Plutonium isotope measurements from across continental Australia

Stephen G. Tims; L. Keith Fifield; Gary J. Hancock; Rajeev R. Lal; Wee T. Hoo

doi:10.1016/j.nimb.2012.07.010

Plutonium isotope measurements from across continental Australia

Stephen G. Tims^*, L. Keith Fifield, Gary J. Hancock, Rajeev R. Lal, Wee T. Hoo

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

36 Citations (Scopus)

Abstract

The ²⁴⁰Pu/²³⁹Pu ratio of the global plutonium fallout from atmospheric nuclear weapons testing is typically in the range 0.17-0.19. However, the influence of regional nuclear installations or nearby weapons test sites can lead to local values outside this range. We report ²⁴⁰Pu/²³⁹Pu ratios at 14 representative sites across the Australian continent, and find that the weapons tests carried out in Australia appear to have made a significant contribution to the total fallout in the center of the continent, despite their relatively small explosive yield.

Original language	English
Pages (from-to)	636-641
Number of pages	6
Journal	Nuclear Instruments and Methods in Physics Research, Section B: Beam Interactions with Materials and Atoms
Volume	294
DOIs	https://doi.org/10.1016/j.nimb.2012.07.010
Publication status	Published - Jan 2013

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title = "Plutonium isotope measurements from across continental Australia",

abstract = "The 240Pu/239Pu ratio of the global plutonium fallout from atmospheric nuclear weapons testing is typically in the range 0.17-0.19. However, the influence of regional nuclear installations or nearby weapons test sites can lead to local values outside this range. We report 240Pu/239Pu ratios at 14 representative sites across the Australian continent, and find that the weapons tests carried out in Australia appear to have made a significant contribution to the total fallout in the center of the continent, despite their relatively small explosive yield.",

keywords = "AMS, Fallout, Isotope ratios, Plutonium",

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N2 - The 240Pu/239Pu ratio of the global plutonium fallout from atmospheric nuclear weapons testing is typically in the range 0.17-0.19. However, the influence of regional nuclear installations or nearby weapons test sites can lead to local values outside this range. We report 240Pu/239Pu ratios at 14 representative sites across the Australian continent, and find that the weapons tests carried out in Australia appear to have made a significant contribution to the total fallout in the center of the continent, despite their relatively small explosive yield.

AB - The 240Pu/239Pu ratio of the global plutonium fallout from atmospheric nuclear weapons testing is typically in the range 0.17-0.19. However, the influence of regional nuclear installations or nearby weapons test sites can lead to local values outside this range. We report 240Pu/239Pu ratios at 14 representative sites across the Australian continent, and find that the weapons tests carried out in Australia appear to have made a significant contribution to the total fallout in the center of the continent, despite their relatively small explosive yield.

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KW - Isotope ratios

KW - Plutonium

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JF - Nuclear Instruments and Methods in Physics Research, Section B: Beam Interactions with Materials and Atoms

ER -

Plutonium isotope measurements from across continental Australia

Abstract

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