IBIC2014 - List of Authors (Sommer, M.)

Paper	Title	Page
WEPD26	Bunch-by-Bunch Feedback Systems at the DELTA Storage Ring used for Beam Diagnostics	703
	M. Höner, S. Khan, M. Sommer DELTA, Dortmund, Germany
	Funding: Work supported by the BMBF. At the 1.5-GeV electron storage ring DELTA operated by the TU Dortmund University, a bunch-by-bunch feedback system was installed in 2011. Since then, it is in operation for different beam diagnostic purposes. A fast analysis of bunch-position data allows a real-time multibunch mode analysis during machine operation. In addition, the data analysis can be triggered by external events, e.g. beam losses or the injection process. In this paper, a feedback-based method to measure the damping times of multi-bunch modes is presented. Furthermore, a chromaticity-dependent single-bunch instability is analyzed. Finally, the use of the feedback system in the presence of an RF-phase modulation is presented.
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Paper

Title

Page

Bunch-by-Bunch Feedback Systems at the DELTA Storage Ring used for Beam Diagnostics

703

M. Höner, S. Khan, M. Sommer
DELTA, Dortmund, Germany

Funding: Work supported by the BMBF.
At the 1.5-GeV electron storage ring DELTA operated by the TU Dortmund University, a bunch-by-bunch feedback system was installed in 2011. Since then, it is in operation for different beam diagnostic purposes. A fast analysis of bunch-position data allows a real-time multibunch mode analysis during machine operation. In addition, the data analysis can be triggered by external events, e.g. beam losses or the injection process. In this paper, a feedback-based method to measure the damping times of multi-bunch modes is presented. Furthermore, a chromaticity-dependent single-bunch instability is analyzed. Finally, the use of the feedback system in the presence of an RF-phase modulation is presented.

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