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Please use this identifier to cite or link to this item: http://acervodigital.unesp.br/handle/11449/73781
Title: 
Measurement of the single-top-quark t-channel cross section in pp collisions at √s=7 TeV
Author(s): 
Institution: 
  • CERN
  • Yerevan Physics Institute
  • Institut für Hochenergiephysik der OeAW
  • National Centre for Particle and High Energy Physics
  • Universiteit Antwerpen
  • Vrije Universiteit Brussel
  • Université Libre de Bruxelles
  • Ghent University
  • Université Catholique de Louvain
  • Université de Mons
  • Centro Brasileiro de Pesquisas Físicas (CBPF)
  • Universidade do Estado do Rio de Janeiro (UERJ)
  • Universidade Estadual Paulista (UNESP)
  • Institute for Nuclear Research and Nuclear Energy
  • University of Sofia
  • Institute of High Energy Physics
  • Peking University
  • Universidad de los Andes
  • Technical University of Split
  • University of Split
  • Institute Rudjer Boskovic
  • University of Cyprus
  • Charles University
  • Egyptian Network of High Energy Physics
  • National Institute of Chemical Physics and Biophysics
  • University of Helsinki
  • Helsinki Institute of Physics
  • Lappeenranta University of Technology
  • CEA/Saclay
  • IN2P3-CNRS
  • Université de Haute Alsace Mulhouse, CNRS/IN2P3
  • CNRS/IN2P3
  • Institut de Physique Nucléaire de Lyon
  • Academy of Science
  • I. Physikalisches Institut
  • III. Physikalisches Institut A
  • III. Physikalisches Institut B
  • Deutsches Elektronen-Synchrotron
  • University of Hamburg
  • Institut für Experimentelle Kernphysik
  • Institute of Nuclear Physics Demokritos
  • University of Athens
  • University of Ioánnina
  • KFKI Research Institute for Particle and Nuclear Physics
  • Institute of Nuclear Research ATOMKI
  • University of Debrecen
  • Panjab University
  • University of Delhi
  • Saha Institute of Nuclear Physics
  • Bhabha Atomic Research Centre
  • Tata Institute of Fundamental Research - EHEP
  • Tata Institute of Fundamental Research - HECR
  • Institute for Research in Fundamental Sciences (IPM)
  • INFN Sezione di Bari
  • Università di Bari
  • Politecnico di Bari
  • INFN Sezione di Bologna
  • Università di Bologna
  • INFN Sezione di Catania
  • Università di Catania
  • INFN Sezione di Firenze
  • Università di Firenze
  • INFN Laboratori Nazionali di Frascati
  • INFN Sezione di Genova
  • Università di Genova
  • INFN Sezione di Milano-Bicocca
  • Università di Milano-Bicocca
  • INFN Sezione di Napoli
  • Università di Napoli Federico II
  • INFN Sezione di Padova
  • Università di Padova
  • Università di Trento (Trento)
  • INFN Sezione di Pavia
  • Università di Pavia
  • INFN Sezione di Perugia
  • Università di Perugia
  • INFN Sezione di Pisa
  • Università di Pisa
  • Scuola Normale Superiore di Pisa
  • INFN Sezione di Roma
  • Università di Roma
  • INFN Sezione di Torino
  • Università di Torino
  • Università del Piemonte Orientale (Novara)
  • INFN Sezione di Trieste
  • Università di Trieste
  • Kangwon National University
  • Kyungpook National University
  • Institute for Universe and Elementary Particles
  • Korea University
  • University of Seoul
  • Sungkyunkwan University
  • Vilnius University
  • Centro de Investigacion y de Estudios Avanzados del IPN
  • Universidad Iberoamericana
  • Benemerita Universidad Autonoma de Puebla
  • Universidad Autónoma de San Luis Potosí
  • University of Auckland
  • University of Canterbury
  • Quaid-I-Azam University
  • National Centre for Nuclear Research
  • University of Warsaw
  • Laboratório de Instrumentação e Física Experimental de Partículas (LIP)
  • Joint Institute for Nuclear Research
  • Petersburg Nuclear Physics Institute
  • Institute for Nuclear Research
  • Institute for Theoretical and Experimental Physics (ITEP)
  • Moscow State University
  • P.N. Lebedev Physical Institute
  • Institute for High Energy Physics
  • Vinca Institute of Nuclear Sciences
  • Centro de Investigaciones Energéticas Medioambientales y Tecnológicas (CIEMAT)
  • Universidad Autónoma de Madrid
  • Universidad de Oviedo
  • CSIC-Universidad de Cantabria
  • European Organization for Nuclear Research
  • Paul Scherrer Institut
  • ETH Zurich
  • Universität Zürich
  • National Central University
  • National Taiwan University (NTU)
  • Chulalongkorn University
