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Radiation Protection & Shielding
The Radiation Protection and Shielding Division is developing and promoting radiation protection and shielding aspects of nuclear science and technology — including interaction of nuclear radiation with materials and biological systems, instruments and techniques for the measurement of nuclear radiation fields, and radiation shield design and evaluation.
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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
Norway’s Halden reactor takes first step toward decommissioning
The government of Norway has granted the transfer of the Halden research reactor from the Institute for Energy Technology (IFE) to the state agency Norwegian Nuclear Decommissioning (NND). The 25-MWt Halden boiling water reactor operated from 1958 to 2018 and was used in the research of nuclear fuel, reactor internals, plant procedures and monitoring, and human factors.
E. D. Gospodchikov, A. G. Shalashov, E. V. Suvorov
Fusion Science and Technology | Volume 53 | Number 1 | January 2008 | Pages 261-278
Technical Note | Special Issue on Electron Cyclotron Wave Physics, Technology, and Applications - Part 2 | doi.org/10.13182/FST08-A1671
Articles are hosted by Taylor and Francis Online.
Ordinary and extraordinary wave couplings in the vicinity of the cutoff surfaces in magnetized plasmas are analyzed in a two-dimensionally inhomogeneous tokamak-like geometry. It is demonstrated that the mode conversion may be of an essentially two-dimensional nature when the cutoff surfaces intersect in space along a certain line. For the latter case the reduced wave equations in the transformation region are derived and solved analytically. Structures of the transformed and reflected waves and corresponding transformation coefficients are obtained for an arbitrary field distribution in the incident beam. In particular, the intensity transformation coefficients of Gaussian beams are analyzed in more detail.