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Proceedings | Nuclear Criticality Safety Division 2025 Conference (NCSD 2025) | Austin, TX, September 14-18, 2025 | Page 0
The Importance of Collaboration Throughout Transition into New Phases in Facility Lifecycles
Lindsey Whiteley (Sellafield), Jennifer Bateman (Sellafield), Amy Van Der Vyver (Sellafield)
Proceedings | Nuclear Criticality Safety Division 2025 Conference (NCSD 2025) | Austin, TX, September 14-18, 2025 | Pages 4-10
Building a Collaborative Relationship between Contractor and Regulator at SRPPF
Brittany Williamson (Spectra Tech), Michael Fendler (Sigma Science)
Proceedings | Nuclear Criticality Safety Division 2025 Conference (NCSD 2025) | Austin, TX, September 14-18, 2025 | Pages 11-19
SPARC, an Effort to Reestablish a Horizontal Split Table Critical Facility for HALEU Experiments and Beyond
Nicolas Woolstenhulme (INL), Nicolas Martin (INL), Mark DeHart (INL), Catherine Percher (LLNL), Theresa Cutler (LANL), William Wieselquist (ORNL)
Proceedings | Nuclear Criticality Safety Division 2025 Conference (NCSD 2025) | Austin, TX, September 14-18, 2025 | Pages 20-28
M441 Onsite Transport Dolly Implementation at the Y-12 National Security Complex
Adam Walker (Y-12 Nat'l Security Complex)
Proceedings | Nuclear Criticality Safety Division 2025 Conference (NCSD 2025) | Austin, TX, September 14-18, 2025 | Pages 29-38
Modification and Resumption of the Static Experiment Critical Facility (STACY)
Junichi Ishii (JAEA), Masakazu Seki (JAEA), Eiju Aizawa (JAEA), Masato Sumiya (JAEA), Tomoyuki Maekawa (JAEA), Yu Arakaki (JAEA), Kenta Hasegawa (JAEA), Shouhei Araki (JAEA), Kazuhiko Izawa (JAEA), Satoshi Gunji (JAEA)
Proceedings | Nuclear Criticality Safety Division 2025 Conference (NCSD 2025) | Austin, TX, September 14-18, 2025 | Pages 39-48
The Pre-service Inspections for the Static Experiment Critical Facility (STACY)
Kenta Hasegawa (JAEA), Masakazu Seki (JAEA), Eiju Aizawa (JAEA), Masato Sumiya (JAEA), Tomoki Yoshikawa (JAEA), Tomoyuki Maekawa (JAEA), Junichi Ishii (JAEA), Shouhei Araki (JAEA), Kazuhiko Izawa (JAEA), Satoshi Gunji (JAEA)
Proceedings | Nuclear Criticality Safety Division 2025 Conference (NCSD 2025) | Austin, TX, September 14-18, 2025 | Pages 50-59
Design of Heterogenous Core Configurations with Concrete Rods in the Modified STACY Facility
B. Dechenaux (ASNR), M. Brovchenko (ASNR), S. Gunji (JAEA), S. Araki (JAEA), K. Suyama (JAEA)
Proceedings | Nuclear Criticality Safety Division 2025 Conference (NCSD 2025) | Austin, TX, September 14-18, 2025 | Pages 60-69
Critical Experiment Analyses in the Modified STACY Core Simulating Fuel Debris
Shigeki Shiba (Nuclear Regulatory Authority of Japan), Satoshi Gunji (JAEA), Kazuhiko Izawa (JAEA)
Proceedings | Nuclear Criticality Safety Division 2025 Conference (NCSD 2025) | Austin, TX, September 14-18, 2025 | Pages 70-79
Experiments on Concrete-Loaded Core in the Modified STACY
Shouhei Araki (JAEA), Yu Arakaki (JAEA), Tomoyuki Maekawa (JAEA), Yutaka Kamikawa (JAEA), Kenta Hasegawa (JAEA), Tomoki Yoshikawa (JAEA), Yuta Tada (JAEA), Masato Sumiya (JAEA), Masakazu Seki (JAEA), Eiju Aizawa (JAEA), Junichi Ishii (JAEA), Kazuhiko Izawa (JAEA), Daiki Shiba (NRA), Shigeki Shiba (NRA), Satoshi Gunji (JAEA)
Proceedings | Nuclear Criticality Safety Division 2025 Conference (NCSD 2025) | Austin, TX, September 14-18, 2025 | Pages 80-89
Studies of Nuclear Criticality Safety of Fuel Debris using the Modified STACY Critical Assembly
Gunji S. (JAEA), Araki S. (JAEA), Yoshikawa T. (JAEA), Arakaki Y. (JAEA), Aizawa E. (JAEA), Seki M. (JAEA), Ishii J. (JAEA), Izawa K. (JAEA), Shiba S. (NRA), Iwahashi D. (NRA)
Proceedings | Nuclear Criticality Safety Division 2025 Conference (NCSD 2025) | Austin, TX, September 14-18, 2025 | Pages 90-99
PCI Nuclear Recriticality Test Study by Standards of ASTM E10&E37
Yan Peng (CIAE)
Proceedings | Nuclear Criticality Safety Division 2025 Conference (NCSD 2025) | Austin, TX, September 14-18, 2025 | Pages 102-117
Experimental Effects of Hand Reflection on the BeRP Ball
Juan A. Dominguez (LANL), David G. Swindall (LANL), Steven J. Wachtel (LANL), David K. Hayes (LANL), Theresa E. Cutler (LANL), Kyle G. Mayfield (LANL)
Proceedings | Nuclear Criticality Safety Division 2025 Conference (NCSD 2025) | Austin, TX, September 14-18, 2025 | Pages 118-127
Pulsed-Neutron Die-Away Experiment Design for Validating Heavy Water (D2O) Thermal Scattering Laws
