CERN Accelerating science

Article
Title RF Design of Traveling-Wave Accelerating Structures for the FCC-ee Pre-injector Complex
Author(s) Pommerenke, Hermann (CERN) ; Bettoni, Simona (PSI, Villigen) ; Craievich, Paolo (PSI, Villigen) ; Grudiev, Alexej (CERN) ; Latina, Andrea (CERN) ; Raguin, Jean-Yves (PSI, Villigen) ; Schaer, Mattia (PSI, Villigen)
Publication 2022
Number of pages 4
In: JACoW LINAC 2022 (2022) 707-710
In: 31st Linear Accelerator Conference (LINAC22), Liverpool, UK, 28 Aug - 2 Sep 2022, pp.707-710
DOI 10.18429/JACoW-LINAC2022-THPOJO08
Subject category Accelerators and Storage Rings
Accelerator/Facility, Experiment CERN FCC
Abstract The linacs of the FCC-ee (Future Circular Electron-Positron Collider) injector complex will provide the drive beam for positron production and accelerate nominal electron and positron beams up to 6 GeV. Several linacs comprise different traveling-wave (TW) accelerating structures fulfilling the beam dynamics and rf constraints. Notably, high-phase advance large-aperture structures accelerate the positron beam at low energies. All TW structures are rotationally symmetric for easier production. Long-range wakes are damped by HOM detuning. Operating mode and HOM parameters were calculated based on lookup tables and analytic formulas, allowing for rapid scanning of large parameter spaces. In this paper, we present both methodology and realization of the rf design of the TW structures including their pulse compressors.
Copyright/License publication: (License: CC-BY-4.0)

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 Записът е създаден на 2022-12-18, последна промяна на 2022-12-18


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