THE GAANN FELLOWSHIPS FOR DOCTORAL STUDIES IN PHYSICS
AT UNIVERSITY OF TEXAS AT ARLINGTON
Current GAANN Fellows - Ian Howley
|I am doing my thesis research as a member of the DØ Collaboration, a particle physics experiment based at Fermilab in the western subburbs of Chicago. I am performing a search for the Higgs boson, a particle required by the Standard Model to provide the mechanism by which all other particles acquire mass. The HIggs boson can be identified by its decay products; my particular analysis is concerned with the decay into two tau leptons, where a tau is essentially a heavy electron. I have been working on improving the identification of tau leptons, especially for taus that decay into strongly interacting particles. My decay channel has sensitivity over a large range of possible Higgs mass from light to moderately heavy. By combining our results first with other DØ Higgs decay channels, and then with the other main Fermilab detector CDF, we provide stringent limits on the possible Higgs mass. I am also involved in developing an ultra fast timing detector for an upgrade to the ATLAS detector at CERN. We perform laser tests of the photomultiplier tubes and fast electronics at the University of Texas, Arlington, and test the full detector using test beams at Fermilab and CERN.