Rida Rahman (Univ. Tennessee, Knoxville), Daniel Siefman (Univ. California, Berkeley), Jacob Glesmann (LLNL), Ruby Araj (LLNL), Vladimir Sobes (Univ. Tennessee, Knoxville)
Proceedings | Nuclear Criticality Safety Division 2025 Conference (NCSD 2025) | Austin, TX, September 14-18, 2025 | Pages 128-134
Evaluation of Sandia NCS Benchmark Suite Updates
A. Morell-Pacheco (Sandia), Z. Dodson (Univ. Michigan), W. M. Cook (Sandia), J. A. Miller (Sandia)
Proceedings | Nuclear Criticality Safety Division 2025 Conference (NCSD 2025) | Austin, TX, September 14-18, 2025 | Pages 135-144
Challenges of Benchmarking the University of New Mexico's AGN-201M Reactor
Larry L. Wetzel (Boston Government Services), Rowdy Davis (Univ. New Mexico), Robert D. Busch (Univ. New Mexico)
Proceedings | Nuclear Criticality Safety Division 2025 Conference (NCSD 2025) | Austin, TX, September 14-18, 2025 | Pages 145-153
Analysis of the French "CRAC 44" experiment
Fabien Duret (ASNR), Aurélie Bardelay (ASNR), Wilfried Monange (ASNR)
Proceedings | Nuclear Criticality Safety Division 2025 Conference (NCSD 2025) | Austin, TX, September 14-18, 2025 | Pages 156-164
Advancements in the Nuclear Criticality Slide Rule: Phase 6 Highlights and Applications
Johann Herth (ASNR), Aurelie Bardelay (ASNR), Douglas G. Bowen (ORNL), Cihangir Celik (ORNL), Mathieu Dupont (ORNL), Alex Lang (ORNL), Walid A. Metwally (ORNL), Dave P. Heinrich (LLNL), Soon S. Kim (LLNL)
Proceedings | Nuclear Criticality Safety Division 2025 Conference (NCSD 2025) | Austin, TX, September 14-18, 2025 | Pages 165-176
Generic Soil and Brick Attenuation Factors for Criticality Accidents Dose Calculations with CIRCEE
Michael Laget (CEA)
Proceedings | Nuclear Criticality Safety Division 2025 Conference (NCSD 2025) | Austin, TX, September 14-18, 2025 | Pages 177-186
Real-Time Neutron Noise Monitoring for Criticality Safety in Fuel Debris Removal
Natalie L. Cannon (Georgia Tech), Nicholas W. Thompson (LANL), Jesson D. Hutchinson (LANL), Steven R. Biegalski (Georgia Tech), Anna S. Erickson (Georgia Tech), Mark A. Nelson (LANL)
Proceedings | Nuclear Criticality Safety Division 2025 Conference (NCSD 2025) | Austin, TX, September 14-18, 2025 | Pages 187-190
Multi-physics Analysis to Identify Criticality Condition of Windscale Works Criticality Accident
Kodai Fukuda (JAEA)
Proceedings | Nuclear Criticality Safety Division 2025 Conference (NCSD 2025) | Austin, TX, September 14-18, 2025 | Pages 191-194
Validation of Modern Nuclear Data Processing in SCALE
Jesse M. Brown (ORNL), Travis M. Greene (ORNL), Jordan McDonnell (ORNL), Chris W. Chapman (ORNL), Cihangir Celik (ORNL)
Proceedings | Nuclear Criticality Safety Division 2025 Conference (NCSD 2025) | Austin, TX, September 14-18, 2025 | Pages 196-202
Neutron Transmission Measurements in Support of the Validation of the ENDF/B-VIII.1 Heavy Paraffinic Oil TSL
Adam Daskalakis (Naval Nuclear Laboratory), Devin Barry (Naval Nuclear Laboratory), Michael Rapp (Naval Nuclear Laboratory), Brian Epping (Naval Nuclear Laboratory), Amelia Trainer (Naval Nuclear Laboratory), Michael Zerkle (Naval Nuclear Laboratory), Yaron Danon (Rensselaer Polytechnic Institute)
Proceedings | Nuclear Criticality Safety Division 2025 Conference (NCSD 2025) | Austin, TX, September 14-18, 2025 | Pages 203-212
Quantification of Integral Benchmark Sensitivities to 1D and 2D Thermal Scattering Cross Sections
Chris W. Chapman (ORNL), Goran Arbanas (ORNL), Jordan McDonnell (ORNL), Kemal Ramic (ORNL), Iyad Al-Qasir (ORNL)
Proceedings | Nuclear Criticality Safety Division 2025 Conference (NCSD 2025) | Austin, TX, September 14-18, 2025 | Pages 213-221
Temperature-Dependent Benchmark Testing for H2O and D2O Using Experiments Performed with the New IPEN/MB-01 Setup
Luiz Leal (ORNL), Adimir dos Santos (ORNL), Travis Greene (ORNL), Mathieu Dupont (ORNL), Kemal Remic (ORNL), Jesse Brown (ORNL), Jose Ignacio Marquez Damian (ERIC), Vaibhav Jaiswal (ASNR), Ulysses D'Utra Bitelli (IPEN/CNEN-SP), Mitsuo Yamaguchi (IPEN/CNEN-SP), Hugo Rodrigues Landim (IPEN/CNEN-SP), Fernando de Castro Junqueira (IPEN/CNEN-SP), Gregorio Soares de Sousa (IPEN/CNEN-SP), Michelangelo Durazzo (IPEN/CNEN-SP), Elita Urano (IPEN/CNEN-SP)
Proceedings | Nuclear Criticality Safety Division 2025 Conference (NCSD 2025) | Austin, TX, September 14-18, 2025 | Pages 222-230
