Measurement of the top quark mass and top-antitop production cross section from dilepton events at the Collider Detector at Fermilab

Details Measurement of the top quark mass and top-antitop production cross section from dilepton events at the Collider Detector at Fermilab Measurement of the top quark mass and top-antitop production cross section from dilepton events at the Collider Detector at Fermilab

1998-02-18

arxiv.org/abs/hep-ex/9802017v1

Phys.Rev.Lett.80:2779-2784,1998

Physics

High Energy Physics

High Energy Physics - Experiment

6 pages of text, 3 figures

Scientific paper

10.1103/PhysRevLett.80.2779

We present an analysis of dilepton events originating from top-antitop production in proton-antiproton collisions at sqrt{s}=1.8 TeV at the Fermilab Tevatron Collider. The sample corresponds to an integrated luminosity of 109+-7 pb^{-1}. We observe 9 candidate events, with an estimated background of 2.4+-0.5 events. We determine the mass of the top quark to be M_top = 161+-17(stat.)+-10(syst.) GeV/c^2. In addition we measure a top-antitop production cross section of 8.2+4.4-3.4 pb (where M_top = 175 GeV/c^2 has been assumed for the acceptance estimate).

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