Chinese Physics C > 2008, Vol. 32 > Issue(3): 218-221 DOI: 10.1088/1674-1137/32/3/012

Design of BEPCⅡ bunch current monitor system

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BEPCⅡ is an electron-positron collider designed to run under multi-bunches and high beam current condition. The accelerator consists of an electron ring, a positron ring and a linear injector. In order to achieve the target luminosity and implement the equal bunch charge injection, the Bunch Current Monitor (BCM) system is built on BEPCⅡ. The BCM system consists of three parts: the front-end circuit, the bunch current acquisition system and the bucket selection system. The control software of BCM is based on VxWorks and EPICS. With the help of BCM system, the bunch current in each bucket can be monitored in the Central Control Room. The BEPCⅡ timing system can also use the bunch current database to decide which bucket needs to refill to implement ``top-off'' njection.

References

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. Chin M J, Hinkson J A. PEP-Ⅱ Bunch-by-Bunch Current Monitor. Proceedings of PAC1997. Vancouver, Canada,1997. 2235-22372. YUE Jun-Hui, MA Li et al. HEP NP, 2006, 30(2): 163-165. (in Chinese)3. Kikutani E, Akiyama A et al. Bucket Selection System of the KEKB Rings. Proceedings of APAC1998. Tsukuba,Japan, 1998. 525-5274. Kikutani E, Suetake M et al. Bucket Selector System for KEKB. Proceedings of ICA1999. Trieste, Italy, 1999. 278-2805. Kikutani E, Ogawa Y et al. Bucket Selection System-Recent Progress and the Plan In the Near Future. Proceedings of APAC2001. Beijing, China, 2001. 669-671

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ZHANG Lei, MA Hui-Zhou, YUE Jun-Hui, LEI Ge, CAO Jian-She and MA Li. Design of BEPCⅡ bunch current monitor system[J]. Chinese Physics C, 2008, 32(3): 218-221. doi: 10.1088/1674-1137/32/3/012

ZHANG Lei, MA Hui-Zhou, YUE Jun-Hui, LEI Ge, CAO Jian-She and MA Li. Design of BEPCⅡ bunch current monitor system[J]. Chinese Physics C, 2008, 32(3): 218-221. doi:10.1088/1674-1137/32/3/012 shu

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Received: 2007-04-06
Revised: 2007-05-08

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通讯作者:陈斌, bchen63@163.com

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沈阳化工大学材料科学与工程学院沈阳 110142

Design of BEPCⅡ bunch current monitor system

Corresponding author:ZHANG Lei,

Received Date:2007-04-06

Accepted Date:2007-05-08

Available Online:2008-03-05

Abstract:

BEPCⅡ is an electron-positron collider designed to run under multi-bunches and high beam current condition. The accelerator consists of an electron ring, a positron ring and a linear injector. In order to achieve the target luminosity and implement the equal bunch charge injection, the Bunch Current Monitor (BCM) system is built on BEPCⅡ. The BCM system consists of three parts: the front-end circuit, the bunch current acquisition system and the bucket selection system. The control software of BCM is based on VxWorks and EPICS. With the help of BCM system, the bunch current in each bucket can be monitored in the Central Control Room. The BEPCⅡ timing system can also use the bunch current database to decide which bucket needs to refill to implement ``top-off'' njection.

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Design of BEPCⅡ bunch current monitor system

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