10–15 Aug 2025
SAFE Credit Union Convention Center
America/Los_Angeles timezone

Space Charge Studies on Strong Hadron Cooler Energy Recovery Linac

TUP091
12 Aug 2025, 16:00
2h
SAFE Credit Union Convention Center

SAFE Credit Union Convention Center

1401 K St, Sacramento, CA 95814
Poster Presentation MC5 – Beam Dynamics and EM Fields TUP: Tuesday Poster Session

Speaker

Isurumali Neththikumara (Thomas Jefferson National Accelerator Facility)

Description

An Energy Recovery Linac (ERL) based cooler, using Coherent electron Cooling (CeC) is being designed for cooling hadron beams of the Electron-Ion Collider (EIC). The ERL design utilizes highcurrent, high-brightness electron beams with low emittance and a uniform longitudinal distribution for efficient hadron cooling. This is designed to operate in two modes to accommodate cooling requirements for hadron bunches at 100 GeV and 275 GeV, each with an average current of 100 mA and 1 nC bunch charge. With these parameters, the space charge effects become significant in this ERL design due to the low beam energy and high beam current. In this paper, we discuss strategies for including space charge effects in the optics design and implementation of an interface for space charge dominated and non-dominated regions of this ERL lattice.

Funding Agency

This work is supported by Jefferson Science Associates, LLC under U.S. DOE Contract DE-AC05-06OR23177 and Brookhaven Science Associates, LLC, Contract DESC0012704

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Author

Isurumali Neththikumara (Thomas Jefferson National Accelerator Facility)

Co-authors

Bamunuvita Gamage (Thomas Jefferson National Accelerator Facility) Erdong Wang (Brookhaven National Laboratory) Kirsten Deitrick (Thomas Jefferson National Accelerator Facility) Nick Sereno (Thomas Jefferson National Accelerator Facility) Ningdong Wang (Cornell University) Sadiq Setiniyaz (Thomas Jefferson National Accelerator Facility) Dr Todd Satogata (Thomas Jefferson National Accelerator Facility) William Bergan (Brookhaven National Laboratory)

Presentation materials

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