Home > Research > Publications & Outputs > Measurement of the top quark pair production cr...

Electronic data

  • 1-s2.0-S0370269311015231-main

    Rights statement: This article is published Open Access at sciencedirect.com. It is distributed under the terms of the Creative Commons Attribution License 3.0, which permits unrestricted use, distribution, and reproduction in any medium, provided the original authors and source are credited.

    Final published version, 1.2 MB, PDF document

    Available under license: CC BY

Links

Text available via DOI:

View graph of relations

Measurement of the top quark pair production cross section in pp collisions at root s=7 TeV in dilepton final states with ATLAS

Research output: Contribution to journalJournal article

Published
  • The ATLAS collaboration
Close
<mark>Journal publication date</mark>7/02/2012
<mark>Journal</mark>Physics Letters B
Issue number5
Volume707
Number of pages19
Pages (from-to)459-477
Publication statusPublished
Original languageEnglish

Abstract

A measurement of the production cross section of top quark pairs (t (t) over bar) in proton-proton collisions at a center-of-mass energy of 7 TeV recorded with the ATLAS detector at the Large Hadron Collider is reported. Candidate events are selected in the dilepton topology with large missing transverse energy and at least two jets. Using a data sample corresponding to an integrated luminosity of 35 pb(-1), a t (t) over bar production cross section sigma(t (t) over bar) = 177 +/- 20(stat.) +/- 14(syst.) +/- 7(lum.) pb is measured for an assumed top quark mass of m(t) = 172.5 GeV. A second measurement requiring at least one jet identified as coming from a b quark yields a comparable result, demonstrating that the dilepton final states are consistent with being accompanied by b-quark jets. These measurements are in good agreement with Standard Model predictions

Bibliographic note

This article is published Open Access at sciencedirect.com. It is distributed under the terms of the Creative Commons Attribution License 3.0, which permits unrestricted use, distribution, and reproduction in any medium, provided the original authors and source are credited.