Data, Analysis and Operations in Nuclear Criticality Safety: III -- ANS / Conferences / 2023 ANS Annual Meeting / Technical Sessions

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  Nuclear Energy Conference & Expo (NECX)
  September 8–11, 2025
  Atlanta, GA|Atlanta Marriott Marquis
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  Take steps on SNF and HLW disposal
  Matt Bowen
  With a new administration and Congress, it is time once again to ponder what will happen—if anything—on U.S. spent nuclear fuel and high-level waste management policy over the next few years. One element of the forthcoming discussion seems clear: The executive and legislative branches are eager to talk about recycling commercial SNF. Whatever the merits of doing so, it does not obviate the need for one or more facilities for disposal of remaining long-lived radionuclides. For that reason, making progress on U.S. disposal capabilities remains urgent, lest the associated radionuclide inventories simply be left for future generations to deal with.
  In March, Rick Perry, who was secretary of energy during President Trump’s first administration, observed that during his tenure at the Department of Energy it became clear to him that any plan to move SNF “required some practical consent of the receiving state and local community.”¹
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Papers

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Impact of Thermal Scattering Law on Similarity Assessment in Light-Water or Polyethylene-Moderated Systems

8:00–8:20AM EDT

Travis M. Greene (ORNL), William J. Marshall (ORNL), Alexander Lang (ORNL), Travis Zipperer (PNNL)

Paper

Flattop Benchmark Reevaluation Update

8:20–8:40AM EDT

Kristin Stolte (LANL), Theresa Cutler (LANL), Dave Hayes (LANL)

Paper

Ab Initio Evaluation of Plutonium Dioxide S(α,β) and Thermal Neutron Cross Sections

8:40–9:00AM EDT

J.P.W. Crozier (NCSU), A.I. Hawari (NCSU)

Paper

Impact of Cross Section Libraries on Loading Curves for Burnup Credit Criticality Safety Analysis Models

9:00–9:20AM EDT

Rabab Elzohery (ORNL), Germina Ilas (ORNL)

Paper

Discussion

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