Thermal neutron monitoring using cellulose nitrate track detector by means of spark counter.

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概要

• 論文の詳細を見る

• Cellulose nitrate films were examined for thermal neutron monitoring in contact with several kinds of (n, α) converter materials such as a plastic sheet doped with 1% boron, a solidified boron oxide plate, a single crystal plate of boron oxide and that of lithium fluoride. After thermal neutron irradiation in a research reactor, the films were etched in alkaline solution. The etch-pits on the films were counted with a spark counter. The single crystal converter of lithium fluoride was found to be the most sensitive for thermal neutron. A method for producing the single crystal converter was described. Linear relation between thermal neutron fluence and spark counts was found to be in the fluence range of 2 ×10<SUP>6</SUP> 3 × 10<SUP>7</SUP> n/cm<SUP>2</SUP> in case of using a lithium fluoride single crystal converter.

• 一般社団法人 日本原子力学会の論文

著者

• Morishima Hiroshige

  Atomic Energy Research Institute Kinki University

• Niwa Takeo

  Atomic Energy Research Institute, Kinki University

• Kawai Hiroshi

  Atomic Energy Research Institute, Kinki University

• Koga Taeko

  Atomic Energy Research Institute Kinki University

• Morishima Hiroshige

  Atomic Energy Research Institute, Kinki University

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