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Low level activity determination by means of gamma spectrometry with respect to the natural background fluctuation
L. Dragounová, P. Rulík,
Language English Country England, Great Britain
Document type Journal Article, Research Support, Non-U.S. Gov't
- MeSH
- Algorithms * MeSH
- Equipment Failure Analysis MeSH
- Artifacts * MeSH
- Radiation Dosage MeSH
- Equipment Design MeSH
- Background Radiation * MeSH
- Reproducibility of Results MeSH
- Sensitivity and Specificity MeSH
- Spectrometry, Gamma instrumentation methods MeSH
- Thorium analysis MeSH
- Uranium analysis MeSH
- Publication type
- Journal Article MeSH
- Research Support, Non-U.S. Gov't MeSH
The determination of low level activities of natural radionuclides from the uranium and thorium series by gamma-spectrometry faces the problem of proper natural background subtraction. Background fluctuation can cause differences in activity determination. Also the minimum detectable activity (MDA) of natural and artificial radionuclides can be influenced by background fluctuation. In this paper, results of the background fluctuation of shielded HPGe detectors with relative efficiency of 50-150% are presented together with the assessment of its influence on the determination of natural and artificial radionuclides.
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- $a The determination of low level activities of natural radionuclides from the uranium and thorium series by gamma-spectrometry faces the problem of proper natural background subtraction. Background fluctuation can cause differences in activity determination. Also the minimum detectable activity (MDA) of natural and artificial radionuclides can be influenced by background fluctuation. In this paper, results of the background fluctuation of shielded HPGe detectors with relative efficiency of 50-150% are presented together with the assessment of its influence on the determination of natural and artificial radionuclides.
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