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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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The corrosion behavior of Ti-6Al-3Nb-2Zr-1Mo alloy:Effects of HCl concentration and temperature

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Journal of materials science & technology 2021年第15期74卷 143-154页

作者： Baoxian Su Binbin Wang liangshun Luo liang Wang Yanqing Su fuxin Wang Yanjin Xu Baoshuai Han Haiguang huang Jingjie guo Hengzhi fu National Key Laboratory for Precision Hot Processing of Metals School of Materials Science and EngineeringHarbin Institute of TechnologyHarbin.150001China Department of materials Application Research AVIC Manufacturing Technology InstituteBeijing100024China school of materials science and Engineering.Kunming university of science and technology Kunming650093China Yunnan Titanium Industry Co. Ltd.Chuxiong651209China

Investigation about the corrosion behavior of Ti alloys in different ambient environment is of great significance for their practical ***,we systematically investigate the corrosion behavior of a newfound Ti-6 Al-3 Nb-2 Zr-1 Mo(Ti80)alloy in hydrochloric acid(HCl)ranging from 1.37 to 7 M,and temperature ranging from 25 to 55℃,by means of electrochemical measurements,static immersion tests and surface *** manifest that increasing either HCl concentration or temperature can accelerate the corrosion of Ti80 alloy via promoting the breakdown of native protective oxide film and then further facilitating the active dissolution of Ti80 *** to potentiodynamic polarization curves,Ti80 alloy displays a spontaneous passive behavior in 1.37 M HCl at 25℃,compared to a typical active-passive behavior under the other *** indicated by cathodic Tafel slope,the rate determining step for cathodic hydrogen evolution reaction is likely the discharge reaction *** apparent activation energies obtained from corrosion current density and maximum anodic current density for Ti80 alloy in 5 M HCl solution are 62.4 and 55.6 kJ mol-1,respectively,which signifies that the rate determining step in the corrosion process of Ti80 alloy is mainly determined by surface-chemical reaction rather than ***,the electrochemical impedance spectroscopy tests demonstrate that a stable and compact oxide film exists in 1.37 M HCl at 25℃,whereas a porous corrosion product film forms under the other ***,the critical HCl concentration at which Ti80 alloy can maintain passivation at 25℃can be determined as a value between 1.37 and 3 ***,the corroded surface morphology characterization reveals that equiaxedαphase is more susceptible to corrosion compared to intergranularβphase due to a lower content of Nb,Mo,and Zr in the former.

关键词： Titanium alloys Electrochemical techniques Weight loss Corrosion behavior

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Al-5.87Zn-2.07Mg-2.42Cu合金形变热处理过程的组织与性能演变

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湖南有色金属 2018年第3期34卷 42-46页

作者：朱世安李耀项胜前彭小燕黄继武徐国富广东豪美新材股份有限公司广东清远511500 中南大学材料科学与工程学院湖南长沙410083

通过维氏硬度试验、力学性能试验以及透射电镜观察,研究了Al-5.87Zn-2.07Mg-2.42Cu合金在最终形变热处理(固溶—预时效—变形—终时效)过程中的组织演变和力学性能,并优化出最适宜的工艺制度。结果表明,Al-5.87Zn-2.07Mg-2.42Cu合金最... 详细信息

通过维氏硬度试验、力学性能试验以及透射电镜观察,研究了Al-5.87Zn-2.07Mg-2.42Cu合金在最终形变热处理(固溶—预时效—变形—终时效)过程中的组织演变和力学性能,并优化出最适宜的工艺制度。结果表明,Al-5.87Zn-2.07Mg-2.42Cu合金最适宜的形变热处理工艺为480℃/1 h+100℃/8 h+30%+120℃/10 h。100℃/8 h预时效处理后,合金基体内弥散析出大量细小的沉淀相。经30%冷变形引入位错后进行120℃/10 h终时效处理,析出相数量增多且尺寸增大。最终形变热处理后合金的硬度、抗拉强度和屈服强度分别为200 HV、645 MPa和621MPa,分别比T6态合金的增加了19 HV、67 MPa和110 MPa。

关键词： Al-5.87Zn-2.07Mg-2.42Cu合金形变热处理显微组织力学性能

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Zr/(Sc+Zr)微合金化对Al-Mg合金在热压缩变形中动态再结晶、位错密度和热加工性能的影响

