Chinese Physics C > 2005, Vol. 29 > Issue(3): 316-320

Design Studies of RF Phasing System for BEPCII Linac

Institute of High Energy Physics,CAS,Beijing 100049,China

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Abstract：
In order to compensate the RF phase drift due to various factors,we will establish a RF phasing system for BEPCII linac. Energy maximizing method will be used to determine the RF phase of each RF power source. A coaxial line will be used to distribute RF phase reference along the klystron gallery.The key components,such as PAD unit, IφA units, have been developed.A minimum phasing system is established and runs successfully.

References

[1]

. PEI Guo-Xi. Overview of BEPC-Linac Design. In: Pohang AcceleratorLaboratory. Proceedings of LINAC 2002. Pohang: Pohang AcceleratorLaboratory, 2002. 49 --- 512. Bogart J R. A Fast and Accurate Phasing Algorithm for the RF Accelerating Voltages of the SLAC Linac. In: Institute of Physics. Sixth European Part icle Accelerator Conference. London: Inst itute of Physics Publishing,1998. 448 -- 4503. Jobe R K, Shwarz H D. RF Phase Distribution System at the SLC. In:Argonne National Laboratory. Proceedings of the 1989 IEEE Particle Accelerator Conference. Chicago: IEEE, 1989. 1987--19894. Hanaki H, Anami S, Fukuda S et al. Low-Power RF System for the KEKB Injector Linac. In: KEK. Proceedings of APAC 98. Tsukuba:KEK, 1998. 139 % 1415. Akre R, Bharadwaj V, Emma P et al. SLAC linac RF Performance forLCLS. In: XX International Linac Conference. Proceedings of LINAC2000. Monterey: XX International Linac Conference, 2000.881 -- 8836. Holmes S. Low-Level RF Signal Processing for the Next Linear Collider Test Accelerator. In: Institute of Electrical and Electronic Engineers.Proceedings of the 1997 Particle Accelerator Conference. Vancouver:IEEE, 1997. 3207 -- 32097. Hanaki H. Performance Improvement of the Spring-8 Linac. In: EPAC.Proceedings of EPAC 2002. Paris: the European Physical Society Interdivisional Group on Accelerators ( EPS-IGA ) and CERN 2002. 1082--1084

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GU Peng-Da, GEN Zhe-Qiao, CUI Yan-Yan, PEI Guo-Xi and WANG Shu-Hong. Design Studies of RF Phasing System for BEPCII Linac[J]. Chinese Physics C, 2005, 29(3): 316-320.

GU Peng-Da, GEN Zhe-Qiao, CUI Yan-Yan, PEI Guo-Xi and WANG Shu-Hong. Design Studies of RF Phasing System for BEPCII Linac[J]. Chinese Physics C, 2005, 29(3): 316-320. shu

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Received: 2004-07-26
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

Design Studies of RF Phasing System for BEPCII Linac

Corresponding author:GU Peng-Da,

Institute of High Energy Physics,CAS,Beijing 100049,China

Received Date:2004-07-26
Accepted Date:1900-01-01
Available Online:2005-03-05

Abstract:In order to compensate the RF phase drift due to various factors,we will establish a RF phasing system for BEPCII linac. Energy maximizing method will be used to determine the RF phase of each RF power source. A coaxial line will be used to distribute RF phase reference along the klystron gallery.The key components,such as PAD unit, IφA units, have been developed.A minimum phasing system is established and runs successfully.