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Californium Rare Isotope Breeder Upgrade (CARIBU) provides beams of californium-252 fission fragments, neutron-rich isotopes far from stability, for experimenters.

The facility allows for fast, efficient and essential chemistry-free extraction of fission fragments. CARIBU uses a gas catcher and various isotope separation techniques to provide low-energy beams for mass measurements, beta decay or laser manipulation, or for injection into the ATLAS accelerator following charge breeding.

For more information on what beams, energies, and intensities are available, please contact the ATLAS User Liaison. Below is a table of CARIBU beams and their expected intensity in 2021.

A searchable table of CARIBU beams