High Energy Physics and Accelerator Technology

The High Energy Physics and Accelerator Technology Group applies LLNL expertise in Accelerator Design, Detector R&D, and Large Scale Computing to answer fundamental questions in High Energy Particle and Relativistic Heavy Ion Physics while addressing issues of National Importance.

Nuclear Theory & Modeling

The Nuclear Theory and Modeling Group performs research in basic nuclear physics and nuclear astrophysics for the purposes of providing a fundamental understanding of the universe and answering nuclear physics questions critical to Science-based Stockpile Stewardship.

Computational Nuclear Physics

Our mission is to provide high-quality nuclear reaction data and transport algorithms needed by national security and energy programs. Current research in the nuclear data arena focuses on cross sections for neutron-induced reactions. Transport algorithm R&D efforts are on improvements to radiation transport.
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Studying Effects of Cosmic Ray Showers

Nuclear, Particle, & Accelerator Physics studies cosmic ray showers as a global security activity.