The CANDLES trigger system for the study of Double Beta Decay of 48Ca

T. Maeda, S. Ajimura, K. Ichimura, T. Ishikawa, M. Nomachi, I. Ogawa, M. Saka, K. Seki, Y. Sugaya, K. Suzuki, S. Umehara

研究成果: Conference contribution

抄録

The CANDLES trigger system is used for the study of Double Beta Decay of 48Ca. The detector of this experiment consists of CaF2 crystals as the sources and the detectors, immersed in the liquid scintillator as a 4π active shield. Because the decay constant of liquid scintillator (∼a few10ns) is a few ten times shorter than that of CaF2 scintillator (∼1μs), if we trigger the signal by the pulse height, the energy threshold of liquid scintillator lights are a few ten times lower than CaF2's one. High counting rate of the liquid scintillator causes dead time. In order to avoid this problem, we have developed a Dual Gate Trigger. In this paper, we describe the trigger system of the CANDLES experiment and its performance.

本文言語English
ホスト出版物のタイトル2014 19th IEEE-NPSS Real Time Conference, RT 2014 - Conference Records
出版社Institute of Electrical and Electronics Engineers Inc.
ISBN(電子版)9781479936595
DOI
出版ステータスPublished - 2014
外部発表はい
イベント2014 19th IEEE-NPSS Real Time Conference, RT 2014 - Nara, Japan
継続期間: 2014 5 262014 5 30

出版物シリーズ

名前2014 19th IEEE-NPSS Real Time Conference, RT 2014 - Conference Records

Conference

Conference2014 19th IEEE-NPSS Real Time Conference, RT 2014
CountryJapan
CityNara
Period14/5/2614/5/30

ASJC Scopus subject areas

  • Computational Theory and Mathematics
  • Computer Networks and Communications
  • Software
  • Electrical and Electronic Engineering
  • Information Systems

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