歯のESR線量測定におけるCO<SUB>3</SUB><SUP>3-</SUP>信号の照射線量率依存性について

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タイトル別名
  • Exposure Rate Dependence of the CO33- Signal Intensity in ESR Dosimetry of Human Tooth Enamel.
  • 歯のESR線量測定におけるCO33-信号の照射線量率依存性について〔英文〕
  • ハ ノ ESR センリョウ ソクテイ ニ オケル CO3 3- シンゴウ ノ

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抄録

Experiments were made to determine the exposure rate dependence of CO33- signal intensity in ESR dosimetry of tooth enamel. Packages containing 100 mg of mixed tooth enamel of particle size of 500- 850μm were irradiated by 60Co gamma-rays with various exposure rates ranging from 5.17×10-3 to 3.48 C kg-1 h-1 up to a total exposure of about 1290×10-4 C kg-1 (500 R) . The irradiated tooth enamel samples were then subject to ESR measurements and the relative response was determined as a function of exposure rate. The response was found to be almost independent of exposure rate. No significant difference of response is observed between dry-irradiated and wet-irradiated samples.

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