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TU104 RIBF and Other Radioactive Isotope Beam Facilities ion, cyclotron, linac, target 352
 
  • N. Fukunishi
    RIKEN Nishina Center, Wako
 
 

Medium-energy high-intensity heavy-ion beams have been used for more than twenty years as powerful tools to investigate physics of unstable nuclei far from stability, in which one of the major problems is to understand the element genesis in universe. Many facilities including CERN, GANIL, GSI, MSU and RIKEN have developed their facilities to obtain much higher-intensity unstable-nuclei beams. Within these facilities, RIKEN first finished construction and commissioning of a major upgrade plan of the existing facility, RI Beam Factory, three years ago, in which the world-first superconducting ring cyclotron is pushing the limit of energy for heavy-ion cyclotrons. On the other hand, the FAIR and the FRIB project chose different strategies to obtain high-intensity heavy-ion beams, the former uses synchrotron and the latter uses superconducting linacs. The present competition with three different approaches is interesting because it will make clear that which kind of accelerator complex is most effective for medium-energy heavy-ion facilities. In this talk, we will present the achievements and future of RIBF under the comparison with other powerful competitors.

 

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