Kirsten E Pena Contact penake@ornl.gov | 865.341.2282 All Publications Operational Focused Data Analytics for Optimizing Radiation Portal Monitor-Based Nuclear Smuggling Detection Systems at Global Ports of Entry Time Correlation Measurements of Heavily Shielded Uranium Metal... Active Interrogation Observables for Enrichment Determination of DU Shielded HEU Metal Assemblies with Limited Geometrical In... Enrichment Determination of Uranium in Shielded Configurations... Prompt Neutron Time Decay in Single HEU and DU Metal Annular Storage Castings... Rare-Earth Tri-Halide Methanol-Adduct Single-Crystal Scintillators for Gamma Ray and Neutron Detection - 8/17/09... Organizations Physical Sciences Directorate Physics Division Nuclear Science and Advanced Technology Section Radiation Imaging and Advanced Diagnostics Group