From Quarter Inch to Infinite Reflection: Designing Ta-Reflected Pu Systems
Peter Brain (LANL), Riley Bulso (LANL), Theresa Cutler (LANL), Jesson Hutchinson (LANL), Noah Kleedtke (LANL), Isaac Michaud (LANL), Nick Wynne (LANL)
Proceedings | Nuclear Criticality Safety Division 2025 Conference (NCSD 2025) | Austin, TX, September 14-18, 2025 | Pages 232-241
Nuclear Data Sensitivity, Uncertainties, and Sensitivity Metrics for Tantalum Reflected Systems
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)
Proceedings | Nuclear Criticality Safety Division 2025 Conference (NCSD 2025) | Austin, TX, September 14-18, 2025 | Pages 242-251
Comparison of Approach-to-Critical Methods for Systems with Changing Starter Neutron Rates
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)
Proceedings | Nuclear Criticality Safety Division 2025 Conference (NCSD 2025) | Austin, TX, September 14-18, 2025 | Pages 252-261
PFUNS: Critical Experiment with Bare Highly Enriched Uranium Shells Benchmark
Rene Sanchez (LANL), Alexander McSpaden (LANL)
Proceedings | Nuclear Criticality Safety Division 2025 Conference (NCSD 2025) | Austin, TX, September 14-18, 2025 | Pages 262-270
The PARADIGM Experiment: An Experiment to Maximally Reduce Uncertainty in Pu-239 Intermediate Energy Nuclear Data
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)
Proceedings | Nuclear Criticality Safety Division 2025 Conference (NCSD 2025) | Austin, TX, September 14-18, 2025 | Pages 271-279
CALINS: A New ASNR Software for Sensitivity and Uncertainty Analysis in Nuclear Criticality Safety Evaluations
PETILLON Barthélémi (ASNR), PERON Arthur (ASNR), VUIART Romain (ASNR), JAISWAL Vaibhav (ASNR), BROVCHENKO Mariya (ASNR)
Proceedings | Nuclear Criticality Safety Division 2025 Conference (NCSD 2025) | Austin, TX, September 14-18, 2025 | Pages 282-289
CRISTALV2.1: The Next Version of the Cristal V2 Criticality Calculation Package - News and Improvements
Arnaud Entringer (ASNR), Coralie Carmouze (CEA), Francois-Xavier Giffard (CEA), Sebastien Lahaye (CEA), Stephane Mengelle (CEA), Tangi Nicol (CEA), Arthur Peron (ASNR), Odile Petit (CEA), Julien Taforeau (ASNR), Romain Vuiart (ASNR)
Proceedings | Nuclear Criticality Safety Division 2025 Conference (NCSD 2025) | Austin, TX, September 14-18, 2025 | Pages 290-299
MCNP Criticality Calculation Support using Cyclone Sage AI Assistant
Daniel Cork (Orthrus Software), Tom Page (Cerberus Nuclear)
Proceedings | Nuclear Criticality Safety Division 2025 Conference (NCSD 2025) | Austin, TX, September 14-18, 2025 | Pages 300-307
LATEC-2.0, the CRISTALV2.1 Package Workbench for Integrated Criticality Modeling
Arthur Peron (ASNR), Arnaud Entringer (ASNR)
Proceedings | Nuclear Criticality Safety Division 2025 Conference (NCSD 2025) | Austin, TX, September 14-18, 2025 | Pages 308-317
Learning from Transitioning between Criticality Codes, including the Development of a Modelling Library
Shaun Digwood (Urenco Capenhurst)
Proceedings | Nuclear Criticality Safety Division 2025 Conference (NCSD 2025) | Austin, TX, September 14-18, 2025 | Pages 318-321
Considerations on the Formation of Pu-bearing Solids During the Transfer of POCO Liquors through Retired Reprocessing Facilities
Jennifer H. Bateman (Sellafield), Amy E. van der Vyver (Sellafield), Lindsey Whiteley (Sellafield)
Proceedings | Nuclear Criticality Safety Division 2025 Conference (NCSD 2025) | Austin, TX, September 14-18, 2025 | Pages 324-333
Consideration of the Presence of Solvent During the Transfer of POCO Liquors through Retired Reprocessing Facilities
Lindsey Whiteley (Sellafield), Jennifer H. Bateman (Sellafield), Amy E. van der Vyver (Sellafield)
Proceedings | Nuclear Criticality Safety Division 2025 Conference (NCSD 2025) | Austin, TX, September 14-18, 2025 | Pages 334-342
Sensitivity-Guided Nuclide Rankings of Non-LWR Inventory for Storage and Transport Applications
Alex Shaw (ORNL), Veronica V. Karriem (ORNL), Walid A. Metwally (ORNL)
Proceedings | Nuclear Criticality Safety Division 2025 Conference (NCSD 2025) | Austin, TX, September 14-18, 2025 | Pages 343-351
Criticality Safety Analysis Considerations for Pebble-Bed Reactor Fuel Handling
Christopher B. Campbell (Kairos Power), Mario Mendoza (Kairos Power), Nader Satvat (Kairos Power)
Proceedings | Nuclear Criticality Safety Division 2025 Conference (NCSD 2025) | Austin, TX, September 14-18, 2025 | Pages 352-359
