Chinese Physics C > 2006, Vol. 30 > Issue(2): 163-165

The Experiments of Transverse Feedback System on the BEPC

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

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Abstract：
In order to cure the transverse coupled-bunch instabilities of BEPCⅡ and improve the beam current of the rings, a prototype of transverse bunch-by-bunch feedback system was studied and made. The experiment of this prototype on the BEPC storage ring shows that this system can work well. The beam instabilities can be successfully suppressed when the feedback loop is closed. This paper describes the prototype of the transverse feedback system and the preliminary test results.

References

[1]

. Barry W, Corlett J, Fahmie M. Status of the PEP-Ⅱ Transverse Feedback Systems. Proceeding of PAC1997. Vancou-ver, Canada, 1997. 2344-23462. Minagawa Y, Kikutani E, Kurokawa S et al. Nucl. Instrum.Methods, 1998, A416: 193-2093. Barry W, Byrd J, Corlett J et al. Design of the ALS Transverse Coupled-Bunch Feedback System. Proceeding of PAC 1993. Washington D.C., USA, 1993. 2109-21114. Huang J, Park M, Kim D et al. Nucl. Instrum. Methods,2001, A467-468: 103-1055. Khan S, Knuth T, Barry W et al. Commissioning Results of the Transverse Feedback System at BESSYⅡ. Proceeding of EPAC 2000. Vienna, Austria, 2000. 1911-19136. Dehler M, Schlott V, Bulfone D et al. Current Statusof the ELETTRA/SLS Transverse Multibunch Feedback.Proceeding of EPAC2000. Vienna, Austria, 2000. 1894-18967. Dykes M, Galayda N. Correlator Filters for Feedback atSRS and NSLS. Proceeding of PAC1987. Washington D.C.,USA, 1987. 582-583

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YUE Jun-Hui, MA Li, CAO Jian-She and ZHANG Lei. The Experiments of Transverse Feedback System on the BEPC[J]. Chinese Physics C, 2006, 30(2): 163-165.

YUE Jun-Hui, MA Li, CAO Jian-She and ZHANG Lei. The Experiments of Transverse Feedback System on the BEPC[J]. Chinese Physics C, 2006, 30(2): 163-165. shu

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Received: 2005-07-07
Revised: 2005-08-16

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沈阳化工大学材料科学与工程学院沈阳 110142

The Experiments of Transverse Feedback System on the BEPC

Corresponding author:YUE Jun-Hui,

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

Received Date:2005-07-07
Accepted Date:2005-08-16
Available Online:2006-02-05

Abstract:In order to cure the transverse coupled-bunch instabilities of BEPCⅡ and improve the beam current of the rings, a prototype of transverse bunch-by-bunch feedback system was studied and made. The experiment of this prototype on the BEPC storage ring shows that this system can work well. The beam instabilities can be successfully suppressed when the feedback loop is closed. This paper describes the prototype of the transverse feedback system and the preliminary test results.