The next generation of bolometric experiments searching for rave events, in particular for the neutrino-less double beta decay, needs fast, high-sensitivity and easy-to-scale cryogenic light detectors. The CALDER project (2014–2020) developed a new technology for light detection at cryogenic temperature. In this paper we describe the achievements and the final prototype of this project, consisting of a 5×5cm2, 650μm thick silicon substrate coupled to a single kinetic inductance detector made of a three-layer aluminum-titanium-aluminum. The baseline energy resolution is 34 ± 1 (stat)± 2 (syst) eV RMS and the response time is 120μs. These features, along with the natural multiplexing capability of kinetic inductance detectors, meet the requirements of future large-scale experiments.
Final results of CALDER: kinetic inductance light detectors to search for rare events / Cardani, L.; Casali, N.; Colantoni, I.; Cruciani, A.; Di Domizio, S.; Martinez, M.; Pettinacci, V.; Pettinari, G.; Vignati, M.. - In: THE EUROPEAN PHYSICAL JOURNAL. C, PARTICLES AND FIELDS. - ISSN 1434-6044. - 81:7(2021). [10.1140/epjc/s10052-021-09454-5]
Final results of CALDER: kinetic inductance light detectors to search for rare events
Cardani L.;Casali N.;Colantoni I.;Cruciani A.;Martinez M.;Pettinacci V.;Pettinari G.;Vignati M.
2021
Abstract
The next generation of bolometric experiments searching for rave events, in particular for the neutrino-less double beta decay, needs fast, high-sensitivity and easy-to-scale cryogenic light detectors. The CALDER project (2014–2020) developed a new technology for light detection at cryogenic temperature. In this paper we describe the achievements and the final prototype of this project, consisting of a 5×5cm2, 650μm thick silicon substrate coupled to a single kinetic inductance detector made of a three-layer aluminum-titanium-aluminum. The baseline energy resolution is 34 ± 1 (stat)± 2 (syst) eV RMS and the response time is 120μs. These features, along with the natural multiplexing capability of kinetic inductance detectors, meet the requirements of future large-scale experiments.| File | Dimensione | Formato | |
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