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Scott, R.H.

Paper Title Page
TUP118 Extraction From ECR and Recombination of Multiple-Charge State Heavy-Ion Beams in LEBT 679
  • P.N. Ostroumov, A. Barcikowski, S.A. Kondrashev, B. Mustapha, R.H. Scott, S.I. Sharamentov
    ANL, Argonne
  • N. Vinogradov
    Northern Illinois University, DeKalb, Illinois

Funding: This work was supported by the U.S. Department of Energy, Office of Nuclear Physics, under Contract No. DE-AC-02-06CH11357.
A prototype injector capable to produce multiple-charge-state heavy-ion beams is being developed at ANL. The injector consists of an ECR ion source, a 100 kV platform and a Low Energy Beam Transport (LEBT). The latter comprises two 60-degree bending magnets, electrostatic triplets and beam diagnostics stations. Several charge states of bismuth ions from the ECR have been extracted, accelerated to an energy of 1.8 MeV, separated and then recombined into a high quality beam ready for further acceleration. This technique allows us to double heavy-ion beam intensity in high-power driver linac for future radioactive beam facility. The other application is the post-accelerators of radioactive ions based on charge breeders. The intensity of rare isotope beams can be doubled or even tripled by the extraction and acceleration of multiple charge state beams. We will report the results of emittance measurements of multiple-charge state beams after recombination.