Vault Study Consolidation Investigation for ZPPR 3PANN Fuel
Kathryn Worrell (Univ. Tennessee, Knoxville), John D. Bess (JFoster & Assoc.), Joetta M. Goda (LANL), Jesson D. Hutchinson (LANL), George E. McKenzie (LANL), Christoper D. Romero (LANL), Jessie L. Walker (LANL)
Proceedings | Nuclear Criticality Safety Division 2025 Conference (NCSD 2025) | Austin, TX, September 14-18, 2025 | Pages 360-368
Spacing and Subcritical Separation Distance: Not as Simple as You Think
Theresa Cutler (LANL), Kristin Stolte (LANL), Rene Sanchez (LANL), Peter Brain (LANL)
Proceedings | Nuclear Criticality Safety Division 2025 Conference (NCSD 2025) | Austin, TX, September 14-18, 2025 | Pages 370-376
Loading Curve Parameter Study Based on the OECD/NEA/NSC/WPNCS SG13 Study
M. Frankl (Paul Scherrer Institute), A. Declerck (Paul Scherrer Institute), A. Vasiliev (Paul Scherrer Institute), H. Ferroukhi (Paul Scherrer Institute)
Proceedings | Nuclear Criticality Safety Division 2025 Conference (NCSD 2025) | Austin, TX, September 14-18, 2025 | Pages 377-387
Global Sensitivity Analysis of a Frequency Domain Reactor Noise Methodology using Welch's Method for the KRUSTY Experiment
Schuyler J. Tyler (Univ. Michigan, Ann Arbor), Jesson D. Hutchinson (LANL), Flynn. B. Darby (Univ. Michigan, Ann Arbor), Shaun D. Clarke (Univ. Michigan, Ann Arbor), Sara A. Pozzi (Univ. Michigan, Ann Arbor)
Proceedings | Nuclear Criticality Safety Division 2025 Conference (NCSD 2025) | Austin, TX, September 14-18, 2025 | Pages 388-395
Investigation into Low Temperature Effects on Criticality of Highly Enriched Uranium Systems
Rowan T. Johnson (LANL), Geordie E. McKenzie (LANL)
Proceedings | Nuclear Criticality Safety Division 2025 Conference (NCSD 2025) | Austin, TX, September 14-18, 2025 | Pages 396-405
MUSiC: Application and Efficacy of Organic Scintillators for Leakage Multiplication Measurements of HEU Systems
Arel D'Agostino (LANL), John Mattingly (NCSU), Jesson Hutchinson (LANL), Robert A. Weldon Jr. (LANL)
Proceedings | Nuclear Criticality Safety Division 2025 Conference (NCSD 2025) | Austin, TX, September 14-18, 2025 | Pages 406-409
SCALE/KENO Validation Benchmark for Spent Fuel Pool Criticality Analyses
David S. Orr (Duke Energy), Robert A. Hall (Duke Energy)
Proceedings | Nuclear Criticality Safety Division 2025 Conference (NCSD 2025) | Austin, TX, September 14-18, 2025 | Pages 410-413
Improved Workflow and Productivity Tools for NCS at Sandia National Laboratories
Ashley R. Raster (Sandia), William M. Cook (Sandia), John A. Miller (Sandia), Shawn J. Henderson (Sandia)
Proceedings | Nuclear Criticality Safety Division 2025 Conference (NCSD 2025) | Austin, TX, September 14-18, 2025 | Pages 416-424
Summary of 2024 NCS Operational Events at Los Alamos National Laboratory
Andrew B. Smiley (LANL), Alicia Salazar-Crockett (LANL)
Proceedings | Nuclear Criticality Safety Division 2025 Conference (NCSD 2025) | Austin, TX, September 14-18, 2025 | Pages 425-432
Ensuring Safety at Melox: Real-Time Monitoring of Plutonium in First Barrier Filters
Olivier Ravat (Orano Melox)
Proceedings | Nuclear Criticality Safety Division 2025 Conference (NCSD 2025) | Austin, TX, September 14-18, 2025 | Pages 433-438
A Novel Approach to Providing Criticality Safety Support to the Research & Development of a New Waste Treatment Concept
Sarah E. O'Sullivan (Cerberus Nuclear), Tom Page (Cerberus Nuclear), Dominic D. Winstanley (Sellafield)
Proceedings | Nuclear Criticality Safety Division 2025 Conference (NCSD 2025) | Austin, TX, September 14-18, 2025 | Pages 439-443
The Effects of Modern Analysis on Birdcage Container Simplification Efforts
Daniel Wentz (Y-12 Nat'l Security Complex)
Proceedings | Nuclear Criticality Safety Division 2025 Conference (NCSD 2025) | Austin, TX, September 14-18, 2025 | Pages 444-447
Using Machine Learning to Aid in Developing Nuclear Criticality Safety Evaluations
Anneli Brackbill (Univ. Tennessee, Knoxville), Vladimir Sobes (Univ. Tennessee, Knoxville), James J. Kuropatwinski (LANL), Isaac J. Michaud (LANL)
Proceedings | Nuclear Criticality Safety Division 2025 Conference (NCSD 2025) | Austin, TX, September 14-18, 2025 | Pages 448-452
Intercomparison of Nuclear Data Libraries using Jupiter and Jupiter High-240 Experiments
John D. Bess (JFoster & Assoc.), Peter J. Brain (LANL), Nicholas W. Thompson (LANL), Alexander T. McSpaden (LANL), Jesson D. Hutchinson (LANL), Joetta M. Goda (LANL)
