Research on Characteristic of Neutron Moderating Material
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Graphical Abstract
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Abstract
The research concerns in the moderating characteristics analysis of Al, Al2O3 and AlF3 placed in the neutron beam passage of Tsinghua University experimental reactor by Monte-Carlo method. The main moderating performances of above 3 kinds of materials used in constructing epithermal neutron radiation field are obtained, and the optimized moderating material, an Al-AlF3 mixture with a mass fraction ratio w(Al)/w(AlF3)of 2/3, is recommended for Tsinghua University experimental reactor.
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