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지하실험 연구단
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Application of metallic magnetic calorimeter in rare event search

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Title
Application of metallic magnetic calorimeter in rare event search
Author(s)
I Kim; H S Jo; C S Kang; G B Kim; H L Kim; S R Kim; Y H Kim; H J Lee; J H Lee; M K Lee; S Y Oh; J H So
Publication Date
2017-09
Journal
SUPERCONDUCTOR SCIENCE & TECHNOLOGY, v.30, no.9, pp.094005 -
Publisher
IOP PUBLISHING LTD
Abstract
Metallic magnetic calorimeters (MMCs) are highly sensitive temperature sensors that use the paramagnetic nature of erbium in a metallic host and superconducting electronics usually composed of a superconducting niobium coil and a current sensing superconducting quantum interference device. This article discusses the applicability of MMCs in experimental searches for rare events in particle physics. A detector module using two MMCs was built to perform low-temperature measurements of heat and scintillation light generated by particle interaction in a 340 g 40Ca100MoO4 crystal. The energy transfer mechanism, from incident particles to the components of the heat and light sensors, is described through a thermal model. MMCs, with gold films collecting athermal phonons, can be used over wide ranges of operating temperature and crystal volume without a significant change in detector performances. Rare event searches could thus benefit from MMC-based detectors presenting such flexibility as well as excellent energy resolution and particle discrimination power. © 2017 IOP Publishing Ltd
URI
https://pr.ibs.re.kr/handle/8788114/4010
ISSN
0953-2048
Appears in Collections:
Center for Underground Physics(지하실험 연구단) > Journal Papers (저널논문)
Files in This Item:
Kim_2017_Supercond._Sci._Technol._30_094005 (2).pdfDownload

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