학술논문

Direct low-energy measurement of 37Ar and 127Xe in a radiotracer gas using low-background proportional counters.
Document Type
Article
Source
Journal of Radioanalytical & Nuclear Chemistry. Oct2018, Vol. 318 Issue 1, p125-129. 5p. 1 Diagram, 4 Charts, 2 Graphs.
Subject
*RADIOACTIVE tracers
*NUCLEAR counters
*ARGON
*XENON
*GAS migration
Language
ISSN
0236-5731
Abstract
A radiotracer gas with a blend of 37Ar and 127Xe was created for a gas migration experiment and was characterized at Pacific Northwest National Laboratory using ultra-low-background proportional counters. This paper describes the direct low-energy measurement of 37Ar and 127Xe in a dual-isotope sample. Using this low-energy technique, the dual-isotope radiotracer gas was determined to have activity concentrations of 483 Bq/cc and 1435 Bq/cc for 37Ar and 127Xe, respectively, and a ratio of 1:3 on the reference date of 7/11/2016. [ABSTRACT FROM AUTHOR]