Speaker
Description
Symplectic integration is essential for simulating the long-term stability of systems such as storage rings. In contrast, it has traditionally been considered unnecessary for single-pass free-electron laser (FEL) simulations. Consequently, standard FEL simulation codes, like Genesis, have not fully incorporated symplectic methods in their treatment of the beam dynamics. However, with the growing interest in storage ring-based FELs, the requirement for symplectic tracking in the FEL dynamics process has emerged. This paper presents a modification of the Genesis code to implement a symplectic algorithm for its dynamical part. A comparative analysis between the symplectic and non-symplectic approaches is conducted. The results demonstrate that the symplectic Genesis preserves the symplecticity of beam dynamics without compromising the accuracy of the radiation simulation, thereby providing a more reliable tool for accurate storage ring FEL modeling.
| Paper status | Resubmitted proceeding files received and assigned to an editor. Accepted. |
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