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Surface Hydrophilic Modification for Chip of Centrifugal Microfluidic Immunoassay System

Micromachines 2022年第6期13卷 831-831页

作者： Shi, Yuxing Ye, Peng Wang, Chuang Yang, Kuojun Guo, Jinhong School of Automation Engineering University of Electronic Science and Technology of China Chengdu611731 China The M.O.E. Key Laboratory of Laboratory Medical Diagnostics The College of Laboratory Medicine Chongqing Medical University No. 1 Yixueyuan Road Chongqing400016 China

The surface of a centrifugal microfluidic immunoassay system chip such as polymethyl methacrylate (PMMA) is often hydrophobic, which leads to problems such as poor liquid transfer efficiency and easy-to-block siphon channels, leading to bad fluid control. Therefore, surface hydrophilic modification for such chips is necessary to improve the rapidity and sensitivity of the system. Chemical modification is commonly used, but there is little research on the hydrophilic effect of different concentrations of hydrophilic reagents. According to function requirements for different microchannels of the chip (some only need to ensure the liquid can flow into the next chamber, and some also need to ensure the function of "closing the door" during immunoassay incubation), we explored the best combination of hydrophilic reagent and concentration through experiments. Firstly, three hydrophilic reagents were used for modification. Secondly, the hydrophilic effects of different reagents and concentrations were explored by contact angle test, the influence of different modification methods on liquid transfer efficiency was characterized by residual liquid calculation in the chamber. Finally, the effect of different hydrophilic reagents on absorbance was also tested. By experimental results and comprehensively considering the stability of the modification effect and the function requirements, Tween-20 (2.0% v/v) was chosen as the modifying reagents of the first siphon valve and the second siphon valve, and TritonX-100 (2.0% v/v) was chosen for the third siphon valve, which effectively reduces the contact angle and improves the liquid transfer efficiency, leading to further improvement of the rapidity and sensitivity of the centrifugal microfluidic immunoassay system by efficient siphoning and high plasma separation efficiency (99%). © 2022 by the authors. Licensee MDPI, Basel, Switzerland.

关键词： Liquids

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In-situ TEM study of loop evolution in FeCrAl alloy under Fe⁺ irradiation: Effects of temperatures, dislocations and precipitates

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nuclear Analysis 2022年第1期1卷

作者： Pei, Kefei Ran, Guang Li, Yipeng Cao, Ziqi Cui, Dewang Zhang, Ruiqian Yang, Gang College of Energy Xiamen University Xiamen 361102 China Science and Technology on Reactor Fuel and Materials Laboratory Chengdu 610041 China Fujian Research Center for Nuclear Engineering Xiamen 361102 China Nuclear Power Institute of China Chengdu 610041 China

Fe13.5Cr4.7Al alloy was irradiated in-situ with 400 keV Fe+ in TEM at RT and 748 K. The evolution of dislocation loops under the influence of temperatures, irradiation dose, dislocation lines and precipitates were cha... 详细信息

Fe13.5Cr4.7Al alloy was irradiated in-situ with 400 keV Fe⁺ in TEM at RT and 748 K. The evolution of dislocation loops under the influence of temperatures, irradiation dose, dislocation lines and precipitates were characterized in detail. The loop rafting was found at RT irradiation for the first time and the growth direction of the rafted loops was along g = 110 direction. However, this phenomenon was not observed at 748 K and only the dislocation complex was appeared. The formation conditions of loop rafting were low temperature and a certain value of irradiation dose. The average size and number density of dislocation loops as a function of irradiation dose in the regions with dislocation lines, precipitates and no dislocation lines/precipitates were constructed and analyzed comparatively. At the same irradiation dose, sample irradiated at higher temperature has larger average loop size and lower loop number density. There was a complex interaction between dislocation line-loop at 748 K, but few interactions were observed at RT. At any irradiation dose, the loop number density in the region with dislocation lines was smaller than that in the region without dislocation lines, but the average loop size was slightly opposite. Moreover, the higher the irradiation temperature, the more obvious the effects of precipitates and dislocation lines on loop evolution were. Our current results provide a fundamental insight into how the dislocations, precipitates and dose affect loop evolution and characteristics in FeCrAl alloy at elevated temperatures. © 2022 The Authors

