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Collectivity in ¹⁹⁶,¹⁹⁸Pb isotopes probed in Coulomb-excitation experiments at REX-ISOLDE

Pakarinen, J. ; Grahn, T. ; Gaffney, L. P. ; Algora, A. ; Bauer, C. ; Blazhev, A. ; Bree, N. ; Cocolios, T. E. ; De Witte, H. ; Diriken, J. ; Fernier, P. ; Hadyńska-Klȩk, K. ; Herzáň, A. ; Huyse, M. ; Iwanicki, J. ; Jakobsson, U. ; Jenkins, D. ; Kesteloot, N. ; Konki, J. ; Lannoo, B. ; Papadakis, P. ; Peura, P. ; Rahkila, P. ; Rainovski, G. ; Rapisarda, E. ; Reiter, P. ; Sambi, S. ; Scheck, M. ; Seibeck, B. ; Seidlitz, M. ; Stora, T. ; Van Duppen, P. ; Warr, N. ; Wenander, F. ; Vermeulen, M. J. ; Voulot, D. ; Wrzosek-Lipska, K. ; Zielińska, M. (2017)
Collectivity in ¹⁹⁶,¹⁹⁸Pb isotopes probed in Coulomb-excitation experiments at REX-ISOLDE.
In: Journal of Physics G: Nuclear and Particle Physics, 44 (6)
doi: 10.1088/1361-6471/aa6753
Article, Bibliographie

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Abstract

The neutron-deficient ¹⁹⁶,¹⁹⁸Pb isotopes have been studied in Coulomb-excitation experiments employing the Miniball γ-ray spectrometer and radioactive ion beams from the REX-ISOLDE post-accelerator at CERN. The reduced transition probabilities of the first excited 2⁺ states in ¹⁹⁶Pb and ¹⁹⁸Pb nuclei have been measured for the first time. Values of B (E2) = 18.2₋₄,₁⁺⁴,⁸ W.u. and B (E2) = 13.1₋₃,₅⁺⁴,⁹ W.u., were obtained, respectively. The experiment sheds light on the development of collectivity when moving from the regime governed by the generalised seniority scheme to a region, where intruding structures, associated with different deformed shapes, start to come down in energy and approach the spherical ground state.

Item Type: Article
Erschienen: 2017
Creators: Pakarinen, J. ; Grahn, T. ; Gaffney, L. P. ; Algora, A. ; Bauer, C. ; Blazhev, A. ; Bree, N. ; Cocolios, T. E. ; De Witte, H. ; Diriken, J. ; Fernier, P. ; Hadyńska-Klȩk, K. ; Herzáň, A. ; Huyse, M. ; Iwanicki, J. ; Jakobsson, U. ; Jenkins, D. ; Kesteloot, N. ; Konki, J. ; Lannoo, B. ; Papadakis, P. ; Peura, P. ; Rahkila, P. ; Rainovski, G. ; Rapisarda, E. ; Reiter, P. ; Sambi, S. ; Scheck, M. ; Seibeck, B. ; Seidlitz, M. ; Stora, T. ; Van Duppen, P. ; Warr, N. ; Wenander, F. ; Vermeulen, M. J. ; Voulot, D. ; Wrzosek-Lipska, K. ; Zielińska, M.
Type of entry: Bibliographie
Title: Collectivity in ¹⁹⁶,¹⁹⁸Pb isotopes probed in Coulomb-excitation experiments at REX-ISOLDE
Language: English
Date: 2017
Place of Publication: Bristol
Publisher: IOP Publishing
Journal or Publication Title: Journal of Physics G: Nuclear and Particle Physics
Volume of the journal: 44
Issue Number: 6
Collation: 10 Seiten
DOI: 10.1088/1361-6471/aa6753
Corresponding Links:
Abstract:

The neutron-deficient ¹⁹⁶,¹⁹⁸Pb isotopes have been studied in Coulomb-excitation experiments employing the Miniball γ-ray spectrometer and radioactive ion beams from the REX-ISOLDE post-accelerator at CERN. The reduced transition probabilities of the first excited 2⁺ states in ¹⁹⁶Pb and ¹⁹⁸Pb nuclei have been measured for the first time. Values of B (E2) = 18.2₋₄,₁⁺⁴,⁸ W.u. and B (E2) = 13.1₋₃,₅⁺⁴,⁹ W.u., were obtained, respectively. The experiment sheds light on the development of collectivity when moving from the regime governed by the generalised seniority scheme to a region, where intruding structures, associated with different deformed shapes, start to come down in energy and approach the spherical ground state.

Uncontrolled Keywords: Coulomb excitation, radioactive ion beams, gamma-ray spectroscopy, γ transitions and level energies
Classification DDC: 500 Science and mathematics > 530 Physics
Divisions: 05 Department of Physics
05 Department of Physics > Institute of Nuclear Physics
Date Deposited: 28 Mar 2024 10:13
Last Modified: 28 Mar 2024 10:13
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