Dose-rate measurement by the enclosure method using Al2O3 TL dosimeters

  • Miallier D
  • Erramli H
  • Faïn J
 et al. 
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Abstract

The advantages of the enclosure method are outlined for registering β + γ doses in relation with the quartz inclusion method. However, the need for quartz-like dosimeters is pointed out: discrepancies up to 25% of the γ dose relative to quartz can occur if using CaSO4or CaF2dosimeters. An attempt is presented here with Al2O3dosimeters embedded in low-activity well-known powdered rocks and put back in the sampling location for several months. Subtraction of the α contribution is achieved from α counting on the rock samples. Calibration, accuracy and further developments are discussed. © 1988.

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Authors

  • D. Miallier

  • H. Erramli

  • J. Faïn

  • S. Sanzelle

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