Spectroscopic studies of neutron-rich in 129 and its β -decay daughter, Sn 129, 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. RaymondJ. K. Smith, D. Southall, C. E. Svensson, M. Ticu, J. Turko, K. Whitmore, T. Zidar

*Corresponding author for this work

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1 Scopus citations

Abstract

The β decay of neutron-rich In129 into Sn129 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 Sn129 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 In129 is reported for the first time, with a branching ratio of 2.0(5)%.

Original languageEnglish (US)
Article number024310
JournalPhysical Review C
Volume103
Issue number2
DOIs
StatePublished - Feb 2021

ASJC Scopus subject areas

  • Nuclear and High Energy Physics

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