Electron Capture Decay of <span class="aps-inline-formula"><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><mrow><msup><mrow><mi mathvariant="normal">Am</mi></mrow><mrow><mn>244</mn></mrow></msup></mrow></math></span> and the Spontaneous Fission Half-Life of <span class="aps-inline-formula"><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><mrow><msup><mrow><mi mathvariant="normal">Pu</mi></mrow><mrow><mn>244</mn></mrow></msup></mrow></math></span>

P. R. Fields; J. E. Gindler; A. L. Harkness; M. H. Studier; J. R. Huizenga; A. M. Friedman

doi:10.1103/PhysRev.100.172

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Electron Capture Decay of ${Am}^{244}$ and the Spontaneous Fission Half-Life of ${Pu}^{244}$

P. R. Fields, J. E. Gindler, A. L. Harkness, M. H. Studier, J. R. Huizenga, and A. M. Friedman

Argonne National Laboratory, Lemont, Illinois

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Phys. Rev. 100, 172 – Published 1 October, 1955

DOI: https://doi.org/10.1103/PhysRev.100.172

Abstract

The branching ratio (electron captures/beta particles) of ${Am}^{244}$ was determined as 0.039±0.003%. An enriched ${Pu}^{244}$ sample was isolated from neutron irradiated ${Am}^{243}$ , and the spontaneous fission half-life of ${Pu}^{244}$ was found to be (2.5±0.8)× $10^{10}$ years.

References (10)

Studier, Fields, Sellers, Friedman, Stevens, Mech, Diamond, Sedlet, and Huizenga, Phys. Rev. 93, 1433 (1954)
Knight, Bunker, Warren, and Starner, Phys. Rev. 91, 889 (1953)
Hollander, Perlman, and Seaborg, Revs. Modern Phys. 25, 611 (1953)
Ghiorso, Thompson, Choppin, and Harvey, Phys. Rev. 94, 1081 (1954)
Inghram, Hess, Fried, and Pyle, private communication
Friedman, Harkness, Fields, Studier, and Huizenga, Phys. Rev. 95, 1501 (1954)
Chamberlain, Farwell, and Segrè, Phys. Rev. 94, 156 (1954)
E. M. Kinderman, Atomic Energy Commission Declassified Report HW-27660, April, 1953 (unpublished)
M. H. Studier and A. Hirsch (private communication)
J. R. Huizenga, Phys. Rev. 94, 158 (1954)

[c1] Studier, Fields, Sellers, Friedman, Stevens, Mech, Diamond, Sedlet, and Huizenga, Phys. Rev. 93, 1433 (1954)

[c2] Knight, Bunker, Warren, and Starner, Phys. Rev. 91, 889 (1953)

[c3] Hollander, Perlman, and Seaborg, Revs. Modern Phys. 25, 611 (1953)

[c4] Ghiorso, Thompson, Choppin, and Harvey, Phys. Rev. 94, 1081 (1954)

[c5] Inghram, Hess, Fried, and Pyle, private communication

[c6] Friedman, Harkness, Fields, Studier, and Huizenga, Phys. Rev. 95, 1501 (1954)

[c7] Chamberlain, Farwell, and Segrè, Phys. Rev. 94, 156 (1954)

[c8] E. M. Kinderman, Atomic Energy Commission Declassified Report HW-27660, April, 1953 (unpublished)

[c9] M. H. Studier and A. Hirsch (private communication)

[c10] J. R. Huizenga, Phys. Rev. 94, 158 (1954)

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Electron Capture Decay of ${Am}^{244}$ and the Spontaneous Fission Half-Life of ${Pu}^{244}$

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References (10)

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Electron Capture Decay of Am244 and the Spontaneous Fission Half-Life of Pu244

Abstract

References (10)

Electron Capture Decay of ${Am}^{244}$ and the Spontaneous Fission Half-Life of ${Pu}^{244}$