Direct low-energy measurement of 37Ar and 127Xe in a radiotracer gas using low-background proportional counters

A radiotracer gas with a blend of 37 Ar and 127 Xe 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 37 Ar and 127 Xe in a dual-isotope...

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Bibliographic Details
Published inJournal of radioanalytical and nuclear chemistry Vol. 318; no. 1; pp. 125 - 129
Main Authors Mace, Emily K., Aalseth, Craig E., Day, Anthony R., Hoppe, Eric W., McIntyre, Justin I., Seifert, Allen, Williams, Richard M.
Format Journal Article
LanguageEnglish
Published Cham Springer International Publishing 2018
Springer Nature B.V
Springer
Subjects
Chemistry
Chemistry and Materials Science
Diagnostic Radiology
Energy measurement
Hadrons
Heavy Ions
Inorganic Chemistry
Nuclear Chemistry
Nuclear Physics
Physical Chemistry
Proportional counters
Radioactive tracers
Proportional counter
Ar
Underground nuclear explosion
Ultra-low-background
Xe
Radiotracer
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Summary:A radiotracer gas with a blend of 37 Ar and 127 Xe 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 37 Ar and 127 Xe 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 37 Ar and 127 Xe, respectively, and a ratio of 1:3 on the reference date of 7/11/2016.
Bibliography:USDOE
AC05-76RL01830
PNNL-SA-133392
ISSN:0236-5731
1588-2780
DOI:10.1007/s10967-018-6074-z