Development and application of bunch-by-bunch measurement system for BEPCⅡ storage ring

Deng Qingyong; Cao Jianshe; Zhang Yuan; Yue Junhui; He Jun

doi:10.11884/HPLPB201527.065102

Volume 27 Issue 06

May 2015

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Article Navigation > High Power Laser and Particle Beams > 2015 > 27(06): 065102

Li Weikai, Zhang Wei, Yin Dayu, et al. Design of closed orbit correction system for beam accumulation stage of CSRm[J]. High Power Laser and Particle Beams, 2019, 31: 035101. doi: 10.11884/HPLPB201931.180368

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Deng Qingyong, Cao Jianshe, Zhang Yuan, et al. Development and application of bunch-by-bunch measurement system for BEPCⅡ storage ring[J]. High Power Laser and Particle Beams, 2015, 27: 065102. doi: 10.11884/HPLPB201527.065102

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Development and application of bunch-by-bunch measurement system for BEPCⅡ storage ring

doi: 10.11884/HPLPB201527.065102

1.
Key Laboratory of Particle Acceleration Physics and Technology,Institute of High Energy Physics,Chinese Academy of Sciences,Beijing 100049,China

Received Date: 2015-01-20
Rev Recd Date: 2015-03-17
Publish Date: 2015-05-26

Abstract

Abstract

Abunch-by-bunch beam measurement system is developed for BEPCⅡ (Beijing Electron-Positron ColliderⅡ). In order to realize the bunch-by-bunch measurement, high isolation for signals of each bunch should be reached. The analogy signals are sampled bunch-by-bunch with high speed (500 MHz) ADCs. Bunch signals separation and digital processing are done in Field Programmable Gate Array (FPGA). A resolution of about 4.5 m for bunch-by-bunch measurement is reached. Bunch-by-bunch tunes and oscillation amplitudes are provided by the system. The system has become a powerful tool for BEPCⅡ machine study.
- bunch position,
- bunch-by-bunch,
- beam position monitor,
- signal process

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