关键词： Dislocation loops FeCrAl alloy In-situ irradiation In-situ TEM

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Constraints on the Blazar-Boosted Dark Matter from the CDEX-10 Experiment

arXiv

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arXiv 2024年

作者： Xu, R. Yang, L.T. Yue, Q. Kang, K.J. Li, Y.J. An, H.P. Greeshma, C. Chang, J.P. Chen, Y.H. Cheng, J.P. Dai, W.H. Deng, Z. Fang, C.H. Geng, X.P. Gong, H. Guo, Q.J. Guo, T. Guo, X.Y. He, L. He, S.M. Hu, J.W. Huang, H.X. Huang, T.C. Jiang, L. Karmakar, S. Li, H.B. Li, H.Y. Li, J.M. Li, J. Li, Q.Y. Li, R.M.J. Li, X.Q. Li, Y.L. Liang, Y.F. Liao, B. Lin, F.K. Lin, S.T. Liu, J.X. Liu, S.K. Liu, Y.D. Liu, Y. Liu, Y.Y. Ma, H. Mao, Y.C. Nie, Q.Y. Ning, J.H. Pan, H. Qi, N.C. Ren, J. Ruan, X.C. Singh, M.K. Sun, T.X. Tang, C.J. Tian, Y. Wang, G.F. Wang, J.Z. Wang, L. Wang, Q. Wang, Y.F. Wang, Y.X. Wong, H.T. Wu, S.Y. Wu, Y.C. Xing, H.Y. Xu, Y. Xue, T. Yan, Y.L. Yi, N. Yu, C.X. Yu, H.J. Yue, J.F. Zeng, M. Zeng, Z. Zhang, B.T. Zhang, F.S. Zhang, L. Zhang, Z.H. Zhang, Z.Y. Zhao, J.Z. Zhao, K.K. Zhao, M.G. Zhou, J.F. Zhou, Z.Y. Zhu, J.J. Key Laboratory of Particle and Radiation Imaging Ministry of Education Department of Engineering Physics Tsinghua University Beijing100084 China Department of Physics Tsinghua University Beijing100084 China Institute of Physics Academia Sinica Taipei11529 Taiwan NUCTECH Company Beijing100084 China YaLong River Hydropower Development Company Chengdu610051 China College of Nuclear Science and Technology Beijing Normal University Beijing100875 China College of Physics Sichuan University Chengdu610065 China School of Physics Peking University Beijing100871 China Department of Nuclear Physics China Institute of Atomic Energy Beijing102413 China Sino-French Institute of Nuclear and Technology Sun Yat-sen University Zhuhai519082 China School of Physics Nankai University Tianjin300071 China Department of Physics Banaras Hindu University Varanasi221005 India Department of Physics Beijing Normal University Beijing100875 China

We report new constraints on light dark matter (DM) boosted by blazars using the 205.4 kg day data from the CDEX-10 experiment located at the China Jinping Underground Laboratory. Two representative blazars, TXS 0506+56 and BL Lacertae are studied. The results derived from TXS 0506+56 exclude DM-nucleon elastic scattering cross sections from 4.6×10−33 cm2 to 1×10−26 cm2 for DM masses between 10 keV and 1 GeV, and the results derived from BL Lacertae exclude DM-nucleon elastic scattering cross sections from 2.4 × 10−34 cm2 to 1 × 10−26 cm2 for the same range of DM masses. The constraints correspond to the best sensitivities among solid-state detector experiments in the sub-MeV mass range. Copyright © 2024, The Authors. All rights reserved.

