David A Hooper Senior Staff Scientist and Group Lead Contact hooperda@ornl.gov | 865.241.3513 All Publications Weather radar utility in hazard detection and response Physics-Based Machine Learning Methods for U-235 Forensics Signatures... Samoa Updater: An Application of the Levenberg-Marquardt Method to Update Delfic Predictions Using Field Measurements... Selection of Training Sets for 235U Source Detection Classifiers Using Gamma Signatures Proof of principle study: synchrotron X-ray fluorescence microscopy for identification of previously radioactive microparticles and elemental mapping of FFPE tissues Classification Analytics of Pu-239 and U-235 Source Signatures Using Gamma Spectral Regions Space-based quantum networking in the presence of a nuclear disturbed environment Effects of a nuclear-disturbed environment on electromagnetic wave propagation through the atmosphere... Effects on Communications Wavelengths from an Atmospheric Nuclear Detonation... On Feature, Classifier and Detector Fusers for 235U Signatures Using Gamma Spectral Counts On Feature, Classifier and Detector Fusers for U-235 Signatures Using Gamma Spectral Counts Study of Classifiers for U-235 Source Signatures Using Gamma Spectral Measurements... Optical noise in a free-space quantum communications link from natural and nuclear disturbed environments*... Quantum Networking and Communications at Oak Ridge National Laboratory... The enduring legacy of Marie Curie: impacts of radium in 21st century radiological and medical sciences... Radiation-Induced Dark Counts for Silicon Single-Photon Detectors in Space... Nuclear Disturbed Environmental Effects on Space-based Single Photon Detectors... Effects of a nuclear disturbed environment on a quantum free space optical link... Estimation of Optical Channel Signal Loss Following a Near-Surface Nuclear Detonation Dose Coefficient Calculation for Use in Dosimetry Assessment of a Fission-Based Weapon... INITIAL TL/OSL/EPR CONSIDERATIONS FOR COMMERCIAL DIATOMACEOUS EARTH IN RETROSPECTIVE DOSIMETRY AND DATING... Application of Condition-Based Monitoring Techniques for Remote Monitoring of a Simulated Gas Centrifuge Enrichment Plant... Predictive Fallout Composition Modeling: Improvements and Applications of the Defense Land Fallout Interpretive Code... Automating the Coupling of ORIGEN with GADRAS via the Fallout Analysis Tool for National Technical Nuclear Forensics... New Measures to Safeguard Gas Centrifuge Enrichment Plants... Key Links Curriculum Vitae ORCID LinkedIn Organizations National Security Sciences Directorate Nuclear Nonproliferation Division Nonproliferation Engineering Science and Technologies Section Incident Modeling and Computational Sciences