Speaker
Description
Recently, we proposed a novel photoinjector that incorporates an emittance exchange (EEX) beamline. Previous studies demonstrated promising 4D emittance performance of an EEX-based injector, but the beam’s longitudinal emittance at the linac exit still limits the final transverse emittance downstream of the EEX stage. We performed a comprehensive scan of injector parameters—including gun phase, laser spot size and pulse length, and solenoid strengths—to (1) estimate the minimum achievable longitudinal emittance, (2) identify sources of emittance growth, and (3) explore mitigation strategies. Here, we present the status of this study. Simulations were carried out using General Particle Tracer (GPT) including space-charge effects.
Footnotes
Min Kyu Seo, Seong Hee Park
Department of Accelerator Science, Korea University, Sejong30019, Korea
Gwang Hui Ha
Dept. of Physics, Northern Illinois University, Dekalb, IL 60115 U.S.
E-mail: tjalsrb1@korea.ac.kr, gha@niu.edu**
Funding Agency
Start-up support from Northern Illinois University.
National Research Foundation of Korea(NRF) grand founded by the Korea government(MSIT) (RS-2022-00143178 and RS-2024-00416252).
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