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Abstract：
Neutrons are neutral.When used as a probe to study materials they have great advantage in large penetration, isotopic discrimination and great sensitivity for light elements. Neutron scattering techniqueshave made undisputed important contributions to the structure and dynamics of materials in many different scientific fields. In addition to its use in material studies, neutrons have profound applications in the study of particle physics, cosmology and astrophysics. In this talk I will start with brief introduction of neutron sources, followed by the background, history, applications of fundamental neutron physics. Specifically, I’ll discuss several experiments including neutron EDM, neutron Lifetime and Hadronic weak interaction experiments. Time violation experiments will also be briefly introduced.
Biography：
Xin Tong, Senior Scientist with Institute of High Energy Physics and Professor of University of Chinese Academy of Sciences. Dr. Tong obtained his Ph.D in physics from Indiana University in 2008. For the next 10 years he worked in both the reactor and spallation neutron sources at the Oak Ridge National Laboratory. In 2018 he joined the Institute of High Energy Physics and the China Spallation Neutron Source, heading the polarized neutron and sample environment group. He has worked in the field of polarized neutrons for more than 15 years, covering fields in atomic physics, neutron physics, condensed matter physics and fundamental neutron physics. He has received several Significant Event Awards from ORNL, and he is one of the two recipients of the 2019-2020 Li Foundation Heritage Prize for “Scholarly Development”. In 2020 as the chief scientist he’s funded by the National Key Research and Development Project.