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Title: Discrimination of nuclear explosions against civilian sources based on atmospheric xenon isotopic activity ratios

Journal Article · · Pure and Applied Geophysics, 167(4-5):517-539

A global monitoring system for atmospheric xenon radioactivity is being established as part of the International Monitoring System that will be used to verify compliance with the Comprehensive Nuclear-Test-Ban Treaty (CTBT) once the treaty has entered into force. This paper studies isotopic activity ratios to support interpretation of observed atmospheric concentrations of 135Xe, 133mXe, 133Xe and 131mXe. The goal is to distinguish nuclear explosion sources from civilian releases. Simulations of nuclear explosions, empirical data for both test and reactor releases as well as observations by measurement stations of the International Noble Gas Experiment (INGE) are used to provide a proof of concept for the isotopic ratio based method for source discrimination.

Research Organization:
Pacific Northwest National Lab. (PNNL), Richland, WA (United States)
Sponsoring Organization:
USDOE
DOE Contract Number:
AC05-76RL01830
OSTI ID:
978504
Report Number(s):
PNNL-SA-65266; PAGYAV; NN2003000; TRN: US201010%%140
Journal Information:
Pure and Applied Geophysics, 167(4-5):517-539, Vol. 167, Issue 4-5; ISSN 0033-4553
Country of Publication:
United States
Language:
English