Characteristic evaluation of a Lithium-6 loaded neutron coincidence spectrometer

M. Hayashi, D. Kaku, Y. Watanabe, K. Sagara

研究成果: Contribution to journalArticle査読


Characteristics of a 6Li-loaded neutron coincidence spectrometer were investigated from both measurements and Monte Carlo simulations. The spectrometer consists of three 6Li-glass scintillators embedded in a liquid organic scintillator BC-501A, which can detect selectively neutrons that deposit the total energy in the BC-501A using a coincidence signal generated from the capture event of thermalised neutrons in the 6Li-glass scintillators. The relative efficiency and the energy response were measured using 4.7, 7.2 and 9.0 MeV monoenergetic neutrons. The measured ones were compared with the Monte Carlo calculations performed by combining the neutron transport code PHITS and the scintillator response calculation code SCINFUL. The experimental light output spectra were in good agreement with the calculated ones in shape. The energy dependence of the detection efficiency was reproduced by the calculation. The response matrices for 1-10 MeV neutrons were finally obtained.

ジャーナルRadiation Protection Dosimetry
出版ステータス出版済み - 2007

All Science Journal Classification (ASJC) codes

  • 放射線
  • 放射線技術および超音波技術
  • 放射線学、核医学およびイメージング
  • 公衆衛生学、環境および労働衛生


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