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

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

*Corresponding author for this work

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3 Citations (Scopus)

Abstract

A high-precision half-life measurement for the superallowed Fermi β+ emitter 22Mg 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 22Mg half-life measurements.
Original languageEnglish
Article number045502
JournalPhysical Review C
Volume96
Issue number4
DOIs
Publication statusPublished - 30 Oct 2017
Externally publishedYes

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