Christopher A. Meert
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View article: Detection of uranium-photofission neutrons with a <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline" overflow="scroll"><mml:msup><mml:mi/><mml:mn>4</mml:mn></mml:msup><mml:mi>He</mml:mi></mml:math> scintillation detector
Detection of uranium-photofission neutrons with a scintillation detector Open
The use of photon active interrogation to detect special nuclear material has held significant theoretical promise, as the interrogating source particles, photons, are fundamentally different from one of the main signatures of special nucl…
View article: Detection of Prompt Photofission Neutrons from U-238 with a He-4 Scintillation Detector.
Detection of Prompt Photofission Neutrons from U-238 with a He-4 Scintillation Detector. Open
View article: Measurement of Photoneutrons from Depleted Uranium and Comparison Study Using MCNPX-PoliMi
Measurement of Photoneutrons from Depleted Uranium and Comparison Study Using MCNPX-PoliMi Open
High-energy photon interrogation is a nondestructive technique that is used to detect special nuclear materials and characterize nuclear waste. The development of such systems is complex and requires Monte Carlo simulations to optimize sys…
View article: Prompt Photofission Neutron Detection in Depleted Uranium
Prompt Photofission Neutron Detection in Depleted Uranium Open
The detection of prompt photofission neutrons during active interrogation is a strong indication of the presence of special nuclear materials. However, the high-energy photons used for interrogation create a very challenging radiation envi…
View article: Improved Fast Neutron Detection Methods for Photon Active Interrogation
Improved Fast Neutron Detection Methods for Photon Active Interrogation Open
Detection and interdiction of illicit nuclear material is an essential homeland security activity, and highly-enriched uranium is the most challenging material to detect because the passive radiation signatures of uranium-235 are relativel…
View article: High-fidelity photoneutron detection via neutron activation analysis
High-fidelity photoneutron detection via neutron activation analysis Open
View article: Mitigation of photon active interrogation background for fast neutron detection
Mitigation of photon active interrogation background for fast neutron detection Open
Photon active interrogation offers solutions to many of the challenges with preventing the proliferation of concealed special nuclear material. A pulse shape discrimination capable organic scintillator based detection approach coupled with…
View article: Initial Active Interrogation Experiments at The University of Michigan Linear Accelerator Laboratory
Initial Active Interrogation Experiments at The University of Michigan Linear Accelerator Laboratory Open
To support the mission of the Countering Weapons of Mass Destruction Office of the Department of Homeland Security, the Detection for Nuclear Nonproliferation group is researching active interrogation techniques and the development of new …
View article: Embedded Sensors and Controls to Improve Component Performance and Reliability - Final Report
Embedded Sensors and Controls to Improve Component Performance and Reliability - Final Report Open
Oak Ridge National Laboratory has researched embedded instrumentation and controls (I&C) for extreme environments under the Department of Energy, Office of Nuclear Energy's Nuclear Energy Enabling Technology program. Advanced sensors and c…