Astronomy and Astrophysics – Astrophysics
Scientific paper
Mar 1998
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1998phrvl..80.2550a&link_type=abstract
Physical Review Letters, Volume 80, Issue 12, March 23, 1998, pp.2550-2553
Astronomy and Astrophysics
Astrophysics
47
Scientific paper
We report on a measurement of the 44Ti half-life aimed at lowering existing systematic uncertainties in this value, which is important to astrophysics. The half-life was measured by following the decay of 44Ti relative to 60Co for about 5 yr and the measurements were performed independently in three laboratories-Argonne, Jerusalem, and Torino. We suggest to combine our result, 59.0+/-0.6 yr, with the one from the accompanying Letter by Görres et al., 60.3+/-1.3 yr, to obtain a current ``best value'' for the half-life of 44Ti of 59.2+/-0.6 yr ( 1σ error).
Ahmad Ibrahim
Bonino Gianfranco
Castagnoli Cini G.
Fischer Susan M.
Kutschera Walter
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