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Transactions of Nonferrous Metals Society of china 2023年第3期33卷 668-682页

作者：邓英朱鑫文赖毅郭一帆傅乐徐国富黄继武中南大学材料科学与工程学院长沙410083 中南大学有色金属材料科学与工程湖南省重点实验室长沙410083 Applied materials science Department of Engineering ScienceUppsala UniversityUppsala75121Sweden

采用热压缩试验和电子显微分析方法研究Al-6.00Mg、Al-6.00Mg-0.10Zr和Al-6.00Mg-0.25Sc-0.10Zr (质量分数,%)合金的变形行为和显微组织特征。结果表明,在最大加工效率条件(673 K,0.01 s^(-1))下变形时,Al-6.00Mg、Al-6.00Mg-0.10Zr和Al-6.00Mg-0.25Sc-0.10Zr合金的位错密度分别为2.68×10^(16)、8.93×10^(16)和6.1×10^(17)m^(-2);其动态再结晶分数分别为19.8%、15.0%和12.7%。中心点平均取向差(KAM)分析表明,通过添加Zr或Sc+Zr,Al-Mg合金晶界附近的位错密度增加。此外,基于动态材料模型(DMM)建立的热加工图表明,添加Zr或Sc+Zr能减小Al-Mg合金的低温不稳定域的范围,但会增大高温和高应变不稳定域的范围。实验结果进一步证明,在变形条件下,仅Al-6.00Mg-0.25Sc-0.10Zr合金在773 K和1 s^(-1)时开裂。

关键词： Al-Mg合金 Sc Zr 热变形位错密度动态再结晶

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functional Mechanism of Moxibustion and Its Enlightenment to Design and Manufacture of Moxibustion Apparatus

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Journal of Acupuncture and Tuina science 2010年第5期8卷 323-327页

作者：钟力炜章家福苑洁周春燕邓琦林 No.1 People's Hospital Affiliated to Shanghai Jiaotong university Shanghai 200080 P. R. China school of Mechanical Engineering Shanghai Jiaotong University Shanghai 200240 E R. China

Objective： To explore the functional mechanism of moxibustion and its enlightenment to the design and manufacture of moxibustion apparatus. Methods： The functional mechanism of moxibustion is explored from its pharmaceutical properties, warming stimulation, spectrum, radiation features, and penetrating effects of moxa products. Result： The mechanism of moxibustion is a combined action of moxa＇ medicinal properties, warming effect and non-thermal effect. Conclusion： It is necessary to combine with the functional mechanism to design and manufacture moxibustion apparatus.

关键词： Moxibustion Therapy Moxibustion materials Moxa

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Al_(3)(Sc_(1-x)Zr_(x))纳米粒子对搅拌摩擦焊Al-Mg-Mn合金显微组织和力学性能的影响

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Transactions of Nonferrous Metals Society of china 2023年第1期33卷 25-35页

作者：朱鑫文邓英赖毅郭一帆杨子昂傅乐徐国富黄继武中南大学材料科学与工程学院长沙410083 中南大学粉末冶金国家重点实验室长沙410083 Applied materials science Department of Engineering ScienceUppsala UniversityUppsala 75121Sweden

通过拉伸测试和显微分析方法研究搅拌摩擦焊Al-5.50Mg-0.45Mn和Al-5.50Mg-0.45Mn-0.25Sc-0.10Zr(质量分数,%)合金的显微组织和力学性能。结果表明,Al-Mg-Mn接头的屈服强度、抗拉强度和伸长率分别为(191±3)MPa、(315±1)MPa和(4.8±1.9)%,Al-Mg-Mn-Sc-Zr接头的分别为(288±5)MPa、(391±2)MPa和(3.4±1.0)%。相比Al-Mg-Mn接头,Al-Mg-Mn-Sc-Zr接头晶粒更细小、平均取向差角更低、小角度晶界百分数更高。两种接头的断裂位置均位于焊核区(WNZ),在该“最薄弱微区”内,Al_(3)(Sc_(1-x)Zr_(x))纳米粒子的平均尺寸为(9.92±2.69)nm,可提供有效奥罗万和晶界强化,使Al-Mg-Mn接头的屈服强度提高97 MPa。

