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Ring-Based Electron Cooling System for the EIC

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arxiv 2010.00689 v4 pith:PTLLAGPB submitted 2020-10-01 physics.acc-ph nucl-ex

Ring-Based Electron Cooling System for the EIC

classification physics.acc-ph nucl-ex
keywords coolingelectronsystembeamscoolerenergyrangering
verification ladder T0 review T1 audit T2 compute T3 formal T4 reserved
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abstract

This report describes a concept of an EIC cooling system, based on a proven induction linac technology with a dc electron beam. The system would operate in a full energy range of proton beams (100 - 270 GeV) and would provide 50-100 A electron beams, circulating in a cooler ring for 5 ms. Every 5 ms a new electron pulse would be injected into the cooler ring to provide continuous cooling at collisions. Operations with a 10-ms cycle is possible but it will reduce the cooling rates by ~30$\%$. The system is capable of delivering the required performance in the entire EIC energy range with emittance cooling times of less than 1-2 hours.

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