Note: The RSVP Project was terminated in the design phase by the National Science Foundation in August of 2005 (Details). This website is an historic archive of the proposed experiment.

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The Rare Symmetry Violating Processes (RSVP) experiments will use the Alternating Gradient Synchrotron (AGS) at Brookhaven National Laboratory to produce two powerful particle beams that will be used by two experiments called MECO and KOPIO to probe for a fundamental lack of symmetry in the universe.

Brookhaven's Alternating Gradient Synchrotron

The National Science Foundation (NSF) Panel to Review Scientific Motivation for Prospective MRE Projects says “the results of KOPIO would have important implications for our understanding of early universe cosmology, especially for the matter antimatter asymmetry of the universe.” Read about KOPIO physics goals.

Regarding MECO, the NSF Panel says “MECO is in a strong position to make a significant impact on particle physics. A positive result would have a profound effect on our understanding of the fundamental constituents of matter and of the forces that govern their behavior.” Read about MECO physics goals.

The sister experiments that make up RSVP share a number of key features that make highly efficient use of the nation’s billion-dollar investment in the Alternating Gradient Synchrotron and Brookhaven National Laboratory. The Department of Energy, Office of Science, Division of Nuclear Physics supports the operation of the accelerator complex.

The current primary mission of the AGS is to supply accelerated heavy nuclei to the Relativistic Heavy Ion Collider (RHIC), a top priority of the U.S. nuclear physics community. Yet with modern control systems the AGS can fill the RHIC storage ring twice per day, and still accelerate protons for RSVP experiments for the remaining 20 hours per day. At modest incremental cost, roughly a 10% additional capital investment, the AGS can thus perform triple duty, pushing back the frontiers of physics on multiple fronts and consolidating a remarkable portfolio of scientific and educational opportunities in a single facility.

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Last updated January 24, 2006 by Gary Schroeder.