Nuclear Criticality Safety Program (NCSP) Technical Program Review - 2021

February 23–25, 2021
Hosted Virtually by: Oak Ridge National Laboratory


NCSP Management Team

Angela Chambers, DOE NNSA (NA-511), NCSP Program Manager
Doug Bowen, ORNL, Execution Manager
John Miller, Sandia, CEdT Manager
Marsha Henley, ORNL, Program Execution Support
Contact the team: ncsp-mgmt [at] (ncsp-mgmt[at]llnl[dot]gov)


DAY 1 — February 23, 2021


Angela Chamber (DOE NNSA) Welcome from NCSP
Doug Bowen (ORNL/NCSP) The NCSP and the Purpose of the Technical Program Review
David Hayes (CSSG) The DOE CSSG: 2020 the Year in Review


NCSP Task Manager Invited Site Reports
David Brown (BNL) NNDC Support to the NCSP
Joetta Goda (LANL) LANL FY20 NCSP Highlights
David Heinrichs (LLNL) LLNL Task Highlights and Budget
Sylvia Wright-Reeder (MSTS) MSTS Support Activities FY 2020
Doug Bowen (ORNL) Task Manager Presentation for ORNL
Yaron Danon (RPI) NCSP Related Nuclear Data Research at RPI
Gary Harms (SNL) The NCSP at Sandia in FY20
David Erickson (SRS) FY20 Status of SRS-IPD-1
Kevin Reynolds (Y-12) Y-12 Task Work Summary


International Collaborations
Matthew Harker (AWE) Technical Program Review
Sophie Pignet (IRSN) IRSN Work in Support of NCSP: status and proposals
Peter Schillebeeckx (JRC/GEEL) Nuclear Data at GELINA in support to Criticality Safety
Jean-Christophe Trama, Coralie Carmouze (CEA) Overview of CEA DES Criticality-Safety Activities
Julie-Fiona Martin (OECD-NEA) Current activities in the NEA Nuclear Science Committee relevant to the NCSP


FY20 Analytical Methods Technical Presentations
Kent Parsons (LANL) Verification of the Re-Released ENDF/B-VIII.0 Based Thermal Scattering Libraries
Forrest Brown (LANL) Physics Improvements for Criticality Calculations with MCNP6.3
Kent Parsons (LANL) Analytic Insights into the Neutronic Characteristics of Neutron Moderators from MCNP Calculations
Jeremy Conlin (LANL) NJOY21 Release: RECONR, THERMR, and LEAPR
Mike Rising (LANL) MCNP6® Recent Updates on Modernization, R&D, and Release Plans
Brian Kiedrowski (LANL / University of Michigan) Uniformly Ordered Binary Decision Algorithm for Benchmark Experiment Correlations in Whisper Validation
Andrew Holcomb (ORNL) AMPX Development
Tim Valentine (ORNL) Radiation Safety Information Computational Center (RSICC)
Travis Greene (ORNL) Nuclear Data and Cross Section Testing Using ENDF/B-VIII.0
Isaac Meyer (ORNL/MIT) Preliminary Results for Temperature-Dependent Propagation of Resonance Parameter Uncertainty
William Wieselquist (ORNL) ORNL AM2 SCALE


DAY 2 — February 24, 2021


FY20 Information Preservation And Dissemination Technical Presentations
Doug Bowen (ORNL) FY20 ORNL IPD7 - Howard Dyer Library Preservation Task - Status Report
Mathieu Dupont (ORNL) Oak Ridge Health Physics Research Reactor CAAS Benchmark Evaluation
Scott Finfrock (SRS) CritView – Version 1.04 – Public Release


