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

Simulations of CSR and LSC induced microbunching in the presence of a laser heater

TUP086
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

Sergei Kladov (University of Chicago)

Description

We present a study of microbunching amplification in linear accelerators, focusing on the combined effects of coherent synchrotron radiation (CSR) and longitudinal space charge (LSC). We also investigate the role of a laser heater, which is designed to suppress microbunching by decreasing the relative correlated energy spread early in the beamline. Simulations are performed for the FACET linac (SLAC), enabling direct comparison with existing theoretical predictions for CSR-induced microbunching in the presence of a laser heater. In addition to this comparison, we analyze microbunching amplification due to CSR and LSC both individually and jointly, highlighting their interplay. This work lays the foundation for upcoming experimental studies at FACET aimed at validating both theoretical models and numerical simulations.

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Authors

Claudio Emma (SLAC National Accelerator Laboratory) Sergei Kladov (University of Chicago) Spencer Gessner (SLAC National Accelerator Laboratory) Young-Kee Kim (University of Chicago) Zhirong Huang (SLAC National Accelerator Laboratory)

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