Feb 15 – 19, 2026
Grand Hotel Mediterraneo
Europe/Rome timezone
12th International Conference on Isotopes - 12ICI

RADIOXEON MEASUREMENTS AND SOURCES IN ATLANTA, GEORGIA, USA

Feb 18, 2026, 12:20 PM
20m
Plenaria: Asia Room (Grand Hotel Mediterraneo)

Plenaria: Asia Room

Grand Hotel Mediterraneo

Oral presentation 3. Isotopes in the Environment 3. Isotopes in the Environment - Wed_S1_B

Speaker

Steven Biegalski (Georgia Institute of Technology)

Summary

A measurement campaign of radioxenon was initiated in Atlanta, GA, USA in 2025 using a SAUNA Qb [Ringbom et al., 2023] system deployed on the campus of the Georgia Institute of Technology. Initial results have confirmed the detection of both 133Xe and 131mXe. Radioxenon isotopes are critical for monitoring anthropogenic radionuclide emissions, particularly in the context of the Comprehensive Nuclear-Test-Ban Treaty (CTBT). While the primary objective of CTBT monitoring is to identify nuclear weapon explosions, accurate interpretation requires a robust understanding of background levels arising from civilian nuclear power generation and medical isotope production. Establishing baseline measurements in urban areas such as Atlanta is therefore essential to distinguish anomalous signatures from routine industrial or medical activities.

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Author

Steven Biegalski (Georgia Institute of Technology)

Co-authors

Ms Abigail Taylor (Georgia Institute of Technology) Dr Daniel Chester (AWE) Dr Matthew Goodwin (AWE)

Presentation materials

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