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Introduction of Marinelli effective solid angles for correcting the calibration of NaI(Tl) field gamma-ray spectrometry in TL/OSL dating

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Abstract

A study is made of the corrections that are needed in the evaluation of the annual radiation dose, for use in TL/OSL-dating, via NaI(Tl) field gamma-ray spectrometry (monitoring of K, Th and U), calibrated via voluminous blocks that are simulating the Auger hole measuring conditions. Two cases are considered: the ‘Heidelberg’ granite calibration block, which was found to be ‘quasi-infinite’, and the ‘Oxford’ concrete calibration blocks, for which ‘effective’ concentrations of elements are reported so as to account for their ‘non-infiniteness’. The calculations, via the software package ANGLE, are based on the concept of effective solid angles for Marinelli geometries.

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Authors and Affiliations

  1. Laboratory of Analytical Chemistry, Institute of Nuclear Science (INW), Gent University, Institut voor Nucleaire Wetenschappen, Proeftuinstraat 86, B-9000, Gent, Belgium

    F. De Corte

  2. Lab. Anal. Chem., Inst. Nucl. Sci., Ghent Univ, Proeftuinstraat 86, B-9000, Gent, Belgium

    S. M. Hossain, A. De Wispelaere & D. Vandenberghe

  3. Fac. of Sci. Cetinjski put bb, University of Montenegro, YU-81000, Podgorica, Yugoslavia

    S. Jovanovič & A. Dlabač

  4. Geological Institute, Ghent Univ, Krijgslaan 281, B-9000, Gent, Belgium

    P. Van den Haute

Authors
  1. F. De Corte
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  2. S. M. Hossain
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  3. S. Jovanovič
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  4. A. Dlabač
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  5. A. De Wispelaere
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  6. D. Vandenberghe
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  7. P. Van den Haute
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De Corte, F., Hossain, S.M., Jovanovič, S. et al. Introduction of Marinelli effective solid angles for correcting the calibration of NaI(Tl) field gamma-ray spectrometry in TL/OSL dating. Journal of Radioanalytical and Nuclear Chemistry 257, 551–555 (2003). https://doi.org/10.1023/A:1025436430824

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  • DOI: https://doi.org/10.1023/A:1025436430824

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