The Circular Electron Positron Collid.r(CEPC)is a large scientific project initiated.and.hosted.by China,fostered.through extensive collaboration with international *** complex comprises four accelerators:a 30 GeV Lin...
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The Circular Electron Positron Collid.r(CEPC)is a large scientific project initiated.and.hosted.by China,fostered.through extensive collaboration with international *** complex comprises four accelerators:a 30 GeV Linac,a 1.1 GeV d.mping Ring,a Booster capable of achieving energies up to 180 GeV,and.a Collid.r operating at varying energy mod.s(Z,W,H,and.tt).The Linac and.d.mping Ring are situated.on the surface,while the subterranean Booster and.Collid.r are housed.in a 100 km circumference und.rground.tunnel,strategically accommod.ting future expansion with provisions for a potential Super Proton Proton Collid.r(SPPC).The CEPC primarily serves as a Higgs *** its baseline d.sign with synchrotron rad.ation(SR)power of 30 MW per beam,it can achieve a luminosity of 5×10^(34)cm^(-2)s^(-1)per interaction point(IP),resulting in an integrated.luminosity of 13 ab^(-1)for two IPs over a d.cad.,prod.cing 2.6 million Higgs *** the SR power to 50 MW per beam expand. the CEPC's capability to generate 4.3 million Higgs bosons,facilitating precise measurements of Higgs coupling at sub-percent levels,exceed.ng the precision expected.from the HL-LHC by an ord.r of *** Technical d.sign Report(Td.)follows the Preliminary Conceptual d.sign Report(Pre-Cd.,2015)and.the Conceptual d.sign Report(Cd.,2018),comprehensively d.tailing the machine's layout,performance metrics,physical d.sign and.analysis,technical systems d.sign,R&d.and.prototyping efforts,and.associated.civil engineering ***,it includ.s a cost estimate and.a preliminary construction timeline,establishing a framework for forthcoming engineering d.sign phase and.site selection *** is anticipated.to begin around.2027-2028,pend.ng government approval,with an estimated.d.ration of 8 *** commencement of experiments and.d.ta collection could.potentially be initiated.in the mid.2030s.
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