TUAO05
GSI, Darmstadt, Germany
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TUPP21
GSI, Darmstadt, Germany
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TUAO05 |
System Identification and Stability Considerations for Closed Orbit Feedback at SIS-18 | ||||
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| A new fast feedback system designed for fast ramping synchrotron SIS-18 at GSI. First controlled tests with beam were performed in the previous engineering run beam-time. The system was tested for robustness by operation under mismatched spatial model for several controller settings. This contribution discusses the open and closed loop system identification efforts as well as the first experiences with respect to the stability limits of this COFB system. | |||||
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Slides TUAO05 [2.598 MB] | ||||
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TUPP21 |
Transition Radiation Based Diagnostics for Non-Relativistic Ion Beams | ||||
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| The usage of optical transition radiation for profile monitoring of non-relativistic electron beams is well known. In this contribution, we study the application of transition radiation in optical and GHz regime for non-relativistic ion beams. The light emitted from a metal target after ion beam irradiation consists of polarized transition radiation as well as significant amount of unpolarized photons. The dependence of light yield on beam current and comparison of measured transverse profiles with alternative devices is shown. Simulations and pilot measurements demonstrating the potential usage of coherent transition radiation in GHz regime for bunch-by-bunch longitudinal profile measurements is also discussed. | |||||
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Poster TUPP21 [1.994 MB] | ||||
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