Theresa Cutler
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View article: Advanced Moderator Material Handbook (FY25)
Advanced Moderator Material Handbook (FY25) Open
View article: Challenges in Explicit Modeling of TRISO in MCNP [Slides]
Challenges in Explicit Modeling of TRISO in MCNP [Slides] Open
View article: Nuclear data sensitivity and uncertainty study of copper-reflected integral experiments [Slides]
Nuclear data sensitivity and uncertainty study of copper-reflected integral experiments [Slides] Open
View article: Chlorine Validation through Critical Integral Experiments [Slides]
Chlorine Validation through Critical Integral Experiments [Slides] Open
View article: Cerberus and the Zeus Suite of Critical Experiment Benchmarks [Slides]
Cerberus and the Zeus Suite of Critical Experiment Benchmarks [Slides] Open
View article: Explicit modelling uco triso particles in graphite media for haleu transport experiments [Slides]
Explicit modelling uco triso particles in graphite media for haleu transport experiments [Slides] Open
View article: Reevaluation of the Flattop-HEU Benchmark Model for Nuclear Data Validation [Slides]
Reevaluation of the Flattop-HEU Benchmark Model for Nuclear Data Validation [Slides] Open
View article: Selecting differential and integral experiments via machine learning to reduce <sup>239</sup>pu nuclear data uncertainties from 1-600 kev [Poster]
Selecting differential and integral experiments via machine learning to reduce <sup>239</sup>pu nuclear data uncertainties from 1-600 kev [Poster] Open
View article: Design of a High-Assay Low-Enriched Uranium Tri-Structural Isotropic Critical Experiment for Advanced Reactor Validation
Design of a High-Assay Low-Enriched Uranium Tri-Structural Isotropic Critical Experiment for Advanced Reactor Validation Open
View article: The National Criticality Experiments Research Center: Accomplishments and Experiments in the Last Three Years [Slides]
The National Criticality Experiments Research Center: Accomplishments and Experiments in the Last Three Years [Slides] Open
View article: Simulations of Deimos High Assay Low Enriched Uranium Critical Experiment [Slides]
Simulations of Deimos High Assay Low Enriched Uranium Critical Experiment [Slides] Open
View article: Machine Learning to Select Experiments Driven by Fundamental Science and Applications for Targeted Nuclear Data Improvement
Machine Learning to Select Experiments Driven by Fundamental Science and Applications for Targeted Nuclear Data Improvement Open
This work describes a blueprint for a process that accelerates progress in science by quantitatively answering the following question: What is the optimal combination of fundamental-science and application-driven experiments to maximally r…
View article: Neutron Leakage Spectra Sensitivity Simulations for PARADIGM [Poster]
Neutron Leakage Spectra Sensitivity Simulations for PARADIGM [Poster] Open
View article: Neutron Noise Measurements of a Fast HEU Copper System
Neutron Noise Measurements of a Fast HEU Copper System Open
View article: Chlorine Validation through Critical Integral Experiments
Chlorine Validation through Critical Integral Experiments Open
An increased interest in the validation of chlorine nuclear data, specifically 35Cl, in recent years has led to the prioritization of conducting chlorine critical experiments for nuclear data validation and criticality safety evaluations. …
View article: Adjusting to Different Types of Integral Responses
Adjusting to Different Types of Integral Responses Open
View article: Genetic Algorithm Optimization of Nuclear Criticality Experiment for Reduction of Intermediate-Energy 239pu Nuclear Data Uncertainties
Genetic Algorithm Optimization of Nuclear Criticality Experiment for Reduction of Intermediate-Energy 239pu Nuclear Data Uncertainties Open
View article: Analysis of NCERC Critical Experiments with ENDF/B Libraries
Analysis of NCERC Critical Experiments with ENDF/B Libraries Open
View article: The PARADIGM Project: An Integral Experiment Optimized to Reduce Plutonium Intermediate Energy Nuclear Data Uncertainties
The PARADIGM Project: An Integral Experiment Optimized to Reduce Plutonium Intermediate Energy Nuclear Data Uncertainties Open
View article: Cu covariance study including impacts on past (and future) Zeus experiments
Cu covariance study including impacts on past (and future) Zeus experiments Open
This presentation covers why we should care about Cu nuclear data. It also covers the current state of Cu63 and Cu65 covariances and the Impact on specific critical experiments.
