DOE OSTI · 3006960
Continuing Development of the Nuclear Data Processing Code AMPX [Poster]
Abstract
The ENDF/B-VIII.1 evaluation library has seen a great growth in the thermal neutron scattering sub-library. The SCALE code system has traditionally approached CE transport by assuming that the CE library on disk represented the fully expanded cumulative probability distributions, conditional on exiting angle and marginal on exiting energy. While this is a complete description of the data, it comes at the potential cost of large amounts of on-disk storage. This approach was strained by several TSL files in ENDF/B-VIII.1, such as graphite, which contained data for a large number of Bragg edges. In the fully expanded probability distributions, this was found to be a disproportionately large fraction of the SCALE CE library.
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McDonnell, Jordan D. [Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States)], Wiarda, Dorothea [Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States)], Brown, Jesse M. [Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States)], Chapman, Chris W. [Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States)], Jeon, BK [Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States)], Kim, Kang Seog [Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States)]. 2025-06-22. Continuing Development of the Nuclear Data Processing Code AMPX [Poster]. https://doi.org/10.2172/3006960
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