关键词： Dark Matter

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Probing Dark Matter Particles from Evaporating Primordial Black Holes via Electron Scattering in the CDEX-10 Experiment

arXiv

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arXiv 2024年

作者： Zhang, Z.H. Yang, L.T. Yue, Q. Kang, K.J. Li, Y.J. An, H.P. Greeshma, C. Chang, J.P. Chen, Y.H. Cheng, J.P. Dai, W.H. Deng, Z. Fang, C.H. Geng, X.P. Gong, H. Guo, Q.J. Guo, T. Guo, X.Y. He, L. He, S.M. Hu, J.W. Huang, H.X. Huang, T.C. Jiang, L. Karmakar, S. Li, H.B. Li, H.Y. Li, J.M. Li, J. Li, Q.Y. Li, R.M.J. Li, X.Q. Li, Y.L. Liang, Y.F. Liao, B. Lin, F.K. Lin, S.T. Liu, J.X. Liu, S.K. Liu, Y.D. Liu, Y. Liu, Y.Y. Ma, H. Mao, Y.C. Nie, Q.Y. Ning, J.H. Pan, H. Qi, N.C. Ren, J. Ruan, X.C. Singh, M.K. Sun, T.X. Tang, C.J. Tian, Y. Wang, G.F. Wang, J.Z. Wang, L. Wang, Q. Wang, Y.F. Wang, Y.X. Wong, H.T. Wu, S.Y. Wu, Y.C. Xing, H.Y. Xu, R. Xu, Y. Xue, T. Yan, Y.L. Yi, N. Yu, C.X. Yu, H.J. Yue, J.F. Zeng, M. Zeng, Z. Zhang, B.T. Zhang, F.S. Zhang, L. Zhang, Z.Y. Zhao, J.Z. Zhao, K.K. Zhao, M.G. Zhou, J.F. Zhou, Z.Y. Zhu, J.J. Key Laboratory of Particle and Radiation Imaging Ministry of Education Department of Engineering Physics Tsinghua University Beijing100084 China Department of Physics Tsinghua University Beijing100084 China Institute of Physics Academia Sinica Taipei11529 Taiwan NUCTECH Company Beijing100084 China YaLong River Hydropower Development Company Chengdu610051 China College of Nuclear Science and Technology Beijing Normal University Beijing100875 China College of Physics Sichuan University Chengdu610065 China School of Physics Peking University Beijing100871 China Department of Nuclear Physics China Institute of Atomic Energy Beijing102413 China Sino-French Institute of Nuclear and Technology Sun Yat-sen University Zhuhai519082 China School of Physics Nankai University Tianjin300071 China Department of Physics Banaras Hindu University Varanasi221005 India Department of Physics Beijing Normal University Beijing100875 China

Dark matter (DM) is a major constituent of the Universe. However, no definite evidence of DM particles (denoted as "χ") has been found in DM direct detection (DD) experiments to date. There is a novel concept of detecting χ from evaporating primordial black holes (PBHs). We search for χ emitted from PBHs by investigating their interaction with target electrons. The examined PBH masses range from 1×1015to 7×1016g under the current limits of PBH abundance fPBH. Using 205.4 kg day data obtained from the CDEX-10 experiment conducted in the China Jinping Underground Laboratory, we exclude the χ-electron (χ-e) elastic-scattering cross section σχe ∼ 5 × 10-29cm2for χ with a mass mχ 0.1 keV from our results. With the higher radiation background but lower energy threshold (160 eV), CDEX-10 fill a part of the gap in the previous work. If (mχ, σχe) can be determined in the future, DD experiments are expected to impose strong constraints on fPBH for large MPBHs. Copyright © 2024, The Authors. All rights reserved.

关键词： Electron scattering

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First Search for Light Fermionic Dark Matter Absorption on Electrons Using Germanium Detector in CDEX-10 Experiment

