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Research

 

The current best model of particle physics, the Standard Model, has several theoretical short-comings but no alternative theory has been confirmed by experiments.  Research in particle physics is currently being pursued on two frontiers: the energy frontier and theprecision or intensity frontier.

At the energy frontier experimenters are searching for new particles at higher and higher energies, but if they exist only very few of these particles can be created.  Examples are the Atlas and CMS experiments using the Large Hadron Collider (LHC) at CERN (Switzerland), or the D0 and CDF experiments at the Tevatron at Fermilab (Illinois).

Experiments at the precision or intensity frontier take a very different approach by making very accurate measurements at moderate energies but with very large numbers of events, for example at Jefferson Lab in Newport News.  The indirect effects of these particles that can only be created at high energies help us determine which models are correct.

My research focuses on experiments that test the Standard Model at the precision frontier.  In particular my interests are with precision electroweak tests of the Standard Model, which use the electromagnetic and weak interaction.  My current involvement is with:

For an accessible introduction to the physics of parity violation, Krishna Myneni has written "Symmetry Destroyed: The Failure of Parity."