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The design and optimization of the Electromagnetic Calorimeter (ECAL) are crucial for the Circular Electron Positron Collider (CEPC) project, a proposed future Higgs/Z factory. Following the reference design of the International Large…

Instrumentation and Detectors · Physics 2018-03-28 H. Zhao , M. Ruan , C. Fu , D. Yu , Z. Wang , T. Hu

Following the discovery of the Higgs boson at LHC, new large colliders are being studied by the international high-energy community to explore Higgs physics in detail and new physics beyond the Standard Model. In China, a two-stage circular…

The Circular Electron Positron Collider (CEPC) is a next-generation electron$-$positron collider proposed for the precise measurement of the properties of the Higgs boson. To emphasize boson separation and jet reconstruction, the baseline…

The future of high-precision electroweak physics lies in e+e- collider measurements of properties of the Z boson, the W boson, the Higgs boson, and the top quark. We estimate the expected performance of three possible future colliders: the…

High Energy Physics - Phenomenology · Physics 2015-09-09 JiJi Fan , Matthew Reece , Lian-Tao Wang

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

As a future Higgs or Z factory, construction of the circular electron positron collider(CEPC) has been proposed to precisely measure Higgs bosons. A particle flow-oriented electromagnetic calorimeter (ECAL) and a hadronic calorimeter…

Instrumentation and Detectors · Physics 2020-06-17 YZ. Niu

The Circular Electron-Positron Collider (CEPC), a next-generation high-luminosity collider, employs a crab waist scheme to achieve ultrahigh $5 \times 10^{34} \, \text{cm}^{-2}\text{s}^{-1}$ luminosity at Higgs mode. Owing to the extremely…

High Energy Physics - Experiment · Physics 2025-08-01 Yanpeng Li , Meng Li , Xingrui Wang , Weimin Song , Xiyuan Zhang , Congcong Wang , Suyu Xiao , Haoyu Shi , Dou Wang , Philip Bambade , Xin Shi

The Circular Electron Positron Collider (CEPC) is a future Higgs factory to measure the Higgs boson properties. Like the other future experiments, the simulation software plays a crucial role in CEPC for detector designs, algorithm…

Instrumentation and Detectors · Physics 2025-01-10 Tao Lin , Weidong Li , Xingtao Huang , Teng Li , Ziyan Deng , Chengdong Fu , Jiaheng Zou

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

The precision of the yield measurement of the Higgs boson decaying into a pair of $Z$ bosons process at the Circular Electron Positron Collider (CEPC) is evaluated. Including the recoil $Z$ boson associated with the Higgs production…

High Energy Physics - Experiment · Physics 2021-03-19 Ryuta Kiuchi , Yanxi Gu , Min Zhong , Lingteng Kong , Alex Schuy , Shih-Chieh Hsu , Xin Shi , Kaili Zhang

The Circular Electron Positron Collider (CEPC) is designed to operate at the key center-of-mass energies: 91.2 GeV as a Z factory for precision Z boson studies,$\approx$ 160 GeV at the threshold for W boson pair production, and 240 GeV as a…

High Energy Physics - Experiment · Physics 2026-01-22 Feng Lyu , Jiarong Yuan , Huajie Cheng , Jianxiong Wang , Rabia Hameed , Da Xu , Xuai Zhuang

The discovery of the Higgs boson at Large Hadron Collider (LHC) of CERN in July 2012 raised new opportunities for large-scale accelerators. The Higgs boson is the heart of the Standard Model (SM) and is at the center of many biggest…

Accelerator Physics · Physics 2022-03-18 CEPC Accelerator Study Group

The physics potential of the Circular Electron Positron Collider (CEPC) can be significantly strengthened by two detectors with complementary designs. A promising detector approach based on the Silicon Detector (SiD) designed for the…

Instrumentation and Detectors · Physics 2016-12-21 S. V. Chekanov , M. Demarteau

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

We study quantum entanglement and test violation of Bell-type inequality at the Circular Electron Positron Collider (CEPC), which is one of the most attractive future colliders. It's a promising particle collider designed to search new…

High Energy Physics - Phenomenology · Physics 2024-11-06 Youpeng Wu , Ruobing Jiang , Alim Ruzi , Yong Ban , Qiang Li

Accurately measuring the properties of the Higgs boson is one of the core physics objectives of the Circular Electron Positron Collider (CEPC). As a Higgs factory, the CEPC is expected to operate at a centre-of-mass energy of $240\,GeV$,…

High Energy Physics - Experiment · Physics 2022-11-30 Yongfeng Zhu , Hanhua Cui , Manqi Ruan

We present a Circular Energy Recovery Collider (CERC) as an alternative approach for a high-energy high-luminosity electron-positron collider to current designs for high-energy electron-positron colliders either based on two storage rings…

Accelerator Physics · Physics 2022-03-24 Vladimir N Litvinenko , Nikhil Bachhawat , Maria Chamizo-Llatas , Francois Meot , Thomas Roser

The cross sections of the Higgs production and the corresponding backgrounds of $e^+e^-$ annihilations at the CEPC (Circular Electron and Positron Collider) are calculated by a Monte-Carlo method, and the beamstruhlung effect at the CEPC is…

High Energy Physics - Experiment · Physics 2016-01-08 Xin Mo , Gang Li , Manqi Ruan , Xinchou Lou

After the Higgs discovery, precise measurements of the Higgs properties and the electroweak observables become vital for the experimental particle physics. A powerful Higgs/Z factory, the Circular Electron Positron Collider(CEPC) is…

I give an overview of the physics potential at possible future $e^+ e^-$ colliders, including the ILC, FCC-ee, and CEPC. The goal is to explain some of the measurements that can be done in the context of electroweak precision tests and…

High Energy Physics - Phenomenology · Physics 2016-12-21 Matthew Reece