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                【学术预告】Exploring the Infinitive Small with Particle Accelerator


                报告专家:赵政国 中国科学院院士



                报告摘要:Particle physics is to find out answers to the questions: what are the fundamental building blocks of our universe, and how do they interact with each other? For the most basic inquiries into the dynamics and structure of matter, space, and time, we seek the simplest kinds of interactions at the highest possible energies. These typically entail particles having high energy and the interactions of the simplest kinds of particles: leptons, quarks and field quanta with size down to 10^{-17} m.

                This presentation is to briefly introduce the Standard Model picture of the elementary particle physics, and how we use cutting edge technology to build big facilities like particle accelerator and particle detector to discover any as yet unobserved constituents that carry information of the early history, the rules governing the interaction among them, and the nature of the space and time in which they reside. Large Hadron Collider (LHC) and Beijing Electron Positron Collider will be used as examples to review their highlighted results that related to the key science questions. Prospect on the future program of particle physics with accelerators will be discussed.


                赵政国,中国科学院院士,中国科学技术大学近代物理系教授,博士生导师。长期从事粒子物理实验研究。全面负责BES实验和τ-粲物理的研究,轻强子谱学、粲偶素物理和粲物理方面做出了重要的贡献,“ψ(2S)及其它粲夸克偶素物理研究”获2000年中科院自然科学一等奖,2001年国家自然科㊣ 学二等奖。1998年获得国家杰出青年基金资助。1998年-2001年,在BES主持完成了R值︼测量课题,将2-5GeV能区的R值精度提高2-3倍。测量结果已被邀请在三十多个重要国际会议上报告,受到高度评价。在PRL上发表的两篇与R值测量相关的论文,其引用率在SLAC数据库中被标记为“Top Citation”。1999年至2001年,作为BES国际合作组发言人,完成了5800万J/psi事例的获取,为世界上最大样本。组织完成了第一版本“BESIII and its physics goal”设计报告。作为第一获奖∑人获得2002年北京市科学技术一等奖、2003年中国科学院杰出科学成就奖和2005年国家自然科学二等奖。2001年获得中国科学院杰出青年科学家称号。2013年当选中国科学院院士。

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