View article: Critical Assemblies at NCERC
Critical Assemblies at NCERC Open
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View article: Correlated Signal Analysis for Nuclear Emergency Response
Correlated Signal Analysis for Nuclear Emergency Response Open
In the context of nuclear emergency response (NER) scenarios, the critical task is to quickly identify a "black box" as a potential threat, as failing to do so could have catastrophic consequences. Techniques for passive assay of a “black …
View article: IER 499 Thermal Epithermal eXperiments with Highly Enriched Uranium and Chlorine (TEX-Cl) CED-3B
IER 499 Thermal Epithermal eXperiments with Highly Enriched Uranium and Chlorine (TEX-Cl) CED-3B Open
The Thermal Epithermal eXperiments (TEX) with highly enriched uranium (HEU) and chlorine (TEX Cl) experiment, IER 499, was executed at the National Criticality Experiments Research Center (NCERC) in July - August 2024 by the following memb…
View article: Investigation of Benchmark $k$<sub>eff</sub> Sensitivity and Uncertainty for <sup>239</sup>Pu fission in Specific Energy Ranges
Investigation of Benchmark $k$<sub>eff</sub> Sensitivity and Uncertainty for <sup>239</sup>Pu fission in Specific Energy Ranges Open
Nuclear data at intermediate energies (from 1 to 100s of keV) are evaluated based on scarce differential data and theory unable to capture physics’ expected structure. There is also a lack of integral data. This is a known deficiency and i…
View article: Low-fidelity MCNP Integral Experiment Model Optimization
Low-fidelity MCNP Integral Experiment Model Optimization Open
View article: Analysis of NCERC Critical Experiments with ENDF/B Nuclear Data Libraries
Analysis of NCERC Critical Experiments with ENDF/B Nuclear Data Libraries Open
Nuclear data (ND) libraries are the backbone of the nuclear industry, as they are the collections of tabulated probabilities that define sub-atomic particle interactions with matter. In the areas of criticality safety and experiments, no e…
View article: The PARADIGM Project: Case Study in Balancing Experiment Uncertainty with Design simplicity
The PARADIGM Project: Case Study in Balancing Experiment Uncertainty with Design simplicity Open
Accurate nuclear data are required for simulations of many applications including nuclear criticality safety. Actinide nuclear data at intermediate energies (from 1 to 100s of keV) are imprecise and inaccurate, because of scarce differenti…
View article: Impact of Higher Fidelity Design Iterations on Critical System Criteria
Impact of Higher Fidelity Design Iterations on Critical System Criteria Open
Nuclear criticality experiments are effective at informing the performance of nuclear data libraries across many applications. This work explores the implications of refining critical experiment MCNP models from their low fidelity optimiza…
View article: Preliminary Benchmark Uncertainties for Deimos, a HALEU-Fueled and Graphite-Moderated Advanced Reactor Testbed
Preliminary Benchmark Uncertainties for Deimos, a HALEU-Fueled and Graphite-Moderated Advanced Reactor Testbed Open
Many advanced reactor concepts will make use of various uranium fuels with levels of enrichment higher than previously seen in current light water reactors. In particular, High-Assay Low Enriched Uranium (HALEU), that is uranium enriched t…
View article: Status of the CERBERUS Evaluation for the International Criticality Safety Benchmark Evaluation Project (ICSBEP) Handbook
Status of the CERBERUS Evaluation for the International Criticality Safety Benchmark Evaluation Project (ICSBEP) Handbook Open
Modeling & Simulation (M&S) tools are used to analyze advanced reactor designs and the safety of current nuclear operations. As computers continue to improve, we are able to enhance resolution in our calculations. Therefore, the limitation…