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Physics Department Colloquium
Status and Future of Tau physics at the LHC
Date: Friday, March 11th
Time: 3:30 pm
Place: 2241 Chamberlin Hall
Speaker: Isobel Ojalvo, University of Wisconsin - Madison
Abstract: The observation of a Higgs boson by the LHC experiments through its decays
to vector bosons was an extremely significant milestone in particle physics
research; one which redefined the research priorities in the field. After
this discovery the first step was to test the compatibility of the new
particle with the SM Higgs by searching for the different possible Higgs
couplings. The decay to fermions is of fundamental importance since it
proves the presence of Yukawa couplings in the theory. Since Higgs couples
to mass, it breaks lepton universality, therefore decays to tau leptons are
enhanced. The next step is to use the Higgs as a tool for new physics
searches through its decays (i.e. lepton flavor violation) or through its
associated production with other particles (A->Zh, H->hh, etc.)

The experimental challenges of triggering and identifying tau leptons will
be described. Then the recent Higgs results will be presented for the SM
Higgs and the SUSY extensions. Finally, the future prospects of Higgs and
tau physics will be summarized.
Host: Lisa Everett
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