Xenon International Overview

Hayes, James C.; Harper, Warren W.; Panisko, Mark E.; Cooper, Matthew W.

doi:10.2172/1472068

Cited by 6 publications

(3 citation statements)

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“…The French system, [46] uses an 8 h collection time and may replace current systems with a 24 h collection time. The Xenon International system was developed by Pacific Northwest National Laboratory (PNNL) and Teledyne Brown Engineering (TBE) [35,47,48]. The xenon international system uses a 6 h collection time.…”

Section: Introductionmentioning

confidence: 99%

In the nuclear explosion monitoring context, what is an anomaly?

Miley,

Eslinger,

Bowyer

et al. 2024

J Radioanal Nucl Chem

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In the early years of nuclear explosion monitoring, experts used downwind detections with meaningful ratios of radioactive species to identify an explosion. Today’s reality is sparse networks of radionuclide monitoring stations looking for weak signals. Analysts need to discriminate between industrial background radioactivity and nuclear explosion signals, even using the detection of one isotope. Aerosol and xenon measurements potentially related to nuclear tests in 2006 and 2013 announced by the Democratic People’s Republic of Korea and from worldwide civilian background radioactivity are considered when defining radionuclide detection anomalies to objectively guide the use of limited analyst resources and reduce the possibility of not detecting nuclear explosions.

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Section: Introductionmentioning

confidence: 99%

In the nuclear explosion monitoring context, what is an anomaly?

Miley,

Eslinger,

Bowyer

et al. 2024

J Radioanal Nucl Chem

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“…Noble gas detection systems process air to extract, measure, and quantify the radioactive isotopes of xenon [1][2][3][4]. These systems measure the decay of the radioxenon isotopes that are most likely to be present after an underground nuclear explosion ( 131m Xe, 133 Xe, 133m Xe, and 135 Xe).…”

Section: Introductionmentioning

confidence: 99%

“…This general equation is described in more detail in a number of publications [9][10][11][12]. This paper focuses on systems that use β-γ coincidence to calculate radioxenon concentrations, in particular, the Swedish Automatic Unit for Noble gas Acquisition (SAUNA II) [13], developed by the Swedish Defense Research Agency (FOI) [14], the Xenon International [4,15], developed by the US Department of Energy's Pacific Northwest National Laboratory [16], new generation SPALAX system (Si + HPGe) [17,18], and ARIX-4 system [19]. This paper focuses on analysis approaches that discriminate between radioxenon isotopes via β-γ spectral analysis.…”

Section: Introductionmentioning

confidence: 99%

Radioxenon net count calculations revisited

Cooper

Auer²,

Bowyer

et al. 2019

J Radioanal Nucl Chem

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Since 1998, there have been improvements in the capability to detect atmospheric radioxenon in the International Monitoring System operated by the Preparatory Commission of the Comprehensive Nuclear-Test-Ban Treaty Organization. The upgrades have resulted in next-generation versions of the radioxenon systems. This paper explores radioxenon data analysis improvements beyond the original radioxenon beta-gamma analysis equations that were formulated in 2000. Additionally, it provides recommendations to further improve analysis and refine the equations. The areas of improvement are described in terms of equations, physical detectors, and field-testing. These recommendations are provided with the intention of improving accuracy and precision of radioxenon measurements.

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Radioxenon Detection for Monitoring Subsurface Nuclear Explosion

Gadey

2023

Gamma Ray Imaging

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Xenon International Overview

Cited by 6 publications

References 0 publications

In the nuclear explosion monitoring context, what is an anomaly?

In the nuclear explosion monitoring context, what is an anomaly?

Radioxenon net count calculations revisited

Radioxenon Detection for Monitoring Subsurface Nuclear Explosion

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