Abstract

The proposed Rare Isotope Accelerator Facility (RIA) will provide beams of heavy ions with up to 400 kW power in order to produce radioactive beams of nuclei far from stability for research on fundamental questions in nuclear physics and astrophysics. The exact mix of heavy-ion driver beams that will be needed by RIA will depend on the actual experimental programs undertaken, but will surely encompass a wide range of isotopes. We will explore a possible facility operations model and identify the driver beams required. One aspect of that model will be to optimally “illuminate” the r-process path nuclei. Present published ECR ion source performance for the identified mix of beams and assumed charge states will be compared to the requirements of the RIA facility needed to achieve the beam power goals of the facility.

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