Proceedings | Nuclear Criticality Safety Division 2025 Conference (NCSD 2025) | Austin, TX, September 14-18, 2025 | Pages 454-463
Status of the n+234U Evaluation in the Resolved Resonance Region
Marco T. Pigni (ORNL), Jordan McDonnell (ORNL), Travis Green (ORNL)
Proceedings | Nuclear Criticality Safety Division 2025 Conference (NCSD 2025) | Austin, TX, September 14-18, 2025 | Pages 464-469
Hybrid Method for Eigenvalue Sensitivity Coefficient Calculations: Part II
T. M. Greene (ORNL), K. Bekar (ORNL)
Proceedings | Nuclear Criticality Safety Division 2025 Conference (NCSD 2025) | Austin, TX, September 14-18, 2025 | Pages 470-479
Nuclear Data for Criticality Safety: Past Insights and Future Directions
Noah Kleedtke (LANL), Mathieu Dupont (ORNL)
Proceedings | Nuclear Criticality Safety Division 2025 Conference (NCSD 2025) | Austin, TX, September 14-18, 2025 | Pages 480-484
The CAAS-3S Next-Generation Criticality Accident Alarm System
Meriem Detriche (Mirion Technologies), Sasha Philips (Mirion Technologies), Nicolas Houfflain (Mirion Technologies), Jeff Lagana (Mirion Technologies)
Proceedings | Nuclear Criticality Safety Division 2025 Conference (NCSD 2025) | Austin, TX, September 14-18, 2025 | Pages 486-493
Criticality Accidents Occurred in Research Reactor Facilities in France
Fabien Duret (ASNR), Aurélie Bardelay (ASNR), Tristan Adatte (ASNR)
Proceedings | Nuclear Criticality Safety Division 2025 Conference (NCSD 2025) | Austin, TX, September 14-18, 2025 | Pages 494-503
Is there a Potential for a Red Oil Runaway Reaction following a Criticality in Solvent?
Lindsey Whiteley (Sellafield)
Proceedings | Nuclear Criticality Safety Division 2025 Conference (NCSD 2025) | Austin, TX, September 14-18, 2025 | Pages 504-507
A Proportionate Response to Criticality Emergency Planning for a Novel Operation
Amy E. van der Vyver (Sellafield)
Proceedings | Nuclear Criticality Safety Division 2025 Conference (NCSD 2025) | Austin, TX, September 14-18, 2025 | Pages 508-511
Immediate Evacuation Zone Determination for the Aurora Fuel Fabrication Facility
Michael Benson (INL)
Proceedings | Nuclear Criticality Safety Division 2025 Conference (NCSD 2025) | Austin, TX, September 14-18, 2025 | Pages 512-516
Hand Portable Multi-Modality Imaging for Rapid Criticality Assessment and Localization
Justin Ellin (Gamma Reality), Andy Haefner (Gamma Reality), Ryan Pavlovsky (Gamma Reality)
Proceedings | Nuclear Criticality Safety Division 2025 Conference (NCSD 2025) | Austin, TX, September 14-18, 2025 | Pages 517-524
Polynomial Chaos Expansion for Uncertainty and Sensitivity Analysis of Integral Experiment Benchmark Evaluations
Elijah C. Lutz (Sandia), John A. Miller (Sandia), Ayodeji B. Alajo (Missouri Univ. Science and Technology)
Proceedings | Nuclear Criticality Safety Division 2025 Conference (NCSD 2025) | Austin, TX, September 14-18, 2025 | Pages 526-535
Reassessing the Origins and Contemporary Relevance of ck Acceptability Parameters Given Evolving Perspectives on Similarity
Veronica Karriem (ORNL), Travis Greene (ORNL), Douglas Bowen (ORNL)
Proceedings | Nuclear Criticality Safety Division 2025 Conference (NCSD 2025) | Austin, TX, September 14-18, 2025 | Pages 536-545
Assessment of Source Term Uncertainties for Criticality Monitoring Simulations of Fukushima Daiichi Fuel Debris Retrieval Operations
Lucas Rolison (LANL), Jawad Moussa (LANL), Michael Rising (LANL), Jesson Hutchinson (LANL)
Proceedings | Nuclear Criticality Safety Division 2025 Conference (NCSD 2025) | Austin, TX, September 14-18, 2025 | Pages 546-555
Verification of the Uniformly-Ordered Binary Decision Algorithm in Correlated-Benchmark Whisper Calculations
A. R. Clark (LANL), M. E. Rising (LANL)
Proceedings | Nuclear Criticality Safety Division 2025 Conference (NCSD 2025) | Austin, TX, September 14-18, 2025 | Pages 556-565
Criticality Safety S/U based USL Calculation for UCl3-NaCl Fuel Salt Operations
Konner Casanova (INL)
Proceedings | Nuclear Criticality Safety Division 2025 Conference (NCSD 2025) | Austin, TX, September 14-18, 2025 | Pages 566-573
SCALE Confirmatory Calculations to Support LEU+ Burnup Credit in PWR Spent Fuel Pool Criticality Analyses
Robert A. Hall (Duke Energy), David S. Orr (Duke Energy)
Proceedings | Nuclear Criticality Safety Division 2025 Conference (NCSD 2025) | Austin, TX, September 14-18, 2025 | Pages 574-577
