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
2025 ANS Annual Conference
June 15–18, 2025
Chicago, IL|Chicago Marriott Downtown
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
Jun 2025
Jan 2025
Latest Journal Issues
Nuclear Science and Engineering
July 2025
Nuclear Technology
June 2025
Fusion Science and Technology
Latest News
Zaporizhzhia ‘extremely fragile’ relying on single off-site power line, IAEA warns
Europe’s largest nuclear power plant has just one remaining power line for essential nuclear safety and security functions, compared with its original 10 functional lines before the military conflict with Russia, warned Rafael Mariano Grossi, director general of the International Atomic Energy Agency.
Jun Woo Bae, Hee Reyoung Kim
Nuclear Technology | Volume 192 | Number 3 | December 2015 | Pages 215-221
Technical Paper | Radiation Measurements and General Instrumentation | doi.org/10.13182/NT14-131
Articles are hosted by Taylor and Francis Online.
A design and performance test of an antiscattering X-ray grid that is based on photosensitive glass was conducted using MCNP simulation. The simulation was designed in three parts: source, scatterer, and grid. The source was a cone type with a single energy of 50 keV, and the scatterer was designed as a box with elemental composition and density the same as those of a human body. Three types of grid were tested: ideal, injection, and electroplating. The ideal-type grid was generally known and contained only a shielding wall, the injection-type grid had the shielding material injected into the glass, and the electroplating-type grid had the shielding material electroplated on the glass lattice skeleton. The ideal-type grid showed a scattered and primary photon ratio (SPR) of 0.106, and the nongrid type showed an SPR of 0.159. The injection-type grid had an SPR of 0.126, which corresponded to 119.3% of that of the ideal type. The electroplating-type grid had an SPR of 0.0964, which corresponded to 93.7% of that of the ideal type. It was understood that the electroplating-type grid showed the most effective reduction of the scattered photons in terms of SPR.
