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Abstract:
Proton accelerator is one of main particle accelerator types, and has been the highest energy accelerators in accelerator history. Nowadays it continues to play fundamental roles in wide research frontiers. This seminar briefly retrospects the history of proton accelerators, and mainly introduces the roles of different proton accelerators in different fields, including particle physics, nuclear physics and being multidisciplinary research platforms. In particle physics, for energy frontier research, colliders such as LHC, FCC-hh and SPPC as well Muon Collider that employs a proton driver are key facilities; for intensity frontier research, neutrino physics and muon physics that are based on high-power proton accelerators are core research directions. In nuclear physics, high-intensity proton and heavy-ion accelerators are key in producing radioactive ion beams; neutron physics and some precision measurements such nEDM, neutron lifetime and neutron induced CP violation reply on high-flux neutron sources by high-power proton accelerators. For large multidisciplinary research platforms such as spallation neutron sources and muon sources, their performances are highly dependent on their proton accelerators. There, neutron scattering techniques and mSR (muon spin relaxation, rotation and resonance) techniques are widely used in material science, condensed matter science, biology, chemistry etc. The development of proton accelerators in China and their roles in frontier research will also be introduced.
Biography：
PhD in physics. Professor of physics in University of Science and Technology of China (USTC) since October 2022. Bachelor in 1984 from USTC, Master and PhD in 1984-1990 from Institute of Modern Physics (IMP), CAS. Long-time work experience in France and Germany; researcher in IMP in 1993-2001 (professor in 1997); researcher in Institute of High Energy Physics (IHEP), CAS, and jointly appointed professor in University of Chinese Academy of Science (UCAS), from 2004 to September 2022. Special Allowance of the State Council in 1998. Coordinator of Accelerator Physics Division, International Organization of Chinese Physicists and Astronomers (OCPA) since 2011. Members of several international academic organizations, project coordination committees, and conference series organization committees. Research fields: physics of beams, accelerator technology and particle beam applications. As core members, participated in the design, construction and operation of several large accelerator facilities. Initiated and promoted beam expansion applications at China Spallation Neutron Source (CSNS), including a white neutron source (Back-n), a muon source (EMuS) and proton beam endstations. Leading the construction of the Back-n facility and spokesman of the Back-n collaboration for experimental studies. Leading the study of China’s neutrino beam facility - MOMENT and the collaboration of IHEP with international projects on neutrino and muon (LBNF, MICE and Muon Collider). Leading the study of the Super Proton-Proton Collider in the CEPC-SPPC project. Project leaders of major national projects such as National Key Research and Development Program (MOST), National R&D Program for Major Research Instruments and Key Programs (NSFC).
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