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The ESR Barrier-Bucket LLRF System - Design and First Results

Harzheim, Jens ; Domont-Yankulova, Dilyana ; Frey, Michael ; Groß, Kerstin ; Klingbeil, Harald ; Lens, Dieter (2021):
The ESR Barrier-Bucket LLRF System - Design and First Results. (Publisher's Version)
In: Journal of Physics: Conference Series (JPCS), 1067, Darmstadt, IOP Publishing, 9. International Particle Accelerator Conference (IPAC2018), Vancouver, Canada, 29.04.-04.05.2018, ISSN 1742-6588, e-ISSN 1742-6596,
DOI: 10.26083/tuprints-00017652,
[Conference or Workshop Item]

Abstract

At GSI, Darmstadt, Germany, a Barrier-Bucket (BB) RF System is currently under development for the Experimental Storage Ring (ESR). The system consists of two broadband RF cavities, each driven by a solid state amplifier, with the purpose to produce two voltage pulses per beam revolution. This will enable highly sophisticated longitudinal beam manipulations like longitudinal capture, compression and decompression or stacking of the beam. For the LLRF System, several requirements have to be fulfilled. Besides high standards concerning the pulsed gap signal quality (e.g. ringing < 2.5%), the system has to provide the flexibility for adiabatic voltage ramp-up and adiabatic pulse shifting with high timing accuracy. A connection to the FAIR Central Control System (CCS) is necessary, as amplitude and phase ramp data will be provided by the CCS. In this contribution, the structure of the ESR BB LLRF system is presented together with experimental results from the first setup of the system.

Item Type: Conference or Workshop Item
Erschienen: 2021
Creators: Harzheim, Jens ; Domont-Yankulova, Dilyana ; Frey, Michael ; Groß, Kerstin ; Klingbeil, Harald ; Lens, Dieter
Origin: Secondary publication service
Status: Publisher's Version
Title: The ESR Barrier-Bucket LLRF System - Design and First Results
Language: English
Abstract:

At GSI, Darmstadt, Germany, a Barrier-Bucket (BB) RF System is currently under development for the Experimental Storage Ring (ESR). The system consists of two broadband RF cavities, each driven by a solid state amplifier, with the purpose to produce two voltage pulses per beam revolution. This will enable highly sophisticated longitudinal beam manipulations like longitudinal capture, compression and decompression or stacking of the beam. For the LLRF System, several requirements have to be fulfilled. Besides high standards concerning the pulsed gap signal quality (e.g. ringing < 2.5%), the system has to provide the flexibility for adiabatic voltage ramp-up and adiabatic pulse shifting with high timing accuracy. A connection to the FAIR Central Control System (CCS) is necessary, as amplitude and phase ramp data will be provided by the CCS. In this contribution, the structure of the ESR BB LLRF system is presented together with experimental results from the first setup of the system.

Journal or Publication Title: Journal of Physics: Conference Series
Series: Journal of Physics: Conference Series (JPCS)
Series Volume: 1067
Place of Publication: Darmstadt
Publisher: IOP Publishing
Collation: 6 Seiten
Divisions: 18 Department of Electrical Engineering and Information Technology
18 Department of Electrical Engineering and Information Technology > Institute for Accelerator Science and Electromagnetic Fields > Accelerator Technology
18 Department of Electrical Engineering and Information Technology > Institute for Accelerator Science and Electromagnetic Fields
Event Title: 9. International Particle Accelerator Conference (IPAC2018)
Event Location: Vancouver, Canada
Event Dates: 29.04.-04.05.2018
Date Deposited: 02 Jul 2021 12:26
DOI: 10.26083/tuprints-00017652
URL / URN: https://tuprints.ulb.tu-darmstadt.de/17652
URN: urn:nbn:de:tuda-tuprints-176522
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