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Using 244Pu/239Pu to pinpoint 240Pu/239Pu signatures of locally derived reactor material in the terrestrial environment

Research output: Contribution to Journal/Magazine › Journal article › peer-review

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Using 244Pu/239Pu to pinpoint 240Pu/239Pu signatures of locally derived reactor material in the terrestrial environment. / Joyce, Malcolm J.; Madina, Argaia; Semple, Kirk T. et al.
In: International Journal of Modern Physics E, 04.06.2025.

Research output: Contribution to Journal/Magazine › Journal article › peer-review

Harvard

Joyce, MJ, Madina, A, Semple, KT, Tighe, C, Christl, M, Gautschi, P & Livens, F 2025, 'Using 244Pu/239Pu to pinpoint 240Pu/239Pu signatures of locally derived reactor material in the terrestrial environment', International Journal of Modern Physics E. https://doi.org/10.1142/s0218301325450053

APA

Joyce, M. J., Madina, A., Semple, K. T., Tighe, C., Christl, M., Gautschi, P., & Livens, F. (2025). Using 244Pu/239Pu to pinpoint 240Pu/239Pu signatures of locally derived reactor material in the terrestrial environment. International Journal of Modern Physics E. Advance online publication. https://doi.org/10.1142/s0218301325450053

Vancouver

Joyce MJ, Madina A, Semple KT, Tighe C, Christl M, Gautschi P et al. Using 244Pu/239Pu to pinpoint 240Pu/239Pu signatures of locally derived reactor material in the terrestrial environment. International Journal of Modern Physics E. 2025 Jun 4. Epub 2025 Jun 4. doi: 10.1142/s0218301325450053

Author

Joyce, Malcolm J. ; Madina, Argaia ; Semple, Kirk T. et al. / Using 244Pu/239Pu to pinpoint 240Pu/239Pu signatures of locally derived reactor material in the terrestrial environment. In: International Journal of Modern Physics E. 2025.

Bibtex

@article{07f6a4121b0f421abe96ebb8a9aa43d5,
title = "Using 244Pu/239Pu to pinpoint 240Pu/239Pu signatures of locally derived reactor material in the terrestrial environment",
abstract = "Accelerator mass spectrometry measurements of trace plutonium were conducted on soil samples from a relatively undisturbed site in the United Kingdom. Average isotopic ratios were measured across 15 samples for [Formula: see text]Pu/[Formula: see text]Pu and across 13 samples for [Formula: see text]Pu/[Formula: see text]Pu, yielding values of [Formula: see text] and [Formula: see text], respectively. The latter is noted to be lower than the global background. A balance equation was employed to determine the local [Formula: see text]Pu contribution at ([Formula: see text])%. Revisiting this in terms of [Formula: see text]Pu suggests a [Formula: see text]Pu/[Formula: see text]Pu ratio of [Formula: see text] for the local contribution. Whilst inconsistent with materials associated with the Windscale and Chernobyl accidents, this ratio aligns with prior [Formula: see text]Pu/[Formula: see text]Pu measurements of spent Magnox fuel.",
author = "Joyce, {Malcolm J.} and Argaia Madina and Semple, {Kirk T.} and Chris Tighe and Marcus Christl and Phillip Gautschi and Francis Livens",
year = "2025",
month = jun,
day = "4",
doi = "10.1142/s0218301325450053",
language = "English",
journal = "International Journal of Modern Physics E",
issn = "0218-3013",
publisher = "World Scientific Pub Co Pte Ltd",

}

RIS

TY - JOUR

T1 - Using 244Pu/239Pu to pinpoint 240Pu/239Pu signatures of locally derived reactor material in the terrestrial environment

AU - Joyce, Malcolm J.

AU - Madina, Argaia

AU - Semple, Kirk T.

AU - Tighe, Chris

AU - Christl, Marcus

AU - Gautschi, Phillip

AU - Livens, Francis

PY - 2025/6/4

Y1 - 2025/6/4

N2 - Accelerator mass spectrometry measurements of trace plutonium were conducted on soil samples from a relatively undisturbed site in the United Kingdom. Average isotopic ratios were measured across 15 samples for [Formula: see text]Pu/[Formula: see text]Pu and across 13 samples for [Formula: see text]Pu/[Formula: see text]Pu, yielding values of [Formula: see text] and [Formula: see text], respectively. The latter is noted to be lower than the global background. A balance equation was employed to determine the local [Formula: see text]Pu contribution at ([Formula: see text])%. Revisiting this in terms of [Formula: see text]Pu suggests a [Formula: see text]Pu/[Formula: see text]Pu ratio of [Formula: see text] for the local contribution. Whilst inconsistent with materials associated with the Windscale and Chernobyl accidents, this ratio aligns with prior [Formula: see text]Pu/[Formula: see text]Pu measurements of spent Magnox fuel.

AB - Accelerator mass spectrometry measurements of trace plutonium were conducted on soil samples from a relatively undisturbed site in the United Kingdom. Average isotopic ratios were measured across 15 samples for [Formula: see text]Pu/[Formula: see text]Pu and across 13 samples for [Formula: see text]Pu/[Formula: see text]Pu, yielding values of [Formula: see text] and [Formula: see text], respectively. The latter is noted to be lower than the global background. A balance equation was employed to determine the local [Formula: see text]Pu contribution at ([Formula: see text])%. Revisiting this in terms of [Formula: see text]Pu suggests a [Formula: see text]Pu/[Formula: see text]Pu ratio of [Formula: see text] for the local contribution. Whilst inconsistent with materials associated with the Windscale and Chernobyl accidents, this ratio aligns with prior [Formula: see text]Pu/[Formula: see text]Pu measurements of spent Magnox fuel.

U2 - 10.1142/s0218301325450053

DO - 10.1142/s0218301325450053

M3 - Journal article

JO - International Journal of Modern Physics E

JF - International Journal of Modern Physics E

SN - 0218-3013

ER -