Relativistic Coulomb excitation of 88Kr

K. Moschner, A. Blazhev, J. Jolie, N. Warr, P. Boutachkov, P. Bednarczyk, K. Sieja, A. Algora, F. Ameil, M.A. Bentley, S. Brambilla, N. Braun, F. Camera, J. Cederkaell, A. Corsi, M. Danchev, D. DiJulio, C. Fahlander, J. Gerl, A. GiazP. Golubev, M. Gorska, J. Grebosz, T. Habermann, M. Hackstein, R. Hoischen, I. Kojouharov, N. Kurz, N. Marginean, E. Merchan, T. Moeller, F. Naqvi, B.S. Nara Singh, C. Nociforo, N. Pietralla, S. Pietri, Zs. Podolyak, A. Prochazka, M. Reese, P. Reiter, M. Rudigier, D. Rudolph, T. Sava, H. Schaffner, L. Scruton, J. Taprogge, T. Thomas, H. Weick, A. Wendt, O. Wieland, H.-J. Wollersheim

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Abstract

To investigate the systematics of mixed-symmetry states in N=52 isotones, a relativistic Coulomb excitation experiment was performed during the PreSPEC campaign at the GSI Helmholtzzentrum für Schwerionenforschung to determine E2 transition strengths to 2+ states of the radioactive nucleus 88Kr. Absolute transition rates could be measured towards the first and third 2+ states. For the latter a mixed-symmetry character is suggested on the basis of the indication for a strong M1 transition to the fully symmetric 21+ state, extending the knowledge of the N=52 isotones below Z=40. A comparison with the proton-neutron interacting boson model and shell-model predictions is made and supports the assignment.
Original languageEnglish
Article number054323
Number of pages6
JournalPhysical Review C
Volume94
Issue number5
DOIs
Publication statusPublished - 28 Nov 2016
Externally publishedYes

Keywords

  • Collective levels
  • electromagnetic transitions
  • Low and intermediate energy heavy-ion reactions

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