Sensitivity and Uncertainty Analysis of Reaction Rates Ratio for 1-D Fast Critical Benchmarking Facilities

WANG Wenming; WU Haicheng; LIU Ping; ZHANG Huanyu

doi:10.11804/NuclPhysRev.34.03.598

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Volume 34 Issue 3

Jul. 2017

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Article Navigation > Nuclear Physics Review > 2017 > 34(3): 598-603

WANG Wenming, WU Haicheng, LIU Ping, ZHANG Huanyu. Sensitivity and Uncertainty Analysis of Reaction Rates Ratio for 1-D Fast Critical Benchmarking Facilities[J]. Nuclear Physics Review, 2017, 34(3): 598-603. doi: 10.11804/NuclPhysRev.34.03.598

Citation:

WANG Wenming, WU Haicheng, LIU Ping, ZHANG Huanyu. Sensitivity and Uncertainty Analysis of Reaction Rates Ratio for 1-D Fast Critical Benchmarking Facilities[J]. Nuclear Physics Review, 2017, 34(3): 598-603. doi: 10.11804/NuclPhysRev.34.03.598

Sensitivity and Uncertainty Analysis of Reaction Rates Ratio for 1-D Fast Critical Benchmarking Facilities

doi: 10.11804/NuclPhysRev.34.03.598

China Institute of Atomic Energy, Beijing 102413

Received Date: 2016-12-07
Rev Recd Date: 2017-05-04
Publish Date: 2017-07-18

Abstract

On the base of the generalized perturbation theory and SN method, the theoretical model for calculating the sensitivity and uncertainty of reaction rates ratio (RRR) versus nuclear data is developed. Taking Jezebel-Pu239 critical benchmarking facility as an example, the sensitivity of F49/F25 ratio versus important nuclear data is calculated, as well as the uncertainty arising from the nuclear data. Basing on the sensitivity and uncertainty analysis as well as the covariance information of input evaluated data, refined evaluation of the inelastic data of Pu-239 is considered as a feasible measure to reduce the uncertainty of reaction rates ratios.
- sensitivity,
- uncertainty,
- nuclear data,
- reaction rates ratio

References

[1]	WANG Wenming. Sensitivity and Uncertainty Analysis for the Integral Parameters of Fast Benchmarking Facilities, CNDC-Report-2015012[R]. China Nuclear Data Center, 2015. (in Chinese) (王文明. 快装置积分参数的灵敏度与不确定度计算[R]. 核数据中心报告2015012,核数据重点实验室, 2015.)
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沈阳化工大学材料科学与工程学院沈阳 110142

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