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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Keil, E. Trbojevic, D. Sessler, A.M. |
| Copyright Year | 2005 |
| Description | Author affiliation: CERN, CH1211 Geneva 23, Switzerland, Eberhard.Keil@t-online.de (Keil, E.) |
| Abstract | Cancer accelerator therapy continues to be ever more prevalent with new facilities being constructed at a rapid rate. Some of these facilities are synchrotrons, but many are cyclotrons and, of these, a number are FFAG cyclotrons. The therapy method of spot scanning requires many pulses per second (typically 200 Hz), which can be accomplished with a cyclotron (in contrast with a synchrotron). We briefly review commercial scaling FFAG machines and then discuss recent work on non-scaling FFAGs, which may offer the possibility of reduced physical aperture and a large dynamic aperture. However, a variation of tune with energy implies the crossing of resonances during the acceleration process. A design can be developed such as to avoid intrinsic resonances, although imperfection resonances must still be crossed. Parameters of two machines are presented; a 250 MeV proton therapy accelerator and a 400 MeV carbon therapy machine. |
| Starting Page | 1667 |
| Ending Page | 1669 |
| File Size | 184332 |
| Page Count | 3 |
| File Format | |
| ISBN | 0780388593 |
| DOI | 10.1109/PAC.2005.1590871 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 2005-05-16 |
| Publisher Place | USA |
| Access Restriction | Subscribed |
| Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Subject Keyword | Cancer Medical treatment Acceleration Apertures Protons Magnetic resonance Cyclotrons Kinetic energy Synchrotrons Magnets |
| Content Type | Text |
| Resource Type | Article |
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