Initial characterization of unequal-length, low-background proportional counters for absolute gas-counting applications
- Pacific Northwest National Laboratory, 902 Battelle Blvd, MSIN J4-80, Richland, WA (United States)
Characterization of two sets of custom unequal length proportional counters is underway at Pacific Northwest National Laboratory (PNNL). These detectors will be used in measurements to determine the absolute activity concentration of gaseous radionuclides (e.g., {sup 37}Ar). A set of three detectors has been fabricated based on previous PNNL ultra-low-background proportional counter designs and now operate in PNNL's shallow underground counting laboratory. A second set of four counters has also been fabricated using clean assembly of Oxygen-Free High-Conductivity copper components for use in a shielded above-ground counting laboratory. Characterization of both sets of detectors is underway with measurements of background rates, gas gain, and energy resolution. These results will be presented along with a shielding study for the above-ground cave.
- OSTI ID:
- 22218193
- Journal Information:
- AIP Conference Proceedings, Journal Name: AIP Conference Proceedings Journal Issue: 1 Vol. 1549; ISSN APCPCS; ISSN 0094-243X
- Country of Publication:
- United States
- Language:
- English
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