Author: Liu, W.
Paper Title Page
TUPAB037 The Design of a High Charge Polarized Preinjector for the Electron-Ion Collider 1428
 
  • E. Wang, W. Liu, V.H. Ranjbar, J. Skaritka, N. Tsoupas
    BNL, Upton, New York, USA
  • J.M. Grames, J. Guo
    JLab, Newport News, Virginia, USA
 
  Funding: Work supported by Brookhaven Science Associates, LLC under Contract No. DE-SC0012704 with the U.S. Department of Energy
The design of the electron pre-injector of the Electron-Ion Collider (EIC) project to generate 4 x 7 nC bunch has been advancing to meet the requirements for injection into the Rapid Cycling Synchrotron (RCS). The major challenges are high charge transport and achieving small energy spread from 3 GHz traveling-wave plate(TWP). The designed preinjector includes the polarized electron source, bunching section, TWP Linac, zigzag phase space manipulation and spin rotator. In this report, we will discuss the RF frequency selection and the way to reduce energy spread down to 0.2% by longitudinal phase space manipulate. We will also report the results of beamline simulation using space charge code and the conceptual design of spin rotator.
 
DOI • reference for this paper ※ https://doi.org/10.18429/JACoW-IPAC2021-TUPAB037  
About • paper received ※ 16 May 2021       paper accepted ※ 15 June 2021       issue date ※ 27 August 2021  
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