Beam Dynamics Simulation and Research of SSC-LINAC Heavy Ion RFQ

ZHANG Xiaohu; YUAN Youjin; XIA Jiawen; LIU Ge; YIN Xuejun; DU Heng; LI Zhongshan; LU Yuanrong; HE Yuan

doi:10.11804/NuclPhysRev.32.01.050

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Article Navigation > Nuclear Physics Review > 2015 > 32(1): 50-53

ZHANG Xiaohu, YUAN Youjin, XIA Jiawen, LIU Ge, YIN Xuejun, DU Heng, LI Zhongshan, LU Yuanrong, HE Yuan. Beam Dynamics Simulation and Research of SSC-LINAC Heavy Ion RFQ[J]. Nuclear Physics Review, 2015, 32(1): 50-53. doi: 10.11804/NuclPhysRev.32.01.050

Citation:

ZHANG Xiaohu, YUAN Youjin, XIA Jiawen, LIU Ge, YIN Xuejun, DU Heng, LI Zhongshan, LU Yuanrong, HE Yuan. Beam Dynamics Simulation and Research of SSC-LINAC Heavy Ion RFQ[J]. Nuclear Physics Review, 2015, 32(1): 50-53. doi: 10.11804/NuclPhysRev.32.01.050

Beam Dynamics Simulation and Research of SSC-LINAC Heavy Ion RFQ

doi: 10.11804/NuclPhysRev.32.01.050

Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou 730000, China;
University of Chinese Academy of Sciences, Beijing 100049, China;

Received Date: 1900-01-01
Rev Recd Date: 1900-01-01
Publish Date: 2015-03-20

Abstract

The RFQ beam dynamics of a heavy ion linac was investigated in this paper and the BEAMPATH code was employed in this study. The main research was focused on the beam performances depending on longitudinal acceptance, RF properties, beam instability and space charge effect. The RFQ has large longitudinal acceptance in design, which brings the beam performances well. In the RF parameter study, the beam can keep good transmission in the acceleration even the vane voltage is larger than the theoretical value. It is also shown that the RFQ has a large robustness for the mismatch of the input beam by the analysis of the beam instability.Furthermore, the beam evolution is independent on the space charge effect when the beam current is less than 0.5 emA. The preliminary analysis of the beam dynamics shows that the 53.667 MHz heavy ion RFQ has a promising performance, which meets the requirements of SSC-LINAC.
- BEAMPATH,
- acceptance,
- RF performance,
- input beam instability,
- space charge effect
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通讯作者: 陈斌, bchen63@163.com

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沈阳化工大学材料科学与工程学院沈阳 110142

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Beam Dynamics Simulation and Research of SSC-LINAC Heavy Ion RFQ

doi: 10.11804/NuclPhysRev.32.01.050

Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou 730000, China;

University of Chinese Academy of Sciences, Beijing 100049, China;

Received Date: 1900-01-01
Rev Recd Date: 1900-01-01
Publish Date: 2015-03-20

Key words:

Abstract: The RFQ beam dynamics of a heavy ion linac was investigated in this paper and the BEAMPATH code was employed in this study. The main research was focused on the beam performances depending on longitudinal acceptance, RF properties, beam instability and space charge effect. The RFQ has large longitudinal acceptance in design, which brings the beam performances well. In the RF parameter study, the beam can keep good transmission in the acceleration even the vane voltage is larger than the theoretical value. It is also shown that the RFQ has a large robustness for the mismatch of the input beam by the analysis of the beam instability.Furthermore, the beam evolution is independent on the space charge effect when the beam current is less than 0.5 emA. The preliminary analysis of the beam dynamics shows that the 53.667 MHz heavy ion RFQ has a promising performance, which meets the requirements of SSC-LINAC.

Citation: