Essay On New Physics - 732 Words

Research Statement Zhen Liu What is the (next accessible) scale of new physics? We do not have a clear answer. We are living through a challenging and exciting era, in sharp contrast to the situation of the past (half) century in physics. The discovery of the Higgs boson, the determination of the non-zero ÃŽ ¸13 neutrino mixing parameter, the first detection of gravitation waves, and many greatly improved experimental probes for new physics beyond the standard model mark the great triumphs of our understandings of nature. Profound puzzles of nature, such as hierarchy problem, dark matter, neutrino properties, matter-antimatter asymmetry, strong CP, flavor structure, etc., are actively being explored but yet remain to be solved. However, no†¦show more content†¦Currently, I have been working on the intriguing potential for new physics through novel on-shell interference effects between signals and background at different scales to probe BSM physics, and exotic long-lived particle signatures at the LHC. Given the long-term planning 1 Research Statement Zhen Liu September 2017 necessary for next-generation experiments and the exciting journey ahead of particle physics, I have been working on physics cases for various future collider scenarios, including the ILC, CEPC, FCC-ee and a muon collider. As an active junior member of the community, I also have been contributing to various community reports, including the 2013 Snowmass reports and recent Higgs Yellow report and currently involved in the writing of the long-lived particle white paper and various design reports for future colliders. I recently have been appointed a co-convener of the Higgs exotic decay subgroup of the LHC Higgs cross section working group (LHCHXSWG), bridging the theoretical and experimental community in searching for non-standard Higgs boson decays. My research interests and experience in BSM phenomenology cover a large span of topics. My research on Higgs physics ranges from Higgs precision at various colliders, exotic Higgs decays, Higgs EFT, probing first-order electroweak phase transition via the Higgs boson, to composite Higgs physics tests in the scheme of lowShow MoreRelatedNew Physics Essay775 Words   |  4 PagesWhat is the (next accessible) scale of new physics? We do not have a clear answer. We are living through a challenging and exciting era, in sharp contrast to the situation in the past (half) century in physics. 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