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RESEARCH PRODUCT
Activity monitoring of a gaseous tritium source by beta induced X-ray spectrometry
M. BabutzkaFlorian PriesterErnst W. OttenM. SteidlS. EbenhöchGuido DrexlinMarco RölligJ. BonnMichael SturmBeate Bornscheinsubject
Materials scienceSilicon drift detectorSiliconMechanical EngineeringRadiochemistrychemistry.chemical_elementPartial pressureFusion powerMass spectrometryNuclear Energy and EngineeringchemistryBeta (plasma physics)General Materials ScienceTritiumBerylliumCivil and Structural Engineeringdescription
Abstract For monitoring and control of gaseous tritium sources in fuel circulation systems of fusion reactors beta induced X-ray spectrometry (BIXS) seems to be an applicable method. The characteristics of a BIXS monitoring setup built at TLK were examined. A low-noise silicon drift detector (SDD) was used together with two thin beryllium windows evaporated with gold films of 100 nm for efficient X-ray production. The measured X-ray intensity was proportional to the tritium partial pressure and the average detection efficiency was evaluated as 32.6 × 10−8 cps/Bq. A tritium memory effect was revealed. From the results it was concluded that such a monitoring system would be a useful complement for tritium analytics devices if well designed in terms of memory effect suppression.
| year | journal | country | edition | language |
|---|---|---|---|---|
| 2013-10-01 | Fusion Engineering and Design |