, Oxford University
[Host: Chris Neu]
Various studies of collider and cosmological data have found multilepton sources that are not well described by the usual models. These studies have motivated a theory of a new force at the O(1 GeV) energy scale that interacts with standard-model particles only through a high-mass intermediary. This new 'dark' force could produce multiple leptons at small angles, dubbed 'lepton jets,' at hadron colliders.
I describe a general CDF search for high-momentum muon pairs with sensitivity to any new low-mass resonance. I also briefly discuss the possibility that the Higgs boson is a source of high-momentum dimuons, with a mass lower than the usual LEP bounds and more consistent with supersymmetry and the global electroweak fits.
High Energy Physics Seminar
Wednesday, May 5, 2010
Physics Building, Room 204
Note special room.
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