The ILD collaboration is adapting its strategy for potential circular colliders like FCC or CEPC, discussing challenges in tracking distortion correction, momentum resolution requirements, and handling various backgrounds. The focus is on optimizing the ILD design to meet the evolving collider lands

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The content discusses the impact of multipole errors on the beam dynamics at the CEPC Accelerator, focusing on sources of error, measurements, and potential effects on the beam. The analysis includes different types of multipole errors, their sources, and the resulting changes in tune and emittance

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Tasks involved in the alignment and installation optimization of components in the Circular Electron Positron Collider (CEPC) project include control network construction, component installation, smooth alignment, and addressing any arising problems. The process is crucial for the successful operati

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The interaction region design for the partial double ring scheme at CEPC involves primary parameters, ARC lattice structures, tune shift effects, chromaticity corrections, and optimization strategies for 3rd order chromaticity. The integration of ARC and IR components aims to enhance chromaticity co

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The positional relationship between the Circular Electron-Positron Collider (CEPC) and the Super Proton-Proton Collider (SPPC) involves careful considerations such as bypass tunnels, compatibility for future e-P collision programs, and shielding in the tunnel. Various scenarios are discussed regardi

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The CEPC beam energy calibration with Compton scattering method led by Yongsheng Huang and the CEPC energy calibration working group involves collaborations with various institutions and organizations. The project includes detailed physics requirements, system designs, and implementation plans for b

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CEPC is making remarkable progress in electroweak precision physics at the Z pole, aiming for significant improvements in luminosity and precision measurements. Research on W/Z physics, branching ratios, gluon splitting, systematics reduction, and detector enhancements are key focus areas. CEPC expe

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The CEPC Partial Double Ring Layout features advantages like accommodating more bunches at Z/W energy, reducing AC power with crab waist collision, and unique machine constraints based on given parameters. The provided parameter choices and updates aim to optimize beam-beam effects, emittance growth

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Initiatives like the CEPC-SppC Study Group and Circular Electron Positron Collider (CEPC) showcase China's commitment to pioneering future collider projects. With a focus on the energy frontier, developments such as the upgrade to a 50-70 TeV pp collider indicate significant progress in the field. T

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The evaluation and comparison of electricity power systems between the CEPC and FCCee accelerators reveal the power breakdowns, RF power consumption, magnet power supply, and overall power usage. Differences in power consumption for various components such as RF, magnets, and vacuum systems are high

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Delve into the intricacies of beam lifetime and injection considerations at the CEPC, exploring topics such as beam-gas scattering, quantum lifetime, Touschek lifetime, and injection modes. Discover the crucial factors affecting beam stability and injection efficiency in particle accelerators.

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This study explores impedance and Higher Order Mode (HOM) heating in the Infrared (IR) region of MDI for the Circular Electron Positron Collider (CEPC). It discusses beam parameters, structure, layout of the vacuum chamber, and power deposition for different IR pipe models in detail. Additionally, i

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The CEPC collider magnet system comprises dual aperture dipole, dual aperture quadrupole, sextupole, and booster magnet designs. These magnets cover a significant portion of the 100km ring, addressing considerations such as manufacturing cost, power consumption, and field quality. The design focuses

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Investigating the effects of magnet errors on the Double Arc (DA) in the CEPC partial double ring, including alignment parameters, field errors, and their consequences on the orbit, tune, and stability of the beam. The study explores quadrupole, bending magnet, and sextupole field errors, highlighti

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Prof. Jie Gao led discussions on the CEPC polarization program, focusing on obtaining transverse and longitudinal polarizations. The use of special wigglers to enhance the polarizing effect of the magnetic field was highlighted, reducing the time needed for radiative self-polarization. Strategies to

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Detailed discussion on achieving high average beam polarization in particle colliders like CEPC, focusing on longitudinal polarized colliding beams, beam polarization requirements, basic formulas, and strategies for maintaining beam polarization during physics runs. Emphasis on scenarios involving s

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Simulation study on beam polarization for the Circular Electron Positron Collider (CEPC) using the PTC Poly- morphic Tracking Code. The study includes orbital and spin tracking, equilibrium polarization calculation, and Monte-Carlo simulation of depolarization rate. Comparison with other Monte-Carlo

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The dual-readout calorimeter for CepC, as discussed in the International Review in Beijing, September 2018, is designed to optimize electromagnetic, hadronic, and jet resolution. With features like large sampling fraction for good EM resolution, event-by-event correction for EM fluctuations, and int

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The study focuses on measuring the Yukawa couplings between the Higgs boson and Standard Model fermions to understand fermions' masses and potential deviations indicating new physics. The analysis aims to measure Higgs decays to bb, cc, and gg at the CEPC experiment through event selection criteria,

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Workshop in November will feature parallel sections on physics and simulations under detector section, with a focus on HL-LHC and CEPC challenges, EFT, new physics perspectives, and fast simulation for CEPC. A variety of topics including combination and kappa analysis, EFT implications, simulations,

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This update covers the progress of CEPC project with a focus on the Technical Design Report (TDR), including TDAQ developments by Fei Li, Jinzhou Zhao, and Xiaolu Ji. It outlines periodic meetings, work plans, and group activities for August 2024. The Build Working Group's activity involving simulat

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This study explores bunch lengthening in the Circular Electron Positron Collider (CEPC) for various design parameters, analyzing a 54 km design scheme, a 61 km design scheme, and a 100 km design scheme. The analysis includes the theoretical framework used, equations for bunch lengthening, and conclu

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This study explores the use of high-temperature superconductors (HTS) for the CEPC detector magnet, focusing on Bi-2223, Bi-2212, and YBCO conductors. It discusses the properties of each conductor, their suitability for the magnet, and the decision to choose YBCO. The advantages and challenges of ut

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Lattice design and parameters for the double ring scheme of the Circular Electron Positron Collider (CEPC) main ring discussed at the CEPC AP meeting in January 2016. The outline covers the CEPC parameters for C=100km, including the lattice design and geometry for different regions. Details on energ

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Lattice design and dynamic aperture optimization for the Circular Electron Positron Collider (CEPC) main ring were discussed, focusing on maximizing the dynamic aperture through lattice configurations in the ARC region, interaction region, and partial double ring region. Various strategies such as c

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The CEPC RF Power Source involves high-power RF sources for accelerating and stabilizing particles in the Collider system. It includes design elements, efficiency considerations, and operational cost impacts. The transmission system utilizes superconducting cavity technology to meet power demands ef

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