Reactor Physics: The PEREN platform

Introduction Neutronics Chemistry

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The excellent potential of the ²³²Th/ ²³³U fuel cycle in a molten salt breeder reactor, with thorium as its fertile element and uranium233 as its fissile component, has led us to build, at LPSC, a platform in which to perform experiments to gather fundamental nuclear and chemical data that are necessary for the specification and the development of such a system. Neutronic data production on the PEREN Experiment Platform ( Investigation and research platform for nuclear power ) began in 2004. It involves a pulsed neutron source, GENEPI II, which can be coupled to various massive moderator blocks:

• A graphite block with hollowed out channels which may contain various scattering materials.
• A CF₂ block (Teflon).
• A lead slowing-down time spectrometer.