arXiv

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arXiv 2024年

作者： Liu, J.X. Yang, L.T. Yue, Q. Kang, K.J. Li, Y.J. An, H.P. Greeshma, C. Chang, J.P. Chen, Y.H. Cheng, J.P. Dai, W.H. Deng, Z. Fang, C.H. Geng, X.P. Gong, H. Guo, Q.J. Guo, T. Guo, X.Y. He, L. He, J.R. Hu, J.W. Huang, H.X. Huang, T.C. Jiang, L. Karmakar, S. Li, H.B. Li, H.Y. Li, J.M. Li, J. Li, M.C. Li, Q.Y. Li, R.M.J. Li, X.Q. Li, Y.L. Liang, Y.F. Liao, B. Lin, F.K. Lin, S.T. Liu, S.K. Liu, Y.D. Liu, Y. Liu, Y.Y. Ma, H. Mao, Y.C. Nie, Q.Y. Pan, H. Qi, N.C. Ren, J. Ruan, X.C. Shen, M.B. Singh, M.K. Sun, T.X. Sun, W.L. Tang, C.J. Tian, Y. Wang, G.F. Wang, J.Z. Wang, L. Wang, Q. Wang, Y.F. Wang, Y.X. Wong, H.T. Wu, Y.C. Xing, H.Y. Xiong, K.Z. Xu, R. Xu, Y. Xue, T. Yan, Y.L. Yi, N. Yu, C.X. Yu, H.J. Zeng, M. Zeng, Z. Zhang, B.T. Zhang, F.S. Zhang, L. Zhang, P. Zhang, Z.H. Zhang, Z.Y. Zhao, J.Z. Zhao, K.K. Zhao, M.G. Zhou, J.F. Zhou, Z.Y. Zhu, J.J. Key Laboratory of Particle and Radiation Imaging Ministry of Education Department of Engineering Physics Tsinghua University Beijing100084 China Department of Physics Tsinghua University Beijing100084 China Institute of Physics Academia Sinica Taipei11529 Taiwan NUCTECH Company Beijing100084 China YaLong River Hydropower Development Company Chengdu610051 China College of Nuclear Science and Technology Beijing Normal University Beijing100875 China College of Physics Sichuan University Chengdu610065 China School of Physics Peking University Beijing100871 China Department of Nuclear Physics China Institute of Atomic Energy Beijing102413 China Sino-French Institute of Nuclear and Technology Sun Yat-sen University Zhuhai519082 China School of Physics Nankai University Tianjin300071 China Department of Physics Banaras Hindu University Varanasi221005 India Department of Physics Beijing Normal University Beijing100875 China

We present the first results of the search for sub-MeV fermionic dark matter absorbed by electron targets of Germanium using the 205.4 kg·day data collected by the CDEX-10 experiment, with the analysis threshold of 160 eVee. No significant dark matter (DM) signals over the background are observed. Results are presented as limits on the cross section of DM-electron interaction. We present new constraints of cross section in the DM range of 0.1-10 keV/c2 for vector and axial-vector interaction. The upper limit on the cross section is set to be 5.5 × 10−46 cm2 for vector interaction, and 1.8 × 10−46 cm2 for axial-vector interaction at DM mass of 5 keV/c2 Copyright © 2024, The Authors. All rights reserved.

关键词： Dark Matter

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Design of multi-Sensor Cooperative Detection Architecture Based on Analytic Hierarchy Process

Design of multi-Sensor Cooperative Detection Architecture Ba...

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International Conference on Communication engineering and technology (ICCET)

作者： Kaiyu Li Xinxin Cai Jialei Liu Shuang Huang Yuanbao Chen Wenlin Wang Yang Yu Quanhua Zhu Zhihui Xu Dagui Wang Naval University of Engineering Wuhan Second Ship Design and Research Institute Wuhan China Naval University of Engineering Wuhan China Wuhan Second Ship Design and Research Institute Wuhan China Sino-German College of Intelligent Manufacturing Shenzhen Technology University Shenzhen China Nuclear Power Institute of China Chengdu China China Ship Scientific Research Center Wuxi China State Key Laboratory of Nuclear Power Safety Monitoring Technology and Equipment Shenzhen China School of Mechanical and Electrical Engineering C Anhui Jianzhu University Hefei China

Due to the diversity of information sources, the information provided by a single sensor can no longer meet the needs. Therefore, multi-sensor collaborative detection technology is a hot topic in the current research field. At present, there is no recognized, reasonable and effective method for evaluating the effectiveness of multi-sensor collaborative detection. To solve this problem, this paper will take sonar sensor, magnetic detector and infrared detector as the research object, and propose a multi- sensor collaborative detection architecture based on analytic hierarchy process to provide technical support for multi-sensor collaborative detection technology.

关键词： Infrared detectors Collaboration Sonar Analytic hierarchy process Detectors Magnetic analysis Data communication

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Performance Calibration Study of the Payload Onboard the SVOM Satellite

Performance Calibration Study of the Payload Onboard the SVO...

