Resources

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MC&A ISSUES AT THE MOX FUEL FABRICATION FACILITY
Type:Annual Meeting Proceedings
Author(s):Edwin S. Lyman
Abstract:
In April 2011, the Nuclear Regulatory Commission (NRC) Atomic Safety and Licensing Board (ASLB) admitted three contentions for…
MCNPX Simulations of UF6 Neutron Spectroscopy Measurements using Liquid Scintillator Detectors for 235U Enrichment Determination
Type:Annual Meeting Proceedings
Author(s):S. D. Clarke, Enrico Padovani, S. A. Pozzi, M. Paff, S. Kiff
Abstract:
When safeguarding UF6 cylinders, the determination of the 235U enrichment and the 235U mass of the solidified UF6 is paramount. Current…
MCNPX-PoliMi for the Simulation of the Neutron and Gamma Ray Emissions from Nuclear Fission
Type:Annual Meeting Proceedings
Author(s):M. Flaska, A. Enqvist, Shaun D. Clarke, E. Padovani, Sara A. Pozzi, W. Walsh, E. Miller, B. Wieger, S. Naeem, N. Puppato, P. Peerani
Abstract:
In the past few years, efforts for the development of new measurement systems in the area of nuclear nonproliferation and homeland security…
MCNPX-PoliMi Post-processing Algorithm for Detector Response Simulations
Type:JNMM
Volume:40
Issue:2
Author(s):Eric C. Miller, Shaun D. Clarke, Marek Flaska, Shikha Prasad, Sara Pozzi, Enrico Padovani
Abstract:
In the field of nuclear material detection and characterization,Monte Carlo simulations provide valuable insight into complexradiation…
Measurement of the Multiplication of a Spent Fuel Assembly with the Differential Die-away Method Within the Scope of the Next Generation Safeguards Initiative Spent
Type:JNMM
Volume:40
Issue:3
Author(s):Vladimir Henzl, Martyn Swinhoe, Stephen Tobin, Howard Menlove
Abstract:
As part of the Next Generation Safeguards Initiative (NGSI)spent fuel project, researchers evaluated the ability of fourteendifferent non-…
Measurement technique of plutonium and minor actinides using nuclear resonance fluorescence with laser Compton scattering gamma-rays
Type:Annual Meeting Proceedings
Author(s):Toshiyuki Shizuma, Michio Seya, Tsuyoshi Hayakawa, Christopher T. Angel
Abstract:
We have proposed a new nondestructive assay method for 239 Pu in spent nuclear fuel including melted fuels of the Fukushima plants. In…
Measurements at Los Alamos National Laboratory Plutonium Facility in Support of Global Security Mission Space
Type:Annual Meeting Proceedings
Author(s):Tracy R. Wenz, S. Stange, Douglas R. Mayo, Gary Herrera, Anastasia D. McLaughlin
Abstract:
The Los Alamos National Laboratory Plutonium Facility at Technical Area (TA) 55 is one of a few nuclear facilities in the United States…
Measuring Boron Concentration in a Spent Fuel Pool Using Bare and Cadmium Covered Neutron Detectors
Type:Annual Meeting Proceedings
Author(s):Howard Menlove, Jeremy J. Gerhart, Cory Freeman, Anthony Belian
Abstract:
Boron concentration present in spent fuel pools often has a significant impact on the measurements of neutron based detection systems…
MECHANISMS TO STRENGTHEN THE DEPARTMENT OF ENERGY’S HUMAN RELIABILITY PROGRAM BY ADOPTING A CONTINUOUS ASSESSMENT PROGRAM (CAP)
Type:Annual Meeting Proceedings
Author(s):Joseph R. Stainback IV, Russ V. Reynolds
Abstract:
The Department of Energy’s Human Reliability Program (HRP) is a robust safety and security program designed to mitigate issues with the…
METHODS FOR ESTIMATING ENCAPSULATED LEAD SHIELD BODY DEFORMATION IN DYNAMIC IMPACTS
Type:Annual Meeting Proceedings
Author(s):Charles Mckeel, Daniel Leduc
Abstract:
