Design of undercuts and dipole stabilizer rods for the CPHS RFQ accelerator

CAI Jin-Chi; XING Qing-Zi; GUAN Xia-Ling; DU Lei

doi:10.1088/1674-1137/36/5/015

Chinese Physics C> 2012, Vol. 36> Issue(5) : 464-468 DOI: 10.1088/1674-1137/36/5/015

Design of undercuts and dipole stabilizer rods for the CPHS RFQ accelerator

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Abstract：
As part of the design and machining of the RFQ accelerator in the Compact Pulsed Hadron Source (CPHS) project at Tsinghua University, the design process of the undercuts and dipole stabilizer rods is presented in this paper. In particular, the relationship between the inter-vane voltage slope and the local frequency of the undercut section is described quantitatively. With the identification of modes existing in the cavity, the specific parameters are optimized by the SUPERFISH and MAFIA codes. In addition, the water-cooling requirement of the dipole stabilizer rods is briefly discussed.

References

[1]

WEI J, CHEN H B, HUANG W H et al. Compact Pulsed Hadron Source - A University-Based Accelerator Plat- form For Multidisciplinary Neutronand Proton Applications. Particle Accelerator Physics Conference 2009. 633-6352 Balleyguier P et al. 3-D Design of the IPHI RFQ Cavity. Proceedings of the 20th International Linac Conference.9923 Lamanna G, FU S, OUYANG H F et al. Field Tuning of the TRASCO RFQ. European Particle Accelerator Conference 2002. 924-9264 OUYANG Hua-Fu, FU Shi-Nian, GUAN Xia-Ling, XU Wen-Wu. HEP NP, 2004, 28(7): 754-755 (in Chinese)

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CAI Jin-Chi, XING Qing-Zi, GUAN Xia-Ling and DU Lei. Design of undercuts and dipole stabilizer rods for the CPHS RFQ accelerator[J]. Chinese Physics C, 2012, 36(5): 464-468. doi: 10.1088/1674-1137/36/5/015

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Received: 2011-08-12
Revised: 2011-08-30

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沈阳化工大学材料科学与工程学院沈阳 110142

Design of undercuts and dipole stabilizer rods for the CPHS RFQ accelerator

Received Date: 2011-08-12
Accepted Date: 2011-08-30
Available Online: 2012-05-05

Abstract: As part of the design and machining of the RFQ accelerator in the Compact Pulsed Hadron Source (CPHS) project at Tsinghua University, the design process of the undercuts and dipole stabilizer rods is presented in this paper. In particular, the relationship between the inter-vane voltage slope and the local frequency of the undercut section is described quantitatively. With the identification of modes existing in the cavity, the specific parameters are optimized by the SUPERFISH and MAFIA codes. In addition, the water-cooling requirement of the dipole stabilizer rods is briefly discussed.