  • Cukurova University
  • Physics Department
  • Bogazici University
  • Istanbul Technical University
  • Kharkov Institute of Physics and Technology
  • University of Bristol
  • Rutherford Appleton Laboratory
  • Imperial College
  • Brunel University
  • Baylor University
  • University of Alabama
  • Boston University
  • Brown University
  • Davis
  • University of California
  • Riverside
  • University of California, San Diego
  • University of California, Santa Barbara
  • California Institute of Technology
  • Carnegie Mellon University
  • University of Colorado at Boulder
  • Cornell University
  • Fairfield University
  • Fermi National Accelerator Laboratory
  • University of Florida
  • Florida International University
  • Florida State University
  • Florida Institute of Technology
  • University of Illinois at Chicago (UIC)
  • University of Iowa
  • Johns Hopkins University
  • University of Kansas (KU)
  • Kansas State University
  • Lawrence Livermore National Laboratory
  • University of Maryland
  • Massachusetts Institute of Technology (MIT)
  • University of Minnesota
  • University of Mississippi
  • University of Nebraska-Lincoln
  • State University of New York at Buffalo
  • Northeastern University
  • Northwestern University (NU)
  • University of Notre Dame
  • Ohio State University
  • Princeton University
  • University of Puerto Rico
  • Purdue University
  • Purdue University Calumet
  • Rice University
  • University of Rochester
  • Rockefeller University
  • State University of New Jersey
  • University of Tennessee
  • Texas A and M University
  • Texas Tech University
  • Vanderbilt University
  • University of Virginia (UVA)
  • Wayne State University
  • University of Wisconsin
  • Vienna University of Technology
  • Universidade Federal do ABC (UFABC)
  • Suez Canal University
  • Zewail City of Science and Technology
  • Cairo University
  • Fayoum University
  • British University
  • Ain Shams University
  • Université de Haute-Alsace
  • Brandenburg University of Technology
  • Eötvös Loránd University
  • King Abdulaziz University
  • University of Visva-Bharati
  • Sharif University of Technology
  • Isfahan University of Technology
  • Shiraz University
  • Islamic Azad University
  • Università della Basilicata
  • Università degli Studi Guglielmo Marconi
  • Università degli Studi di Siena
  • Faculty of Physics
  • University of Belgrade
  • Scuola Normale e Sezione dell' INFN
  • Albert Einstein Center for Fundamental Physics
  • Gaziosmanpasa University
  • Adiyaman University
  • Izmir Institute of Technology
  • Mersin University
  • Ozyegin University
  • Kafkas University
  • Suleyman Demirel University
  • Ege University
  • University of Southampton
  • Utah Valley University
  • Scotland
  • Argonne National Laboratory
  • Erzincan University
  • Mimar Sinan University
ISSN: 
  • 1126-6708
  • 1029-8479
Abstract: 
A measurement of the single-top-quark t-channel production cross section in pp collisions at √s=7 TeV with the CMS detector at the LHC is presented. Two different and complementary approaches have been followed. The first approach exploits the distributions of the pseudorapidity of the recoil jet and reconstructed top-quark mass using background estimates determined from control samples in data. The second approach is based on multivariate analysis techniques that probe the compatibility of the candidate events with the signal. Data have been collected for the muon and electron final states, corresponding to integrated luminosities of 1.17 and 1.56 fb-1, respectively. The single-top-quark production cross section in the t-channel is measured to be 67.2±6.1 pb, in agreement with the approximate next-to-next-to-leading- order standard model prediction. Using the standard model electroweak couplings, the CKM matrix element |V tb| is measured to be 1.020 ± 0.046 (meas.) ± 0.017 (theor.). © 2012 CERN for the benefit of the CMS collaboration.
Issue Date: 
1-Dec-2012
Citation: 
Journal of High Energy Physics, v. 2012, n. 12, 2012.
Keywords: 
Hadron-Hadron Scattering
Source: 
http://dx.doi.org/10.1007/JHEP12(2012)035
URI: 
Access Rights: 
Acesso aberto
Type: 
outro
Source:
http://repositorio.unesp.br/handle/11449/73781
Appears in Collections:Artigos, TCCs, Teses e Dissertações da Unesp

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