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International Conference on Electronic Measurement and Instruments, ICEMI

作者： Tao Yu Siming Guo Jiang He Xing Wen Zheng Jiang Xiaoyu Qie Jinjie Wu The College of Nuclear Technology and Automation Engineering Chengdu University of Technology Chengdu China Division of Ionizing Radiation Metrology National Institute of Metrology (NIM) Beijing China Key Laboratory of Particle Astrophysics Institute of High Energy Physics Beijing China School of Science Hebei University of Science and Technology Shijiazhuang China

ISBN: (纸本)9781665444927

The ground-based calibration of the spectrometer onboard the astronomical satellite is extremely basic and important for the payload to complete the detection missions and achieve the scientific goals. With an excellent determination of the responsive relationship such as energy-channel relation, energy resolution, detection efficiency, and the non-uniformity of the detector, the observational data in orbit of the payload can be analyzed effectively and reasonably. The research has implemented the calibration campaign of a NaI(Tl) detector named GRD05, which is the main detector of the gamma-ray monitor (GRM) onboard the Space-based multiband astronomical Variable Objects Monitor(SVOM) satellite, utilizing a single-crystal monochromatic hard X-ray beam with the range of 15–40 keV. According to the data analysis results, the energy response and detection efficiency of the GRD05 are in good agreement with the expected output by Monte Carlo simulations.

关键词： Satellites Monte Carlo methods Instruments Energy resolution Linearity Detectors Orbits

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Search for solar axions by Primakoff effect with the full dataset of the CDEX-1B Experiment

arXiv

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arXiv 2024年

作者： Yang, L.T. Liu, S.K. Yue, Q. Kang, K.J. Li, Y.J. An, H.P. Greeshma, C. Chang, J.P. Chen, Y.H. Cheng, J.P. Dai, W.H. Deng, Z. Fang, C.H. Geng, X.P. Gong, H. Guo, Q.J. Guo, T. Guo, X.Y. He, L. He, J.R. Hu, J.W. Huang, H.X. Huang, T.C. Jiang, L. Karmakar, S. Li, H.B. Li, H.Y. Li, J.M. Li, J. Li, M.C. Li, Q.Y. Li, R.M.J. Li, X.Q. Li, Y.L. Liang, Y.F. Liao, B. Lin, F.K. Lin, S.T. Liu, J.X. Liu, Y.D. Liu, Y. Liu, Y.Y. Ma, H. Mao, Y.C. Nie, Q.Y. Pan, H. Qi, N.C. Ren, J. Ruan, X.C. Shen, M.B. Singh, M.K. Sun, T.X. Sun, W.L. Tang, C.J. Tian, Y. Wang, G.F. Wang, J.Z. Wang, L. Wang, Q. Wang, Y.F. Wang, Y.X. Wong, H.T. Wu, Y.C. Xing, H.Y. Xiong, K.Z. Xu, R. Xu, Y. Xue, T. Yan, Y.L. Yi, N. Yu, C.X. Yu, H.J. Zeng, M. Zeng, Z. Zhang, B.T. Zhang, F.S. Zhang, L. Zhang, P. Zhang, Z.H. Zhang, Z.Y. Zhao, J.Z. Zhao, K.K. Zhao, M.G. Zhou, J.F. Zhou, Z.Y. Zhu, J.J. Department of Engineering Physics Tsinghua University Beijing100084 China College of Physics Sichuan University Chengdu610065 China Department of Physics Tsinghua University Beijing100084 China Institute of Physics Academia Sinica Taipei11529 Taiwan NUCTECH Company Beijing100084 China YaLong River Hydropower Development Company Chengdu610051 China College of Nuclear Science and Technology Beijing Normal University Beijing100875 China School of Physics Peking University Beijing100871 China Department of Nuclear Physics China Institute of Atomic Energy Beijing102413 China Sino-French Institute of Nuclear and Technology Sun Yat-sen University Zhuhai519082 China School of Physics Nankai University Tianjin300071 China Department of Physics Banaras Hindu University Varanasi221005 India Department of Physics Beijing Normal University Beijing100875 China

We present the first limit on gAγ coupling constant using the Bragg-Primakoff conversion based on an exposure of 1107.5 kg days of data from the CDEX-1B experiment at the China Jinping Underground Laboratory. The data are consistent with the null signal hypothesis, and no excess signals are observed. Limits of the coupling gAγ −9 GeV−1 (95% C.L.) are derived for axions with mass up to 100 eV/c2. Within the hadronic model of KSVZ, our results exclude axion mass > 5.3 eV/c2 at 95% C.L. Copyright © 2024, The Authors. All rights reserved.

