Bergeron, D.
and Zimmerman, B.
(2010),
TDCR Measurements on Pu-241 at NIST, Radiocarbon, [online], https://tsapps.nist.gov/publication/get_pdf.cfm?pub_id=906599
(Accessed May 1, 2025)
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TDCR Measurements on Pu-241 at NIST
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Author(s)
,
Abstract
We have performed a series of measurements on a Pu-241 solution using the triple-to-double coincidence ratio (TDCR) liquid scintillation technique. A similar series of measurements in 2007 revealed significant discord between activity values determined via TDCR and those determined via efficiency tracing and Am-241-ingrowth LS methods. We describe how consideration of photomultiplier statistics, internal scintillation photon reflection effects, photopeak rejection, and count correction for impurities brought the new series of TDCR measurements into improved accord with other techniques.Citation
Radiocarbon
Pub Type
Journals
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Keywords
triple-to-double coincidence ratio, liquid scintillation, Plutonium-241
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Created December 21, 2010, Updated February 19, 2017