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We describe the production of francium beams from the fusion–evaporation reaction Au197(O18,kn)215-kFr generated by a ∼100MeV O6+18 beam on a thick gold target. The physics of the production process is discussed, together with estimates of expected production rates. The production target is heated to ∼1200K and kept at a potential of +3kV to enhance Fr diffusion and surface desorption, and to accelerate...
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