High power targets for production of intense radioactive ion beams
- Amparo Corporation, Santa Fe, New Mexico 87504 (United States)
- John W. Lenz and Associates, Waxahachie, Texas 75165 (United States)
Issues are discussed in producing intense Radioactive Ion Beams (RIB) using the Isotope Separator On-Line (ISOL) approach, based on the use of thick targets employed at existing facilities. Some new physics studies may possibly be addressed by improving the performance of these existing targets through improvements in release and effusion properties to optimize the RIB yields. It is, however, acknowledged that many desired physics objectives using RIB can be met only by employing production beams of energetic light ions or protons with currents up to 100 {mu}A. Development of targets that use such intense production beams needs to address the requirement to control operational temperatures derived from internal production beam interactions with the target materials. In addition, issues arise for target materials in terms of their thermal characteristics, such as thermal conductivity and thermo-mechanical properties. A target concept is described for an in-beam test of a prototype target for actual thermal behavior under RIB production conditions. For such a test, a high-power test facility is needed; fortunately, the prototypical production beam currents required exist at the TRIUMF accelerator facility. An experimental proposal has been approved for such a test.
- OSTI ID:
- 21205488
- Journal Information:
- AIP Conference Proceedings, Vol. 473, Issue 1; Conference: 8. international conference on heavy-ion accelerator technology, Argonne, IL (United States), 5-9 Oct 1998; Other Information: DOI: 10.1063/1.58967; (c) 1999 American Institute of Physics; Country of input: International Atomic Energy Agency (IAEA); ISSN 0094-243X
- Country of Publication:
- United States
- Language:
- English
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