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Theory Seminar (High Energy/Cosmology)
Dark Matter in Dilepton Production
Date: Tuesday, December 2nd
Time: 3:00 pm
Place: 5280 Chamberlin Hall
Speaker: Nirmal Raj, University of Oregon
Abstract: At the LHC a standard search channel for new physics is the production of a pair of leptons. New resonances or contact operators can be gleaned from peaks or broad deviations respectively in the invariant mass distribution (mll) of this channel. I'll demonstrate in this talk how hidden sectors can show up in dileptonic events through radiative corrections to the Standard Model process, giving rise to unique features in mll, as well as in leptonic angular distributions. One compelling possibility that can be probed is that of dark matter with scalar messengers coupling it to the quarks and leptons. I will present constraints from dilepton spectrum measurements at the LHC and dark matter experiments, and make predictions for the bounds from the high luminosity 14 TeV LHC as well as a 100 TeV collider.
Host: Ran Lu
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