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A fast spectrum accelerator-driven system (ADS) may become a very versatile tool in the nuclear industry. The research focuses on the use of thorium hosted weapon and reactor grade plutonium in a fast ADS from the viewpoint of neutron economy and Pu annihilation rate. A sub-critical system is considered such that super-prompt critical excursions are not possible. Such a system would combine the intrinsic safety of an ADS with the advantages of a reactor with a large delayed neutron fraction and a rather flat power distribution for nearly uniform burn-up across the whole fuel region.

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Authors: RIEF H, JRC Ispra (IT);WIDER H, JRC Ispra (IT);MAGILL J, JRC Karlsruhe (DE)
Bibliographic Reference: Article: Proceedings NATO Advanced Research Workshop on Advanced Nuclear Systems Consuming Excess Plutonium, Moscow (RU), October 13-16, 1996
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