Study on High Order Modes of a β=0.45,f=350MHz Spoke Cavity

ZHU Feng; QUAN Sheng-Wen; ZHAO Kui; CHEN Jia-Er

Chinese Physics C> 2006, Vol. 30> Issue(10) : 1006-1009

Study on High Order Modes of a β=0.45,f=350MHz Spoke Cavity

Institute of Heavy Ion Physics, Peking University, Beijing 100871, China

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Intensive study has been done on low and medium energy section of proton and heavy ion accelerators. Many experiments show that spoke cavity is a very good candidate to connect low beta RFQ (radio frequency quadrapole) structure and high beta elliptical accelerating structure. A β=0.45, f=350MHz spoke cavity has been designed and a copper model spoke cavity has been fabricated at Peking University. In this paper, we put the emphasis on the analysis of HOMs (high order modes) of the spoke cavity.

References

[1]

. Kelly M P, Shepard K W et al. Cold Tests of a Spoke Cav-ity Prototype for RIA. Proceedings of the 2001 ParticleAccelerator Conference. Chicago, 20012. Krawczyk F. Status of AAA Spoke Cavity Design Simula-tions: LA-UR-01-1453. January 20013. CST Microwave Studio Version 4. @CST 2002. MAFIA4.107. CST, Darmstadt, Germany, 20014. ZHU Feng et al. HEP NP, 2005, 29(1): 77-80(in Chinese)(朱风等. 高能物理与核物理, 2005, 29(1): 77-82)5. Turner S. CAS CERN Accelerator School RF Engineeringfor Particle Accelerators(Vol.Ⅱ). 1992. 3396. Turner S. CAS CERN Accelerator School RF Engineeringfor Particle Accelerators(Vol.Ⅱ). 1992. 111

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ZHU Feng, QUAN Sheng-Wen, ZHAO Kui and CHEN Jia-Er. Study on High Order Modes of a β=0.45,f=350MHz Spoke Cavity[J]. Chinese Physics C, 2006, 30(10): 1006-1009.

ZHU Feng, QUAN Sheng-Wen, ZHAO Kui and CHEN Jia-Er. Study on High Order Modes of a β=0.45,f=350MHz Spoke Cavity[J]. Chinese Physics C, 2006, 30(10): 1006-1009. shu

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Received: 2005-12-28
Revised: 2006-04-21

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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

Study on High Order Modes of a β=0.45,f=350MHz Spoke Cavity

Corresponding author: ZHU Feng,

Institute of Heavy Ion Physics, Peking University, Beijing 100871, China

Received Date: 2005-12-28

Accepted Date: 2006-04-21

Available Online: 2006-10-05

Abstract: Intensive study has been done on low and medium energy section of proton and heavy ion accelerators. Many experiments show that spoke cavity is a very good candidate to connect low beta RFQ (radio frequency quadrapole) structure and high beta elliptical accelerating structure. A β=0.45, f=350MHz spoke cavity has been designed and a copper model spoke cavity has been fabricated at Peking University. In this paper, we put the emphasis on the analysis of HOMs (high order modes) of the spoke cavity.

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Study on High Order Modes of a β=0.45,f=350MHz Spoke Cavity

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