关键词：铝合金强度搅拌摩擦焊纳米粒子显微组织

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A Search for Solar Axions and Anomalous Neutrino Magnetic Moment with the Complete Panda X-Ⅱ Data

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Chinese Physics Letters 2021年第1期38卷 30-34页

作者： Xiaopeng Zhou Xinning Zeng Xuyang Ning Abdusalam Abdukerim Wei Chen Xun Chen Yunhua Chen Chen Cheng Xiangyi Cui Yingjie Fan Deqing Fang Changbo fu Mengting fu lisheng Geng Karl Giboni linhui Gu Xuyuan guo Ke Han Changda He Di huang Yan huang Yanlin huang Zhou huang Xiangdong Ji Yonglin Ju Shuaijie li Huaxuan liu Jianglai liu Xiaoying Lu Wenbo Ma Yugang Ma Yajun Mao Yue Meng Kaixiang Ni Jinhua Ning Xiangxiang Ren Changsong Shang guofang Shen lin Si Andi Tan Anqing Wang Hongwei Wang Meng Wang Qiuhong Wang Siguang Wang Wei Wang Xiuli Wang Zhou Wang Mengmeng Wu Shiyong Wu Weihao Wu Jingkai Xia Mengjiao Xiao Pengwei Xie Binbin Yan Jijun Yang Yong Yang Chunxu Yu Jumin Yuan Ying Yuan Dan Zhang Tao Zhang li Zhao Qibin Zheng Jifang Zhou Ning Zhou INPAC School of Physics and AstronomyShanghai Jiao Tong Universityand Shanghai Key Laboratory for Particle Physics and CosmologyShanghai 200240China school of Physics Beihang UniversityBeijing 100191China Shanghai Jiao Tong university Sichuan Research Institute Chengdu 610213China Yalong River Hydropower Development Company Ltd.288 Shuanglin RoadChengdu 610051China school of Physics Sun Yat-Sen UniversityGuangzhou 510275China Tsung-Dao Lee Institute Shanghai Jiao Tong UniversityShanghai 200240China school of Physics Nankai UniversityTianjin 300071China Key Laboratory of Nuclear Physics and Ion-Beam Application(MOE) Institute of Modern PhysicsFudan UniversityShanghai 200433China school of Physics Peking UniversityBeijing 100871China International Research Center for Nuclei and Particles in the Cosmos&Beijing Key Laboratory of Advanced Nuclear materials and Physics Beihang UniversityBeijing 100191China school of Medical Instrument and Food Engineering University of Shanghai for Science and TechnologyShanghai 200093China Department of Physics University of MarylandCollege ParkMaryland 20742USA school of Mechanical Engineering Shanghai Jiao Tong UniversityShanghai 200240China school of Physics and Key Laboratory of Particle Physics and Particle Irradiation(MOE) Shandong UniversityJinan 250100China Shanghai Institute of Applied Physics Chinese Academy of SciencesShanghai 201800China Shanghai Advanced Research Institute Chinese Academy of SciencesShanghai 201210China Center for High Energy Physics Peking UniversityBeijing 100871China

We report a search for new physics signals using the low energy electron recoil events in the complete data set from PandaX-Ⅱ,in light of the recent event excess reported by XENON1 *** data correspond to a total exposure of 100.7 ton·day with liquid *** robust estimates of the dominant background spectra,we perform sensitive searches on solar axions and neutrinos with enhanced magnetic *** is found that the axionelectron coupling gAe10^(-12) for an axion mass less than 0.1 keV/c^(2) and the neutrino magnetic moment μv10^(-11)μB at 90%confidence *** observed excess from XENON1 T is within our experimental constraints.

关键词： moment. excess estimates

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累积叠轧工艺对AZ63镁合金耐蚀性能的影响

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塑性工程学报 2019年第6期26卷 90-97页

作者：于孟华郭俊卿陈拂晓皇涛钟时雨河南科技大学材料科学与工程学院河南洛阳471023 有色金属新材料与先进加工技术省部共建协同创新中心河南洛阳471023 成都银河动力有限公司四川成都610000

采用累积叠轧ARB工艺对AZ63镁合金板材在400℃下进行了5个道次剧塑性变形,通过析氢实验、失重实验、电化学实验和腐蚀形貌观察研究了经过累积叠轧工艺后AZ63镁合金板材在3.5%(质量分数)Na Cl溶液中的腐蚀行为。结果表明,随着累积叠轧道... 详细信息

