ANS is committed to advancing, fostering, and promoting the development and application of nuclear sciences and technologies to benefit society.
Explore the many uses for nuclear science and its impact on energy, the environment, healthcare, food, and more.
Division Spotlight
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.
Meeting Spotlight
ANS Student Conference 2025
April 3–5, 2025
Albuquerque, NM|The University of New Mexico
Standards Program
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!
Latest Magazine Issues
Apr 2025
Jan 2025
Latest Journal Issues
Nuclear Science and Engineering
May 2025
Nuclear Technology
April 2025
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.
G. I. Dimov, A. V. Ivanov
Fusion Science and Technology | Volume 63 | Number 1 | May 2013 | Pages 111-114
doi.org/10.13182/FST13-A16883
Articles are hosted by Taylor and Francis Online.
For neutralization of the H- beams with an energy of 1 MeV, it is reasonable to use plasma targets with the yield of atoms much higher than that in gas targets. The target plasma is proposed to be confined in a magnetic trap with weak longitudinal magnetic field, the inverse plugs and circular multipole walls. Because of conservation of canonical angular momentum in the axially-symmetric system, the longitudinal confinement of particles by inverse plugs is rather hard. Transversal confinement of plasma is rather good. The target plasma is proposed to be generated by the 100-200 eV electrons.A possibility to develop the experimental plasma target with a 10 cm aperture is considered for neutralization of the H- ion beam with a current up to 2 A. A magnetic field is planned to be formed by circular NdFeB magnets and iron screens. Results are given of the computer simulations for the magnetic system and its optimization for the plasma confinement and especially for restriction of its escape through the end wall holes. Numerically calculated trajectories of the ensemble of plasma electrons with various initial coordinates and trajectories of beam ions are given.
