A Consideration of Radioxenon Detections Around the Korean Peninsula
13. Climate action
7. Clean energy
01 natural sciences
0104 chemical sciences
0105 earth and related environmental sciences
DOI:
10.1007/s00024-020-02500-5
Publication Date:
2020-06-02T10:05:43Z
AUTHORS (3)
ABSTRACT
The detection of radioxenon isotopes from an underground nuclear test using the International Monitoring System of the Comprehensive Nuclear Test-Ban Treaty is complicated by a radioxenon background, largely originating from the civil radioxenon emissions of medical isotope production facilities and nuclear power plant reactors. Much of the background is measured as single isotopes near the detection threshold, limiting the use of isotopic ratios which could differentiate between the possible sources. Here we introduce the UK Radionuclide National Data Centre methodology to approach the problem of radioxenon detections and source identification. Using automated analysis of radiometric data and atmospheric transport simulations, the detectability of radioxenon isotopes $${^{133}\hbox {Xe}}$$ , $${^{131\mathrm{m}}\hbox {Xe}}$$ , $${^{133\mathrm{m}}\hbox {Xe}}$$ and $${^{135}\hbox {Xe}}$$ from North Korea is estimated for the Takasaki radionuclide station JPX38, and the possibility of detecting $${^{133}\hbox {Xe}}$$ from selected locations across the Korean Peninsula and extended region is investigated.
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