The particle theory group has been conducting research on a wide variety of topics, ranging from supersymmetry and supergravity to the properties of heavy quarks, neutrinos, and cosmic rays. There is particular interest in understanding how new phenomena will be explored in the next generation of high energy physics experiments.

Jonathan Bagger is continuing his study of supersymmetry and supergravity. In addition to his more formal work on the interconnection between string theory and field theory he has also been investigating the phenomenology of supersymmetry at high energy colliders. Professor Bagger served as a convener of the Supersymmetry Working Group at the 1996 Snowmass Workshop on New Directions for High-Energy Physics. He has also been a member of the Drell and Gilman Panels, which were charged with planning for the future of US high energy physics.

Raman Sundrum does research in the areas of extra dimensions, supersymmetry, strong interactions, and gravity. The focus of this research is  on discovering new field theory mechanisms that can address some of the central problems of particle theory, such as the Hierarchy Problem and the Cosmological Constant Problem, and also identifying how these mechanisms may be tested in experiments and observations. 

David Kaplan's main research interest is on physics beyond the standard model of particle physics.  He constructs models which may explain the existence and the size of the electroweak scale (and therefore the masses of nearly all fundamental particles) and analyzes their implications for collider and other experiments.  He uses effective field theory techniques and applies them to models with supersymmetry, extra dimensions or other symmetry extensions to the current framework.  He is also interested in the applications of these techniques to cosmological models and in general particle physics implications for cosmology and vice-versa.

Gabor Domokos  and  Susan Kovesi-Domokos are working on the physics of the highest energy neutrinos, which are expected to be emitted from exotic astronomical objects, such as active galactic nuclei and gamma ray bursters.   To obtain more information about their research click on their names.

Adam Falk  is working primarily on the phenomenology of heavy hadrons, although his interests extend to CP violation, electroweak symmetry breaking, and physics beyond the Standard Model.  Systems containing bottom and charmed quarks will be the focus of intense interest over the next decade, with the advent of a new generation of B meson experiments at SLAC, KEK, Cornell, Fermilab and CERN.  Falk's work is oriented toward the theoretical interpretation of these exciting and difficult experiments.

Gordon Feldman and Tom Fulton have been studying QED corrections to atomic energy levels, together with Alberto Devoto and Jim Ingham. Professor Fulton was one of the invited speakers at the Conference on Foundations and Applications of QED, which was held in honor of Willis Lamb in August '96. This celebration marked the 50th anniversary of the observation of the Lamb shift.

Chung Kim has been engaged in the theoretical investigation of neutrino oscillations, which continue to play a major role in the study of neutrino mass. He is also analyzing the effects of gravitation and finite temperature on the oscillations. Practical applications to solar, atmospheric and supernova neutrinos are also being investigated. Professor Kim has been appointed as the first professor (part-time) in the School of Physics, Korea Institute for Advanced Study, which is modeled after the Institute for Advanced Study at Princeton. He will make regular visits to the institute during the summers.

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