On-site underground background measurements for the KASKA reactor-neutrino experiment

H. Furuta, K. Sakuma, M. Aoki, Y. Fukuda, Y. Funaki, T. Hara, T. Haruna, N. Ishihara, M. Katsumata, T. Kawasaki, M. Kuze, J. Maeda, T. Matsubara, T. Matsumoto, H. Miyata, Y. Nagasaka, T. Nakagawa, N. Nakajima, K. Nitta, K. SakaiY. Sakamoto, F. Suekane, T. Sumiyoshi, H. Tabata, N. Tamura, Y. Tsuchiya

Research output: Contribution to journalArticlepeer-review

3 Citations (Scopus)

Abstract

On-site underground background measurements were performed for the planned reactor-neutrino oscillation experiment KASKA at Kashiwazaki-Kariwa nuclear power station in Niigata, Japan. A small-diameter boring hole was excavated down to 70 m underground level, and a detector unit for γ-ray and cosmic-muon measurements was placed at various depths to take data. The data were analyzed to obtain abundance of natural radioactive elements in the surrounding soil and rates of cosmic muons that penetrate the overburden. The results will be reflected in the design of the KASKA experiment.

Original languageEnglish
Pages (from-to)710-715
Number of pages6
JournalNuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment
Volume568
Issue number2
DOIs
Publication statusPublished - 2006 Dec 1

Keywords

  • Cosmic ray
  • Low background
  • Neutrino oscillation
  • Radioactivity
  • Reactor neutrino

ASJC Scopus subject areas

  • Nuclear and High Energy Physics
  • Instrumentation

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