Half-life of 26Al

Details Half-life of 26Al Half-life of 26Al

Jul 1984

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1984phrvc..30..385t&link_type=abstract

Physical Review C (Nuclear Physics), Volume 30, Issue 1, July 1984, pp.385-387

Physics

Nuclear Physics

6

Scientific paper

We have measured the half-life of 26Al because data on 21Ne production rates in meteorites has indicated that the half-life may have been too low by 30-40%. We produced 26Al using the 26Mg(p,n)26Al reaction on thick natural Mg, the yield being calculated from cross section data. The activity of two such samples was measured with a Ge(Li) detector and the calculated half-life is t12=(7.8+/-0.5)×105 years, in agreement with the accepted half-life of 26Al:t12=(7.16+/-0.32)×105 years. Therefore, another explanation must be found for the anomalous 21Ne production rate based on 26Al ages in meteorites.

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