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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