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Comparison of LiF:Mg,Cu,P (MCP-N, GR-200A) and alpha-Al203:C TL detectors in short-term measurements of natural radiation

  • M. Budzanowski
  • , P. Bilski
  • , L. Bøtter-Jensen
  • , A. Delgado
  • , P. Olko
  • , J.C. Saezvergara
  • , M.P.R. Waligorski
    • Institute of Nuclear Physics PAN
    • CIEMAT

    Research output: Contribution to journal › Journal article › Research › peer-review

    Abstract

    Results are reported of tests of GR-200A (LiF:Mg,Cu,P Chinese production), MCP-N (LiF:Mg,Cu,P Polish production) and alpha-Al2O3 highly sensitive TL detectors used in short-term measurements of natural radiation performed within the EU Intercalibration by the Polish (INP) and Spanish (CIEMAT) participants. The experiment was carried out in Roskilde, Denmark, by Riso National Laboratory. To assess only the cosmic component of natural radiation, detectors were exposed on a wooden pier. The actual dose rate was monitored over the total exposure time of three days by a Renter-Stokes high pressure ionisation chamber. Results obtained with MCP-N and GR-200A were, for both teams, about 32 nGy.h-1, for alpha-Al2O3:C about 49 nGy.h-1, while the chamber-evaluated mean dose rate was about 40 nGy.h-1. It was found that all tested detectors (MCP-N, GR-200A and alpha-Al2O3:C) are capable of measuring natural gamma dose rates after an exposure of only a few hours.
    Original languageEnglish
    JournalRadiation Protection Dosimetry
    Volume66
    Issue number1-4
    Pages (from-to)157-160
    ISSN0144-8420
    DOIs
    Publication statusPublished - 1996

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