Name: Nuclear Data Week 2025
Start: 2026-01-06T08:00:00-05:00
End: 2026-01-09T18:00:00-05:00
Location: Building 555, Hamilton Conference Room

Nuclear Data Week 2025

from Tuesday 6 January 2026 (08:00) to Friday 9 January 2026 (18:00)

Monday 5 January 2026
Tuesday 6 January 2026

09:00 NDAG
NDAG
09:00 - 11:00

11:00 AMWG
AMWG
11:00 - 12:30

12:30 Lunch
Lunch
12:30 - 13:30
13:30 Welcome - Martin Schoonen (BNL) David Brown (NNDC-BNL)
Welcome
- Martin Schoonen (BNL)
- David Brown (NNDC-BNL)
13:30 - 13:35
13:35 CSEWG 101 - David Brown (NNDC-BNL)
CSEWG 101
- David Brown (NNDC-BNL)
13:35 - 13:45
13:45 ENDF Library Update - Gustavo Nobre (BNL)
ENDF Library Update
- Gustavo Nobre (BNL)
13:45 - 14:00
14:00 Fission Products Yields and Decay Data
Fission Products Yields and Decay Data
14:00 - 16:20
Contributions

14:00 Update on the FY compilation effort at BNL - Andrea Mattera (BNL)

14:20 TBD - Alejandro Sonzogni (NNDC - BNL)

14:40 TBD - Amy Lovell (Los Alamos National Laboratory)

15:20 Updating GEANIE Experimental Data by Evaluated Fission Product Yields, and Los Alamos CoH-based Evaluation (LACE) Framework - Toshihiko Kawano (Los Alamos National Laboratory)

15:40 LLNL FPY Modeling and Evaluation - Ramona Vogt Ramona Vogt (LLNL and UC Davis)

16:00 Fission product yield data for basic physics research and applications - Anton Tonchev (LLNL)
Wednesday 7 January 2026
08:00
08:00 - 12:00
Contributions

08:00 Energy dependent fission yield covariance - Wim Haeck (LANL)

08:10 Disallowing interpolation on the current fission product yield data - Wim Haeck (LANL)

08:20 Standardisation of reaction identifiers for GNDS and linking to ENDF MT nomenclature. - Wim Haeck (LANL)

08:30 TSL Format discussions - Chris Chapman (Oak Ridge National Laboratory)

08:40 Depletion Data (or the Lack Thereof) in ENDF Data Files - Charles Wemple (Studsvik Scandpower Inc.)

08:50 Minor ENDF manual changes - David Brown (NNDC-BNL) Dorothea Wiarda (ORNL) Gustavo Nobre (BNL)

09:00 File 32/File 33 covariance mixing - Dorothea Wiarda (ORNL) Jordan McDonnell (UT-Battelle) Marco Pigni (ORNL)

09:10 Unifying the ENDF free text documentation formats - David Brown (NNDC-BNL)

09:20 NJOY - Wim Haeck (LANL)

09:40 AMPX - Jordan McDonnell (UT-Battelle)

10:20 FUDGE - Caleb Mattoon (Lawrence Livermore National Lab)

10:40 NDEX - Jason Thompson (NNL-KAPL)

11:00 ADVANCE - Coles Rebecca (BNL)

11:20 SAMMY - Dorothea Wiarda (ORNL)

11:40 GNDS Updates - Caleb Mattoon (Lawrence Livermore National Lab)
12:00 Lunch
Lunch
12:00 - 13:30
13:30 Measurements
Measurements
13:30 - 17:35
Contributions

13:30 Measurements with DICER at LANSCE - Thanos Stamatopoulos (Los Alamos National Laboratory)

13:45 Update on Recent Cl-35(n,p) LENZ Measurements into the RRR - Kenneth Hanselman (LANL)

14:00 Recent measurements of 235U, 238U, 239Pu, and 240Pu photofission cross sections in the region of the Giant Dipole Resonance - Anton Tonchev (LLNL)

14:20 Thermal Transmission measurements - Kemal Ramic (Oak Ridge National Lab)

14:35 Recent Work on Neutron Standards - Allan Carlson (NIST)

14:55 Recent Zr-88 and Xe-135 measurements - Will Flanagan (UT)

15:25 Hafnium High-Energy Quasi Differential Scattering - Adam Daskalakis (Naval Nuclear Laboratory)

15:45 Zr measurements at GELINA - Klaus Guber (Oak Ridge National Laboratory)

16:00 Nuclear Data measurements at RPI - Yaron Danon (Rensselaer Polytechnic Institute)

16:20 Recent Results from GENESIS - Bethany Goldblum (Lawrence Berkeley National Laboratory) Thibault Laplace (University of California Berkeley)

16:40 The present status of the EXFOR project - Boris Pritychenko (NNDC, BNL)

16:55 Thermal scattering measurements from graphite - Kemal Ramic (Oak Ridge National Lab)

17:10 Nuclear data measurements of Ni and Cr capture gamma-rays - Shuya Ota (Brookhaven National Laboratory)

