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NEUTRON CORRELATIONS IN SPECIAL NUCLEAR MATERIALS, EXPERIMENTS AND SIMULATIONS1
Type:Annual Meeting Proceedings
Author(s):A. Dougan, Les Nakae, Jerome Verbeke, K.E. Sale, N. J. Snyderman
Abstract:
Fissile materials emit neutrons with an unmistakable signature that can reveal characteristics of the material. Fission chains in…
Neutron Monitoring of Vacuum System Cold Traps to Detect Undeclared HEU production at Gas Centrifuge Enrichment Plants
Type:Annual Meeting Proceedings
Author(s):Thomas Burr, Mark M. Pickrell, Brian Boyer, W. H. Geist, Eleanor T. Dixon, David H. Beddingfield
Abstract:
We describe a new radiation monitoring approach to detect undeclared uranium enrichment activities at Gas Centrifuge Enrichment Plants (…
Neutron-Use Optimization with Virtual Experiments to Facilitate Research-Reactor Conversion to Low-Enriched Fuel
Type:Annual Meeting Proceedings
Author(s):Alexander Glaser
Abstract:
For almost three decades, there have been signicant international eorts to convert research reactors from weapon-usable highly enriched…
NEW ALGORITHMS FOR THE ANALYSIS OF WASTE CHARACTERIZATION
Type:Annual Meeting Proceedings
Author(s):Xiaoqin J. Guo, Richard C. Hagenauer
Abstract:
Nondestructive assay of gamma-ray emitting nuclear waste requires modeling because it is not practical to prepare a standard that matches…
NEW CONSTRUCTION OF “KAIEI-MARU” FOR THE TRANSPORT OF NUCLEAR FUEL MATERIALS
Type:PATRAM Proceedings
Author(s):H. Takatsuki, A. Terada, Kensaku Aoki, Tadashi Sasao, Hiroaki Yokota, Hirofumi Doi, Yoshihiro Matsumoto, Hiroyuki Tsuji
Abstract:
The Nuclear Fuel Transport Co., Ltd. (NFT) has been safely transporting radioactive materials by 3 exclusive ships for LLW and SF transport…
New Contents for Old Casks
Type:Annual Meeting Proceedings
Author(s):Savannah River Packaging Technology
Abstract:
The Fast Flux Test Facility (FFTF) at Hanford requested Savannah River National Laboratory (SRNL) Savannah River Packaging Technology (SRPT…
NEW METALLIC GASKETS QUALIFICATION: RESISTANCE TO ACCIDENT CONDITIONS OF TRANSPORT IN TN INTERNATIONAL CASKS
Type:PATRAM Proceedings
Author(s):Régis MARLIER, Hervé ISSARD
Abstract:
For dual purpose “transport/storage” casks (like the TN24 casks family or casks for vitrified wastes), the confinement by way of metallic…
New Safeguards Regime for Canadian Bulk Handling Facilities and Spent Fuel Transfers
Type:Annual Meeting Proceedings
Author(s):J. Doo, B. Gonzalez-Del-Valle Fora, S. Johnson, H. Nackaerts
Abstract:
In September 2005 the IAEA concluded that all nuclear materials in Canada have been used for peaceful activities, thus opening the way to…
NEXT GENERATION ATTRIBUTE MEASUREMENT SYSTEM
Type:Annual Meeting Proceedings
Author(s):Morag Smith, Morag Smith, D.W MacArthur, D.W MacArthur, Pete Karpius, Pete Karpius, Duc T. Vo, Duc T. Vo, Jonathan L. Thron, Jonathan L. Thron, Kate Frame, Kate Frame, Norman Johansen, Norman Johansen, Jose Valdez, Richard Williams, Richard Williams, Dave Bracken, Lou Carrillo, Tim Elmont, Janice Gallegos
Abstract:
The Next Generation Attribute Measurement System (NG-AMS) is a device to determine a few specific characteristics of a plutonium item using…
NICKEL-BASED GADOLINIUM ALLOY FOR NEUTRON ADSORPTION APPLICATION IN RAM PACKAGES
Type:PATRAM Proceedings
