Study on the Field Tuning Method of a Resonantly Coupled RFQ

FU Shi-Nian

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《中国物理C》（英文）编辑部

2024年10月30日

Chinese Physics C> 2002, Vol. 26> Issue(8) : 870-875

Study on the Field Tuning Method of a Resonantly Coupled RFQ

FU Shi-Nian ^,

Institute of High Energy Physics, CAS, Beijing 100039, China

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Abstract：
Resonantly coupled RFQ is commonly used as the low energy accelerating structure for an intense beam proton linac. It is essential that the field distribution meets the design requirement in order to minimize the beam losses. Based on the RFQ transmission line model, a study on the field tuning was conducted on the cold model RFQ, focusing on the characteristics of the resonantly coupled RFQ structure. A satisfactory result was achieved in the field stabilization, and it also demonstrated the validity of the RFQ tuning code on the platform of LabVIEW.

References

[1]

. Young L. An 8-meter- long Coupled Cavity RFQ Linac, Proceedings of the Linear Accelerator Conference,1994,178 2. Young L. High Power Operation of LEDA. Proceedings of the Linear Accelerator Conference,2000,336—340 3. Beauvais P Y. Bogard D. Ferdinand R et al. Status Report on the Saclay High- intensity Proton Injector Project(IPHI). Pro-ceedings of EPAC,2000,283—285 4. Comunian M. Pisent A. Lamanna G. TRASCO RFQ Design. Proceedings of EPAC,2000,927—929 5. Han J, Kim K,Kim Y et al. A 350MHz CW RFQ Linac for the KOMAC/KTF. Proceedings of EPAC,2000,812—814 6. FU Shi-Nian. HEPNP, 2002,26(7):735(in Chinese)(傅世年.高能物理与核物理,2002,26(7):735)7. Pisent A. Equivalent Lumped Circuit Study for the Field Stabilization of a Long Four-Vane RFQ. Proc. of 1998 Linear Accelerator Conference,1998,968—9708. Young L. Rybarcyk L. Tuning the LEDA RFQ 6.7MeV Accelerator. Proc. of Linear Accelerator Conference,1998,270—272

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[14]	OUYANG Hua-Fu , FU Shi-Nian . Tuning and Measuring of RFQ with Resonantly Coupled Segments. Chinese Physics C, 2003, 27(6): 551-554.
[15]	REN XiaoTang , Lu YuanRong , YU JinXiang , WANG ZhongYi , LI WeiGuo , GUO JuFang , SONG ZhiZhong , LI YuSong , FANG JiaXun , CHEN JiaEr . Experimental Research on Simultaneous Acceleration of Positive and Negative Ions with Equal q/m in an ISR RFQ. Chinese Physics C, 2000, 24(4): 347-351.
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[17]	Luo Zihua , Wang Shuhong . Design and Study of Beam Dynamics for the BPL-RFQ. Chinese Physics C, 1995, 19(7): 658-666.
[18]	XUE She-Sheng , XIAN Ding-Chang . A LOCALLY GAUGE INVARIANT MEAN FIELD STUDY OF THE Yang-Mills-Higgs FIELD COUPLING SYSTEM ON LATTICE. Chinese Physics C, 1985, 9(2): 174-182.
[19]	LUO ZI-HUA , LUO YING-XIONG , WANG LIN-LIN . STUDY OF THE BEAM TRAMSVERSE MOTION IN THE RFQ STRUCTURE. Chinese Physics C, 1982, 6(6): 688-696.
[20]	WG SHU-HIUNG . BEAM DYNAMICS DESIGN STUDY FOR RFQ LINAC. Chinese Physics C, 1982, 6(4): 428-434.

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FU Shi-Nian. Study on the Field Tuning Method of a Resonantly Coupled RFQ[J]. Chinese Physics C, 2002, 26(8): 870-875.

FU Shi-Nian. Study on the Field Tuning Method of a Resonantly Coupled RFQ[J]. Chinese Physics C, 2002, 26(8): 870-875. shu

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Received: 2002-01-15
Revised: 1900-01-01

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沈阳化工大学材料科学与工程学院沈阳 110142

Study on the Field Tuning Method of a Resonantly Coupled RFQ

FU Shi-Nian ^,

Corresponding author: FU Shi-Nian,

Institute of High Energy Physics, CAS, Beijing 100039, China

Received Date: 2002-01-15
Accepted Date: 1900-01-01
Available Online: 2002-08-05

Abstract: Resonantly coupled RFQ is commonly used as the low energy accelerating structure for an intense beam proton linac. It is essential that the field distribution meets the design requirement in order to minimize the beam losses. Based on the RFQ transmission line model, a study on the field tuning was conducted on the cold model RFQ, focusing on the characteristics of the resonantly coupled RFQ structure. A satisfactory result was achieved in the field stabilization, and it also demonstrated the validity of the RFQ tuning code on the platform of LabVIEW.