Optimization of the Multi-turn Injection Efficiency for Medical Synchrotron
SCIE
SCOPUS
KCI
- Title
- Optimization of the Multi-turn Injection Efficiency for Medical Synchrotron
- Authors
- Kim, J.; Yoon, M.; Yim, H.
- Date Issued
- 2016-09
- Publisher
- KPS
- Abstract
- We present a method for optimizing the multi-turn injection efficiency for a medical synchrotron. We show that for a given injection energy, the injection efficiency can be greatly enhanced by choosing transverse tunes appropriately and by optimizing the injection bump and the number of turns required for beam injection. We verify our study by applying the method to the Korea Heavy Ion Medical Accelerator (KHIMA) synchrotron which is currently being built at the campus of Dongnam Institute of Radiological and Medical Sciences (DIRAMS) in Busan, Korea. First the frequency map analysis was performed with the help of the ELEGANT and the ACCSIM codes. The tunes that yielded good injection efficiency were then selected. With these tunes, the injection bump and the number of turns required for injection were then optimized by tracking a number of particles for up to one thousand turns after injection, beyond which no further beam loss occurred. Results for the optimization of the injection efficiency for proton ions are presented.
- URI
- https://oasis.postech.ac.kr/handle/2014.oak/38140
- DOI
- 10.3938/JKPS.69.927
- ISSN
- 0374-4884
- Article Type
- Article
- Citation
- Journal of Korean Physical Society, vol. 69, no. 6, page. 927 - 932, 2016-09
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