Ambient Dose and Dose Rate Measurement in SNOLAB Underground Laboratory at Sudbury, Ontario, Canada
arxiv(2023)
摘要
The paper describes a system and experimental procedure that use integrating
passive detectors, such as thermoluminescent dosimeters (TLDs), for the
measurement of ultra-low-level ambient dose equivalent rate values at the
underground SNOLAB facility located in Sudbury, Ontario, Canada. Because these
detectors are passive and can be exposed for relatively long periods of time,
they can provide better sensitivity for measuring ultra-low activity levels.
The final characterization of ultra-low-level ambient dose around water
shielding for ongoing direct dark matter search experiments in Cube Hall at
SNOLAB underground laboratory is given. The conclusion is that TLDs provide
reliable results in the measurement of the ultra-low-level environmental
radiation background.
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