The field of high energy physics is guided by intertwined science drivers to explore the elementary constituents of matter and energy, the interactions between them, and the nature of space and time. The Office of High Energy Physics (HEP) executes its mission through a program that advances three frontiers of experimental scientific discovery and related efforts in theory and computing. HEP develops new accelerator, detector and computational tools to enable the science, and through Accelerator Stewardship works to make accelerator technology widely available to science and industry.

Energy Frontier
Theoretical Physics
Intensity Frontier
Advanced Technology
Cosmic Frontier
Accelerator Stewardship

Recent News

U.S. joins the world in a new era of research at the Large Hadron Collider External link 

New LHC data gives researchers from around the world their best chance yet to study the Higgs boson and search for dark matter and new particles. Read MoreExternal link


Used MRI magnets get a second chance at life in high-energy physics experimentsExternal link

Argonne high-energy physicist Peter Winter is reusing old MRI magnets, like the one seen above, to benchmark instrumentation for new high-energy physics experiments.  Read MoreExternal link


U.S.-CERN Agreement Paves Way for New Era of Scientific Discovery

Department of Energy and National Science Foundation sign agreement for U.S. participation in particle physics research. Read More » 


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Last modified: 7/22/2015 12:11:49 PM