Decay spectroscopy of Cd-129

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  • Y. Saito
    University of British Columbia
  • I. Dillmann
    TRIUMF
  • R. Krücken
    University of British Columbia
  • N. Bernier
    University of British Columbia
  • G. C. Ball
    TRIUMF
  • M. Bowry
    TRIUMF
  • C. Andreoiu
    Simon Fraser University
  • H. Bidaman
    University of Guelph, Ontario
  • V. Bildstein
    University of Guelph, Ontario
  • P. Boubel
    University of Guelph, Ontario
  • C. Burbadge
    University of Guelph, Ontario
  • R. Caballero-Folch
    TRIUMF
  • M. R. Dunlop
    University of Guelph, Ontario
  • R. Dunlop
    University of Guelph, Ontario
  • L. J. Evitts
  • F. H. Garcia
    Simon Fraser University
  • A. B. Garnsworthy
    TRIUMF
  • P. E. Garrett
    University of Guelph, Ontario
  • H. Grawe
    GSI Helmholtzzentrum fur Schwerionenforschung GmbH
  • G. Hackman
    TRIUMF
  • S. Hallam
    TRIUMF
  • S. Ilyushkin
    Colorado School of Mines
  • A. Jungclaus
    CSIC, Institute of Catalysis, Madrid
  • D. Kisliuk
    University of Guelph, Ontario
  • TRIUMF Lassen
    TRIUMF
  • R. Li
    TRIUMF
  • E. MacConnachie
    TRIUMF
  • A. D. MacLean
    University of Guelph, Ontario
  • E. McGee
    University of Guelph, Ontario
  • M. Moukaddam
    TRIUMF
  • B. Olaizola
    University of Guelph, Ontario
  • E. Padilla-Rodal
    Universidad Nacional Aut´onoma de Mexico
  • J. Park
    University of British Columbia
  • O. Paetkau
    TRIUMF
  • C. M. Petrache
    Université Paris-Saclay
  • J. L. Pore
    Simon Fraser University
  • A. J. Radich
    University of Guelph, Ontario
  • P. Ruotsalainen
    TRIUMF
  • J. Smallcombe
    TRIUMF
  • C. E. Svensson
    University of Guelph, Ontario
  • A. Teigelhöfer
    TRIUMF
  • J. Turko
    University of Guelph, Ontario
  • T. Zidar
    University of Guelph, Ontario
Excited states of 129In populated following the β-decay of 129Cd were experimentally studied with the GRIFFIN spectrometer at the ISAC facility of TRIUMF, Canada. A 480-MeV proton beam was impinged on a uranium carbide target and 129Cd was extracted using the Ion Guide Laser Ion Source (IG-LIS). β- and γ-rays following the decay of 129Cd were detected with the GRIFFIN
spectrometer comprising the plastic scintillator SCEPTAR and 16 high-purity germanium (HPGe) clover-type detectors. From the β-γ-γ coincidence analysis, 32 new transitions and 7 new excited states were established, expanding the previously known level scheme of 129In. The log f t values deduced from the β-feeding intensities suggest that some of the high-lying states were populated by
the ν0g7/2 → π0g9/2 allowed Gamow-Teller (GT) transition, which indicates that the allowed GT transition is more dominant in the 129Cd decay than previously reported. Observation of fragmented Gamow-Teller strengths is consistent with theoretical calculations
Original languageEnglish
Article number024337
JournalPhysical Review C
Volume102
Issue number2
DOIs
Publication statusPublished - 31 Aug 2020
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