| Issue |
EPJ Web of Conf.
Volume 284, 2023
15th International Conference on Nuclear Data for Science and Technology (ND2022)
|
|
|---|---|---|
| Article Number | 11003 | |
| Number of page(s) | 3 | |
| Section | Other (Non-Reactor) Applications of Nuclear Data | |
| DOI | https://doi.org/10.1051/epjconf/202328411003 | |
| Published online | 26 May 2023 | |
https://doi.org/10.1051/epjconf/202328411003
Expanded COG criticality validation suite for inter-laboratory benchmark data comparison
Lawrence Livermore National Laboratory, Livermore, California, U.S.A.
* Corresponding author: heinrichs1@llnl.gov
Published online: 26 May 2023
The COG suite of criticality benchmarks has been formally expanded from 591 to 3,395 to coverthe entire energy range from thermal to fast neutron spectra under a variety of reflector and moderator conditions and fissile materials. COG results have been compared with benchmark values from the International Criticality Safety Benchmark Evaluation Project Handbook for ENDF/B-VII.1, ENDF/BVIII.0 and JEFF-3.3. COG results have been also compared with a MERCURY validation suite. Most of the results agreed with the benchmark values within ±3σ. Among the three cross section data, cases with ENDF/B-VIII.0 performed best with about 85% of the total cases within ±3σ range. A major intercomparison project between COG, MCNP, MORET, and SCALE for ENDF/B-VIII.0 and JEFF-3.3 is in progress.
© The Authors, published by EDP Sciences, 2023
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