High-precision half-life measurement for the superallowed Fermi β+ emitter Mg 22

M. R. Dunlop, C. E. Svensson, G. C. Ball, J. R. Leslie, C. Andreoiu, N. Bernier, H. Bidaman, V. Bildstein, M. Bowry, C. Burbadge, R. Caballero-Folch, A. Diaz Varela, R. Dunlop, A. B. Garnsworthy, P. E. Garrett, G. Hackman, B. Jigmeddorj, K. G. Leach, A. D. Maclean, B. OlaizolaJ. Measures, C. Natzke, Y. Saito, J. K. Smith, J. Turko, T. Zidar

Research output: Contribution to journalArticlepeer-review

3 Scopus citations

Abstract

A high-precision half-life measurement for the superallowed Fermi β+ emitter Mg22 was performed at the TRIUMF-ISAC facility using a 4π proportional gas counter. The result of T1/2=3.87400±0.00079 s is a factor of 3 more precise than the previously adopted world average and resolves a discrepancy between the two previously published Mg22 half-life measurements.

Original languageEnglish (US)
Article number045502
JournalPhysical Review C
Volume96
Issue number4
DOIs
StatePublished - Oct 30 2017
Externally publishedYes

ASJC Scopus subject areas

  • Nuclear and High Energy Physics

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