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Study on the pre-chopper in CSNS LEBT
欧阳华甫; Zhang HS(张华顺); Gong KY(巩克云); Liu HC(刘华昌); Wu XB(吴小兵); Ouyang, HF; Zhang, HS; Gong, KY; Liu, HC; Wu, XB
Source PublicationCHINESE PHYSICS C
Corresponding Author[Ouyang Hua-Fu ; Zhang Hua-Sun ; Gong Ke-Yun ; Liu Hua-Chang ; Wu Xiao-Bing] CAS, Inst High Energy Phys, Beijing 100049, Peoples R China
AbstractPhysical designing of the pre-chopper in CSNS LEBT is carried out, which includes the deflecting voltage, the length and the width of the deflecting plates, and the gap between the deflecting plates. The most outstanding feature of the design is that both the gap and the width vary with the beam envelope size. So both the requried deflecting voltage and the loaded capacitance are lowered. In order to avoid destruction of the space charge neutralization by the pre-chopper in the whole LEBT, an electron-trapping electrode is arranged to confine the electrostatic field of the pre-chopper to the local area. To examine the reliability of the pre-chopping design in CSNS LEBT, a similar pre-chopping design in ADS RFQ LEBT is set up and an experiment on the pre-chopper is prepared. 3-dimensional simulations are carried out to determine the loaded capacitance and the applied voltage of the electron-trapping electrode.
KeywordLEBT pre-chopper charge neutralization deflecting voltage electron-trapping loaded capacitance
Subject AreaPhysics
Indexed BySCI ; ADS
WOS Research AreaPhysics
WOS SubjectPhysics, Nuclear ; Physics, Particles & Fields
WOS IDWOS:000280656400016
ADS Bibcode2010ChPhC..34.1122O
ADS URLhttps://ui.adsabs.harvard.edu/abs/2010ChPhC..34.1122O
ADS CITATIONShttps://ui.adsabs.harvard.edu/abs/2010ChPhC..34.1122O/citations
Citation statistics
Cited Times:2 [ADS]
Document Type期刊论文
First Author AffilicationInstitute of High Energy
Recommended Citation
GB/T 7714
欧阳华甫,Zhang HS,Gong KY,et al. Study on the pre-chopper in CSNS LEBT[J]. CHINESE PHYSICS C,2010,34(8):1122-1126.
APA 欧阳华甫.,张华顺.,巩克云.,刘华昌.,吴小兵.,...&Wu, XB.(2010).Study on the pre-chopper in CSNS LEBT.CHINESE PHYSICS C,34(8),1122-1126.
MLA 欧阳华甫,et al."Study on the pre-chopper in CSNS LEBT".CHINESE PHYSICS C 34.8(2010):1122-1126.
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