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Description
Booster synchrotron plays a critical role in delivering high-quality beams, enabling efficient injection and ensuring stable, reliable operation of storage-ring in fourth-generation light source. To enhance the robustness of the Siam Photon Source II (SPS-II) booster, an upgraded 270-MeV linear accelerator (Linac) is considered to improve injection efficiency and beam quality. This work presents a beam dynamics study of a 3-GeV booster injected from a 270-MeV linac, including particle tracking with synchrotron radiation effects, magnet errors, and realistic alignment tolerances. Key aspects such as dynamic aperture, transverse acceptance, injection efficiency, and beam energy ramping are systematically optimized. The results show that the proposed design offers robust performance margins, making it well-suited for reliable operation.
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