Development of a beta spectrometry setup using metallic magnetic calorimeters

Publikation: Beitrag in FachzeitschriftArtikelForschungPeer-Review

Autoren

  • M. Paulsen
  • J. Beyer
  • L. Bockhorn
  • C. Enss
  • S. Kempf
  • K. Kossert
  • M. Loidl
  • R. Mariam
  • O. Nahle
  • P. Ranitzsch
  • M. Rodrigues

Externe Organisationen

  • Physikalisch-Technische Bundesanstalt (PTB)
  • Ruprecht-Karls-Universität Heidelberg
  • Laboratoire National Henri Becquerel
Forschungs-netzwerk anzeigen

Details

OriginalspracheEnglisch
AufsatznummerP08012
FachzeitschriftJournal of Instrumentation
Jahrgang14
Ausgabenummer8
PublikationsstatusVeröffentlicht - 8 Aug. 2019
Extern publiziertJa

Abstract

The precise knowledge of beta spectrum shapes is relevant in radionuclide metrology, e.g. when determining the activity of samples containing beta emitting isotopes, as well as in fundamental research or applications such as nuclear medicine. We present a newly developed beta spectrometer that utilizes Metallic Magnetic Calorimeters (MMCs) which have 4π absorbers and operates at temperatures < 100 mK. Microfabricated MMC detectors designed for five beta energy intervals enable the measurement of beta spectra with endpoint energies Emax ranging from a few tens of keV up to 1 MeV. The different detector types are read out by Superconducting QUantum Interference Device (SQUID) current sensors with compatible input inductances. In particular, we discuss the MMC detector design, absorber/source preparation, data acquisition and handling of the relatively large measurement data sets. The realized setup allows for high resolution beta spectrometry, which was shown via a test measurement of 99Tc (Emax = 293.8 keV) using an external photon-emitting 241Am calibration source.

ASJC Scopus Sachgebiete

Zitieren

Development of a beta spectrometry setup using metallic magnetic calorimeters. / Paulsen, M.; Beyer, J.; Bockhorn, L. et al.
in: Journal of Instrumentation, Jahrgang 14, Nr. 8, P08012, 08.08.2019.

Publikation: Beitrag in FachzeitschriftArtikelForschungPeer-Review

Paulsen, M, Beyer, J, Bockhorn, L, Enss, C, Kempf, S, Kossert, K, Loidl, M, Mariam, R, Nahle, O, Ranitzsch, P & Rodrigues, M 2019, 'Development of a beta spectrometry setup using metallic magnetic calorimeters', Journal of Instrumentation, Jg. 14, Nr. 8, P08012. https://doi.org/10.1088/1748-0221/14/08/P08012
Paulsen, M., Beyer, J., Bockhorn, L., Enss, C., Kempf, S., Kossert, K., Loidl, M., Mariam, R., Nahle, O., Ranitzsch, P., & Rodrigues, M. (2019). Development of a beta spectrometry setup using metallic magnetic calorimeters. Journal of Instrumentation, 14(8), Artikel P08012. https://doi.org/10.1088/1748-0221/14/08/P08012
Paulsen M, Beyer J, Bockhorn L, Enss C, Kempf S, Kossert K et al. Development of a beta spectrometry setup using metallic magnetic calorimeters. Journal of Instrumentation. 2019 Aug 8;14(8):P08012. doi: 10.1088/1748-0221/14/08/P08012
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abstract = "The precise knowledge of beta spectrum shapes is relevant in radionuclide metrology, e.g. when determining the activity of samples containing beta emitting isotopes, as well as in fundamental research or applications such as nuclear medicine. We present a newly developed beta spectrometer that utilizes Metallic Magnetic Calorimeters (MMCs) which have 4π absorbers and operates at temperatures < 100 mK. Microfabricated MMC detectors designed for five beta energy intervals enable the measurement of beta spectra with endpoint energies Emax ranging from a few tens of keV up to 1 MeV. The different detector types are read out by Superconducting QUantum Interference Device (SQUID) current sensors with compatible input inductances. In particular, we discuss the MMC detector design, absorber/source preparation, data acquisition and handling of the relatively large measurement data sets. The realized setup allows for high resolution beta spectrometry, which was shown via a test measurement of 99Tc (Emax = 293.8 keV) using an external photon-emitting 241Am calibration source.",
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AU - Paulsen, M.

AU - Beyer, J.

AU - Bockhorn, L.

AU - Enss, C.

AU - Kempf, S.

AU - Kossert, K.

AU - Loidl, M.

AU - Mariam, R.

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AU - Ranitzsch, P.

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Y1 - 2019/8/8

N2 - The precise knowledge of beta spectrum shapes is relevant in radionuclide metrology, e.g. when determining the activity of samples containing beta emitting isotopes, as well as in fundamental research or applications such as nuclear medicine. We present a newly developed beta spectrometer that utilizes Metallic Magnetic Calorimeters (MMCs) which have 4π absorbers and operates at temperatures < 100 mK. Microfabricated MMC detectors designed for five beta energy intervals enable the measurement of beta spectra with endpoint energies Emax ranging from a few tens of keV up to 1 MeV. The different detector types are read out by Superconducting QUantum Interference Device (SQUID) current sensors with compatible input inductances. In particular, we discuss the MMC detector design, absorber/source preparation, data acquisition and handling of the relatively large measurement data sets. The realized setup allows for high resolution beta spectrometry, which was shown via a test measurement of 99Tc (Emax = 293.8 keV) using an external photon-emitting 241Am calibration source.

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