Development of the BEPCⅡ Positron Source Flux Concentrator

LIU Jin-Tong; GEN Zhe-Qiao; SUN Xian-Jing; SUN Yao-Lin; PEI Guo-Xi

Chinese Physics C> 2005, Vol. 29> Issue(4) : 404-407

Development of the BEPCⅡ Positron Source Flux Concentrator

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

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Abstract：
The flux concentrator is a matching device for the positron beam, which matches the transverse emittance between the target and successive accelerator tubes. it is one of the most important parts of the bePcⅡ positron source and for improving the positron catching efficiency. based on the design and the manufacture of the flux concentrator, we studied the distribution of the magnetic field and the resonance property of the flux concentrator by computer simulation and compared the results with those of experiment.

References

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. Chehab R,Meur G, Mout on B et al . IEEE Trans. Nucl. Science NS- 30,1983, 4: 2850 28522. Alexander Mikhailichenko. To the Positron Collect ion at CESR Complex,CON 97-01- 19973. Clendenin J E. High-Yield Positron Systems for Linear Colliders, SLAC-PUB-4743. 19894. Kulikov A V, Ecklund S D, Reuter E M-SLC Positron Source Pulsed Flux Concentrator, SLAC-PUB-5473-19915. Eric Reuter, Dean Mansour, Tom Porter et al. Mechanical Design and Development of a High Power Target System for the SLC Positron Source,SLAC-PUB-5369-1991

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LIU Jin-Tong, GEN Zhe-Qiao, SUN Xian-Jing, SUN Yao-Lin and PEI Guo-Xi. Development of the BEPCⅡ Positron Source Flux Concentrator[J]. Chinese Physics C, 2005, 29(4): 404-407.

LIU Jin-Tong, GEN Zhe-Qiao, SUN Xian-Jing, SUN Yao-Lin and PEI Guo-Xi. Development of the BEPCⅡ Positron Source Flux Concentrator[J]. Chinese Physics C, 2005, 29(4): 404-407. shu

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Received: 2004-07-09
Revised: 2004-08-18

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沈阳化工大学材料科学与工程学院沈阳 110142

Development of the BEPCⅡ Positron Source Flux Concentrator

Corresponding author: GEN Zhe-Qiao,

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

Received Date: 2004-07-09
Accepted Date: 2004-08-18
Available Online: 2005-04-05

Abstract: The flux concentrator is a matching device for the positron beam, which matches the transverse emittance between the target and successive accelerator tubes. it is one of the most important parts of the bePcⅡ positron source and for improving the positron catching efficiency. based on the design and the manufacture of the flux concentrator, we studied the distribution of the magnetic field and the resonance property of the flux concentrator by computer simulation and compared the results with those of experiment.