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User Facilities

Experimenters work at one of five user facilities. The largest of these facilities is the Relativistic Heavy Ion Collider (RHIC), others include the Alternating Gradient Synchrotron facility (AGS), the Tandem Van de Graaff, the Accelerator Test Facility (ATF), and the NASA Space Radiation Laboratory (NSRL).


Accelerator Test Facility (ATF) - Brookhaven's newest user facility, the ATF is a User Facility dedicated for long-term R&D in Physics of Beams. The ATF is proposal-driven with reviews performed by a Program Committee.


Alternating Gradient Synchrotron (AGS) - Since 1960, the AGS has been one of the world's premiere particle accelerators, well known for the three Nobel Prizes won as a result of research performed there.


NASA Space Radiation Laboratory (NSRL) - NASA is working with Brookhaven National Laboratory and others here on Earth to learn about the possible risks to human beings exposed to space radiation. The lab study's the radiobiological effects using beams that simulate the cosmic rays found in space.


Relativistic Heavy Ion Collider (RHIC) - An accelerator designed to collide intersecting beams of heavy ions in the search for a state of matter called quark-gluon plasma.


Tandem Van de Graaff - The Tandem Van de Graaff accelerators are used to bombard materials with ions for manufacturing and testing purposes. They also supply RHIC with heavy ions.


ATLAS - ATLAS is one of four detectors to be located at a powerful new accelerator, the Large Hadron Collider (LHC), now under construction near Geneva, Switzerland.

Departments & Directorates


High Energy Physics (HEP) - HEP in the Physics Dept. comprises the ATF, Cosmology & Astrophysics, Electronic Detector Group, Omega Group, High Energy Theory & Nuclear Theory Groups, Quark Gluon Spectroscopy, and Physics Applications Software.


Nuclear & Particle Physics (NPP) - Comprises the Collider-Accelerator Department (including the NASA Space Radiation Laboratory (NSRL), the Physics Department, the Instrumentation Division, and the Superconducting Magnet Division.

The Future


eRHIC - A proposed high luminosity polarized e-p/d and unpolarized e-A collider to study the hyperfine structure of the nucleon including (spin and flavor) and to explore nuclear matter at high parton densities.