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Measurement of the t(t)over-bar production cross section in p(p)over-bar collisions at root s=1.96 TeV in dilepton final states
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2005 (English)In: Physics Letters B, ISSN 0370-2693, Vol. 626, 55-64 p.Article in journal (Refereed) Published
Abstract [en]

We present a measurement of the top quark pair (a) production cross section in pp collisions at root s = 1.96 TeV using events with two charged leptons in the final state. This analysis utilizes an integrated luminosity of 224-243 pb(-1) collected with the DO detector at the Fermilab Tevatron Collider. We observe 13 events in the e(+)e(-), e mu and mu(+)mu(-) channels with an expected background of 3.2 +/- 0.7 events. For a top quark mass of 175 GeV, we measure a t (t) over bar production cross section of sigma(t (t) over bar) = 8.6(-2.7)(+3.2) (stat) +/- 1.1(syst) +/- 0.6(lumi) pb, consistent with the standard model prediction.

Place, publisher, year, edition, pages
2005. Vol. 626, 55-64 p.
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Physical Sciences
URN: urn:nbn:se:kth:diva-37846DOI: 10.1016/j.physletb.2005.08.105ISI: 000232859700007ScopusID: 2-s2.0-25844447850OAI: diva2:435339
Available from: 2011-08-18 Created: 2011-08-18 Last updated: 2012-02-02Bibliographically approved

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Clément, ChristopheGollub, NilsStrandberg, Jonas
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