Seth McConchie Radiation Detection - Sr. Research Staff Contact 865.576.9376 | MCCONCHIESM@ORNL.GOV All Publications Development of a Portable Pixelated Fast-Neutron Imaging Panel NMIS/FNMIS Comparison for US DOE Office of Nuclear Verification Assessment of Modeling and Nuclear Data Needs for Active Neutron Interrogation Nuclear Data Scoping Studies for Nonproliferation - paper Initial Investigation of the Small Feature Detection Capability of the ORNL Fast Neutron Tomographic Imaging System An Evaluation of Systematic Biases of the Point Kinetics Model for Active Interrogation of Uranium A Point Kinetics Model for Estimating Neutron Multiplication of Bare Uranium Metal in Tagged Neutron Measurements Fast-Neutron Imaging with API DT Neutron Generators... Time Correlation Measurements of Heavily Shielded Uranium Metal Edge Detection and Shape Recognition in Neutron Transmission Images Enrichment Determination of Uranium in Shielded Configurations... Neutron Radiography and Fission Mapping Measurements of Nuclear Materials with Varying Composition and Shielding... Identification of Shielding Material Configurations Using NMIS Imaging Active Interrogation Observables for Enrichment Determination of DU Shielded HEU Metal Assemblies with Limited Geometrical In... Time Correlation Measurements of 252Cf Source–Driven Fission Chains in Bare HEU Metal Assemblies Induced-Fission Imaging of Nuclear Material... Reflected Neutron Effects in Multiplicity Measurements of Bare HEU Assemblies Prompt Neutron Time Decay in Single HEU and DU Metal Annular Storage Castings A New Scintillator for Fast Neutron Detection: Single-Crystal CeCl3(CH3OH)4 Measurements of 14.1 MeV Neutron Reflection and Transmission for Carbon, Polyethylene, and Steel... Pulsed D-D Neutron Generator Measurements of HEU Oxide Fuel Pins... Prompt Neutron Decay Constant from Feynman Variance Fitting Passive Time Coincidence Measurements with Assemblies of HEU and DU Castings Alpha Detector Pixelization Effects on NMIS Imaging... Passive Time Coincidence Measurements with HEU Oxide Fuel Pins Pagination Current page 1 Page 2 Next page ›â¶Äº Last page Last » Key Links Organizations Physical Sciences Directorate Physics Division Nuclear Science and Advanced Technology Section Advanced Detection and Applied Data Science