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The Circular Electron Positron Collider (CEPC) is a large scientific project initiated and hosted by China, fostered through extensive collaboration with international partners. The complex comprises four accelerators: a 30 GeV Linac, a 1.1…

Accelerator Physics · Physics 2026-01-27 The CEPC Study Group

The Circular Electron Positron Collider (CEPC) is a large international scientific project initiated by China's particle physicists to study the Higgs boson and perform critical tests of the Standard Model. Housed in a 100-km circumference…

High Energy Physics - Experiment · Physics 2025-10-08 The CEPC Study Group

Fast simulation tools are highly appreciated in particle physics phenomenology studies, especially in the exploration of the physics potential of future experimental facilities. The Circular Electron Positron Collider is a proposed Higgs…

High Energy Physics - Experiment · Physics 2017-12-29 Cheng Chen , Xin Mo , Michele Selvaggi , Qiang Li , Gang Li , Manqi Ruan , Xinchou Lou

The proposed Circular Electron Positron Collider (CEPC) imposes new challenges for the vertex detector in terms of high resolution, low material, fast readout and low power. The Monolithic Active Pixel Sensor (MAPS) technology has been…

Instrumentation and Detectors · Physics 2021-09-21 T. Wu , S. Grinstein , R. Casanova , Y. Zhang , W. Wei , X. Wei , J. Dong , L. Zhang , X. Li , Z. Liang , J. Guimaraes da Costa , W. Lu , L. Li , J. Wang , R. Zheng , P. Yang , G. Huang

A cylindrical GEM detector is under development, to serve as an upgraded inner tracker at the BESIII spectrometer. It will consist of three layers of cylindrically-shaped triple GEMs surrounding the interaction point. The experiment is…

The Circular Electron Positron Collider (CEPC) is a large-scale particle accelerator designed to collide electrons and positrons at high energies. One of the primary goals of the CEPC is to achieve high-precision measurements of the…

High Energy Physics - Experiment · Physics 2025-02-12 Xiaotian Ma , Zuofei Wu , Jinfei Wu , Yanping Huang , Gang Li , Manqi Ruan , Fábio L. Alves , Shan Jin , Ligang Shao

Significant progress has been made to develop silicon pixel technologies for use in the vertex and tracker regions of the proposed Compact Linear Collider (CLIC) detector design. The electron-positron collisions generated by this linear…

Instrumentation and Detectors · Physics 2020-04-22 Morag Williams

A prototype of the CMOS pixel sensor named SUPIX-1 has been fabricated and tested in order to investigate the feasibility of a pixelated tracker for a proposed Higgs factory, namely, the Circular Electron-Positron Collider (CEPC). The…

Instrumentation and Detectors · Physics 2022-01-05 L. Li , L. Zhang , J. N. Dong , J. Liu , M. Wang

The Circular Electron Positron Collider (CEPC) is a large-scale collider facility that can serve as a factory of the Higgs, Z, and W bosons and is upgradable to run at the ttbar threshold. This document describes the latest CEPC nominal…

The Circular Electron Positron Collider (CEPC) is a proposed Higgs/Z factory. The photon reconstruction is critical to its physics program. We study the photon reconstruction at the CEPC baseline detector, a Particle Flow oriented detector.…

Instrumentation and Detectors · Physics 2020-02-24 Yuqiao Shen , Hong Xiao , Hengmei Li , Sai Qin , Zheng Wang , Changying Wang , Desheng Zhang , Manqi Ruan

As a Higgs factory, The CEPC (Circular Electron-Positron Collider) project aims at the precise measurement of the Higgs boson properties. A baseline detector concept, APODIS (A PFA Oriented Detector for the HIggS factory), has been proposed…

High Energy Physics - Experiment · Physics 2019-03-27 Hang Zhao , Yong-Feng Zhu , Cheng-Dong Fu , Dan Yu , Man-Qi Ruan

We present a study of the measurement of the effective weak mixing angle parameter ($\sin^2\theta^{\ell}_\text{eff}$) at the Circular Electron Positron Collider (CEPC). As a fundamental physics parameter, $\sin^2\theta^{\ell}_\text{eff}$…

High Energy Physics - Experiment · Physics 2023-08-31 Zhenyu Zhao , Siqi Yang , Manqi Ruan , Minghui Liu , Liang Han

The Circular Electron-Positron Collider (CEPC) is a future Higgs factory proposed by the Chinese high energy physics community. It will operate at a center-of-mass energy of 240-250 GeV and is expected to accumulate an integrated luminosity…

High Energy Physics - Experiment · Physics 2018-05-23 Zhenwei Cui , Qiang Li , Gang Li , Manqi Ruan , Lei Wang , Daneng Yang

The discovery of a 125 GeV Higgs boson at the LHC marked a breakthrough in particle physics. The relative lightness of the new particle inspires the consideration of a high luminosity Circular Electron Positron Collider (CEPC) as a Higgs…

Accelerator Physics · Physics 2016-08-03 Qinglei Xiu , Hongbo Zhu , Xinchou Lou

Circular Electron-Positron Collider(CEPC) is one of the largest plans in high energy physics study at China, which would serve as Higgs Factory firstly and then upgrade to a hadron collider. In this paper we give the 50km and 100km design…

Accelerator Physics · Physics 2016-08-24 Ming Xiao , Jie Gao , Dou Wang , Feng Su , Yiwei Wang , Sha Bai , Tianjian Bian

The technological prototype of the CALICE highly granular silicon-tungsten electromagnetic calorimeter (SiW-ECAL) was tested in a beam at DESY in 2017. The setup comprised seven layers of silicon sensors. Each layer comprised four sensors,…

Purpose: CMOS pixel sensors have become extremely attractive for future high performance tracking devices. Initial R\&D work has been conducted for the vertex detector for the proposed Circular Electron Positron Collider that will allow…

Instrumentation and Detectors · Physics 2019-09-04 L. J. Chen , H. B. Zhu , X. C. Ai , M. Fu , R. Kiuchi , Y. Liu , Z. A. Liu , X. C. Lou , Y. P. Lu , Q. Ouyang , X. Shi , J. Tao , K. Wang , N. Wang , C. F. Yang , Y. Zhang , Y. Zhou

Purpose: Luminosity measurement at the Circular Electron-Positron Collider (CEPC) is required to achieve 10^-4 precision when operating at the center-of-mass energy of the Z-pole. Approximately 10^12 Z-bosons will be collected to refine…

High Energy Physics - Experiment · Physics 2026-01-12 Jiading Gong , Jun He , Rongyan He , Suen Hou , Quan Ji , Renjie Ma , Ming Qi , Haoyu Shi , Weimin Song , Xingyang Sun , Haijing Wang , Yilun Wang , Jialiang Zhang , Lei Zhang

CEPC (Circular Electron and Positron Collider) is a large experiment facility proposed by Chinese particle physics community. One of its running option is being the Higgs factory. Calorimeter is the main part of this experiment to measure…

Instrumentation and Detectors · Physics 2019-09-04 Yu Wang , Shubin Liu , Changqing Feng , Zhongtao Shen , Junbin Zhang , Daojin Hong , Jianbei Liu , Yi Zhou