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Confidential JEF Report 4 FAST REACTOR BENCHMARK TESTS ON THE JEF-1 EVALUATED NUCLEAR DATA FILE

By H. Takano and E. Sartori

Abstract

In the framework of the JEF-1 benchmarking activity, four cross-section libraries for 31 isotopes with 71, 50, 26 and 25 energy group structures have been generated for the analysis of fast criticals. The evaluated nuclear processing system NJOY has been used for producing these libraries. The results of one-dimensional diffusion calculations for thirteen plutonium-fuel, seven uranium-fuel and two infinite homogeneous-media critical assemblies are compared against experimental values. These include effective multiplication factors and central reaction rate ratios. JEF-1 predicts several nuclear characteristics of fast reactors better than ENDF/B-IV and to a comparable precision wit

Year: 1985
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