Quantitative and Quality Test of Cross Section Library ENDF/B-b2

R. Zajac / VUJE, Inc. / V. Nečas / FEEI SUT / Slovakia

16th Symposium of AER on VVER Reactor Physics and Reactor Safety (2006, Bratislava, Slovakia)
Spectral and Core Calculations


This article includes a test or in other words data verification of neutron ENDF/B-VIIb2 sub library. The first part consists from the process of preparation ACE files by NJOY 99.90. The starting point of data verification describes needed patches in NJOY 99.90, which are necessary to do for correctly production of ACE files. After the obtaining ACE files follow the test of all ACE files through GODIVA – input file for MCNP. GODIVA is high enrichment sphere of U-235, where every material is added as impurity. The aim of GODIVA test is to obtain a certainty if produced ACE files are able to run through MCNP.
The second part of this article begins with choose of benchmarks from “International Handbook of Evaluated Criticality Safety Benchmark Experiments, 2005”. From this source of criticality experiments were separated some benchmarks for quality verification of ACE files by MCNP.

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