Search Results - "Bevins, James"

Nuclear Data Covariance Analysis in Radiation-Transport Simulations Utilizing SCALE Sampler and the IRDFF Nuclear Data Library by Quartemont, Nicholas J., Bickley, Abigail A., Bevins, James E.

“…This article describes the nuclear data covariance analysis of an experimental design for a neutron energy-tuning assembly (ETA) created to shape a 14-MeV…”
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Measurement of the  160Gd(p,n)160Tb excitation function from 4–18 MeV using stacked-target activation by Chapman, Ryan K., Voyles, Andrew S., Gharibyan, Narek, Bernstein, Lee A., Bevins, James E.

“…The  160Gd(p,n)160Tb excitation function was measured between 4–18 MeV using stacked-target activation at Lawrence Berkeley National Laboratory’s 88-Inch…”
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Impact of neutron energy on asteroid deflection performance by Horan, Lansing S., Holland, Darren E., Bruck Syal, Megan, Bevins, James E., Wasem, Joseph V.

“…In the future, a hazardous asteroid will find itself on a collision course with Earth. For asteroids of moderate size or larger, a nuclear device is one of…”
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Fast-, Light-Cured Scintillating Plastic for 3D-Printing Applications by Frandsen, Brian G., Febbraro, Michael, Ruland, Thomas, Stephens, Theodore W., Hausladen, Paul A., Manfredi, Juan J., Bevins, James E.

“…Additive manufacturing techniques enable a wide range of possibilities for novel radiation detectors spanning simple to highly complex geometries,…”
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AN ASSESSMENT OF THE SPATIAL VARIATION OF ISOTOPIC RATIOS IN A CANDU REACTOR FOR NUCLEAR TREATY MONITORING by Burkhardt, Aaron W., Bevins, James E., Baxter, Stephen H.

“…A 3-D Quarter-Core CANDU-6 is modeled using Serpent 2 for nuclear treaty monitoring. The spatial variation of flux spectra and isotopic concentrations is…”
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Characterization of a boron-loaded deuterated liquid scintillator for fast and thermal neutron detection by Egner, Bryan V., Febbraro, Michael, Bevins, James E.

“…The preparation and characterization of novel boron-loaded deuterated liquid scintillators (BLDLS) are presented for the first time to investigate the…”
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The nuclear network: multiplex network analysis for interconnected systems by Goldblum, Bethany L., Reddie, Andrew W., Hickey, Thomas C., Bevins, James E., Laderman, Sarah, Mahowald, Nathaniel, Wright, Austin P., Katzenson, Elie, Mubarak, Yara

“…States facing the decision to develop a nuclear weapons program do so within a broader context of their relationships with other countries. How these…”
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Neutron Energy Effects on Asteroid Deflection by Horan, Lansing S., Holland, Darren E., Syal, Megan Bruck, Wasem, Joseph, Dexter, Michael L., Bevins, James E.

“…The impact of the physical geometry of source versus target produced by a nuclear device used for neutron irradiation and energy deposition as a means of…”
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A framework for assessing alternate proliferation pathways in the age of non-state actors by Bevins, James E., Laderman, Sarah, Goldblum, Bethany L., Katzenson, Elie, Kendrick, James, Krentz-Wee, Rebecca, Tian, Yubing

“…While the nonproliferation community has long acknowledged the possibility of nuclear terrorism, its prevention has become a central focus area in recent…”
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Unfolding the Effects of Cobalt-60 Irradiation on Contour-Mode Piezoelectric Resonators by Lynes, David D., Chandrahalim, Hengky, Bevins, James E., Petrosky, James C.

“…Among piezoelectric materials, AlN garners particular attention due to its advantageous fabrication properties and seamless integration with the CMOS…”
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Regularized heuristic method for activation monitor neutron spectrum unfolding by Quartemont, Nicholas J., Bevins, James E.

“…This paper describes an activation foil measurement based neutron flux unfolding method utilizing a heuristic optimization approach. A regularization parameter…”
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Multi-objective genetic algorithm optimization of a directionally sensitive radiation detection system using a surrogate transport model by Holland, Darren E., Olesen, Robert J., Bevins, James E.

“…Direction-sensitive and imaging radiation detection systems often rely on complicated mask geometries to reconstruct source positions and images. Optimizing…”
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Boron-loaded deuterated liquid scintillator response characterization for neutron spectroscopy by Egner, Bryan V., Febbraro, Michael, Holland, Darren E., Bevins, James E.

“…This research presents the characterization methods and results for determining the pulse-integral response calibration, resolution, efficiency, and heavy…”
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Effects of Gamma Ray Radiation on the Performance of Microelectromechanical Resonators by Lynes, David D., Chandrahalim, Hengky, Bevins, James E., Petrosky, James C.

“…While much radiation test data are available for metal‐oxide‐semiconductor (MOS) devices, research into the effects of radiation on microelectromechanical…”
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Development of a modular mixed-radiation directional rotating scatter mask detection system by Egner, Bryan V., Holland, Darren E., Burggraf, Larry W., Bevins, James E.

“…The ability to simultaneously identify the direction of both fast neutrons, above 1 MeV, and gamma rays using a light-weight system consisting of a single 1”…”
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Effects of Gamma Ray Radiation on the Performance of Microelectromechanical Resonators by Lynes, David D., Chandrahalim, Hengky, Bevins, James E., Petrosky, James C.

“…This illustration portrays the effect of Co‐60 gamma ray radiation on piezoelectric microelectromechanical resonators. Compton scattering initially occurs,…”
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Spatially-variant isotope production burnup modeling in a CANDU-6 reactor for nuclear treaty monitoring by Burkhardt, Aaron W., Bickley, Abigail A., Bevins, James E.

“…•Burnup results produced complex actinide spatial distributions.•New methodology can be used for nuclear treaty monitoring.•Abundance of 237 isotopes in spent…”
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Manufacturing and characterization of a boron-loaded fast-cured plastic organic scintillator by Doležal, Tyler D., Manfredi, Juan J., Frandsen, Brian G., Bevins, James E., Gautam, Connor, Stephens, Theodore W., Ruland, Thomas, Febbraro, Michael T.

“…A novel fast-cured, boron-loaded, plastic organic scintillator was developed and characterized. A diisopropylnaphthalene-containing scintillator was…”
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Maximum likelihood reconstructions for rotating scatter mask imaging by Olesen, Robert J., Holland, Darren E., Brubaker, Erik M., Bevins, James E.

“…The rotating scatter mask system is capable of determining the direction of a single point gamma or neutron source. However, the point source approximation…”
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Manufacturing and characterization of a boron-loaded fast-cured plastic organic scintillator by Doležal, Tyler D., Manfredi, Juan J., Frandsen, Brian G., Bevins, James E., Gautam, Connor, Stephens, Theodore W., Ruland, Thomas, Febbraro, Michael T.

“…A novel fast-cured, boron-loaded, plastic organic scintillator was developed and characterized. A diisopropylnaphthalene-containing scintillator was…”
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