-SPIDER setup, which, in this instance, was further augmented with 6 Lanthanum Bromide scintillators (LaBr3:Ce) in order to to maximize the gamma-ray detection efficiency.
Original languageEnglish
Article number143
JournalIl Nuovo Cimento C -Colloquia on Physics
Volume42
Issue number2-3
DOIs
Publication statusPublished - 30 Sep 2019

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