Accès ouvert
2017
report
OpenAlex
Pacific Northwest National Lab. (PNNL), Richland, WA (United States), Theodore Bowyer, USDOE, Christopher Gesh et autres
This report details efforts to develop a technique which is able to detect and quantify the mass of 240Pu in waste storage tanks and other enclosed spaces. If the isotopic ratios of the plutonium contained in the enclosed space is also known, …
us
(code pays fourni par la source)
Accès ouvert
2016
report
OpenAlex
Brad G. Fritz, USDOE, David Abrecht, James Hayes et autres
Soil gas sampling is currently conducted in support of Nuclear Test Ban treaty verification. Soil gas samples are collected and analyzed for isotopes of interest. Some issues that can impact sampling and analysis of these samples are excess moisture and sample processing …
us
(code pays fourni par la source)
Accès ouvert
2016
report
OpenAlex
Matthew G. Cooper, USDOE, James Hayes, Brian Schrom et autres
This report highlights the work that has been completed on concentration calculations, uncertainties and minimum detectable concentration (MDC) for radioxenon collection systems. A discussion on the theory behind MDC calculations is given. In addition, regions of interest (ROI) and their role in …
us
(code pays fourni par la source)
Accès ouvert
2014
report
OpenAlex
Matthew W. Cooper, USDOE, James Hayes, L. Lidey
This is the year end report that is due to the client. The MRVL system is designed to measure multiple radioxenon isotopes (135Xe, 133Xe, 133mXe and 133mXe) simultaneously. The system has 12 channels to load samples and make nuclear measurements. Although the …
us
(code pays fourni par la source)
Accès ouvert
2009
report
OpenAlex
Ted W. Bowyer, USDOE Office of Energy Efficiency and Renewable Energy (EERE), US Dept. of Defense, Fort Belvoir, VA (United States, Matthew Cooper et autres
Under the Comprehensive Nuclear-Test-Ban Treaty (CTBT), radioactive xenon (radioxenon) measurements are one of the principle techniques used to detect nuclear underground nuclear explosions, and specifically, the presence of one or more radioxenon isotopes allows one to determine whether a suspected event was …
us, at
(code pays fourni par la source)