Keyword: FFAG
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TUPAF08 A Full Field-Map Modeling of Cornell-BNL CBETA 4-Pass Energy Recovery Linac linac, optics, dipole, simulation 186
 
  • F. Méot, S.J. Brooks, D. Trbojevic, N. Tsoupas
    BNL, Upton, Long Island, New York, USA
  • J.A. Crittenden
    Cornell University (CLASSE), Cornell Laboratory for Accelerator-Based Sciences and Education, Ithaca, New York, USA
 
  Funding: Work supported by Brookhaven Science Associates, LLC under Contract No. DE-AC02-98CH10886 with the U.S. Department of Energy
The Cor­nell-BNL Elec­tron Test Ac­cel­er­a­tor (CBETA) is a four-pass, 150 MeV en­ergy re­cov­ery linac (ERL), now in con­struc­tion at Cor­nell. A sin­gle fixed-field al­ter­nat­ing gra­di­ent (FFAG) beam line re­cir­cu­lates the four en­er­gies, 42, 78, 114 and 150 MeV. The re­turn loop is com­prised of 107 quadru­pole-dou­blet cells, built using Hal­bach per­ma­nent mag­net tech­nol­ogy. Spreader and com­biner sec­tions (4 in­de­pen­dent beam lines each) con­nect the 36 MeV linac to the FFAG loop. We pre­sent here a start-to-end sim­u­la­tion of the 4-pass ERL, en­tirely, and ex­clu­sively, based on the use of mag­netic field maps to model the mag­nets and cor­rec­tors. There are para­mount rea­sons for that and this is dis­cussed, de­tailed out­comes are pre­sented, to­gether with com­par­isons with reg­u­lar beam trans­port (map­ping based) tech­niques.
 
slides icon Slides TUPAF08 [2.568 MB]  
DOI • reference for this paper ※ https://doi.org/10.18429/JACoW-ICAP2018-TUPAF08  
About • paper received ※ 23 October 2018       paper accepted ※ 07 December 2018       issue date ※ 26 January 2019  
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