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High Energy Physics Seminars

ics High Energy
Wednesday, April 24, 2013
3:30 PM
Physics Building, Room 204
John Wood [Host: Chris Neu]
University of Virginia
"Seach for Standard Model Higgs in t‾tH, H→ b¯b decay channel at √ s = 8 TeV"
The most important goal of the Large Hadron Collider (LHC) is to elucidate the mechanism of electroweak symmetry breaking. The Standard Model(SM) Higgs Boson is thought to be a prime candidate for this. Recent observations of a new boson with mass of 125GeV are consistent with a SM Higgs, however the properties of this new particle must now be understood in order to say anything conclusive about its relationship to a SM Higgs. The observation of this new particle in association with top quarks would allow the couplings of this particle to top and bottom quarks to be measured. t¯tHiggs, Higgs to b¯b is an excellent branch to explore due to the dominant branching ratio of Higgs to b¯b and the kinematic handle the t¯t offers on the event. However, it presents some difficult challenges due to a low signal to background ratio and uncertainties of SM backgrounds. This talk describes a search for the SM Higgs boson in association with top quarks, using Monte Carlo (MC) simulations. MC to Data comparisons are made with pp collisions collected by the CMS detector.

To add a speaker, send an email to phys-speakers@Virginia.EDU. Please include the seminar type (e.g. High Energy Physics Seminars), date, name of the speaker, title of talk, and an abstract (if available).