The U.S. Department of Energy (DOE) is conducting radioanalytical developmental programs with the goal of providing near real-time analysis technology for airborne signature radionuclides which are indicative of a nuclear weapons test in any of the earth’s environments. If a test were conducted in the atmosphere or above the atmosphere, then the full spectrum of fission and activation products, together with residues from the device would be dispersed in the atmosphere. However, if a nuclear test were conducted underground or underwater, the emission could range from a major to a very minor vent, and the material released would likely consist mainly of noble gas radionuclides and the radioiodines. Since many of the noble gases decay to form particulate radionuclides, these may serve as the more sensitive signatures. For example, Ba-140 is a daughter of Xe-140 (13.6 s), and Cs-137 is a daughter of Xe-137 (3.82 min). Both of these have been observed in large amounts relative to other fission products in dynamic venting of U.S. underground nuclear detonations.
CITATION STYLE
Perkins, R. W., Miley, H. S., Hensley, W. K., & Abel, K. H. (1996). Airborne Radionuclides of Concern and Their Measurement in Monitoring a Comprehensive Test Ban Treaty. In Monitoring a Comprehensive Test Ban Treaty (pp. 143–155). Springer Netherlands. https://doi.org/10.1007/978-94-011-0419-7_12
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