ANS is committed to advancing, fostering, and promoting the development and application of nuclear sciences and technologies to benefit society.
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Division Spotlight
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.
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!
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Nuclear Science and Engineering
March 2025
Nuclear Technology
Fusion Science and Technology
February 2025
Latest News
WEST claims latest plasma confinement record
The French magnetic confinement fusion tokamak known as WEST maintained a plasma in February for more than 22 minutes—1,337 seconds, to be precise—and “smashed” the previous record plasma duration for a tokamak with a 25 percent improvement, according to the CEA, which operates the machine. The previous 1,006-second record was set by China’s EAST just a few weeks prior. Records are made to be broken, but this rapid progress illustrates a collective, global increase in plasma confinement expertise, aided by tungsten in key components.
R. D. Werner, D. C. Santry
Nuclear Science and Engineering | Volume 56 | Number 1 | January 1975 | Pages 98-100
Technical Note | doi.org/10.13182/NSE75-A26626
Articles are hosted by Taylor and Francis Online.
Deviations from normal mechanical properties observed in stainless steel irradiated by neutrons have been attributed to the production of helium in neutron reactions with nickel. A measurement of the thermal-neutron cross section for the 59Ni(n,α)56Fe reaction has been made in which the alpha-particle emission was determined by a silicon surface-barrier particle spectrometer. The 2200 m/sec cross section obtained is 18.0±1.6 b. This value disagrees with 13.7 ± 0.6 b reported earlier by Eiland and Kirouac.
