Study of CSR Longitudinal Bunch Compression Cavity

YIN Da-yu; LIU Yong; #; XIE Qing-chun; LI Peng

doi:10.11804/NuclPhysRev.26.03.198

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Article Navigation > Nuclear Physics Review > 2009 > 26(3): 198-202

YIN Da-yu, LIU Yong, #, XIE Qing-chun, LI Peng. Study of CSR Longitudinal Bunch Compression Cavity[J]. Nuclear Physics Review, 2009, 26(3): 198-202. doi: 10.11804/NuclPhysRev.26.03.198

Citation:

YIN Da-yu, LIU Yong, #, XIE Qing-chun, LI Peng. Study of CSR Longitudinal Bunch Compression Cavity[J]. Nuclear Physics Review, 2009, 26(3): 198-202. doi: 10.11804/NuclPhysRev.26.03.198

Study of CSR Longitudinal Bunch Compression Cavity

doi: 10.11804/NuclPhysRev.26.03.198

1 Institute of Modern Physics,Chinese Academy of Sciences, Lanzhou 730000, China;2 Graduate School of Chinese Academy of Sciences, Beijing 100049, China; 3 College of Computer and Communication, Hunan University, Changsha 410082, China

Received Date: 1900-01-01
Rev Recd Date: 1900-01-01
Publish Date: 2009-09-20

Abstract

The scheme of longitudinal bunch compression cavity for the Cooling Storage Ring(CSR) is an important issue. Plasma physics experiments require high density heavy ion beam and short pulsed bunch， which can be produced by nonadiabatic compression of bunch implemented by a fast compression with 90° rotation in the longitudinal phase space. The phase space rotation in fast compression is initiated by a fast jump of the RFvoltage amplitude. For this purpose， the CSR longitudinal bunch compression cavity， loaded with FINEMETFT1M is studied and simulated with MAFIA code. In this paper， the CSR longitudinal bunch compression cavity is simulated and the initial bunch length of 238U72+ with 250 MeV/u will be compressed from 200 ns to 50 ns. The construction and RF properties of the CSR longitudinal bunch compression cavity are simulated and calculated also with MAFIA code. The operation frequency of the cavity is 1.15 MHz with peak voltage of 80kV， and the cavity can be used to compress heavy ions in the CSR.
- longitudinal bunch compression cavity,
- high permeability,
- FINEMET magnetic alloy,
- MAFIA code
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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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Study of CSR Longitudinal Bunch Compression Cavity

doi: 10.11804/NuclPhysRev.26.03.198

1 Institute of Modern Physics,Chinese Academy of Sciences, Lanzhou 730000, China;2 Graduate School of Chinese Academy of Sciences, Beijing 100049, China; 3 College of Computer and Communication, Hunan University, Changsha 410082, China

Received Date: 1900-01-01
Rev Recd Date: 1900-01-01
Publish Date: 2009-09-20

Key words:

Abstract: The scheme of longitudinal bunch compression cavity for the Cooling Storage Ring(CSR) is an important issue. Plasma physics experiments require high density heavy ion beam and short pulsed bunch， which can be produced by nonadiabatic compression of bunch implemented by a fast compression with 90° rotation in the longitudinal phase space. The phase space rotation in fast compression is initiated by a fast jump of the RFvoltage amplitude. For this purpose， the CSR longitudinal bunch compression cavity， loaded with FINEMETFT1M is studied and simulated with MAFIA code. In this paper， the CSR longitudinal bunch compression cavity is simulated and the initial bunch length of 238U72+ with 250 MeV/u will be compressed from 200 ns to 50 ns. The construction and RF properties of the CSR longitudinal bunch compression cavity are simulated and calculated also with MAFIA code. The operation frequency of the cavity is 1.15 MHz with peak voltage of 80kV， and the cavity can be used to compress heavy ions in the CSR.

YIN Da-yu, LIU Yong, #, XIE Qing-chun, LI Peng. Study of CSR Longitudinal Bunch Compression Cavity[J]. Nuclear Physics Review, 2009, 26(3): 198-202. doi: 10.11804/NuclPhysRev.26.03.198

Citation:

YIN Da-yu, LIU Yong, #, XIE Qing-chun, LI Peng. Study of CSR Longitudinal Bunch Compression Cavity[J]. Nuclear Physics Review, 2009, 26(3): 198-202. doi: 10.11804/NuclPhysRev.26.03.198