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Radiation characteristics analysis for spallation products of lead–bismuth target and tungsten–iron–nickel target

Applied Radiation and Isotopes, ISSN: 0969-8043, Vol: 194, Page: 110728
2023
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Article Description

The radiation characteristics of spallation products are important references for evaluating the materials used as spallation targets. Therefore, it is necessary to study the radiation characteristics of spallation products. In this study, the spallation products of tungsten–iron–nickel target and lead–bismuth target were calculated and analyzed based on the radionuclide distributions and decay photon shielding of the spallation products. The radionuclide distributions of the spallation products were calculated using FLUKA, and the shielding of decay photons was calculated with OpenMC. In addition, the variance reduction function with an importance card was added to the OpenMC code to allow its use for calculating deep penetration problems.

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