Advanced target concepts for RIB generation
In this report, we describe highly permeable composite target matrices that simultaneously incorporate the short diffusion lengths, high permeabilities, and heat removal properties necessary to effect maximum diffusion release rates of short-lived, radioactive species as required for efficient radioactive ion beam (RIB) generation in nuclear physics and astrophysics research programs. The RIB species are generated by either fusion or fission nuclear reactions between high energy {sup 1}H, {sup 2}H, {sup 3}He or {sup 4}He ion beams and specific nuclei which make up the target material. The target materials may be used directly as small diameter particulates coated or uncoated with Re or Ir to minimize adsorption following diffusion release and eliminate sintering of the particulates at elevated temperatures; plated onto both sides of thin disks of C, for example; or plated, in thin layers, onto low density, Ir or Re coated carbon-bonded-carbon-fiber (CBCF) or reticulated-carbon-fiber (RCF) to form sponge-like composite target matrices; or in other cases, where applicable, the target material of interest can be grown in crystalline fibrous form and fabricated in woven mats of the target material to form a highly permeable fibrous structure.
- Research Organization:
- Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)
- Sponsoring Organization:
- USDOE, Washington, DC (United States)
- DOE Contract Number:
- AC05-96OR22464
- OSTI ID:
- 402370
- Report Number(s):
- CONF-961110-8; ON: DE97000615; TRN: 96:006475
- Resource Relation:
- Conference: 14. international conference on the application of accelerators in research and industry, Denton, TX (United States), 6-9 Nov 1996; Other Information: PBD: 1996
- Country of Publication:
- United States
- Language:
- English
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