|TUPTS105||High Current High Charge Magnetized and Bunched Electron Beam from a DC Photogun for JLEIC Cooler||2167|
Funding: This project was supported by the U.S. DOE Basic Energy Sciences under contract No. DE-AC05-060R23177. Additional support comes from Laboratory Directed Research and Development program.
A high current, high charge magnetized electron beamline that has been under development for fast and efficient cooling of ion beams for the proposed Jefferson Lab Electron Ion Collider (JLEIC). In this paper, we present the latest progress over the past year that include the generation of picosecond magnetized beam bunches at average currents up to 28 mA with exceptionally long photocathode lifetime, and the demonstrations of magnetized beam with high bunch charge up to 700 pC at 10s of kHz repetition rates. Detailed studies on a stable drive laser system, long lifetime photocathode, beam magnetization effect, beam diagnostics, and a comparison between experiment and simulations will also be reported. These accomplishes marked an important step towards the essential feasibility for the JLEIC cooler design using magnetized beams.
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|DOI •||reference for this paper ※ https://doi.org/10.18429/JACoW-IPAC2019-TUPTS105|
|About •||paper received ※ 15 May 2019 paper accepted ※ 21 May 2019 issue date ※ 21 June 2019|
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