Author: Medina, L.C.
Paper Title Page
TUPOJO02 Multi-Harmonic Buncher (MHB) Studies for Protons and Ions in ESS-Bilbao 334
 
  • J.L. Muñoz, I. Bustinduy, P.J. González, L.C. Medina
    ESS Bilbao, Derio, Spain
 
  Multi-harmonic buncher cavities (MHB) are used in ion linacs to increase the bunch separation so the beam can be injected in rings or used in applications like time-of-flight experiments. The ideal saw-tooth electric field profile of the buncher is achieved in practice by adding several components of its Fourier expansion (multi-harmonics). ESS-Bilbao will develop* a MHB intended to be tested in the CERN-ISOLDE facility. The design and prototyping include the buncher device itself as well as the solid-state power amplifier (SSPA) to power it. The buncher design (finite elements and beam dynamics) has been carried out to optimize it for ISOLDE beams and frequencies of 1/10th of the radio-frequency quadrupole (RFQ) frequency. The testing of the cavity at ESS-Bilbao proton beam injector (before the RFQ) has also been studied.
* In the framework of the "Agreement for the Spanish Contribution to the Upgrade of the ATLAS, CMS, and LHCb Experiments and the new Projects for ISOLDE and nTOF"
 
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DOI • reference for this paper ※ https://doi.org/10.18429/JACoW-LINAC2022-TUPOJO02  
About • Received ※ 22 August 2022 — Revised ※ 29 August 2022 — Accepted ※ 04 September 2022 — Issue date ※ 15 September 2022
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