The Beam Optics of the FFAG Cell of the CBETA ERL Accelerator

N. Tsoupas, J. S. Berg, S.J. Brooks, G. J. Mahler, F. Méot, V. Ptitsyn, D. Trbojevic, J. A. Crittenden, Samuel Tygier

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

    Abstract

    The CBETA pro­ject[*] is a pro­to­type elec­tron ac­cel­er­a­tor for the pro­posed eRHIC pro­ject[**]. The elec­tron ac­cel­er­a­tor is based on the En­ergy Re­cov­ery Linac (ERL) and the Fixed Field Al­ter­nat­ing Gra­di­ent (FFAG) prin­ci­ples. The FFAG arcs and the straight sec­tion of the ac­cel­er­a­tor are com­prised of one fo­cus­ing and one de­fo­cus­ing quadrupoles which are de­signed as Hal­bach-type per­ma­nent di­pole magnets with quadrupoles com­po­nent[***]. We will pre­sent the beam op­tics of the FFAG cell which is based on 3D field maps de­rived with the use of the OPERA com­puter code[****]. We will also pre­sent the elec­tro­mag­netic de­sign of the correc­tor mag­nets of the cell.
    Original languageEnglish
    Title of host publicationProc. of International Particle Accelerator Conference (IPAC'17), Copenhagen, Denmark, 14–19 May, 2017
    Place of PublicationGeneva, Switzerland
    PublisherJACoW
    Pages820-823
    Number of pages4
    ISBN (Print)978-3-95450-182-3
    DOIs
    Publication statusPublished - 1 May 2017

    Publication series

    NameInternational Particle Accelerator Conference
    PublisherJACoW

    Keywords

    • quadrupole, electron, optics, dipole, focusing

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