Nuclear Data Target Accuracies for Generation-IV Systems Based on the use of New Covariance Data
A target accuracy assessment using new available covariance data, the AFCI 1.2 covariance data, has been carried out. At the same time, the more theoretical issue of taking into account correlation terms in target accuracy assessment studies has been deeply investigated. The impact of correlation terms is very significant in target accuracy assessment evaluation and can produce very stringent requirements on nuclear data. For this type of study a broader energy group structure should be used, in order to smooth out requirements and provide better feedback information to evaluators and cross section measurement experts. The main difference in results between using BOLNA or AFCI 1.2 covariance data are related to minor actinides, minor Pu isotopes, structural materials (in particular Fe56), and coolant isotopes (Na23) accuracy requirements.
- Research Organization:
- Idaho National Lab. (INL), Idaho Falls, ID (United States)
- Sponsoring Organization:
- USDOE
- DOE Contract Number:
- DE-AC07-05ID14517
- OSTI ID:
- 983339
- Report Number(s):
- INL/CON-10-18578; TRN: US1004448
- Resource Relation:
- Conference: International Conference on Nuclear Data for Science and Technology,Jeju Island, Korea,04/26/2010,04/30/2010
- Country of Publication:
- United States
- Language:
- English
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