A two-stage X-ray fluorescence source provides calibration lines from 677 eV to 8 keV, revealing a nonlinear response in a gram-scale cryogenic calorimeter.
Final results of CALDER: Kinetic inductance light detectors to search for rare events
1 Pith paper cite this work. Polarity classification is still indexing.
1
Pith paper citing it
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 $5\times5$ 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.
citation-role summary
background 1
citation-polarity summary
fields
physics.ins-det 1years
2025 1verdicts
CONDITIONAL 1roles
background 1polarities
unclear 1representative citing papers
citing papers explorer
-
Sub-keV Electron Recoil Calibration for Macroscopic Cryogenic Calorimeters using a Novel X-ray Fluorescence Source
A two-stage X-ray fluorescence source provides calibration lines from 677 eV to 8 keV, revealing a nonlinear response in a gram-scale cryogenic calorimeter.