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Please use this identifier to cite or link to this item: http://acervodigital.unesp.br/handle/11449/23161
Title: 
Measurement of the t(t)over-bar production cross section in p(p)over-bar collisions at root s=1.96 TeV using lepton plus jets events with lifetime b-tagging
Author(s): 
Institution: 
  • Universidade do Estado do Rio de Janeiro (UERJ)
  • Universidade Estadual Paulista (UNESP)
  • Univ Alberta
  • Simon Fraser Univ
  • York Univ
  • McGill Univ
  • Inst High Energy Phys
  • Univ Sci & Technol China
  • Universidad de los Andes
  • Charles Univ
  • Czech Tech Univ
  • Acad Sci Czech Republ
  • Univ San Francisco Quito
  • Univ Clermont Ferrand
  • Univ Grenoble 1
  • Univ Mediterranee
  • CNRS
  • Univ Paris 04
  • Univ Paris 07
  • CEA Saclay
  • Univ Strasbourg 1
  • Univ Haute Alsace
  • Univ Lyon 1
  • RWTH Aachen University
  • Univ Bonn
  • Univ Freiburg
  • Univ Mainz
  • Univ Munich
  • Univ Wuppertal
  • Panjab Univ
  • University of Delhi
  • Tata Inst Fundamental Res
  • Univ Coll Dublin
  • Korea University
  • CINVESTAV
  • Univ Amsterdam
  • Radboud Univ Nijmegen
  • Dubna Joint Nucl Res Inst
  • Institute for Theoretical and Experimental Physics (ITEP)
  • Moscow MV Lomonosov State Univ
  • Petersburg Nucl Phys Inst
  • Lund Univ
  • Royal Inst Technol
  • Stockholm Univ
  • Uppsala Univ
  • University of Lancaster
  • Univ London Imperial Coll Sci Technol & Med
  • University of Manchester
  • University of Arizona
  • Univ Calif Berkeley
  • Calif State Univ Fresno
  • University of California, Riverside (UCR)
  • Florida State University
  • Fermilab Natl Accelerator Lab
  • Univ Illinois
  • No Illinois Univ
  • Northwestern University (NU)
  • Indiana University
  • Univ Notre Dame
  • Iowa State Univ
  • University of Kansas (KU)
  • Kansas State University
  • Louisiana Tech University
  • University of Maryland
  • Boston University
  • Northeastern University
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  • Langston Univ
  • University of Oklahoma
  • Brown University
  • Univ Texas
  • So Methodist Univ
  • Rice University
  • University of Virginia (UVA)
  • University of Washington
ISSN: 
0370-2693
Abstract: 
We present a measurement of the top quark pair (t (t) over bar) production cross section (sigma(t (t) over bar)) in pp collisions at root s = 1.96 TeV using 230 pb(-1) of data collected by the DO experiment at the Fermilab Tevatron Collider. We select events with one charged lepton (electron or muon), missing transverse energy, and jets in the final state. We employ lifetime-based b-jet identification techniques to further enhance the t F purity of the selected sample. For a top quark mass of 175 GeV, we measure sigma(t (t) over bar) 8.6(-1.5)(+1.6) (stat. + syst.) +/- 0.6(lumi.) pb, in agreement with the standard model expectation. (c) 2005 Published by Elsevier B.V.
Issue Date: 
20-Oct-2005
Citation: 
Physics Letters B. Amsterdam: Elsevier B.V., v. 626, p. 35-44, 2005.
Time Duration: 
35-44
Publisher: 
Elsevier B.V.
Source: 
http://dx.doi.org/10.1016/j.physletb.2005.08.103
URI: 
http://hdl.handle.net/11449/23161
Access Rights: 
Acesso restrito
Type: 
outro
Source:
http://repositorio.unesp.br/handle/11449/23161
Appears in Collections:Artigos, TCCs, Teses e Dissertações da Unesp

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