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- Title
Characterization of the Phonon Sensor of the CRYOSEL Detector with IR Photons.
- Authors
Lattaud, H.; Guy, E.; Billard, J.; Colas, J.; Jésus, M. De; Gascon, J.; Juillard, A.; Marnieros, S.; Oriol, C.
- Abstract
The sensitivities of light Dark matter particle searches with cryogenic detectors are mostly limited by large backgrounds of events that do not produce ionization signal. The CRYOSEL project develops a new technique, where this background in a germanium cryogenic detector is rejected by using the signals from a superconducting single electron device (SSED) sensor designed to detect the phonons emitted through the Neganov–Trofimov–Luke effect by the e - h + pairs as they drift in a nearby very high-field region. A tag on signals from this device should suppress the heat-only background. The measurement of the response to IR laser pulses of the first CRYOSEL prototype show the relevance of such sensor technology.
- Subjects
PHOTON detectors; INFRARED detectors; GERMANIUM detectors; PHONONS; DETECTORS; NEUTRINOLESS double beta decay
- Publication
Journal of Low Temperature Physics, 2024, Vol 215, Issue 3/4, p268
- ISSN
0022-2291
- Publication type
Article
- DOI
10.1007/s10909-024-03096-z