Author(s):G.W. Wachs, J.W. Sterbentz, W.L. Hurt, Paul E. McConnell, C.V. Robino, F. Tovesson, T. S. Hill
Abstract:
Neutron transmission experiments were performed on samples of an advanced nickel-chromiummolybdenum-gadolinium (Ni-Cr-Mo-Gd) neutron…
NMMSS and International Safeguards in the United States
Type:Annual Meeting Proceedings
Author(s):Gary L. Hirsch
Abstract:
In 1980, the Agreement between the United States (US) and the International Atomic Agency (IAEA) established the requirement for the US to…
Non-Destructive Assay of Nuclide Composition in Spent Fuel Assemblies from a Research Reactor by Repeat Irradiation and Gamma-Spectrometric Measurement
Type:JNMM
Volume:35
Issue:2
Author(s):A.V. Bushuev, A. F. Kozhin, Lee Zhoun Doun Lee Zhoun Doun, V.N. Zubarev, A.A. Portnov, M. V. Shchurovskaya
Abstract:
This paper presents a method for the experimental determination of reactor. The method is based on a repeat short-term irradiation of…
NON-PROLIFERATION DIMENSIONS OF GNEP
Type:Annual Meeting Proceedings
Author(s):Dunbar Lockwood
Abstract:
The U.S.-proposed Global Nuclear Energy Partnership (GNEP) provides major opportunities to strengthen the international nonproliferation…
NONDESTRUCTIVE NEUTRON AND GAMMA-RAY TECHNOLOGIES APPLIED TO GNEP AND SAFEGUARDS
Type:Annual Meeting Proceedings
Author(s):Young S. Ham, Tzu-Fang Wang, A. Dougan, Les Nakae, Neal Snyderman, P.L. Kerr, Dan Dietrich, Wolfgang Stoeffl
Abstract:
In recent years, LLNL has developed methods for diagnosing significant quantities of special nuclear material (SNM). Homeland security…
Nonproliferation Infrastructure Capacity Building – Supporting Responsible Expansion of Nuclear Energy
Type:Annual Meeting Proceedings
Author(s):Brian W. Smith, Sarah Frazar, Carrie Mathews, Oksana Elkhamri, Kenneth Apt
Abstract:
The nuclear renaissance has begun, spurred by pressures to reduce greenhouse gas emissions, the rising costs of fossil fuels, and states’…
North Korea’s Oct. 9 Nuclear Test: Successful or Failed?
Type:Annual Meeting Proceedings
Author(s):Hui Zhang
Abstract:
On Oct.9, 2006, North Korea announced that it had successfully conducted an underground nuclear test. On Oct.16, the U.S. Director of…
Novel Problems Associated with Accounting and Control of Nuclear Material from Decontamination and Decommissioning and in Waste
Type:Annual Meeting Proceedings
Author(s):Steven Schlegel
Abstract:
The reduction in nuclear arms and the production facilities that supported the weapons programs have produced some unique problems for…
NRC SPENT FUEL TRANSPORTATION RISK ASSESSMENT METHODOLOGY
Type:PATRAM Proceedings
Author(s):Doug Ammerman, Carlos Lopez, John R. Cook
Abstract:
In the approximately 30 years since the Final Environmental Statement on the Transportation of Radioactive Material by Air and Other Modes…
Nuclear and Radiological Material Transport Security
Type:JNMM
Volume:35
Issue:3
Author(s):Richard R. Rawl
Abstract:
Transport of radioactive material is a highly regulated undertaking and the transport safety regulations have been in effect for decades…
Nuclear Energy and the Role of IAEA Safeguards: A Perspective from Brazil and Argentina
Type:JNMM
Volume:35
Issue:4
Author(s):Sonia Fernandez Moreno, Marco A. Marzo
Abstract:
We are witnessing the renaissance of nuclear energy as a suitableoption to sustain socio-economic growth for future generations in…