Final results of CALDER: Kinetic inductance light detectors to search for rare events

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 $5\times 5$ cm${}^2$, 650 $\mu$m thick silicon substrate coupled to a single kinetic inductance detector made of a three-layer aluminum-titanium-aluminum. The baseline energy resolution is 34$\pm$1(stat)$\pm$2(syst) eV RMS and the response time is 120 $\mu$s. These features, along with the natural multiplexing capability of kinetic inductance detectors, meet the requirements of future large-scale experiments.

7 pages, 7 figures

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Cited by in corpus (8)

• The Canfranc Axion Detection Experiment (CADEx): Search for axions at 90 GHz with Kinetic Inductance Detectors
• BULLKID: Monolithic array of particle absorbers sensed by Kinetic Inductance Detectors
• Observation of a nuclear recoil peak at the 100 eV scale induced by neutron capture
• Performance of a Kinetic Inductance Phonon-Mediated Detector at the NEXUS Cryogenic Facility
• Low-energy spectrum of the BULLKID detector array operated on surface
• Sub-keV Electron Recoil Calibration for Macroscopic Cryogenic Calorimeters using a Novel X-ray Fluorescence Source
• Germanium target sensed by phonon-mediated kinetic inductance detectors
• Enhanced Athermal Phonon Responsivity in a Kinetic Inductance Detector with Integrated Phonon Collectors