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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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2024 ANS Annual Conference
June 16–19, 2024
Las Vegas, NV|Mandalay Bay Resort and Casino
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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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Latest News
Proving DRACO will deliver
The United States is now closer than it has been in over five decades to launching the first nuclear thermal rocket into space, thanks to DRACO—the Demonstration Rocket for Agile Cislunar Orbit.
Fei Gao, Ram Devanathan, William J. Weber
Fusion Science and Technology | Volume 39 | Number 2 | March 2001 | Pages 574-578
Fusion Materials | doi.org/10.13182/FST01-A11963298
Articles are hosted by Taylor and Francis Online.
The primary damage by displacement cascades in 3C-SiC at 300 K has been studied by molecular dynamics (MD). A large number of cascades, with energies from 0.2 to 50 keV, have been simulated in order to investigate the effects of energy in defect production and clustering. The surviving defects are dominated by C interstitials and vacancies. The number of Frenkel pairs increases with increasing cascade energy, but the efficiency of their production declines with increasing energy in a similar fashion to that found in metals. Although the number of antisite defects is smaller than that of Frenkel pairs, their production also increases with increasing cascade energy. Most surviving defects are single interstitials and vacancies, and the tendency of interstitials to form clusters is very week. The size of the interstitial clusters is very small, which shows significantly different behavior than obtained by MD simulations in metals. The current results provide the statistics of the primary damage states in SiC as a function of primary knock-on energy, which are important in upscaling these results to model behavior over longer time and length scales.