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AI Is Revolutionizing Nuclear Physics at Argonne's ATLAS Facility

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Delving into the mysteries of atomic structure, scientists at Argonne National Laboratory’s ATLAS facility are leveraging artificial intelligence (AI) to expand the boundaries of nuclear physics. These advancements aren’t just about efficiency - they are reshaping how researchers probe the very origins of matter.

ATLAS: Accelerating Insights into Atomic Nuclei

The Argonne Tandem Linac Accelerator System (ATLAS) accelerates beams of all naturally occurring elements, stable and radioactive, up to 20% the speed of light. 

By colliding these beams with various targets, scientists study the forces that bind protons and neutrons inside atomic nuclei. 

Historically, adjusting the over 100 beam-controlling components required painstaking manual work, often stretching over several days and diverting precious experimental time.

AI and Machine Learning: The Next Leap in Precision

Recent breakthroughs at ATLAS focus on integrating AI and machine learning to automate and optimize beam operations. Projects like “nuCARIBU-matic” lead the way by automating the production and transport of radioactive beams. 

With machine learning, specifically Bayesian optimization, researchers can now fine-tune dozens of parameters at once, a task previously impossible for humans. 

In practice, these AI-powered systems achieve expert-level results with minimal human oversight, slashing the time and expertise needed for complex adjustments.

  • Bayesian optimization enables swift, multidimensional tuning across the beamline.
  • AI systems reliably adjust more than 60 elements simultaneously, matching human expertise.
  • Automation alleviates workforce constraints and allows researchers to focus on deeper challenges.

Digital Twins: Simulating Success Before Real-World Tests

ATLAS is also at the forefront of developing “digital twins”, virtual models of the accelerator that mimic real-time operations. 

These digital counterparts allow scientists to safely simulate experiments and trial new tuning strategies before implementing them on the actual hardware. 

While building these sophisticated models is complex, digital twins promise to reduce downtime, enhance operational safety, and improve data quality.

  • Digital twins provide a safe environment to test and optimize new settings.
  • Reinforcement learning algorithms continually improve beam tuning through repeated simulations.

Real-Time Feedback Optimizes Rare Isotope Research

Further innovation comes from the Argonne In-Flight Radioactive Ion Separator (RAISOR), which produces and separates fleeting radioactive beams. 

Here, researcher Khushi Bhatt has pioneered diagnostic stations that deliver immediate feedback, enabling machine learning models to optimize beam purity and transmission in real time. 

This process is akin to refining a complex recipe, every tweak is measured, logged, and used to achieve peak results. Tasks that once consumed days may soon be finished in hours, maximizing time for groundbreaking experiments.

  • Diagnostic stations supply vital data to machine learning, enhancing beam purity and alignment.
  • Automated feedback loops ensure repeatable, high-quality results by adjusting parameters on the fly.

Toward Fully Autonomous Nuclear Research

The adoption of AI at ATLAS marks a shift toward the future vision of fully autonomous accelerator operation. While still aspirational, current progress is laying the groundwork for a new era where machine intelligence and human insight work in tandem. This evolving partnership promises to accelerate discovery and expand the horizons of nuclear research.

Conclusion

ATLAS’s embrace of AI and machine learning is revolutionizing nuclear physics. These tools not only increase speed and reliability, they empower scientists to ask more ambitious questions and obtain answers faster than ever before. As AI-driven autonomy advances, the pursuit of understanding the universe’s fundamental mysteries enters an exciting new phase.

Source: Argonne National Laboratory: The Next Frontier in Nuclear Physics


AI Is Revolutionizing Nuclear Physics at Argonne's ATLAS Facility
Joshua Berkowitz May 31, 2025
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