Spectroscopic studies of neutron-rich 129In and its β -decay daughter, 129Sn, using the GRIFFIN spectrometer

  • F. H. Garcia*
  • , C. Andreoiu
  • , G. C. Ball
  • , N. Bernier
  • , H. Bidaman
  • , V. Bildstein
  • , M. Bowry
  • , D. S. Cross
  • , M. R. Dunlop
  • , R. Dunlop
  • , A. B. Garnsworthy
  • , P. E. Garrett
  • , J. Henderson
  • , J. Measures
  • , B. Olaizola
  • , K. Ortner
  • , J. Park
  • , C. M. Petrache
  • , J. L. Pore
  • , K. Raymond
  • J. K. Smith, D. Southall, C. E. Svensson, M. Ticu, J. Turko, K. Whitmore, T. Zidar
*Corresponding author for this work

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2 Citations (Scopus)
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Abstract

The β decay of neutron-rich 129In into 129Sn was studied using the GRIFFIN spectrometer at the ISAC facility at TRIUMF. The study observed the half-lives of the ground state and each of the β-decaying isomers. The level scheme of 129Sn has been expanded with thirty-one new γ-ray transitions and nine new excited levels, leading to a reevaluation of the β branching ratios and level spin assignments. The observation of the β decay of the (29/2+) 1911-keV isomeric state in 129In is reported for the first time, with a branching ratio of 2.0(5)%.

Original languageEnglish
Article number024310
JournalPhysical Review C
Volume103
Issue number2
DOIs
Publication statusPublished - 8 Feb 2021
Externally publishedYes

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