Monte Carlo calculation of critical benchmarking models for testing  ENDF/B-VIII.0 nuclear data

Liu Xiaobo; Hu Zehua

doi:10.11884/HPLPB202234.210366

Volume 34 Issue 2

Jan. 2022

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Liu Xiaobo, Hu Zehua. Monte Carlo calculation of critical benchmarking models for testing ENDF/B-VIII.0 nuclear data[J]. High Power Laser and Particle Beams, 2022, 34: 026003. doi: 10.11884/HPLPB202234.210366

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Liu Xiaobo, Hu Zehua. Monte Carlo calculation of critical benchmarking models for testing ENDF/B-VIII.0 nuclear data[J]. High Power Laser and Particle Beams, 2022, 34: 026003. doi: 10.11884/HPLPB202234.210366

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Monte Carlo calculation of critical benchmarking models for testing ENDF/B-VIII.0 nuclear data

doi: 10.11884/HPLPB202234.210366

Liu Xiaobo^1
,,
Hu Zehua²

1.
Institute of Nuclear Physics and Chemistry, CAEP, Mianyang 621900 China
2.
Institute of Applied Physics and Computational Mathematics, Beijing 100094, China

Received Date: 2021-08-25
Rev Recd Date: 2021-12-26

Available Online: 2022-01-06

Publish Date: 2022-01-11

Abstract

Abstract

The MCNP program and the ENDF/B-VII.1, ENDF/B-VIII.0 nuclear data were used to calculate the criticality respect to the critical benchmarking suits of 119 models for nuclear data testing. The benchmarking suits consists of ²³³U, high-enriched uranium, intermediate enriched uranium, low-enriched uranium and Pu critical configurations in fuel type, covering the spectra of fast, intermediate, and thermal neutrons. With ENDF/B-VIII.0 nuclear data, the average and standard deviation of the relative deviation between the calculation k_eff and the benchmarking k_eff were −68.98×10⁻⁵ and 407.88×10⁻⁵respectively, and the tallies that the ratio of deviation to experimental uncertainty within 1σ, among 1σ–3σ and beyond 3σ were 107, 9 and 3, respectively. The resultant data were compared to the calculation results with ENDF/B-VII. 1 in the same computation conditions, which indicates that the ENDF/B-VIII.0 nuclear data was more accurate, and more consistent with the benchmarking results for criticality calculation.
- Monte Carlo program,
- critical benchmarking models,
- nuclear data,
- ENDF/B-VIII.0,
- testing and verification

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References(25)

References

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