Transverse Blowup along Bunch Train Caused by Electron Cloud in BEPC

LIU Yu-Dong; GUO Zhi-Yuan; Qin Qing; WANG Jiu-Qing; ZHAO Zheng

Chinese Physics C> 2006, Vol. 30> Issue(3) : 260-263

Transverse Blowup along Bunch Train Caused by Electron Cloud in BEPC

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

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Abstract：
Electron cloud instability (ECI) may take place in a storage ring when the machine is operated with a multi-bunch positively charged beam. Transverse blowup due to electron cloud has been observed in some machines and is considered to be a major limit factor in the development of high current and high luminosity electron positron colliders. With a streak camera, the transverse blowup along the bunch train was first observed in an experiment at the Beijing Electron-Positron Collider (BEPC) and the simulation results were used to compare with the observation.

References

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. Izawa M et al. Phys. Rev. Lett., 1995, 74(25): 5044-50472. Fukuma H et al. Proc. of EPAC2000, Vienna, 2000. 1122-11243. Ohmi K. Phys. Rev. Lett., 1995, 75(8): 1526-5294. CHAO A. Physics of Collective Instability in High Energy Accelerators. New York: J. Willey, 19935. LIU Yu-Dong et al. HEP NP, 2004, 28(11): 1222-226(in Chinese)(刘瑜冬等.高能物理与核物理,2004, 28(11): 1222-1226)6. LIU Yu-Dong et al. HEP NP, 2004, 28(3): 222-226(in Chinese)(刘瑜冬等.高能物理与核物理,2004, 28(3): 222-226)

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LIU Yu-Dong, GUO Zhi-Yuan, Qin Qing, WANG Jiu-Qing and ZHAO Zheng. Transverse Blowup along Bunch Train Caused by Electron Cloud in BEPC[J]. Chinese Physics C, 2006, 30(3): 260-263.

LIU Yu-Dong, GUO Zhi-Yuan, Qin Qing, WANG Jiu-Qing and ZHAO Zheng. Transverse Blowup along Bunch Train Caused by Electron Cloud in BEPC[J]. Chinese Physics C, 2006, 30(3): 260-263. shu

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Received: 2005-10-24
Revised: 2005-11-28

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沈阳化工大学材料科学与工程学院沈阳 110142

Transverse Blowup along Bunch Train Caused by Electron Cloud in BEPC

Corresponding author: LIU Yu-Dong,

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

Received Date: 2005-10-24
Accepted Date: 2005-11-28
Available Online: 2006-03-05

Abstract: Electron cloud instability (ECI) may take place in a storage ring when the machine is operated with a multi-bunch positively charged beam. Transverse blowup due to electron cloud has been observed in some machines and is considered to be a major limit factor in the development of high current and high luminosity electron positron colliders. With a streak camera, the transverse blowup along the bunch train was first observed in an experiment at the Beijing Electron-Positron Collider (BEPC) and the simulation results were used to compare with the observation.