Search for Neutrino-less Double Beta Decay with CANDLES

S. Umehara, T. Kishimoto, M. Nomachi, S. Ajimura, T. Iida, K. Nakajima, K. Ichimura, K. Matsuoka, M. Saka, T. Ishikawa, D. Tanaka, M. Tanaka, T. Maeda, S. Yoshida, K. Suzuki, G. Ito, H. Kakubata, W. Wang, V. T.T. Trang, W. M. ChanJ. Takemoto, M. Doihara, T. Ohata, K. Tetsuno, Y. Tamagawa, I. Ogawa, T. Ueno, S. Maeda, A. Yamamoto, S. Tomita, G. Fujita, A. Kawamura, T. Harada, Y. Inukai, K. Sakamoto, M. Yoshizawa, K. Fushimi, R. Hazama, N. Nakatani, H. Ohsumi, K. Okada

Research output: Contribution to journalConference articlepeer-review

11 Citations (Scopus)

Abstract

CANDLES is the project to search for neutrino-less double beta decay (0νββ) of 48Ca. The observation of 0νββ will prove existence of a massive Majorana neutrino. For the 0νββ measurement, we need a low background condition because of a low decay rate of 0νββ. Now we installed the CANDLES III system at the Kamioka underground laboratory. The CANDLES III system realizes the low background condition by a characteristic structure and data analyses for background rejection. Here we report performances of the CANDLES III system.

Original languageEnglish
Pages (from-to)283-288
Number of pages6
JournalPhysics Procedia
Volume61
DOIs
Publication statusPublished - 2015
Externally publishedYes
Event13th International Conference on Topics in Astroparticle and Underground Physics, TAUP 2013 - , United States
Duration: 2013 Sept 82013 Sept 13

Keywords

  • calcium
  • double beta decay
  • neutrino

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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