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.
Explore membership for yourself or for your organization.
Conference Spotlight
2025 ANS Winter Conference & Expo
November 9–12, 2025
Washington, DC|Washington Hilton
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
Oct 2025
Jul 2025
Latest Journal Issues
Nuclear Science and Engineering
November 2025
Nuclear Technology
October 2025
Fusion Science and Technology
Latest News
Russia withdraws from 25-year-old weapons-grade plutonium agreement
Russia’s lower house of Parliament, the State Duma, approved a measure to withdraw from a 25-year-old agreement with the United States to cut back on the leftover plutonium from Cold War–era nuclear weapons.
Technical Session|Monte Carlo Methods and Applications
Monday, April 28, 2025|1:00–2:40PM MDT|Lawrence B
Session Chair:
Dan Kotlyar (Georgia Tech)
Alternate Chair:
David Griesheimer (Naval Nuclear Laboratory)
To access paper attachments, you must be logged in and registered for the meeting.
Register NowLog In
A Hybrid Cross Section Generation Method Using Monte Carlo Codes for Nuclear Thermal Propulsion Nodal Diffusion Analysis
1:00–1:25PM MDT
Jacob Smith (Georgia Tech), Dan Kotlyar (Georgia Tech)
Paper
Clarification on the Various Methods of Calculating the P1 Transport Cross Section Using Monte Carlo Codes
1:25–1:50PM MDT
Vidor H. Lujan (Georgia Tech), Bailey Painter (Georgia Tech), Dan Kotlyar (Georgia Tech)
Multigroup Cross Section Generation with the Shift Monte Carlo Code
1:50–2:15PM MDT
Tara Pandya (ORNL), Friederike Bostelmann (ORNL), Donny Hartanto (ORNL), Steven Hamilton (ORNL), Matthew Jessee (ORNL), Nicholas Luciano (ORNL), Tarek Ghaddar (ORNL)
Implementation of the Iterated Fission Probability Method in OpenMC to Compute Adjoint-Weighted Kinetics Parameters
2:15–2:40PM MDT
Joffrey Dorville (ANL), Luke Labrie-Cleary (Copenhagen Atomics), Paul K. Romano (ANL)
To join the conversation, you must be logged in and registered for the meeting.