A Quasi-Model-Independent Search for New Physics at Large Transverse Momentum

Details A Quasi-Model-Independent Search for New Physics at Large Transverse Momentum A Quasi-Model-Independent Search for New Physics at Large Transverse Momentum

2000-11-20

arxiv.org/abs/hep-ex/0011067v1

Phys.Rev.D64:012004,2001

Physics

High Energy Physics

High Energy Physics - Experiment

28 pages, 17 figures. Submitted to Physical Review D

Scientific paper

10.1103/PhysRevD.64.012004

We apply a quasi-model-independent strategy ("Sleuth") to search for new high p_T physics in approximately 100 pb^-1 of ppbar collisions at sqrt(s) = 1.8 TeV collected by the DZero experiment during 1992-1996 at the Fermilab Tevatron. Over thirty-two e mu X, W+jets-like, Z+jets-like, and 3(lepton/photon)X exclusive final states are systematically analyzed for hints of physics beyond the standard model. Simultaneous sensitivity to a variety of models predicting new phenomena at the electroweak scale is demonstrated by testing the method on a particular signature in each set of final states. No evidence of new high p_T physics is observed in the course of this search, and we find that 89% of an ensemble of hypothetical similar experimental runs would have produced a final state with a candidate signal more interesting than the most interesting observed in these data.

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