Low background techniques in CANDLES

CANDLES is a double beta decay experiment using 48Ca in CaF2 crystals. The measurement is being performed with prototype detector (CANDLES III) for high sensitive measurement in the future. Recent status of detector improvements and background reduction techniques are described in this paper.

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Bibliographic Details
Main Authors: Nakajima, K., Graduate School of Engineering, University of Fukui, Fukui 910-8507, Iida, T., Matsuoka, K., Nomachi, M., Umehara, S., Kishimoto, T., Graduate School of Science, Osaka University, Toyonaka, Osaka 560-0043, Chan, W. M., Kakubata, H., Li, X., Maeda, T., Ohata, T., Temuge, B., Tetsuno, K., Trang, V. T. T., Uehara, T., Yoshida, S., Morishita, K., Ogawa, I., Sakamoto, K., Tamagawa, Y.
Format: Conference Proceeding
Language:English
Subjects:
BACKGROUND RADIATION
Beta decay
CALCIUM 48
Candles
CRYSTALS
DOUBLE BETA DECAY
INSTRUMENTATION RELATED TO NUCLEAR SCIENCE AND TECHNOLOGY
SENSITIVITY
SOLID SCINTILLATION DETECTORS
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Description
Summary:CANDLES is a double beta decay experiment using 48Ca in CaF2 crystals. The measurement is being performed with prototype detector (CANDLES III) for high sensitive measurement in the future. Recent status of detector improvements and background reduction techniques are described in this paper.
ISSN:0094-243X
1551-7616
DOI:10.1063/1.4928006