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- Title
Transition-Edge Sensors for HOLMES.
- Authors
Puiu, A.; Becker, D.; Bennett, D.; Biasotti, M.; Borghesi, M.; De Gerone, M.; Faverzani, M.; Ferri, E.; Fowler, J.; Gallucci, G.; Gard, J.; Gatti, F.; Hilton, G.; Giachero, A.; Mates, J.; Nucciotti, A.; Pessina, G.; Schmidt, D.; Swetz, D.; Ullom, J.
- Abstract
HOLMES is an experiment aiming at performing a direct measurement of the neutrino mass from the electron capture (EC) spectrum of 163 Ho . In order to reach a sensitivity of the order of ∼ 1 eV/c 2 on the neutrino mass, it is necessary to gather as many as 10 13 events in the 3-year projected live time of HOLMES, keeping the pileup fraction as low as 10 - 4 . This is not a trivial matter when it comes to low- temperature calorimeters, which usually have a rather slow time response. At the same time, a large number of detectors need to be operated simultaneously, and hence, in order to avoid an extremely large cryogenic facility, multiplexing is required. In this contribution, I will outline the current status and perspective of HOLMES, with special care devoted to the detectors and readout system, which have currently reached their target performance.
- Subjects
ELECTRON capture; NEUTRINO mass; DETECTORS; MASS measurement
- Publication
Journal of Low Temperature Physics, 2020, Vol 199, Issue 3/4, p716
- ISSN
0022-2291
- Publication type
Article
- DOI
10.1007/s10909-019-02290-8