Half-lives of neutron-rich Cd 128-130

R. Dunlop, V. Bildstein, I. Dillmann, A. Jungclaus, C. E. Svensson, C. Andreoiu, G. C. Ball, N. Bernier, H. Bidaman, P. Boubel, C. Burbadge, R. Caballero-Folch, M. R. Dunlop, L. J. Evitts, F. Garcia, A. B. Garnsworthy, P. E. Garrett, G. Hackman, S. Hallam, J. HendersonS. Ilyushkin, D. Kisliuk, R. Krücken, J. Lassen, R. Li, E. Macconnachie, A. D. Maclean, E. McGee, M. Moukaddam, B. Olaizola, E. Padilla-Rodal, J. Park, O. Paetkau, C. M. Petrache, J. L. Pore, A. J. Radich, P. Ruotsalainen, J. Smallcombe, J. K. Smith, S. L. Tabor, A. Teigelhöfer, J. Turko, T. Zidar

Research output: Contribution to journalArticlepeer-review

23 Scopus citations

Abstract

The β-decay half-lives of Cd128-130 have been measured with the newly commissioned GRIFFIN γ-ray spectrometer at the TRIUMF-ISAC facility. The time structures of the most intense γ rays emitted following the β decay were used to determine the half-lives of Cd128 and Cd130 to be T1/2=246.2(21) ms and T1/2=126(4) ms, respectively. The half-lives of the 3/2+ and 11/2- states of Cd129 were measured to be T1/2(3/2+)=157(8) ms and T1/2(11/2-)=147(3) ms. The half-lives of the Cd isotopes around the N=82 shell closure are an important ingredient in astrophysical simulations to derive the magnitude of the second r-process abundance peak in the A∼130 region. Our new results are compared with recent literature values and theoretical calculations.

Original languageEnglish (US)
Article number062801
JournalPhysical Review C
Volume93
Issue number6
DOIs
StatePublished - Jun 16 2016
Externally publishedYes

ASJC Scopus subject areas

  • Nuclear and High Energy Physics

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