采用累积叠轧ARB工艺对AZ63镁合金板材在400℃下进行了5个道次剧塑性变形,通过析氢实验、失重实验、电化学实验和腐蚀形貌观察研究了经过累积叠轧工艺后AZ63镁合金板材在3.5%(质量分数)Na Cl溶液中的腐蚀行为。结果表明,随着累积叠轧道次的增加,AZ63镁合金发生动态再结晶,晶粒得以显著细化和均匀化;ARB4后的镁合金板材晶粒最为细小、均匀(约10μm),ARB5后有晶粒部分长大的现象。累积叠轧后的AZ63镁合金的耐蚀性能得以提高,其中轧制4个道次后耐腐蚀性能最好,失重速率为47.4672 mg·cm-2·h-1,自腐蚀电位为-1.3350 V,自腐蚀电流密度为1.0 A·cm-2,腐蚀行为由严重的全面、均匀腐蚀转变为局部腐蚀。

关键词： AZ63镁合金累积叠轧微观组织耐蚀性能

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LA91超塑性变形力学性能研究

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塑性工程学报 2018年第4期25卷 167-172页

作者：宋昊飞郭俊卿皇涛詹梅颜炎陈拂晓河南科技大学材料科学与工程学院河南洛阳471023 河南省有色金属材料国际联合实验室河南洛阳471023 西北工业大学材料科学与工程学院凝固技术国家重点实验室陕西西安710072 有色金属共性技术河南省协同创新中心河南洛阳471023

以LA91双相镁锂合金板材为研究对象,在不同温度（423、473、523、573和623 K）、不同应变速率（5×10-4、1.5×10^（-3）、4.5×10^（-3）和1.35×10-2s^（-1））条件下进行超塑性拉伸试验。结合真应力-应变曲线分析LA91超塑性变形行为... 详细信息

以LA91双相镁锂合金板材为研究对象,在不同温度（423、473、523、573和623 K）、不同应变速率（5×10-4、1.5×10^（-3）、4.5×10^（-3）和1.35×10-2s^（-1））条件下进行超塑性拉伸试验。结合真应力-应变曲线分析LA91超塑性变形行为。结果表明,提高变形温度或降低应变速率,LA91的伸长率增大,流变峰值应力减小,从250 MPa降至30 MPa。其中,在初始应变速率为1.5×10^（-3）s^（-1）、变形温度为623 K条件下伸长率最大为187.04%,具有明显的超塑性特征。基于超塑性本构方程得LA91的应变速率敏感指数为0.41,变形激活能为92.93 k J·mol^（-1）,其超塑性变形机制为晶界扩散控制的晶界滑动。研究结果为LA91双相镁锂合金板材的塑性加工与应用提供了科学依据。

关键词：镁锂合金超塑性激活能变形机制

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Electron-ion collider in china

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Frontiers of physics 2021年第6期16卷 1-78页

