Proton Extraction and Transport for Pbar Production in Tevatron I
1985
The design, fabrication, and commissioning of the extraction and beam transport systems required for pbar production for the FNAL Antiproton Source will be described. The extraction system utilizes a fast kicker and Lambertson septum magnets to extract in a single turn one booster batch of 120 GeV protons from the FNAL Main Ring. The extracted beam is transported a distance of 174 m by a beam transport system consisting of 12 dipoles and 14 quadrupoles. The last 8 quadrupoles are configured as 4 pairs which focus the beam to a small round spot (radius 0.4 mm) on a pbar production target. The extraction channel is also designed to inject 8 GeV cooled pbars from the Accumulator Ring into the Main Ring, or extract 8 GeV protons from the Main Ring for diagnostic and tune-up work in the Antiproton Source beam lines and rings.
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