KIP-Veröffentlichungen

Jahr 2018
Autor(en) M. Loidl, J. Beyer, L. Bockhorn, C. Enss, D. Györi, S. Kempf, K. Kossert, R. Mariam, O. Nähle, M. Paulsen, M. Rodrigues, M. Schmidt
Titel MetroBeta: Beta Spectrometry with Metallic Magnetic Calorimeters in the Framework of the European Program of Ionizing Radiation Metrology
KIP-Nummer HD-KIP 18-166
KIP-Gruppe(n) F3,F4,F5
Dokumentart Paper
Keywords (angezeigt) Beta spectrometry · Metallic magnetic calorimeter · Ionizing radiation metrology
Quelle J. Low Temp. Phys. 193, 1251 (2018)
doi 10.1007/s10909-018-1933-0
Abstract (en)

MetroBeta is a European project aiming at the improvement of the knowl- edge of the shapes of beta spectra, both in terms of theoretical calculations and measurements. It is part of a common European program of ionizing radiation metrol- ogy. Metallic magnetic calorimeters (MMCs) with the beta emitter embedded in the absorber have in the past 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. A new detector module with thermal decoupling of MMC and SQUID chips was designed. An important aspect of the research and development concerns the source/absorber preparation techniques. Four beta spectra with maximum energies ranging from 76 to 709 keV will be mea- sured. Improved theoretical calculation methods and complementary measurement techniques complete the project.

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