Packaging for the storage and transport of radioactive material often includes lead encapsulated in steel and other structural metals. The…
Modeling and Simulation of Insider Adversary Scenarios
Type:Annual Meeting Proceedings
Author(s):Felicia A. Durán, Dean Dominguez, M. Jordan Parks
Abstract:
The use of simulation to support analysis of attack scenarios is a widely accepted means of security analysis within the U.S. Department of…
Monte Carlo Analysis of Gamma-Ray Spectroscopy and AWCC Nondestructive Assay of Uranium-Oxide Samples
Type:Annual Meeting Proceedings
Author(s):L.G. Chiang, L.G. Chiang, R.B. Oberer, R.B. Oberer, S.D. Clarke, S.A. Pozzi, S.A. Pozzi, M. Flaska, C.A. Gunn, C.A. Gunn, S.D. Clarke
Abstract:
Both gamma-ray spectroscopy and the active well coincidence counting (AWCC) are well- established techniques for the nondestructive assay…
Monte Carlo Modeling of Correlations in Pulsed Neutron Data
Type:Annual Meeting Proceedings
Author(s):Jonathan L. Thron, Jonathan L. Thron, Martyn T. Swinhoe, Martyn T. Swinhoe, William S. Charlton, William H. Geist, William H. Geist, Scott L. Stewart, Scott L. Stewart
Abstract:
Identifying special nuclear materials concealed within various objects or encased in shielding continues to be of interest in ensuring…
Morocco's SNESTEN as a Regional Center of Excellence for Safety adn Security
Type:Annual Meeting Proceedings
Author(s):Ahmed Boufraqech
Abstract:
Morocco’s National Center of Nuclear Energy Sciences and Technology (CNESTEN) plays an important role in developing Morocco’s human…
Moving from Civil HEU Minimization to Elimination: Defining a New International Agenda
Type:Annual Meeting Proceedings
Author(s):Corey Hinderstein, Andrew Newman
Abstract:
Highly enriched uranium (HEU) is a material of significant security concern because of its abundance, relative ease of use in a terrorist…
Multi-attribute Evaluation and Choice of Alternatives for Surplus Weapons-grade Plutonium Disposition Using Utility Function at Functional Dependence of Weighting Factors
Type:JNMM
Volume:40
Issue:2
Author(s):V. V. Kosterev V. V. Kosterev, Y. V. Semenova, V. V. Bolyatko
Abstract:
Among the major problems of nuclear power are the problems ofrecycling, safe long-term storage, and the management of nuclearmaterials. The…
Multiplicity Distributions and Energy-Angle Correlations in Spontaneous Fission Neutron Emissions
Type:Annual Meeting Proceedings
Author(s):Brian M. Wieger
Abstract:
Measurements were performed at the Los Alamos Neutron Science Center (LANSCE) in fall of 2010 in order to measure fission neutron spectrum…
National Criticality Experiments Research Center: Capabilities and Status
Type:Annual Meeting Proceedings
Author(s):David K. Hayes, William L. Myers
Abstract:
After seven years, the former Los Alamos Critical Experiments Facility (LACEF), or Pajarito Site, has reopened for business as the National…
Neutron Assay System for Confinement Vessel Disposition
Type:Annual Meeting Proceedings
Author(s):William J. Crooks III, Kate Frame, Jose Valdez, S. Stange, D.R. Mayo, David K. Miko, Georgiana M. Vigil, Mark Bourne, L.G. Evans, William R. Salazar
Abstract:
Los Alamos National Laboratory has a number of spherical connement vessels (CVs) remaining from tests involving nuclear materials. These…
Neutron Light Output Functions Measured for EJ309 Liquid Scintillation Detectors
Type:Annual Meeting Proceedings
Author(s):S. A. Pozzi, A. Enqvist, T. Massey, Christopher C. Lawrence
Abstract:
Ohio University has a tandem Van De Graaff generator with a long shielded ?ight path enabling very accurate measurements of neutrons of…