Philip W Gibbs Contact 865.574.3848 | gibbspw@ornl.gov All Publications FY 2023 Summary Report - Pebble Bed Reactor Domestic Safeguards... 3D Source Reconstruction Using Coded Aperture Gamma-Ray Imaging Statistical Approaches for Pebble Bed Reactor Operations and Safeguards Modeling and Simulation of Fuel Burnup in Pebble Bed Reactors... Implementation of a System of Gamma Imagers for Measuring Plutonium Holdup Efficiency Calibration of the H3D H420 Gamma-Ray Imager... The Development of a Rugged Weather-Resistant Continuous Holdup Monitor for Ductwork at Nuclear Facilities... Uncertainty Quantification of Pebble's Discharge Burnup and Isotopic Inventory using SCALE Safeguards Material Control And Accountancy Considerations For Molten Salt Reactors Domestic Safeguards Material Control and Accountancy Considerations for Molten Salt Reactors Model MC&A for Pebble Bed Reactors Estimating the Uncertainty of the Change in Holdup Inventory Comparison Between Nuclear Material Accounting and Control for Nuclear Security and a State System of Accounting and Control ... Key Links ORCID