关键词： Germanium alloys

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Sub-Picosecond-Level Laser-Based Underwater Transfer of Radio Frequency with Optical Phase Compensation 20

Sub-Picosecond-Level Laser-Based Underwater Transfer of Radi...

引用

20th IEEE International Conference on Communication technology, ICCT 2020

作者： Pan, Bisong Li, Haopengyu Hou, Dong Zhao, Jianye Univ. of Electronic Science and Technology of China School of Automation Engineering Chengdu China Peking University College of Elec. Engineering and Computer Science Beijing China

ISBN: (纸本)9781728181417

We demonstrated a sub-picosecond laser-based underwater frequency transfer with an optical phase compensation. With this transfer technique, a highly-stable 500 MHz radio-frequency (RF) signal was disseminated over a 5-m underwater link for 5000 s, and the characteristic of the timing fluctuation and instability for the transfer was analyzed and measured. The experimental results show the total root-mean-square (RMS) timing fluctuation of the transferred RF signal with compensation is about 162 fs with a fractional frequency instability on the order of 2.8 × 10-13 at 1 s and 2.7 × 10-16 at 1000 s. The laser-based underwater frequency transfer proposed in this paper has a potential application of transferring atomic clock in water environment as its instability is less than the currently-used commercial Cs or H-master clocks. © 2020 IEEE.

关键词： Stability

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CEPC Technical Design Report

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Radiation Detection technology and Methods 2024年第1期8卷 I0003-I0016,1-1091页

