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
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!
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.
18th International Probabilistic Safety Assessment and Analysis (PSA 2023)
Technical Session|Modeling, Analysis, and Methods (Advanced Methods and Tools)
Thursday, July 20, 2023|10:00–11:45AM EDT|300A
Session Chair:
Mohamed Hibti (EDF)
Alternate Chair:
Sai Zhang (INL)
Session Organizer:
Askin Guler Yigitoglu
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The Readiness of Risk Analysis Methods and Tools for Advanced Reactors
10:00–10:25AM EDT
Eric Thornsbury (EPRI), Stephen Hess (Jensen Hughes), Jeffrey Julius (Jensen Hughes)
Paper
Impact Assessment of the Updated Corium Coolability Evaluation Approach and of the Ultimate Accident Mitigation Means Regarding Level 2 PSA Risk Metrics
10:25–10:50AM EDT
Shizhen Yu (Tractebel ENGIE), Cristina Hilario (Tractebel ENGIE)
Risk Aggregation, Scaling, and the Financial Loss Equivalent
10:50–11:15AM EDT
Mark Wishart (EPRI), David Vose (Archer Integrated Risk Management), Fernando Ferrante (EPRI)
Presented by Eric Thornsbury (EPRI)
Methodology and Demonstration for Performance Analysis of a Probabilistic Risk Assessment Quantification Engine: SCRAM
11:15–11:40AM EDT
Egemen M. Aras (NCSU), Asmaa S. Farag (NCSU), Arjun Earthperson (NCSU), Mihai A. Diaconeasa (NCSU)
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