CARIBU is a new facility that provides neutron-rich low-energy and reaccelerated beams to the ATLAS user's community. It is unique in that it relies on spontaneous fission from a ~(252)Cf source to produce the neutron-rich isotopes that are cooled and extracted as a low-energy beam of good optical quality using a large gas catcher and guiding radio-frequency structures. These beams are accelerated to 50 kV, purified by a compact high-resolution separator, and subsequently delivered to either a low-energy experimental area or reaccelerated to above the Coulomb barrier using the ATLAS superconducting linac.
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