Studies on Optimizing Beam Optics and Orbit Correction for BEPCⅡ-Linac

WANG Shu-Hong; GU Peng-Da; WANG Jiu-Qing; LIU Yu-Cheng; PEI Guo-Xi; PEI Shi-Lun; ZHOU Zu-Sheng; LIU Wei-Bin

Chinese Physics C> 2003, Vol. 27> Issue(2) : 173-177

Studies on Optimizing Beam Optics and Orbit Correction for BEPCⅡ-Linac

Institute of High Energy Physics, The Chinese Academy of Sciences, Beijing 100039, China

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Abstract：
To meet the upgrading goals of the BEPCⅡ-linac, the beam modeling and studies on optimizing the optics for high current electron and positron beams are carried out. An optics-tuning scheme is defined. The effects of initial beam axis deviation and machine alignment errors on normalized beam emittance growth and on beam orbit offset are systematically studied, and the orbit correction with "1-to-1" correction scheme is modeled.

References

[1]

. LIU YuCheng et al.The BEPC R D Report,Part-1,Injector,19892. Carey D C et al.SLAC- R 5303. WANG ShuHong et al.Beam Optics and Orbit Correction.Preliminary Design Report of BEPCⅡLinac,IHEP- BEPCⅡ-SB- 03,2002.64. WANG ShuHong,WANGJ iuQing,YE Qiang et al.High Energy Phys.and Nucl.Phys.,2002,26(12):1302(in Chinese)(王书鸿,王九庆,叶强等.高能物理与核物理,2002,26(12):1302)5. WANG ShuHong,YE Qiang,CAO JianShe,et al.High Energy Phys.and Nucl.Phys.,2002,26(11):1184(in Chinese)(王书鸿,叶强,曹建社等.高能物理与核物理,2002,26(11):1184)6. CAO JianShe,HAN LuXiang,YE Qiang.Summary Report of the Design,Construction and Mapping for the Prototype of Strip line BPM for BEPCⅡ-Linac.Internal Report,IHEP ,March20027. LIU YuCheng,HAN LuXiang.Summary Report of the Design、Construction and Measurement for aprototype of corrector for BEPCⅡ-Linac,Internal Report,IHEP ,March20028. Assmann R et al.LIAR AComputer Program for the Modeling and Simulation of High Performance Linacs.SLAC/ AP-103,April 1997

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WANG Shu-Hong, GU Peng-Da, WANG Jiu-Qing, LIU Yu-Cheng, PEI Guo-Xi, PEI Shi-Lun, ZHOU Zu-Sheng and LIU Wei-Bin. Studies on Optimizing Beam Optics and Orbit Correction for BEPCⅡ-Linac[J]. Chinese Physics C, 2003, 27(2): 173-177.

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Received: 2002-05-23
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

Studies on Optimizing Beam Optics and Orbit Correction for BEPCⅡ-Linac

Corresponding author: WANG Shu-Hong,

Institute of High Energy Physics, The Chinese Academy of Sciences, Beijing 100039, China

Received Date: 2002-05-23
Accepted Date: 1900-01-01
Available Online: 2003-02-05

Abstract: To meet the upgrading goals of the BEPCⅡ-linac, the beam modeling and studies on optimizing the optics for high current electron and positron beams are carried out. An optics-tuning scheme is defined. The effects of initial beam axis deviation and machine alignment errors on normalized beam emittance growth and on beam orbit offset are systematically studied, and the orbit correction with "1-to-1" correction scheme is modeled.