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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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Bibliographic Details
Main Authors: Loidl, Martin (Author) , Beyer, Jörg (Author) , Bockhorn, Lina (Author) , Enss, Christian (Author) , Kempf, Sebastian (Author) , Kossert, Karsten (Author) , Mariam, R. (Author) , Nähle, Ole Jens (Author) , Paulsen, Michael (Author) , Ranitzsch, Philipp (Author) , Rodrigues, Myriam (Author) , Schmidt, Marco (Author)
Format: Article (Journal)
Language:English
Published: 31 July 2019
In: Applied radiation and isotopes
Year: 2019, Volume: 153
ISSN:1872-9800
DOI:10.1016/j.apradiso.2019.108830
Online Access:Verlag, lizenzpflichtig, Volltext: https://doi.org/10.1016/j.apradiso.2019.108830
Verlag, lizenzpflichtig, Volltext: http://www.sciencedirect.com/science/article/pii/S0969804319304452
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Author Notes:M. Loidl, J. Beyer, L. Bockhorn, C. Enss, S. Kempf, K. Kossert, R. Mariam, O. Nähle, M. Paulsen, P. Ranitzsch, M. Rodrigues, M. Schmidt
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Summary: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.
Item Description:Gesehen am 03.06.2020
Physical Description:Online Resource
ISSN:1872-9800
DOI:10.1016/j.apradiso.2019.108830

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