HELIOS calculations for UO{sub 2} lattice benchmarks
Calculations for the ANS UO{sub 2} lattice benchmark have been performed with the HELIOS lattice-physics code and six of its cross-section libraries derived from ENDF/B-VI Release 3. The results obtained from these comparisons suggest that further refinement may be needed to the cross sections for {sup 238}U. They also suggest that different group structures among the libraries produce a small but consistent reactivity bias.
- Research Organization:
- Los Alamos National Lab., NM (United States)
- Sponsoring Organization:
- USDOE, Washington, DC (United States)
- DOE Contract Number:
- W-7405-ENG-36
- OSTI ID:
- 307944
- Report Number(s):
- LA-UR--98-2764; CONF-981003--; ON: DE99001650
- Country of Publication:
- United States
- Language:
- English
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