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000360219 037__ $$aGSI-2025-00816
000360219 041__ $$aEnglish
000360219 1001_ $$0P:(DE-Ds200)OR11252$$aNiedermayer, Philipp$$b0$$eCorresponding author$$ugsi
000360219 245__ $$aTransverse excitation for beam diagnostics and slow extraction from synchrotrons
000360219 260__ $$aFrankfurt am Main$$bUniversitätsbibliothek Johann Christian Senckenberg$$c2025
000360219 300__ $$a196
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000360219 3367_ $$02$$2EndNote$$aThesis
000360219 3367_ $$0PUB:(DE-HGF)11$$2PUB:(DE-HGF)$$aDissertation / PhD Thesis$$bphd$$mphd$$s1751358902_940396
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000360219 502__ $$aDissertation, Goethe Uni Frankfurt, 2025$$bDissertation$$cGoethe Uni Frankfurt$$d2025$$o2025-05-12
000360219 520__ $$aTransverse excitation is a key method required for the operation of synchrotrons, a type of circular particle accelerator suitable for a wide range of applications. The excitation is essential to control the beam: First, it is used in the context of beam diagnostics to enable monitoring of the accelerator's working point (tune). This is required to setup the machine and to avoid unintentional beam losses. Second, it is used in the context of resonant slow extraction to drive and control the extraction of particles from the accelerator. This method referred to as Radio Frequency Knock Out (RF-KO) enables the delivery of defined beam intensities for experiments or medical treatments. Transverse excitation is performed by creating a time-dependent electromagnetic field through which particles are deflected on each subsequent turn in the synchrotron. To generate this dipolar field with frequencies in the radio frequency (RF) domain, signal generators, amplifiers and stripline kickers (exciters) are utilized.This thesis comprises a detailed study of the method of transverse excitation. Special focus is placed on the nonlinear beam dynamics, the composition and generation of the excitation signal and the peripheral systems (detectors, exciters). An excitation system for tune diagnostics and one for resonant slow extraction is developed and used to study different methods for transverse excitation experimentally. Particle tracking simulations are carried out to gain a detailed understanding of the excitation process. Based on the findings from experiments and simulations, recommendations are given for the improved application of excitation techniques. Two new excitation methods for resonant slow extraction are developed, studied and compared to other commonly applied methods. The sensible application of these excitation techniques is essential to improve the quality of the particle beam and the operation and performance of the synchrotron.
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000360219 536__ $$0G:(EU-Grant)101004730$$aI.FAST - Innovation Fostering in Accelerator Science and Technology (101004730)$$c101004730$$fH2020-INFRAINNOV-2020-2$$x1
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000360219 7001_ $$0P:(DE-Ds200)OR0314$$aFranchetti, Giuliano$$b1$$eThesis advisor
000360219 7001_ $$0P:(DE-HGF)0$$aRatzinger, Ulrich$$b2$$eReviewer
000360219 7001_ $$0P:(DE-HGF)0$$aNajmudin, Zulfikar$$b3$$eReviewer
000360219 8564_ $$uhttps://doi.org/10.21248/gups.91300
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000360219 9101_ $$0I:(DE-HGF)0$$6P:(DE-HGF)0$$a  Goethe Universität Frankfurt$$b2
000360219 9101_ $$0I:(DE-HGF)0$$6P:(DE-HGF)0$$a Imperial College London$$b3
000360219 9131_ $$0G:(DE-HGF)POF4-621$$1G:(DE-HGF)POF4-620$$2G:(DE-HGF)POF4-600$$3G:(DE-HGF)POF4$$4G:(DE-HGF)POF$$aDE-HGF$$bForschungsbereich Materie$$lMaterie und Technologie$$vAccelerator Research and Development$$x0
000360219 9141_ $$y2025
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