Using the L-Area Facility Emergency Basin for the Rebundling of Spent Nuclear Fuel
Jacskon Meuret (Savannah River Nuclear Solutions), Amanda Szasz (Savannah River Nuclear Solutions)
Proceedings | Nuclear Criticality Safety Division 2025 Conference (NCSD 2025) | Austin, TX, September 14-18, 2025 | Pages 580-588
Reference Fuel Development for Non-Aluminum Spent Nuclear Fuel Management
Milo Scheulen (Savannah River Nuclear Solutions), Christian A. Sifuentes (Savannah River Nuclear Solutions)
Proceedings | Nuclear Criticality Safety Division 2025 Conference (NCSD 2025) | Austin, TX, September 14-18, 2025 | Pages 589-596
Development of NCS Guidance for Fissionable Material Accumulation Areas at Sandia
William M. Cook (Sandia), John A. Miller (Sandia)
Proceedings | Nuclear Criticality Safety Division 2025 Conference (NCSD 2025) | Austin, TX, September 14-18, 2025 | Pages 597-606
Burnup Debit? The Specific Case of UNGG Fuel Residues in the Magnesium Waste Pits of Decladding Facilities
Laurent Cholvy (CEA), Nicolas Charret (CEA), Aymeric V. Lauwe (CEA), Anne Mijonnet (CEA), Michael Prigniau (CEA)
Proceedings | Nuclear Criticality Safety Division 2025 Conference (NCSD 2025) | Austin, TX, September 14-18, 2025 | Pages 607-616
Bias and Uncertainties on Calculated keff due to Nuclear Data, of a French Industrial Configuration: the Dissolver Wheel at La Hague Plant
Barthélémi Petillon (ASNR), Aurélie Bardelay (ASNR), Arthur Peron (ASNR)
Proceedings | Nuclear Criticality Safety Division 2025 Conference (NCSD 2025) | Austin, TX, September 14-18, 2025 | Pages 618-627
Updated Guidance on Sensitivity/Uncertainty Methods Use for Nuclear Criticality Safety Validation
Mathieu Dupont (ORNL), William J. Marshall (ORNL), Travis M. Greene (ORNL), Alex Shaw (ORNL), Cihangir Celik (ORNL)
Proceedings | Nuclear Criticality Safety Division 2025 Conference (NCSD 2025) | Austin, TX, September 14-18, 2025 | Pages 628-637
75 Years of Used Nuclear Fuel Operations at the INL - Lessons Learned
Benjamin T. Baranko (Idaho Environmental Coalition)
Proceedings | Nuclear Criticality Safety Division 2025 Conference (NCSD 2025) | Austin, TX, September 14-18, 2025 | Pages 638-647
Criticality Safety Assessment for a New Design High-Assay Low-Enriched Uranium Transport Package (Pegasus)
Michelle M. Nuttall (Nuclear Transport Solutions), Emma Sayce (Nuclear Transport Solutions), Charlotte Davis (Nuclear Transport Solutions)
Proceedings | Nuclear Criticality Safety Division 2025 Conference (NCSD 2025) | Austin, TX, September 14-18, 2025 | Pages 648-657
Comparison of USL using ENDF/B-VII.1 and ENDF/B-VIII.0 in the SKB Final Repository for BWR Fuel
Rasmus Renberg (VNF), Erik Dalborg (VNF)
Proceedings | Nuclear Criticality Safety Division 2025 Conference (NCSD 2025) | Austin, TX, September 14-18, 2025 | Pages 658-665
Legacy Container NCS Issues in Modernization of Long Term Storage Facilities
Susan Nelson (Y-12 Nat'l Security Complex), Tyler Locher (Y-12 Nat'l Security Complex)
Proceedings | Nuclear Criticality Safety Division 2025 Conference (NCSD 2025) | Austin, TX, September 14-18, 2025 | Pages 666-669
Impact of Aging on Geometrically Safe Equipment
Camille Jacques-Gasnot (ORANO Projets), Gregory Caplin (ORANO Projets), Remi Vassieux (ORANO Recyclage)
Proceedings | Nuclear Criticality Safety Division 2025 Conference (NCSD 2025) | Austin, TX, September 14-18, 2025 | Pages 672-681
Conception of a Waste Storage Containing Fissile Materials: Evolution of the Calculation Methodology at the CEA from 1970 to our Days
Michael Prigniau (CEA), Romain Jolivel (CEA), Mouloud Belaïd (CEA)
Proceedings | Nuclear Criticality Safety Division 2025 Conference (NCSD 2025) | Austin, TX, September 14-18, 2025 | Pages 682-691
Control Selection for the Neutralization Tank in the Aqueous Recovery System at the Savannah River Plutonium Processing Facility
Phillip Dressman (Savannah River Nuclear Solutions), Brittany M. Williamson (Spectra Tech), Jaylen Jones (Savannah River Nuclear Solutions)
Proceedings | Nuclear Criticality Safety Division 2025 Conference (NCSD 2025) | Austin, TX, September 14-18, 2025 | Pages 692-701
Responding to Abnormal Field Conditions: Challenges and Lessons Learned
Christian Artunduaga (Y-12 Nat'l Security Complex)
Proceedings | Nuclear Criticality Safety Division 2025 Conference (NCSD 2025) | Austin, TX, September 14-18, 2025 | Pages 702-705
