Measurement of the t t¯ production cross section in pp¯ collisions at √s = 1.96 TeV in dilepton final states

DO Collaboration, The and Bertram, Iain A. and Borissov, Guennadi V. and Ratoff, Peter N. and Sopczak, Andre (2005) Measurement of the t t¯ production cross section in pp¯ collisions at √s = 1.96 TeV in dilepton final states. Physics Letters B, 626 (1-4). pp. 55-64. ISSN 0370-2693

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Abstract

We present a measurement of the top quark pair (t t¯) production cross section in pp¯ collisions at √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 DØ detector at the Fermilab Tevatron Collider. We observe 13 events in the e+e−, eμ and μ+μ− channels with an expected background of 3.2 ± 0.7 events. For a top quark mass of 175 GeV, we measure a t ¯t production cross section of σt ¯t = 8.6+3.2 −2.7(stat) ± 1.1(syst)± 0.6(lumi) pb, consistent with the standard model prediction.

Item Type:
Journal Article
Journal or Publication Title:
Physics Letters B
Additional Information:
Author llist is partial - see original article for full author list.
Uncontrolled Keywords:
/dk/atira/pure/researchoutput/libraryofcongress/qc
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ID Code:
81994
Deposited By:
Deposited On:
08 Oct 2016 00:06
Refereed?:
Yes
Published?:
Published
Last Modified:
01 Jan 2020 05:56