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Joint CASA - SRF Institute Seminar


Monday, September 20, 2004, 1:30 PM
ARC, Room 231/233

1.5 GeV FFAG Proton Accelerator as a New Injector to the BNL-AGS



Alessandro (Sandro) G. Ruggiero
Brookhaven National Laboratory

A 1.5-GeV Fixed-Field Alternating-Gradient (FFAG) proton Accelerator is being studied as a new injector to the Alternating-Gradient Synchrotron (AGS) of Brookhaven National Laboratory (BNL). The major benefit is that it would considerably shorten the overall AGS acceleration cycle, and, consequently, may yield to an improvement of beam stability, intensity and size. The AGS-FFAG will also facilitate the proposed upgrade of the AGS facility toward a 1-MW average proton beam power at the top energy of 28 GeV. The talk describes the FFAG design for acceleration of protons from 400 MeV to 1.5 GeV, with the same circumference of the AGS, and entirely housed in the AGS tunnel. The design includes new concepts involving "adjusted field profile" for chromaticity cancellation and compactness of the ring magnets. By extrapolation it is also possible to conceive a high-intensity proton driver capable to deliver several MWatt of average proton beam power.


Talk Slides: (slides)






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