Author: Qiang, J.
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MO2AA04 Electron Ion Collider Strong Hadron Cooling Injector and ERL 7
  • E. Wang, W.F. Bergan, F.J. Willeke
    BNL, Upton, New York, USA
  • S.V. Benson, K.E. Deitrick
    JLab, Newport News, Virginia, USA
  • D. Douglas
    Douglas Consulting, York, Virginia, USA
  • C.M. Gulliford
    Cornell University (CLASSE), Cornell Laboratory for Accelerator-Based Sciences and Education, Ithaca, New York, USA
  • C.E. Mayes, N.W. Taylor
    Xelera Research LLC, Ithaca, New York, USA
  • J. Qiang
    LBNL, Berkeley, California, USA
  Funding: The work is supported by Brookhaven Science Associates, LLC under Contract No. DESC0012704 with the U.S. Department of Energy.
Intra-beam Scattering (IBS) and other diffusion mechanisms in the EIC Hadron Storage Ring (HSR) degrade the beam emittances during a store, with growth times of about 2 hours at the nominal proton energies of 275GeV, 100 GeV, and 41 GeV. Strong Hadron Cooling (SHC) can maintain good hadron beam quality and high luminosity during long collision stores. A novel cooling method ’ Coherent electron Cooling (CeC) ’ is chosen as the baseline SHC method, due to its high cooling rates. An Energy Recovery Linac (ERL) is used to deliver an intense high-quality electron beam for cooling. In this paper, we discuss the beam requirements for SHC-CeC and describe the current status of the injector and ERL designs. Two designs of injector and ERL will be presented: one for dedicated SHC and another one for SHC with precooler.
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About • Received ※ 23 August 2022 — Revised ※ 25 August 2022 — Accepted ※ 27 August 2022 — Issue date ※ 31 August 2022
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