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College of Arts and Sciences

Elementary Particle / High Energy Physics


particlesThe Indiana University High Energy Theory group carries out research in four broad areas. Steve Gottlieb is a member of the MILC collaboration, and studies the properties of hadronic particles using Lattice QCD. Recent breakthroughs in this technique have allowed an unprecedented levels of accuracy in the prediction of hadronic properties. Alan Kostelecky is one of the world's leading authorities in the study of violations of Lorentz and CPT symmetries, and extensions to the Standard Model of particle physics. Mike Berger conducts theoretical studies over a broad range of topics that includes supersymmetry, cosmology, and collider phenomenology. Radovan Dermisek's research explores our understanding the structure and parameters of the Standard Model of particle physics including properties of the Higgs boson. He proposes and studies signatures at colliders of new particles and interactions, and he investigates experimental anomalies suggesting physics beyond the Standard Model.


The Indiana University Experimental High Energy Physics program provides a broad range of research opportunities. The energy frontrier is currently being explored at the Large Hadron Collider at the CERN laboratory in Europ using the ATLAS detector. In addition, our group conducts measurements of neutrino mass and mixing using the NOvA detectors at Fermilab, with future neutrino studies planned using the DUNE detector, also at Fermilab. In addition, our group is the lead institution in the development of the GlueX experiment at Jefferson National Laboratory, which is designated to study exotic states of hadronic matter.

ATLAS ATLAS is a large general-purpose detector designed to discover the origin of electroweak symmetry breaking and new physics at the 14 TeV (14,000,000,000,000 electron volts) energy. This five story high detector, weighing approximately 7000 tons, is being built by the efforts of more than 1800 physicists from 154 institutions around the world.
D0 The D0 Experiment consists of a worldwide collaboration of scientists conducting research on the fundamental nature of matter. The experiment is located at the world's premier high-energy accelerator, theTevatron Collider, at the Fermi National Accelerator Laboratory (Fermilab) in Batavia, Illinois, USA.The research is focused on precise studies of interactions of protons and antiprotons at the highest available energies. It involves an intense search for subatomic clues that reveal the character of the building blocks of the universe.
NOVA The NOVA experiment is the next phase of the NuMI longbaseline neutrino program at Fermilab. NOvA is measuring oscillations of muon neutrinos and antineutrinos to electron neutrinos and antineutrinos. This link between solar and atmospheric neutrino oscillations holds the key to determining the neutrino mass hierarchy and searches for CP violation in the leption sector.
DUNE The DUNE experiment is under construction and operating prototypes at CERN. DUNE will use a powerful neutrino beam from Fermilab and a 40,000 ton detector located in the Homestake gold mine in South Dakota to answer questions about matter and antimatter in the Universe.
GlueX The GlueX Collaboration consists of about 100 physicists from 25 institutions in countries. The goal of this experiment is to map out the spectrum of exotic hybrid mesons -- the 'smoking gun' signature for gluonic excitations. The crucial feature is using linearly polarized photons to produce these states -- photons are expected to be particularly effective in producing exotic hybrids.