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A Thermal Model of Low-Temperature Light Detectors for Neutrinoless Double Beta Decay Experiments

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Title
A Thermal Model of Low-Temperature Light Detectors for Neutrinoless Double Beta Decay Experiments
Author(s)
Sang Goon Kim; Jin A Jeon; Kyungrae Woo; So Ra Kim; D.H. Kwon; Hye Jin Lee; Han Beom Kim; Yong Yong Lee; Minbin Kim; Lee, M.K.; Yong Hamb Kim
Publication Date
2023-06
Journal
Journal of Low Temperature Physics, v.211, no.5-6, pp.272 - 280
Publisher
Springer
Abstract
We report a detector model study for light detectors having Ge and Si wafers as absorbers with a metallic magnetic calorimeter (MMC) readout. The model explains the heat flow processes between the thermal components in the detector system, including athermal and thermal phonon transfers and electronic heat diffusion. The temperature dependence of the thermal conductance values was in good agreement with their expectations. The analysis also resulted in finding the characteristic time constants of the athermal phonons for direct absorption in the phonon collector film and for the downconversion to thermal phonons of the absorber wafers. It is a complete detector model to be applied for various detector variations such as the type and dimensions of the wafer absorber. © 2023, The Author(s).
URI
https://pr.ibs.re.kr/handle/8788114/14246
DOI
10.1007/s10909-023-02962-6
ISSN
0022-2291
Appears in Collections:
Center for Underground Physics(지하실험 연구단) > 1. Journal Papers (저널논문)
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