DOE OSTI · 1906363
Electron Ion Collider Strong Hadron Cooling Injector and ERL
Abstract
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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Wang, E., Bergan, W. F., Willeke, F. J., Benson, S. V., Deitrick, K. E., Douglas, D., Gulliford, C. M., Mayes, C. E., Taylor, N. F., Qiang, J.. 2022-08-01. Electron Ion Collider Strong Hadron Cooling Injector and ERL. https://doi.org/10.18429/jacow-linac2022-mo2aa04
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