Status report of the development of a multi-mA self-extracted H/sup +/-beam cyclotron
(2001) Application of Accelerators in Research and Industry. Sixteenth International Conference — Location: Denton, TX, USA (1.November.2000)
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- Abstract
- In 1992, IBA developed a high intensity cyclotron for the production of Pd-103. Up to now 16 internal-target machines have been installed and are delivering 1 mA on average. Unfortunately such configuration suffers from two major drawbacks: (i) little flexibility on the shape and size of the beam on target limiting the total power that target can tolerate, (ii) activation of cyclotron components due to neutron production and primary-beam scattering. In 1995 IBA proposed a new method for the extraction of multi-mA positive ions without the need of a deflector or a similar device. The extraction is obtained by a sudden and substantial reduction of the Lorentz force at the radial pole edge allowing the beam to escape from the machine (self-extraction principle). It was decided in 1998 to construct a prototype to test that extraction technology. This paper presents the status of the development. The focus is put on the RF system, ion source, magnetic configuration and final layout.
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Citations
Lucas, S., Kleeven, W., Abs, M., Poncelet, E., & Jongen, Y. (2001). Status report of the development of a multi-mA self-extracted H/sup +/-beam cyclotron. AIP Conference Proceedings, p. 696-699.