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Efficiency of a large size scintillation cell

  • Radium and Radon Measurement
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Abstract

A large volume scintillation cell has been designed to detect low levels of radon and its progeny. The cell has a cylindrical shape (nominal volume 1.2 liters) with two photomultiplier tubes. In this study, the detection efficiency was estimated with Monte-Carlo calculations for 3-dimensional before fabrication. Counting efficiencies for241Am were measured along the axial of the cell with different distances between the source and the scintillation screen to confirm the calculation method. The counting efficiencies for the alpha particles from the226Rn and its short-live progenies were measured using a radon generator. The efficiency was estimated to be 0.36 count per alpha-particle as the average of three alpha-particles.

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Authors and Affiliations

  1. Department of Nuclear Engineering, Tokai University, 1117 Kitakaname, 259-12, Hiratuka-shi Kanagawa, Japan

    S. Sakamoto & H. Takakura

Authors
  1. S. Sakamoto
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  2. H. Takakura
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Sakamoto, S., Takakura, H. Efficiency of a large size scintillation cell. J Radioanal Nucl Chem 236, 257–260 (1998). https://doi.org/10.1007/BF02386353

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  • DOI: https://doi.org/10.1007/BF02386353

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