Gamma dose measurement in a d(80) + Be neutron beam

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Measurements of Soil Carbon by Neutron-Gamma Analysis in Static and Scanning Modes
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G H Harrison, C R Cox

    Medical Physics
    |May 1, 1979
    PubMed

    Abstract:

    The gamma-ray dose component of a d(80) + Be neutron beam was measured with a 6Li-shielded Geiger-Mueller counter in a tissue-equivalent liquid phantom. The proportion of gamma-ray dose to total dose increased from 0.07 near the surface to 0.09 at 25 cm depth. Due to thermal neutron sensitivity, the G-M count rate increased by 25% in the absence of 6Li shielding.

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