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Capista, D.

Paper Title Page
TPAP022 Mixed pbar Source Operation at the Fermilab Tevatron 1763
 
  • C.M. Bhat, D. Capista, B. Chase, J.E. Dey, I. Kourbanis, K. Seiya, V. Wu
    Fermilab, Batavia, Illinois
 
  Funding: Work supported by the Universities Research Association, Inc., under contract DE-AC02-76CH03000 with the U.S. Department of Energy.

Recently, we have adopted a scheme called "Mixed pbar Source Operation" to transfer 2.5 MHz pbar bunches from the Recycler and the Accumulator to the Fermilab Main Injector (MI). In this scheme, 2.5MHz pbar bunches are captured adiabatically in 53 MHz buckets at 8 GeV in the MI and accelerated to 150 GeV before bunch coalescing and transfer to the Tevatron collider stores. A special magnet ramp was needed in the MI to allow for pbar beam of slightly different 8 GeV energies from the Recycler and the Accumulator. Here we present the details of the scheme and its advantage over the method used for past several years.