Design of BEPCⅡ bunch current monitor system

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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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Design of BEPCⅡ bunch current monitor system

    Corresponding author: ZHANG Lei,

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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