The CANDLES experiment for the study of Ca-48 double beta decay

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• 作者：T. Iida^a ; T. Kishimoto^a ; ^b ; M. Nomachi^a ; S. Ajimura^a ; S. Umehara^a ; K. Nakajima^a ; K. Ichimura^a ; S. Yoshida^b ; K. Suzuki^b ; H. Kakubata^b ; W. Wang^b ; W.M. Chan^b ; V.T.T. Trang^b ; M. Doihara^b ; T. Ishikawa^b ; D. Tanaka^b ; M. Tanaka^b ; T. Maeda^b ; T. Ohata^b ; K. Tetsuno^b ; Y. Tamagawa^c ; I. Ogawa^c ; S. Tomita^c ; G. Fujita^c ; A. Kawamura^c ; T. Harada^c ; Y. Inukai^c ; K. Sakamoto^c ; M. Yoshizawa^c ; K. Fushimi^d ; R. Hazama^e ; N. Nakatani^e ; H. Osumi^f ; K. Okada^g
• 关键词：Double beta decay ; Neutrino ; Calcium 48
• 刊名：Nuclear and Particle Physics Proceedings
• 出版年：2016
• 出版时间：April-June 2016
• 年：2016
• 卷：273-275
• 期：Complete
• 页码：2633-2635
• 全文大小：380 K

文摘

CANDLES studies the double beta decay of ⁴⁸Ca through CaF₂ scintillation crystals. The CANDLES III detector, located in Kamioka underground laboratory, is currently running. Here we describe recent status of data analysis which includes detector performance, detector stability, and background estimation. Current sensitivity for 0νββ$0\nu \beta \beta$ half-life is also discussed in this paper.