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Joakim

Joakim Cederkäll

Professor

Joakim

Shape dynamics in neutron-rich Kr isotopes : Coulomb excitation of 92Kr, 94Kr and 96Kr

Author

  • M. Albers
  • K. Nomura
  • N. Warr
  • A. Blazhev
  • J. Jolie
  • D. Mücher
  • B. Bastin
  • C. Bauer
  • C. Bernards
  • L. Bettermann
  • V. Bildstein
  • J. Butterworth
  • M. Cappellazzo
  • J. Cederkäll
  • D. Cline
  • I. Darby
  • S. Das Gupta
  • J. M. Daugas
  • T. Davinson
  • H. De Witte
  • J. Diriken
  • D. Filipescu
  • E. Fiori
  • C. Fransen
  • L. P. Gaffney
  • G. Georgiev
  • R. Gernhäuser
  • M. Hackstein
  • S. Heinze
  • H. Hess
  • M. Huyse
  • D. Jenkins
  • J. Konki
  • M. Kowalczyk
  • T. Kröll
  • R. Krücken
  • J. Litzinger
  • R. Lutter
  • N. Marginean
  • C. Mihai
  • K. Moschner
  • P. Napiorkowski
  • B. S. Nara Singh
  • K. Nowak
  • J. Pakarinen
  • M. Pfeiffer
  • D. Radeck
  • P. Reiter
  • S. Rigby
  • L. M. Robledo
  • R. Rodríguez-Guzmán
  • M. Rudigier
  • M. Scheck
  • M. Seidlitz
  • B. Siebeck
  • G. S. Simpson
  • P. Thöle
  • T. Thomas
  • J. Van De Walle
  • P. Van Duppen
  • M. Vermeulen
  • D. Voulot
  • R. Wadsworth
  • F. Wenander
  • K. Wimmer
  • K. O. Zell
  • M. Zielinska
Show all

Summary, in English

We report on the study of excited states in 92,94,96Kr populated via projectile Coulomb excitation at safe energies. The radioactive ion beams at energies of 2.85 MeV/u were delivered by the REX-ISOLDE facility at CERN and impinged on self-supporting 194,196Pt targets. The emitted γ-rays were detected by the Miniball detector-array. A detailed description of the experimental techniques used for extracting diagonal and transitional matrix elements and of the theoretical framework is given. The present experiment reveals the moderate evolution of the collective structure in the considered neutron-rich Kr isotopic chain, which is supported by the interacting boson model combined with the self-consistent mean-field method using a microscopic Gogny energy-density functional. The theory also suggests possible shape coexistence in the exotic nucleus 96Kr.

Publishing year

2013-02-01

Language

English

Pages

1-28

Publication/Series

Nuclear Physics A

Volume

899

Document type

Journal article

Publisher

Elsevier

Topic

  • Subatomic Physics

Keywords

  • π
  • Kr calculated levels
  • Calculated
  • Deduced
  • J
  • Measured
  • Nuclear reactions

Status

Published

ISBN/ISSN/Other

  • ISSN: 0375-9474