An Operational Approach to Justifying the Use of the Sum of Fractions Method
Sandra Larson (21 Consulting Group), Kyle Moyant (Salado Isolation Mining Contractors)
Proceedings | Nuclear Criticality Safety Division 2025 Conference (NCSD 2025) | Austin, TX, September 14-18, 2025 | Pages 706-709
Effects of a Composite Water-Steel Reflector on keff for Fast Metal System
Michael I. McDonald (Savannah River Nuclear Solutions), James S. Baker (Spectra Tech)
Proceedings | Nuclear Criticality Safety Division 2025 Conference (NCSD 2025) | Austin, TX, September 14-18, 2025 | Pages 710-713
Modernization of SRNS 12-Rad Zone Analysis - MCNP-Based Explicit Methodology
Daniel P. Speaker (Savannah River Nuclear Solutions), William D. Newmyer (Spectra Tech)
Proceedings | Nuclear Criticality Safety Division 2025 Conference (NCSD 2025) | Austin, TX, September 14-18, 2025 | Pages 716-725
Applicative Uses Of Generational Genetics Algorithms For Criticality Safety Assessment Demonstrations
David Noyelles (CEA), Michael Prigniau (CEA)
Proceedings | Nuclear Criticality Safety Division 2025 Conference (NCSD 2025) | Austin, TX, September 14-18, 2025 | Pages 726-735
Tolerance Limits in Criticality Safety Analysis and Issues in NUREG 6698
Axel Hoefer (Framatome)
Proceedings | Nuclear Criticality Safety Division 2025 Conference (NCSD 2025) | Austin, TX, September 14-18, 2025 | Pages 736-745
TRISO Fuel Homogeneous Critical Standard Values for Nuclear Criticality Safety Assessment
Thomas Albert (ASNR), Aurélie Bardelay (ASNR)
Proceedings | Nuclear Criticality Safety Division 2025 Conference (NCSD 2025) | Austin, TX, September 14-18, 2025 | Pages 746-753
Explicit Modeling of B4C in Neutron Absorber Plates with SCALE
Eirena Klemes (NCSU), Mathieu N. Dupont (ORNL), William J. Marshall (ORNL)
Proceedings | Nuclear Criticality Safety Division 2025 Conference (NCSD 2025) | Austin, TX, September 14-18, 2025 | Pages 754-763
TRISO-form HALEU-fueled Experiment for Transport Applications (THETA) Experimental Design and Simulation Results
Kristin Stolte (LANL), Alex Levinsky (LANL), Christopher Campbell (Kairos Power), Nader Satvat (Kairos Power), Theresa Cutler (LANL)
Proceedings | Nuclear Criticality Safety Division 2025 Conference (NCSD 2025) | Austin, TX, September 14-18, 2025 | Pages 766-774
The National Criticality Experiments Research Center: Accomplishments and Experiments Related to Criticality Safety in the Last Three Years
George E. McKenzie (LANL), Kelsey Amundson (LANL), Theresa E. Cutler (LANL), Nicholas W. Thompson (LANL), Nicholas H. Whitman (LANL)
Proceedings | Nuclear Criticality Safety Division 2025 Conference (NCSD 2025) | Austin, TX, September 14-18, 2025 | Pages 775-784
Quantifying Benchmark Submission Improvement with TSUNAMI-IP and TSURFER
Rowdy Davis (Univ. New Mexico), Christopher M. Perfetti (Univ. New Mexico), Larry L. Wetzel (LL Wetzel, LLC.)
Proceedings | Nuclear Criticality Safety Division 2025 Conference (NCSD 2025) | Austin, TX, September 14-18, 2025 | Pages 785-793
Lilith: An Enduring Plutonium Critical Assembly
Cole Kostelac (LANL), Jesson D. Hutchinson (LANL), George E. McKenzie (LANL), Kristin N. Stolte (LANL), Robert C. Little (LANL)
Proceedings | Nuclear Criticality Safety Division 2025 Conference (NCSD 2025) | Austin, TX, September 14-18, 2025 | Pages 794-801
Enhancements to the KENO Validation Benchmark for Spent Fuel Pool Criticality Analyses
Robert Hall (Duke Energy), David S. Orr (Duke Energy)
Proceedings | Nuclear Criticality Safety Division 2025 Conference (NCSD 2025) | Austin, TX, September 14-18, 2025 | Pages 802-805
Absolute Efficiency Characterization of Neutron Detectors within Radioisotope Identification Devices
Nuria A. Putnam (TAMU), Craig M. Marianno (TAMU), Nicholas H. Whitman (LANL), Sam Meijer (LANL), Jesson D. Hutchinson (LANL)
Proceedings | Nuclear Criticality Safety Division 2025 Conference (NCSD 2025) | Austin, TX, September 14-18, 2025 | Pages 806-809
Domestic and International Consensus Standards for Nuclear Criticality Safety - Overview & Status
Douglas G. Bowen (ORNL)
Proceedings | Nuclear Criticality Safety Division 2025 Conference (NCSD 2025) | Austin, TX, September 14-18, 2025 | Pages 812-822
Nuclear Criticality Safety Standards: Overview of the Areas Covered by the ANSI/ANS-8 and the ISO/WG8 series
Michael Prigniau (CEA), Aurélie Bardelay (ASNR), Grégory Caplin (ORANO Projets), Douglas G. Bowen (ORNL)
