Author: Delonca, M.
Paper Title Page
THPAL117 Development of a Proton-to-Neutron Converter for Radioisotope Production at ISAC-TRIUMF 3917
SUSPL088   use link to see paper's listing under its alternate paper code  
  • L. Egoriti, P.G. Bricault, T. Day Goodacre, A. Gottberg
    TRIUMF, Vancouver, Canada
  • M. Delonca, R.M. Dos Santos Augusto, J.P. Ramos, S. Rothe, T. Stora
    CERN, Geneva, Switzerland
  • M. Dierckx, D. Houngbo, L. Popescu
    SCK•CEN, Mol, Belgium
  • R.M. Dos Santos Augusto
    LMU, München, Germany
  At ISAC-TRIUMF, a 500 MeV proton beam is impinged upon thick targets to induce nuclear reactions to pro-duce reaction products that are delivered as a Radioactive Ion Beam (RIB) to experiments. Uranium carbide is among the most commonly used target materials which produces a vast radionuclide inventory coming from both spallation and fission- events. This can also represent a major limitation for the successful delivery of certain RIBs to experiments since, for a given mass, many isobar-ic isotopes are to be filtered by the dipole mass separator. These contaminants can exceed the yield of the isotope of interest by orders of magnitude, often causing a significant reduction in the sensitivity of experiments or even making them impossible. The design of a 50 kW proton-to-neutron (p2n) converter-target is ongoing to enhance the production of neutron-rich nuclei while significantly reducing the rate of neutron-deficient contaminants. The converter is made out of a bulk tungsten block which converts proton beams into neutrons through spallation. The neutrons, in turn, induce pure fission in an upstream UCx target. The present target design and the service infrastructure needed for its operation will be discussed in this paper.  
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