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The first tests of a large-area light detector equipped with metallic magnetic calorimeters for scintillating bolometers for the LUMINEU neutrinoless double beta decay search

Future rare-event searches using scintillating crystals need very low background levels for high sensitivity; however, unresolved pile-up can limit this. We present the design and fabrication of large-area photon detectors based on metallic magnetic calorimeters (MMCs), optimized for fast rise times...

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Hauptverfasser: Gray, David (VerfasserIn) , Enss, Christian (VerfasserIn) , Fleischmann, Andreas (VerfasserIn) , Gastaldo, Loredana (VerfasserIn) , Velte, Clemens (VerfasserIn) , Hengstler, Daniel (VerfasserIn) , Kempf, Sebastian (VerfasserIn) , Loidl, M. (VerfasserIn) , Navick, X. F. (VerfasserIn) , Rodrigues, M. (VerfasserIn)
Dokumenttyp: Article (Journal)
Sprache:Englisch
Veröffentlicht: 18 February 2016
In: Journal of low temperature physics
Year: 2016, Jahrgang: 184, Heft: 3, Pages: 904-909
ISSN:1573-7357
DOI:10.1007/s10909-016-1535-7
Online-Zugang:Verlag, lizenzpflichtig, Volltext: https://doi.org/10.1007/s10909-016-1535-7
Volltext
Verfasserangaben:D. Gray, C. Enss, A. Fleischmann, L. Gastaldo, C. Hassel, D. Hengstler, S. Kempf, M. Loidl, X.F. Navick, M. Rodrigues
Beschreibung
Zusammenfassung:Future rare-event searches using scintillating crystals need very low background levels for high sensitivity; however, unresolved pile-up can limit this. We present the design and fabrication of large-area photon detectors based on metallic magnetic calorimeters (MMCs), optimized for fast rise times to resolve close pile-up. The first prototypes have been characterized using Fe-55 X-rays and ZnMoO$$_{4}$$4crystal scintillation light. A fast intrinsic rise time of 25-30 $$\upmu $$μs has been measured and has been compared to the 250 $$\upmu $$μs scintillation light pulse rise time constant. The difference indicates that the scintillation process limits the light pulse rise time. The fast rise time allows for a reduction of background due to close pile-up events as well as the study of the inherent crystal scintillation process. MMC-based photon detectors are shown to be a promising tool for scintillating crystal based rare event searches.
Beschreibung:Gesehen am 31.07.2020
Beschreibung:Online Resource
ISSN:1573-7357
DOI:10.1007/s10909-016-1535-7

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