Proceedings | Nuclear Criticality Safety Division 2025 Conference (NCSD 2025) | Austin, TX, September 14-18, 2025 | Pages 823-832
Criticality Accident Alarm Systems: Comparison between ISO 7753:2023 and ANSI/ANS-8.3-2022
Michael Laget (CEA), Matthieu Duluc (Framatome), Adrien Gallozzi-Ulmann (ASNR), Julien Rannou (ASNR)
Proceedings | Nuclear Criticality Safety Division 2025 Conference (NCSD 2025) | Austin, TX, September 14-18, 2025 | Pages 833-843
Comparison of ISO 27468 and ANS 8.27 Standards on Burnup Credit
Grégory Caplin (ORANO)
Proceedings | Nuclear Criticality Safety Division 2025 Conference (NCSD 2025) | Austin, TX, September 14-18, 2025 | Pages 844-847
Status of the International Criticality Safety Benchmark Evaluation Project
Catherine M. Percher (LLNL), John D. Bess (JFoster & Assoc.), William J. Marshall (ORNL), Julie-Fiona Martin (OECD NEA), Ian P. Hill (OECD NEA), Tatiana Ivanova (OECD NEA)
Proceedings | Nuclear Criticality Safety Division 2025 Conference (NCSD 2025) | Austin, TX, September 14-18, 2025 | Pages 850-858
Reactor Critical Experiments of the Rensselaer Polytechnic Institute Reactor Critical Facility with Noteworthy Non-fissile Stainless Steel Elements Sensitivity
Mathieu Dupont (ORNL), Matthew D. Eklund (INL), Wei Ji (Rensselaer Polytechnic Institute)
Proceedings | Nuclear Criticality Safety Division 2025 Conference (NCSD 2025) | Austin, TX, September 14-18, 2025 | Pages 859-868
Computational Investigation of 2D Nuclide Concentrations at Burnups close to Peak Reactivity in the Context of the LAGER Project
Volker Hannstein (BGZ Gesellschaft für Zwischenlagerung mbH), Maik Stuke (BGZ Gesellschaft für Zwischenlagerung mbH)
Proceedings | Nuclear Criticality Safety Division 2025 Conference (NCSD 2025) | Austin, TX, September 14-18, 2025 | Pages 869-878
The Need to Revise the Flattop-Plutonium Benchmark
Kristin N. Stolte (LANL), Theresa E. Cutler (LANL)
Proceedings | Nuclear Criticality Safety Division 2025 Conference (NCSD 2025) | Austin, TX, September 14-18, 2025 | Pages 879-882
TRISO-form HALEU-fueled Experiment for Transport Applications (THETA) Serpent 2 Benchmarking
Alex Levinsky (LANL), Kristin N. Stolte (LANL), Russell Johns (LANL), Michael E. Rising (LANL), Christopher B. Campbell (Kairos Power), Nader Satvat (Kairos Power), Theresa E. Cutler (LANL)
Proceedings | Nuclear Criticality Safety Division 2025 Conference (NCSD 2025) | Austin, TX, September 14-18, 2025 | Pages 883-893
Development and Implementation of a Nuclear and Criticality Safety Engineering Pipeline Course at North Carolina State University
Tracy E. Stover (Savannah River Nuclear Solutions)
Proceedings | Nuclear Criticality Safety Division 2025 Conference (NCSD 2025) | Austin, TX, September 14-18, 2025 | Pages 896-906
NCS Mentorship - Sandia Perspective, Lessons Learned, and Growth
Andres Morell-Pacheco (Sandia), Ashley R. Raster (Sandia), James R. Cole (Sandia), John A. Miller (Sandia)
Proceedings | Nuclear Criticality Safety Division 2025 Conference (NCSD 2025) | Austin, TX, September 14-18, 2025 | Pages 907-914
Formation of the UK Early-Careers Criticality Safety Network
Jennifer H. Bateman (Sellafield), Jacob Willday (Sellafield), Holleigh Pearson (Urenco Capenhurst), Emma Sayce (Nuclear Transport Solutions), Nathan Sayle (United Kingdom National Nuclear Laboratory), Roksana Grzelak (NRS Dounreay), Tim Harris (Nuclear Waste Services), Paul Hunter (AWE), Harry Lester (Rolls-Royce), Callum Eldridge (Galson Sciences)
Proceedings | Nuclear Criticality Safety Division 2025 Conference (NCSD 2025) | Austin, TX, September 14-18, 2025 | Pages 915-923
Progress on Implementing a Subcritical Assembly at Oak Ridge National Laboratory for Nuclear Criticality Safety Training
Alexander Lang (ORNL), Douglas G. Bowen (ORNL), Mathieu Dupont (ORNL), Walid A. Metwally (ORNL), Veronica V. Karriem (ORNL)
Proceedings | Nuclear Criticality Safety Division 2025 Conference (NCSD 2025) | Austin, TX, September 14-18, 2025 | Pages 924-932
A Digital Compilation of Nuclear Criticality Papers from the American Nuclear Society Transactions Published from 1958 through 1999
Brian L. Koponen (Golden Valley Publications), John Fabian (ANS)
Proceedings | Nuclear Criticality Safety Division 2025 Conference (NCSD 2025) | Austin, TX, September 14-18, 2025 | Pages 933-936

Nuclear Criticality Safety Division 2025 Conference (NCSD 2025)

Austin, TX, September 14-18, 2025