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The half-lives of Tl204, Au195, Ir192 and its long-lived isomer Ir192m2

1963; Elsevier BV; Volume: 41; Linguagem: Inglês

10.1016/0029-5582(63)90539-x

1873-1546

Garman Harbottle,

Radioactive element chemistry and processing

The measured half-lives of several nucleides are Tl204 (3.80±0.02)y, Au195(182.9±0.5)d, Ir192(73.6±0.4)d and Ir192m2(650±430 or −90)y. The periods of measurement were 12.0, 3.3, 3.3 and 3.1 y, respectively. The reactor cross-section for the reaction Ir191(n, γ)Ir192m2 has been estimated as 0.38+0.24 or −0.11 b.