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A CaMoO4 crystal low temperature detector for the AMoRE neutrinoless double beta decay search

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Title
A CaMoO4 crystal low temperature detector for the AMoRE neutrinoless double beta decay search
Author(s)
G.B. Kim; Choi S.; Danevich F.A.; Fleischmann A.; C.S. Kang; Kim H.J.; S.R. Kim; Y. D. Kim; Y. H. Kim; Kornoukhov V.A.; H. J. Lee; Lee J.H.; Lee M.K.; Lee S.J.; J.H. So; W. S. Yoon
Publication Date
2015
Journal
ADVANCES IN HIGH ENERGY PHYSICS, v.2015, no., pp.817530 -
Publisher
HINDAWI PUBLISHING CORPORATION
Abstract
We report the development of a CaMoO4 crystal low temperature detector for the AMoRE neutrinoless double beta decay (0]....) search experiment. The prototype detector cell was composed of a 216 g CaMoO4 crystal and a metallic magnetic calorimeter. An overground measurement demonstrated FWHM resolution of 6.11 keV for full absorption gamma peaks. Pulse shape discrimination was clearly demonstrated in the phonon signals, and 7.6 .. of discrimination power was found for the .. and ../.. separation.The phonon signals showed rise-times of about 1ms. It is expected that the relatively fast rise-time will increase the rejection efficiency of two-neutrino double beta decay pile-up events which can be one of the major background sources in 0].... searches. © 2015 G. B. Kim et al
URI
http://pr.ibs.re.kr/handle/8788114/2169
DOI
10.1155/2015/817530
ISSN
1687-7357
Appears in Collections:
Center for Underground Physics(지하실험 연구단) > Journal Papers (저널논문)
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