研究目的
To present the necessary modifications of the existing SPS and the updates on conceptual design of an alternative accelerator ring for the FCC-e+e? injector complex.
研究成果
The study presents updates on the design options for the pre-booster ring of the FCC e+e? injector complex, including modifications to the SPS and a new ring design. The insertion of damping and Robinson wiggler magnets is proposed for the SPS, and updated studies for the alternative design are presented. Further detailed studies are in progress.
研究不足
The study mentions that using the SPS as a pre-injector may have issues such as machine availability, synchrotron radiation, and RF system requirements. The alternative ring design is still in progress, with further studies needed for dynamic aperture optimization and Robinson wiggler simulations.
1：Experimental Design and Method Selection:
The study involves two options for the pre-accelerator of the FCC-e+e? injector complex: modifying the existing SPS and designing a new ring. The modifications for SPS include adding damping and Robinson wigglers to achieve the required emittance. The new ring design focuses on achieving injection and extraction energies of 6 and 20 GeV, respectively.
2：Sample Selection and Data Sources:
The study uses the existing SPS and conceptual designs for a new ring as samples. Data is sourced from simulations and analytical calculations.
3：List of Experimental Equipment and Materials:
The study mentions damping wiggler magnets, Robinson wiggler magnets, and sextupole magnets as key equipment.
4：Experimental Procedures and Operational Workflow:
The study involves simulations using MADX for the SPS modifications and analytical calculations for the new ring design. The workflow includes optimizing phase advances and dynamic aperture for the new ring.
5：Data Analysis Methods:
The study uses MADX simulation results and analytical calculations to analyze the impact of wiggler magnets on beam parameters like emittance and energy spread.
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