Search for Anomalous Kinematics in ttbar Dilepton Events at CDF II

Details Search for Anomalous Kinematics in ttbar Dilepton Events at CDF II Search for Anomalous Kinematics in ttbar Dilepton Events at CDF II

2004-12-14

arxiv.org/abs/hep-ex/0412042v2

Phys.Rev.Lett.95:022001,2005

Physics

High Energy Physics

High Energy Physics - Experiment

14 pages, 2 figures

Scientific paper

10.1103/PhysRevLett.95.022001

We report on a search for anomalous kinematics of ttbar dilepton events in ppbar collisions at sqrt{s}=1.96 TeV using 193 {pb}^{-1} of data collected with the CDF II detector. We developed a new a priori technique designed to isolate the subset in a data sample revealing the largest deviation from standard model (SM) expectations and to quantify the significance of this departure. In the four-variable space considered, no particular subset shows a significant discrepancy and we find that the probability of obtaining a data sample less consistent with the SM than what is observed is 1.0-4.5%.

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