In 2023, CEPC accelerator Technical Design Report (TDR) has been formally released, and CEPC project entered Engineering Design Report (EDR) phase before construction. In the paper the accelerator EDR and CEPC detector ref-Design report progresses have been reported, where booster magnet and vacuum chamber NEG coating automatic fabrication lines, 650Formula: see textMHz full size cryomodule, C-band 80Formula: see textMW klystron. C-band test band and CCT SC quadrupole studies have been reported. The CEPC EDR goal, timeline and EDR site geological feasibility study status have been given. The industrial and international collaboration preparation have been addressed. The EDR goal is to complete EDR by the end of 2027 and submit CEPC proposal application to Chinese government in 2030 for the construction during the 16th five-year plan (2030–2035).
JS Gao (Thu,) studied this question.
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