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Overview of the Micro-bunching Instability in Electron Storage Rings and Evolving Diagnostics

Brosi, Miriam

Abstract:
The micro-bunching instability is a longitudinal instability that leads to dynamical deformations of the charge distribution in the longitudinal phase space. It affects the longitudinal charge distribution, and thus the emitted coherent synchrotron radiation spectra, as well as the energy distribution of the electron bunch. Not only the threshold in the bunch current above which the instability occurs, but also the dynamics above the instability threshold strongly depends on machine parameters, e.g. accelerating voltage, momentum compaction factor, and beam energy. All this makes the understanding and potential mitigation or control of the micro-bunching instability an important topic for the next generation of light sources and circular e+e− colliders. This contribution will give an overview of the micro-bunching instability and discuss how technological advances in the turn-by-turn and bunch-by-bunch diagnostics are leading to a deeper understanding of this intriguing phenomenon.


Verlagsausgabe §
DOI: 10.5445/IR/1000133691
Veröffentlicht am 17.02.2022
Originalveröffentlichung
DOI: 10.18429/JACoW-IPAC2021-THXA02
Cover der Publikation
Zugehörige Institution(en) am KIT Institut für Beschleunigerphysik und Technologie (IBPT)
Laboratorium für Applikationen der Synchrotronstrahlung (LAS)
Publikationstyp Proceedingsbeitrag
Publikationsdatum 27.05.2021
Sprache Englisch
Identifikator ISBN: 978-3-95450-214-1
ISSN: 2673-5490
KITopen-ID: 1000133691
HGF-Programm 54.11.11 (POF IV, LK 01) Accelerator Operation, Research and Development
Erschienen in 12th International Particle Accelerator Conference : virtual edition, May 24th-28th, 2021, Brazil : proceedings volume. Ed.: Renan Picoreti
Veranstaltung 12th International Particle Accelerator Conference (IPAC 2021), Online, 24.05.2021 – 28.05.2021
Verlag JACoW Publishing
Externe Relationen Siehe auch
Schlagwörter BeamDynamics, KARA, microbunching
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