17:25 Mn, Cu, Fe capture gammas at thermal - Marian Jandel (University of Massachusetts, Lowell, MA)
Thursday 8 January 2026
08:00 Covariances
Covariances
08:00 - 12:00
Contributions

08:00 Introduction - Denise Neudecker (Los Alamos National Laboratory, Theoretical Division)

08:02 TBD (Ta181 Covariance) - jesson hutchinson (LANL)

08:17 TBD (Standards) - Georg Schnabel (IAEA)

08:32 Using ML to find root causes for discrepancies in experimental data underlying the new 252Cf PFNS Standard - Denise Neudecker (Los Alamos National Laboratory, Theoretical Division)

08:47 TBD (model UQ RRR) - Vladimir Sobes (University of Tennessee)

09:02 TBD (exp. UQ and eval. in the URR) - Cole Fritsch (UTK) Noah Walton (LANL)

09:17 Bayesian Model Mixing and the Bayesian Analysis of Nuclear Dynamics (BAND) Software Framework - Daniel Philips (U. Ohio)

09:32 The BAND approach to optical potentials - Kyle Beyer (University of Michigan)

09:57 Covariances for the LLNL Pu239 Evaluation - Andre Sieverding (LLNL)

10:12 Adjustment of Pu239 Evaluation Using Bayesian Inference - Marc Salinas

10:27 TBD (AI/ML for photo-induced eval.) - Ajeeta Khatiwada (LANL) Ajeeta Khatiwada (LANL)

10:42 TBD (photo-induced eval. and cov.) - Noah Walton (LANL)

10:57 TBD (inventory studies using cov.) - Friederike Bostelmann (Oak Ridge National Laboratory)

11:12 Gaussian Mixture Models (GMM) for data and covariance evaluations: a phonon density of states case study - Goran Arbanas (Oak Ridge National Laboratory)

11:27 TBD (TSL cov.) - Chris Chapman (Oak Ridge National Laboratory)

11:42 TBD (FPY cov.) - Amanda Lewis (LANL)
12:00 Group photo
Group photo
12:00 - 12:20

12:20 Executive Committee Meeting
Executive Committee Meeting
12:20 - 13:30

Lunch
Lunch
12:20 - 13:30

13:30 Evaluation (Neutrons)
Evaluation (Neutrons)
13:30 - 17:30
Friday 9 January 2026
08:00 Validation
Validation
08:00 - 12:00
Contributions

08:00 Welcome - Michael Zerkle (Bettis Atomic Power Laboratory) Michael Zerkle (Naval Nuclear Laboratory)

08:05 LANL Validation Results of Recently Released Libraries - Noah Kleedtke (LANL)

08:20 NNL Validation Testing - Linden Cotchen (NNL)

08:35 MC21 Testing of the ENDF/B-VIII.1 Graphite TSLs in the ORELA PNSDT Benchmark - Jason Thompson (NNL-KAPL) Jason Thompson (NNL)

08:50 ORNL Validation Testing - Travis Greene (ORNL)

09:05 LLNL Testing of ENDF/B-VIII.1 with the COG Validation Suite - Jesse Norris (Lawrence Livermore National Laboratory)

09:25 AWE Validation Testing - Mark Cornock (AWE.Plc)

09:40 Nuclear Data Testing at Studsvik Scandpower - Charles Wemple (Studsvik Scandpower Inc.)

09:55 Update on New ICSBEP Evaluations - Catherine Percher (Lawrence Livermore National Laboratory)

10:30 Data Testing of ENDF/B-VIII.2 Beta Chlorine with ICSBEP - Eric Aboud (LLNL)

10:45 Source Modelling in the LLNL Pulsed Spheres - Tim Gaines (AWE Plc)

11:05 Benchmarking and Validation of Gamma-Producing Nuclear Data For Well Logging - Bor Kos (Baker Hughes)

11:25 Potential for Validation Data from Radioisotope Production at ORNL - William Marshall (Oak Ridge National Laboratory)

11:45 First Look at use of PARADIGM for ND Validation - Peter Brain (LANL)
12:00 Lunch
Lunch
12:00 - 13:00
13:00 Inventory Library
Inventory Library
13:00 - 15:00
Contributions

13:00 Welcome - Andre Sieverding (LLNL)

13:05 Activation Library Use in Target Design and Analysis for Radioisotope Production at ORNL - William Marshall (Oak Ridge National Laboratory)

13:20 Nuclear data needs for activation in inertial confinement fusion

13:35 Impact of cross section and fission yield uncertainties on fuel inventory for a molten salt fast reactors - Germina Procop (ORNL)

13:55 Nuclide inventory validation: effect of nuclear data libraries - Germina Procop (ORNL)

14:10 Reaction theory developments at LANL - Amy Lovell (Los Alamos National Laboratory)

14:25 Reaction theory and workflow developments at LLNL

14:40 Discussion
15:00 Break
Break
15:00 - 15:15