Author: Savard, G.
Paper Title Page
Commissioning and Operation of the Californium Rare Ion Breeder Upgrade at the ATLAS facility  
  • G. Savard
    ANL, Argonne, USA
  Recently commissioned Californium Rare Ion Breeder Upgrade (CARIBU) of the Argonne National Laboratory ATLAS facility provides low-energy and reaccelerated neutron-rich radioactive beams to address key nuclear physics and astrophysics questions. In its present configuration, a 70 mCi 252Cf source produces fission fragments which are thermalized and collected by a helium gas catcher into a low-energy particle beam with a charge of 1+ or 2+. An electron cyclotron resonance (ECR) ion source functions as a charge breeder in order to raise the ion charge sufficiently for acceleration in the ATLAS linac. The final CARIBU configuration will utilize a 1 Ci 252Cf source to produce radioactive beams with intensities up to 106 ions/sec for use in the ATLAS facility. The ECR charge breeder has achieved record high charge breeding efficiencies of radioactive beams.