作者： Daniele PAnderle Valerio Bertone Xu Cao Lei Chang Ningbo Chang Gu Chen Xurong Chen Zhuojun Chen Zhufang Cui lingyun Dai Weitian Deng Minghui Ding Xu Feng Chang Gong Longcheng Gui Feng-Kun guo Chengdong Han Jun He Tie-Jiun Hou Hongxia huang Yin huang KrešImir KumeričKi LPKaptari Demin li Hengne li Minxiang li Xueqian li Yutie liang Zuotang liang Chen liu Chuan liu guoming liu jie liu liuming liu Xiang liu Tianbo liu Xiaofeng Luo Zhun Lyu Boqiang Ma fu Ma Jianping Ma Yugang Ma lijun Mao Cédric Mezrag HervéMoutarde Jialun Ping Sixue Qin Hang Ren Craig DRoberts Juan Rojo guodong Shen Chao Shi Qintao Song Hao Sun PawełSznajder Enke Wang Fan Wang Qian Wang Rong Wang Ruiru Wang Taofeng Wang Wei Wang Xiaoyu Wang Xiaoyun Wang Jiajun Wu Xinggang Wu Lei Xia Bowen Xiao guoqing Xiao Ju-Jun Xie Yaping Xie Hongxi Xing Hushan Xu Nu Xu Shusheng Xu Mengshi Yan Wenbiao Yan Wencheng Yan Xinhu Yan Jiancheng Yang Yi-Bo Yang Zhi Yang Deliang Yao Zhihong Ye Peilin Yin C-PYuan Wenlong Zhan Jianhui Zhang Jinlong Zhang Pengming Zhang Yifei Zhang Chao-Hsi Chang Zhenyu Zhang Hongwei Zhao Kuang-Ta Chao Qiang Zhao Yuxiang Zhao Zhengguo Zhao liang Zheng Jian Zhou Xiang Zhou Xiaorong Zhou Bingsong Zou liping Zou Guangdong Provincial Key Laboratory of Nuclear science Institute of Quantum MatterSouth China Normal UniversityGuangzhou 510006China IRfu CEAUniversitéParis-SaclayF-91191 Gif-sur-YvetteFrance Institute of Modern Physics Chinese Academy of SciencesLanzhou 730000China university of Chinese Academy of sciences Beijing 100049China Nankai university Tianjin 300071China Xinyang Normal university Xinyang 464000China school of Physics and materials science Guangzhou UniversityGuangzhou 510006China Hunan university Changsha 410082China Nanjing university Nanjing 210093China Huazhong university of science and technology Wuhan 430074China European Centre for Theoretical Studies in Nuclear Physics and Related Areas(ECT*)and Fondazione Bruno Kessler Villa TambosiStrada delle Tabarelle 286I-38123 Villazzano(TN)Italy school of Physics Peking UniversityBeijing 100871China Hunan Normal university Changsha 410081China Institute of Theoretical Physics Chinese Academy of SciencesBeijing 100190China Nanjing Normal university Nanjing 210023China Department of Physics College of SciencesNortheastern UniversityShenyang 110819China Southwest Jiaotong university Chengdu 610000China Department of Physics Faculty of ScienceUniversity of ZagrebBijenička c.3210000 ZagrebCroatia Bogoliubov Laboratory of Theoretical Physics Joint Institute for Nuclear ResearchDubna 141980Russia school of Physics and Microelectronics Zhengzhou UniversityZhengzhou 450001China Lanzhou university Lanzhou 730000China Key Laboratory of Particle Physics and Particle Irradiation(MOE) Shandong UniversityQingdao 266237China Key Laboratory of Quark and Lepton Physics(MOE)and Institute of Particle Physics Central China Normal UniversityWuhan 430079China school of Physics Southeast UniversityNanjing 211189China Key Laboratory of Nuclear Physics and Ion-beam Application(MOE) Institute of Modern PhysicsFudan UniversityShanghai 200433China Shanghai Institute of Applied Physics Chinese Academy of SciencesShanghai 201800China Depa

Lepton scattering is an established ideal tool for studying inner structure of small particles such as nucleons as well as *** a future high energy nuclear physics project,an Electron-ion collider in china(EicC)has been *** will be constructed based on an upgraded heavy-ion accelerator,High Intensity heavy-ion Accelerator Facility(HIAF)which is currently under construction,together with a new electron *** proposed collider will provide highly polarized electrons(with a po-larization of 80%)and protons(with a polarization of 70%)with variable center of mass energies from 15 to 20 GeV and the luminosity of(2–3)×1033 cm^(−2)·s^(−1).Polarized deuterons and Helium-3,as well as unpolarized ion beams from Carbon to Uranium,will be also available at the *** main foci of the EicC will be precision measurements of the structure of the nucleon in the sea quark region,including 3D tomography of nucleon;the partonic structure of nuclei and the parton interaction with the nuclear environment;the exotic states,especially those with heavy flavor quark *** addition,issues fundamental to understanding the origin of mass could be addressed by measurements of heavy quarkonia near-threshold production at the *** order to achieve the above-mentioned physics goals,a hermetical detector system will be constructed with cutting-edge *** document is the result of collective contributions and valuable inputs from experts across the *** EicC physics program complements the ongoing scientific programs at the Jefferson Laboratory and the future EIC project in the United *** success of this project will also advance both nuclear and particle physics as well as accelerator and detector technology in china.

关键词： electron ion collider nucleon structure nucleon mass exotic hadronic states quantum chromodynamics 3D-tomography helicity transverse momentum dependent parton distribution generalized parton distribution energy recovery linac polarization spin rotator

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