Trace radioactive impurities in final construction materials for EXO-200

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DOIResolve DOI: http://doi.org/10.1016/j.nima.2017.04.049
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TypeArticle
Journal titleNuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment
ISSN0168-9002
Volume871
Pages169179
Subjectradiopurity; ultra-trace analysis; neutron activation analysis; mass spectrometry; mass spectroscopy; germanium counting; alpha counting; low background; double beta decay; EXO; EXO-200
AbstractWe report results from a systematic measurement campaign conducted to identify low radioactivity materials for the construction of the EXO-200 double beta decay experiment. Partial results from this campaign have already been reported in a 2008 paper by the EXO collaboration. Here we release the remaining data, collected since 2007, to the public. The data reported were obtained using a variety of analytic techniques. The measurement sensitivities are among the best in the field. Construction of the EXO-200 detector has been concluded, and Phase-I data was taken from 2011 to 2014. The detector’s extremely low background implicitly verifies the measurements and the analysis assumptions made during construction and reported in this paper.
Publication date
PublisherElsevier
LanguageEnglish
AffiliationMeasurement Science and Standards; National Research Council Canada
Peer reviewedYes
NPARC number23002363
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Record identifier84b37f82-e275-4ccb-870a-1650e90ad739
Record created2017-10-23
Record modified2017-10-23
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