FY20 Integral Experiments Technical Presentations
Jesson Hutchinson (LANL) Benchmark Updates: KRUSTY, Class Foils, CURIE, and JAEA Collaborations
Joetta Goda (LANL) Godiva Experiments in FY20: Multiphysics (IER 268) and CAAS Testing (IER 497)
Kelsey Amundson (LANL) Copper Critical Experiment CED-1 Progress
Rob Weldon/Geordie McKenzie (LANL) MUSiC: Measurement of Uranium Subcritical and Critical (IER 488)
Travis Grove (LANL) CURIE: Critical Unresolved Region Integral Experiment (IER 489)
Theresa Cutler (LANL) Hypatia: YH2 Critical Experiment
Catherine Percher (LLNL) Final Design for IER 480: Thermal Epithermal eXperiments (TEX) Plutonium Experiments to Test New Thermal Scattering Laws
Catherine Percher (LLNL) PU-MET-MIXED-003: New Thermal Epithermal eXperiments (TEX) Plutonium Benchmarks with Tantalum
Daniel Siefman (LLNL) IER 519: Final Design of a Plutonium TEX Variant to with Iron and Manganese Absorbers to Provide NCS Validation Benchmarks to Hanford Tank Farms
Jesse Norris (LLNL) IER 297: Update on TEX with Highly Enriched Uranium and Polyethylene
Jesse Norris / Catherine Percher (LLNL) IER 479: Preliminary Design for a Unique Low-Temperature HEU TEX Variant
Lucas Snyder (LLNL) IER 268: PDV and Gamma/Neutron Yield Measurements of Godiva Critical Assembly
Justin Clarity (ORNL) IER 304: Temperature Dependent Experiments using SPR/CX CED-2
Riley Cumberland (ORNL) IER 498: Godiva-IV CAAS Benchmark
David Ames (SNL) Sandia 7uPCX Fuel Rod Pitch Variation Experiments
Elijah Lutz (SNL) Developing a Benchmark Evaluation from Experiments Performed on the Space Nuclear Thermal Propulsion Zero- Power Critical Assembly (SNTP-CX)
Gary Harms (SNL) Measuring the Inversion Point of the Isothermal Reactivity Coefficient in a Water-Moderated Pin-Fueled Critical Assembly


FY20 Nuclear Data Technical Presentations
Gustavo Nobre (BNL) Machine Learning for Neutron Resonance Evaluations
Matteo Vorabbi (BNL) Alternate approach for calculating URR PDFs
Alex Clark (LANL) Optimal Experiment Design and Nuclear Data Validation with Diverse Benchmarks
Amy Lovell (LANL) Towards a Consistent Evaluation of Fission Observables


DAY 3 — February 25, 2021


FY20 Nuclear Data Technical Presentations (continued)
Denise Neudecker (LANL) Evaluations of the 239Pu Fission Source Term
Esther Leal Cidoncha (LANL) Measurements of 233U(n,y) with DANCE
Mark Paris/Ionel Stetcu (LANL) LANL Evaluation Progress in FY 2020
Ayman Hawari (LLNL/NCSU) Accomplishments of Thermal Neutron Scattering Research at NCSU
Chris Chapman (ORNL) Resolved Resonance Region Evaluation Update of 140,142Ce
Chris Chapman (ORNL) Thermal Neutron Scattering Measurements & Evaluations at ORNL
Doro Wiarda (ORNL) SAMMY Modernization Efforts
Jesse Brown (ORNL) Bayesian MC Evaluation for Differential and Integral Benchmark Data
Jesse Brown (ORNL) Activation Analysis for Enriched Isotopes
Jordan McDonnell (ORNL) Updates to the n+63,65Cu RRR+URR Evaluations
Klaus Guber (ORNL) ORNL Neutron Cross Section Measurements on Zr for NCSP ND-1 Task
Marco Pigni (ORNL) The re-evaluation and validation of the n+233U neutron cross sections
Dominik Fritz (RPI) Thermal Neutron Target Development
Sukhjinder Singh (RPI) keV Capture Measurements and Preliminary Results for Cr
Yaron Danon (RPI) NCSP Related Nuclear Data Research at RPI LINAC Refurbishment Update
Chris Robinson / Lloyd Jollay (Y-12) Y-12 NSC Status of Metallic Fuel Projects & Capabilities


FY20 Training and Education Technical Presentations
Doug Bowen (ORNL) ORNL NCSP Training and Education Support for FY20
Angela Chamber (DOE NNSA) Final Remarks