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Conference Spotlight
2026 ANS Annual Conference
May 31–June 3, 2026
Denver, CO|Sheraton Denver
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Nuclear Science and Engineering
January 2026
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December 2025
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November 2025
Latest News
From Capitol Hill: Nuclear is back, critical for America’s energy future
The U.S. House Energy and Commerce Subcommittee on Energy convened its first hearing of the year, “American Energy Dominance: Dawn of the New Nuclear Era,” on January 7, where lawmakers and industry leaders discussed how nuclear energy can help meet surging electricity demand driven by artificial intelligence, data centers, advanced manufacturing, and national security needs.
Technical Session
Tuesday, September 16, 2025|8:00–9:40AM CDT|Grand Salon DE
Session Chair:
Rowdy Davis
Session Organizer:
Alternate Chair:
Jesson D. Hutchinson
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From Quarter Inch to Infinite Reflection: Designing Ta-Reflected Pu Systems
8:00–8:20AM CDT
Peter Brain (LANL), Riley Bulso (LANL), Theresa Cutler (LANL), Jesson Hutchinson (LANL), Noah Kleedtke (LANL), Isaac Michaud (LANL), Nick Wynne (LANL)
Paper
Nuclear Data Sensitivity, Uncertainties, and Sensitivity Metrics for Tantalum Reflected Systems
8:20–8:40AM CDT
J. Hutchinson (LANL), P. Brain (LANL), M. Catlett (LANL), T. Cutler (LANL), N. Gibson (LANL), M. Herman (Brookhaven), N. Kleedtke (LANL), R. Little (LANL), I. Michaud (LANL), D. Neudecker (LANL), N. Wynne (LANL)
Comparison of Approach-to-Critical Methods for Systems with Changing Starter Neutron Rates
8:40–9:00AM CDT
Jesson Hutchinson (LANL), Natalie Cannon (Georgia Tech), Daniela Henzlova (LANL), Cole Kostelac (LANL), George McKenzie (LANL), Jawad Moussa (LANL), Mark Nelson (LANL), Robert Weldon (LANL), Nicholas Whitman (LANL)
PFUNS: Critical Experiment with Bare Highly Enriched Uranium Shells Benchmark
9:00–9:20AM CDT
Rene Sanchez (LANL), Alexander McSpaden (LANL)
The PARADIGM Experiment: An Experiment to Maximally Reduce Uncertainty in Pu-239 Intermediate Energy Nuclear Data
9:20–9:40AM CDT
Theresa Cutler (LANL), Kelsey Amundson (LANL), Peter Brain (LANL), Matt Devlin (LANL), Jesson Hutchinson (LANL), Noah Kleedtke (LANL), Annamaria McHugh (LANL), Denise Neudecker (LANL), Eric Williamson (LANL)
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