The Half-Life of Actinouranium

Forrest Western; Arthur E. Ruark

doi:10.1103/PhysRev.45.628

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The Half-Life of Actinouranium

Forrest Western and Arthur E. Ruark

Missouri Valley College and University of Pittsburgh

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Phys. Rev. 45, 628 – Published 1 May, 1934

DOI: https://doi.org/10.1103/PhysRev.45.628

Abstract

Values of the half-life of actinouranium are obtained from data on a Morogoro pitchblende and a uraninite from Great Bear Lake, analyzed by von Grosse and Marble, respectively. Computations were made with two extreme values, 0.03 and 0.04, for the actinium "branching ratio" $B$ . Half-life values in $10^{8}$ years are:

References (7)

Western and Ruark, J. Chem. Phys. 1, 717 (1933) Phys. Rev. 44, 675 (1933) 45, 69 (1934)
Aston, Proc. Roy. Soc. A140, 535 (1933)
A. von Grosse, Phys. Rev. 42, 565 (1932)
F. L. Hess. Report of the National Research Council Committee on Geologic Time, 1932, page 3
Western and Ruark, Phys. Rev. 44, 675 (1933)
Francis and Da-Tchang, Comptes Rendus 198, 733 (1934)
Marble, J.A.C.S. 56, 854 (1934)

[c1] Western and Ruark, J. Chem. Phys. 1, 717 (1933) Phys. Rev. 44, 675 (1933) 45, 69 (1934)

[c2] Aston, Proc. Roy. Soc. A140, 535 (1933)

[c3] A. von Grosse, Phys. Rev. 42, 565 (1932)

[c4] F. L. Hess. Report of the National Research Council Committee on Geologic Time, 1932, page 3

[c5] Western and Ruark, Phys. Rev. 44, 675 (1933)

[c6] Francis and Da-Tchang, Comptes Rendus 198, 733 (1934)

[c7] Marble, J.A.C.S. 56, 854 (1934)

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The Half-Life of Actinouranium

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