作者： Waleed Abdallah Tiago Carlos Adorno de Freitas Konstantin Afanaciev Shakeel Ahmad Ijaz Ahmed Xiaocong Ai Abid Aleem Wolfgang Altmannshofer Fabio Alves Weiming An Rui An Daniele Paolo Anderle Stefan Antusch Yasuo Arai Andrej Arbuzov Abdesslam Arhrib Mustafa Ashry Sha Bai Yu Bai Yang Bai Vipul Bairathi Csaba Balazs Philip Bambade Yong Ban Tripamo Bandyopadhyay Shou-Shan Bao Desmond P.Barber Ayse Bat Varvara Batozskaya Subash Chandra Behera Alexander Belyaev Michele Bertucci Xiao-Jun Bi Yuanjie Bi Tianjian Bian Fabrizio Bianchi Thomas Biekotter Michela Biglietti Shalva Bilanishvili Deng Binglin Denis Bodrov Anton Bogomyagkov Serge Bondarenko Stewart Boogert Maarten Boonekamp Marcello Borri Angelo Bosotti Vincent Boudry Mohammed Boukidi Igor Boyko Ivanka Bozovic Giuseppe Bozzi Jean-Claude Brient Anastasiia Budzinskaya Masroor Bukhari Vladimir Bytev Giacomo Cacciapaglia Hua Cai Wenyong Cai Wujun Cai Yijian Cai Yizhou Cai Yuchen Cai Haiying Cai Huacheng Cai Lorenzo Calibbi Junsong Cang Guofu Cao Jianshe Cao Antoine Chance Xuejun Chang Yue Chang Zhe Chang Xinyuan Chang Wei Chao Auttakit Chatrabhuti Yimin Che Yuzhi Che Bin Chen Danping Chen Fuqing Chen Fusan Chen Gang Chen Guoming Chen Hua-Xing Chen Huirun Chen Jinhui Chen Ji-Yuan Chen Kai Chen Mali Chen Mingjun Chen Mingshui Chen Ning Chen Shanhong Chen Shanzhen Chen Shao-Long Chen Shaomin Chen Shiqiang Chen Tianlu Chen Wei Chen Xiang Chen Xiaoyu Chen Xin Chen Xun Chen Xurong Chen Ye Chen Ying Chen Yukai Chen Zelin Chen Zilin Chen Gang Chen Boping Chen Chunhui Chen Hok Chuen Cheng Huajie Cheng Shan Cheng Tongguang Cheng Yunlong Chi Pietro Chimenti Wen Han Chiu Guk Cho Ming-Chung Chu Xiaotong Chu Ziliang Chu Guglielmo Coloretti Andreas Crivellin Hanhua Cui Xiaohao Cui Zhaoyuan Cui Brunella D'Anzi Ling-Yun Dai Xinchen Dai Xuwen Dai Antonio De Maria Nicola De Filippis Christophe De La Taille Francesca De Mori Chiara De Sio Elisa Del Core Shuangxue Deng Wei-Tian Deng Zhi Deng Ziyan Deng Bhupal Dev Tang Dewen Biagio Di Micco Ran Ding Siqin Dingl Yadong Ding Haiyi Dong Jianin AGH University of Science and Technology Faculty of Physics and Applied Computer ScienceKrakow Anhui University HefeiAnhui Applied Physics Department Federal Urdu University of ArtsScience and TechnologyIslamabad Banaras Hindu University Institute of ScienceVaranasi Bandirma Onyedi Eylul University Bandirma Beihang University Beijing Beijing Computational Science Research Center Beijing Beijing Conveyi LTD Beijing Beijing Glass Research Institute Co. LtdBeijing Beijing Institute of Technology Beijing Beijing Normal University Beijing Brown University ProvidenceRI Budker Institute of Nuclear Physics Novosibirsk Cadi Ayyad University Laboratory of Fundamental and Applied PhysicsPolydisciplinary FacultyMarrakech Cairo University Giza Center for Theory and Computation National Tsing Hua UniversityHsinchu Central China Normal University WuhanHubei Central South University ChangshaHunan Centro de Fisica Teorica de Particulas Universidade Tecnica de LisboaLisboa Chengdu KaitengSifang Digital Radio&TV Equipment Co. LtdChengduSichuan China academy of engineering physics MianyangSichuan China building materials academy Beijing China Center of Advanced Science and Technology Beijing China Institute of Atomic Energy Beijing China Jiliang University HangzhouZhejiang China Nuclear Instrument CO. LTDBeijing China University of Geosciences Beijing China University of Geosciences WuhanHubei China University of Mining and Technology XuzhouJiangsu China West Normal University NanchongSichuan Chongqing University Department of PhysicsChongqing Chulalongkorn University Bangkok City University of Hong Kong Department of PhysicsHong Kong Cockcroft Institute Daresbury Cornell University IthacaNY CPPM(AMU/IPhU&CNRS/INP) Marseille Dalian Minzu University DalianLiaoning Dalian University of Technology Department of PhysicsDalian Deutsches Elektronen-Synchrotron DESY Hamburg Dzhelepov Laboratory of Nuclear Problems of Joint Institute for Nuclear Research(DLNP JINR) Dubna East China University Of Science And Technol

The Circular Electron Positron Collider(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 Damping Ring,a Booster capable of achieving energies up to 180 GeV,and a Collider operating at varying energy modes(Z,W,H,and tt).The Linac and Damping Ring are situated on the surface,while the subterranean Booster and Collider are housed in a 100 km circumference underground tunnel,strategically accommodating future expansion with provisions for a potential Super Proton Proton Collider(SPPC).The CEPC primarily serves as a Higgs *** its baseline design with synchrotron radiation(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 decade,producing 2.6 million Higgs *** the SR power to 50 MW per beam expands the CEPC's capability to generate 4.3 million Higgs bosons,facilitating precise measurements of Higgs coupling at sub-percent levels,exceeding the precision expected from the HL-LHC by an order of *** Technical Design Report(TDR)follows the Preliminary Conceptual Design Report(Pre-CDR,2015)and the Conceptual Design Report(CDR,2018),comprehensively detailing the machine's layout,performance metrics,physical design and analysis,technical systems design,R&D and prototyping efforts,and associated civil engineering ***,it includes a cost estimate and a preliminary construction timeline,establishing a framework for forthcoming engineering design phase and site selection *** is anticipated to begin around 2027-2028,pending government approval,with an estimated duration of 8 *** commencement of experiments and data collection could potentially be initiated in the mid-2030s.

关键词： initiated exceeding precise

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