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. Cederkäll, A. Corsi, M. Danchev, D. Dijulio, C. Fahlander, J. Gerl, A. GiazP. Golubev, M. Górska, J. Grebosz, T. Habermann, M. Hackstein, R. Hoischen, I. Kojouharov, N. Kurz, N. Mǎrginean, E. Merchán, T. Möller, F. Naqvi, B. S. Nara Singh, C. Nociforo, N. Pietralla, S. Pietri, Zs Podolyák, 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 2+1 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 pages5
JournalPhysical Review C - Nuclear Physics
Volume94
Issue number5
DOIs
Publication statusPublished - 2016 Nov 28

Subject classification (UKÄ)

  • Subatomic Physics

Keywords

  • gamma-ray spectroscopy
  • relativistic Coulomb excitation
  • nuclear structure

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