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Beta spectrometry with metallic magnetic calorimeters in the framework of the European EMPIR project MetroBeta

The aim of the European Metrology Research Project MetroBeta is to improve the knowledge of the shapes of beta spectra, both in terms of theoretical calculation and measurement. The precise knowledge of beta spectra is required for the activity standardisation of pure beta emitters. Metallic magneti...

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Hauptverfasser: Loidl, Martin (VerfasserIn) , Beyer, Jörg (VerfasserIn) , Bockhorn, Lina (VerfasserIn) , Enss, Christian (VerfasserIn) , Kempf, Sebastian (VerfasserIn) , Kossert, Karsten (VerfasserIn) , Mariam, R. (VerfasserIn) , Nähle, Ole Jens (VerfasserIn) , Paulsen, Michael (VerfasserIn) , Ranitzsch, Philipp (VerfasserIn) , Rodrigues, Myriam (VerfasserIn) , Schmidt, Marco (VerfasserIn)
Dokumenttyp: Article (Journal)
Sprache:Englisch
Veröffentlicht: 31 July 2019
In: Applied radiation and isotopes
Year: 2019, Jahrgang: 153
ISSN:1872-9800
DOI:10.1016/j.apradiso.2019.108830
Online-Zugang:Verlag, lizenzpflichtig, Volltext: https://doi.org/10.1016/j.apradiso.2019.108830
Verlag, lizenzpflichtig, Volltext: http://www.sciencedirect.com/science/article/pii/S0969804319304452
Volltext
Verfasserangaben:M. Loidl, J. Beyer, L. Bockhorn, C. Enss, S. Kempf, K. Kossert, R. Mariam, O. Nähle, M. Paulsen, P. Ranitzsch, M. Rodrigues, M. Schmidt
Beschreibung
Zusammenfassung:The aim of the European Metrology Research Project MetroBeta is to improve the knowledge of the shapes of beta spectra, both in terms of theoretical calculation and measurement. The precise knowledge of beta spectra is required for the activity standardisation of pure beta emitters. Metallic magnetic calorimeters (MMCs), a type of cryogenic detectors, with the beta emitter embedded in the absorber have proven to be among the best beta spectrometers, in particular for low-energy beta transitions. Within this project, new designs of MMCs optimized for five different beta energy ranges were developed and a new detector module was constructed. The beta spectra of 151Sm, 14C and 99Tc have been measured so far; additional measurements with 36Cl are under preparation. Improved theoretical calculation methods and complementary measurement techniques complete the project.
Beschreibung:Gesehen am 03.06.2020
Beschreibung:Online Resource
ISSN:1872-9800
DOI:10.1016/j.apradiso.2019.108830

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