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
Reactor Physics
The division's objectives are to promote the advancement of knowledge and understanding of the fundamental physical phenomena characterizing nuclear reactors and other nuclear systems. The division encourages research and disseminates information through meetings and publications. Areas of technical interest include nuclear data, particle interactions and transport, reactor and nuclear systems analysis, methods, design, validation and operating experience and standards. The Wigner Award heads the awards program.
Meeting Spotlight
Nuclear Energy Conference & Expo (NECX)
September 8–11, 2025
Atlanta, GA|Atlanta Marriott Marquis
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
August 2025
Nuclear Technology
Fusion Science and Technology
July 2025
Latest News
Savannah River Site empties more waste tanks
The Department of Energy announced that waste from two more tanks at its Savannah River Site has been removed ahead of schedule. The tanks—numbers 11 and 15—are the fourth and fifth waste containers in 12 months to meet the milestone of preliminary cease waste removal (PCWR) regulatory approval, 7 and 19 months ahead of schedule, respectively, according to the DOE.
Technical Session|Nonproliferation, Security, and Safeguards
Saturday, April 5, 2025|1:40–3:00PM MDT|Gran Quivera 1
Session Chair:
Yuliia Trujillo
Alternate Chair:
Matthew J. Lazaric
Session Organizer:
Ashley Machado
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Spectral Feature Selection Approaches for Weapons Grade Plutonium Classification with GADRAS-DRF
1:40–2:00PM MDT
Tanner Heatherly (Oregon State), Camille Palmer (Oregon State)
Paper
Improvements in Line Broadening for Simulating Microcalorimetric Gamma Spectroscopy
2:00–2:20PM MDT
James T. Cahill (Virginia Commonwealth Univ.), Patience Obasi (Virginia Commonwealth Univ.), Braden Goddard (Virginia Commonwealth Univ.)
Feynman-Y Measurements of Cm-244 and Cf-252 Sources with Organic Scintillators
2:20–2:40PM MDT
Oscar P. Stennes (Univ. Michigan), Flynn B. Darby (Univ. Michigan), Juliann R. Lamproe (Univ. Michigan), Shaun D. Clarke (Univ. Michigan), Sara A. Pozzi (Univ. Michigan)
Modeling of Scintillation and Semiconductor Detectors for Nonproliferation Applications
2:40–3:00PM MDT
Tyrell B. Simmons (Virginia Commonwealth Univ.), Aristidis Loumis (Virginia Commonwealth Univ.), Braden Goddard (Virginia Commonwealth Univ.)
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