DOE OSTI · 2544190
Analysis of 127 Xe tracer measurements using a net counts method
Abstract
A suite of measurement systems were deployed as part of the Physical Experiment 1 series of experiments, which involved detonating chemical explosives along with radionuclide tracers in an underground cavity, at the Nevada National Security Site (NNSS) in the United States. One of the radionuclide tracers, 127 Xe was released from the containment following the explosion and detected on a SAUNA Q B sampler situated approximately 3.5 km away. The system uses a beta-gamma coincidence detector system to measure fission product radioisotopes of xenon relevant to nuclear explosion monitoring. In this work we use the coincidence measurement data to analyse and interpret the results from the SAUNA Q B system, to calculate the measured 127 Xe activity concentration(s).
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Goodwin, Matthew A. [Atomic Weapons Establishment (AWE), Berkshire (United Kingdom)], Chester, Daniel L. [Atomic Weapons Establishment (AWE), Berkshire (United Kingdom)], Galvin, Graham [Atomic Weapons Establishment (AWE), Berkshire (United Kingdom)], Eslinger, Paul W. [Pacific Northwest National Laboratory (PNNL), Richland, WA (United States)], Foxe, Michael P. [Pacific Northwest National Laboratory (PNNL), Richland, WA (United States)], Ely, James [Pacific Northwest National Laboratory (PNNL), Richland, WA (United States)], Turley, Reagan [Nevada National Security Site (NNSS), Santa Barbara, CA (United States)]. 2025-02-04. Analysis of 127 Xe tracer measurements using a net counts method. https://doi.org/10.1016/j.jenvrad.2025.107623
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