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Abstract:
The Standard Model of particle remains consistent with (most) data, despite the best efforts of experiments, and the abundance of open problems that it leaves unsolved. The Standard Model should be regarded as an effective field theory that is a low-energy approximation to a more complete theory of fundamental physics. The latter may reveal itself through higher-order interactions between Standard Model particles that are being sought at the Large Hadron Collider and elsewhere. After reviewing the experimental constraints on interactions of dimension 6, I will discuss possible signatures of new physics at dimension 8, including neutral triple-gauge couplings, quadruple-gauge couplings and Higgs physics.
Biography :
Professor John Ellis earned his Ph.D. in theoretical particle physics in 1971 at Cambridge University. As the world-renowned particle physicist, he was awarded the Maxwell Medal and Prize (1982) and the Paul Dirac Medal and Prize (2005) by the Institute of Physics. He is an Elected Fellow of the Royal Society of London since 1985 and of the Institute of Physics since 1991. He won the First Award in the Gravity Research Foundation essay competition (1999 and 2005).Professor Ellis is currently the Clerk Maxwell Professor of Theoretical Physics at King's College London. He has been appointed Commander of the British Empire (CBE) since 2012. He was twice the Deputy Division Leader for the Theory Division of CERN, and served as Division Leader for 1988–1994. He was a founding member of the LEPC and the LHCC. He is the Chair of the committee to investigate Physics Opportunities for Future Proton Accelerators, and is a member of the extended CLIC (Compact Linear Collider) Steering Committee.
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Prof. Hong-Jian He