Phys. Rev. C 63, 047307 (2001) [4 pages]Half-lives of Au, Hg, and Pb isotopes from photoactivationReceived 20 September 2000; published 19 March 2001 The ground state half-lives of the gold isotope 196Au, the mercury isotopes 195,197,203Hg, the lead isotope 203Pb, and the half-lives of two isomers in 199Hg and 204Pb have been measured with high precision using the photoactivation technique. The γ-ray activity was counted over several half-lives with high-purity germanium detectors. The measured half-lives are: T1/2(196Au)=6.1669±0.0006 d; T1/2(195Hg)=10.53±0.03 h; T1/2(197Hg)=64.94±0.07 h; T1/2(203Hg)=46.6±0.1 d; T1/2(204Pb)=51.95±0.01 h; T1/2(199mHg)=42.67±0.09 min; T1/2(204mPb)=1.14±0.04 h. © 2001 The American Physical Society URL:
http://link.aps.org/doi/10.1103/PhysRevC.63.047307
DOI:
10.1103/PhysRevC.63.047307
PACS:
21.10.Tg, 25.20.-x, 27.80.+w
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