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Nuclear Nonproliferation Policy
The mission of the Nuclear Nonproliferation Policy Division (NNPD) is to promote the peaceful use of nuclear technology while simultaneously preventing the diversion and misuse of nuclear material and technology through appropriate safeguards and security, and promotion of nuclear nonproliferation policies. To achieve this mission, the objectives of the NNPD are to: Promote policy that discourages the proliferation of nuclear technology and material to inappropriate entities. Provide information to ANS members, the technical community at large, opinion leaders, and decision makers to improve their understanding of nuclear nonproliferation issues. Become a recognized technical resource on nuclear nonproliferation, safeguards, and security issues. Serve as the integration and coordination body for nuclear nonproliferation activities for the ANS. Work cooperatively with other ANS divisions to achieve these objective nonproliferation policies.
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ANS Student Conference 2025
April 3–5, 2025
Albuquerque, NM|The University of New Mexico
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The Standards Committee is responsible for the development and maintenance of voluntary consensus standards that address the design, analysis, and operation of components, systems, and facilities related to the application of nuclear science and technology. Find out What’s New, check out the Standards Store, or Get Involved today!
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Fusion Science and Technology
Latest News
U.S. uranium production up as companies press “go” on dormant operations
U.S. uranium production increased throughout 2024, with more growth planned in 2025. The producers who can make that happen, however, were burned before by a “renaissance” that didn’t take off. Now they are watching and waiting for signals from Washington, D.C., including the impacts of tariffs, shifting relationships with global uranium producers, and funding for the enrichment task orders designed to boost demand for U.S. uranium.
Shawn Zamperini, T. Abrams, J. H. Nichols, J. D. Elder, J. D. Duran, P. C. Stangeby, D. C. Donovan, D. L. Rudakov, A. Wingen, C. Crowe
Fusion Science and Technology | Volume 79 | Number 1 | January 2023 | Pages 36-45
Technical Paper | doi.org/10.1080/15361055.2022.2082791
Articles are hosted by Taylor and Francis Online.
A novel multicode workflow to interpret collector probe deposition patterns in DIII-D has been developed. The components of the workflow consist of a detailed computer-aided-design file of the vessel wall and the scrape-off-layer (SOL) codes MAFOT, OSM, DIVIMP, and 3DLIM. A special-purpose toolkit enables passing the output of these codes among each other to provide a full-SOL picture of impurity transport. A demonstration of the workflow is described to support evidence of near-SOL tungsten parallel accumulation during trace W impurity experiments on DIII-D. Iteration between simulated deposition patterns in 3DLIM and DIVIMP predicts a region of elevated W density near the separatrix about halfway between the outboard midplane and the top of the plasma. This workflow will be used to better interpret collector probe experiments on DIII-D.
