Monday, July 27 2015
15:30 - 16:45

Alladi Ramakrishnan Hall

Dark Matter in Dilepton Production

Nirmal Raj

University of Oregon/ University of Notre Dame

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 of this channel. I'll demonstrate in thi! s talk how hidden sectors can show up in dileptonic events through radiative corrections to the Standard Model process, giving rise to spectacular features in the invariant mass as well as in the 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 sensitivities at the high luminosity 14 TeV LHC as well as a 100 TeV collider.

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