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Search for s-channel single-top-quark production in events with missing energy plus jets in pp collisions at sqrt[s] = 1.96 TeV.
Aaltonen, T; Amerio, S; Amidei, D; Anastassov, A; Annovi, A; Antos, J; Apollinari, G; Appel, J A; Arisawa, T; Artikov, A; Asaadi, J; Ashmanskas, W; Auerbach, B; Aurisano, A; Azfar, F; Badgett, W; Bae, T; Barbaro-Galtieri, A; Barnes, V E; Barnett, B A; Barria, P; Bartos, P; Bauce, M; Bedeschi, F; Behari, S; Bellettini, G; Bellinger, J; Benjamin, D; Beretvas, A; Bhatti, A; Bland, K R; Blumenfeld, B; Bocci, A; Bodek, A; Bortoletto, D; Boudreau, J; Boveia, A; Brigliadori, L; Bromberg, C; Brucken, E; Budagov, J; Budd, H S; Burkett, K; Busetto, G; Bussey, P; Butti, P; Buzatu, A; Calamba, A; Camarda, S; Campanelli, M.
Afiliación
  • Aaltonen T; Division of High Energy Physics, Department of Physics, University of Helsinki, FIN-00014, Helsinki, Finland; Helsinki Institute of Physics, FIN-00014, Helsinki, Finland.
  • Amerio S; Istituto Nazionale di Fisica Nucleare, Sezione di Padova, Italy and University of Padova, I-35131 Padova, Italy.
  • Amidei D; University of Michigan, Ann Arbor, Michigan 48109, USA.
  • Anastassov A; Fermi National Accelerator Laboratory, Batavia, Illinois 60510, USA.
  • Annovi A; Laboratori Nazionali di Frascati, Istituto Nazionale di Fisica Nucleare, I-00044 Frascati, Italy.
  • Antos J; Comenius University, 842 48 Bratislava, Slovakia; Institute of Experimental Physics, 040 01 Kosice, Slovakia.
  • Apollinari G; Fermi National Accelerator Laboratory, Batavia, Illinois 60510, USA.
  • Appel JA; Fermi National Accelerator Laboratory, Batavia, Illinois 60510, USA.
  • Arisawa T; Waseda University, Tokyo 169, Japan.
  • Artikov A; Joint Institute for Nuclear Research, RU-141980 Dubna, Russia.
  • Asaadi J; Mitchell Institute for Fundamental Physics and Astronomy, Texas A&M University, College Station, Texas 77843, USA.
  • Ashmanskas W; Fermi National Accelerator Laboratory, Batavia, Illinois 60510, USA.
  • Auerbach B; Argonne National Laboratory, Argonne, Illinois 60439, USA.
  • Aurisano A; Mitchell Institute for Fundamental Physics and Astronomy, Texas A&M University, College Station, Texas 77843, USA.
  • Azfar F; University of Oxford, Oxford OX1 3RH, United Kingdom.
  • Badgett W; Fermi National Accelerator Laboratory, Batavia, Illinois 60510, USA.
  • Bae T; Center for High Energy Physics: Kyungpook National University, Daegu 702-701, Korea; Seoul National University, Seoul 151-742, Korea; Sungkyunkwan University, Suwon 440-746, Korea; Korea Institute of Science and Technology Information, Daejeon 305-806, Korea; Chonnam National University, Gwangju 500
  • Barbaro-Galtieri A; Ernest Orlando Lawrence Berkeley National Laboratory, Berkeley, California 94720, USA.
  • Barnes VE; Purdue University, West Lafayette, Indiana 47907, USA.
  • Barnett BA; The Johns Hopkins University, Baltimore, Maryland 21218, USA.
  • Barria P; Istituto Nazionale di Fisica Nucleare Pisa, Italy and University of Siena, Italy.
  • Bartos P; Comenius University, 842 48 Bratislava, Slovakia; Institute of Experimental Physics, 040 01 Kosice, Slovakia.
  • Bauce M; Istituto Nazionale di Fisica Nucleare, Sezione di Padova, Italy and University of Padova, I-35131 Padova, Italy.
  • Bedeschi F; Istituto Nazionale di Fisica Nucleare Pisa, Italy.
  • Behari S; Fermi National Accelerator Laboratory, Batavia, Illinois 60510, USA.
  • Bellettini G; Istituto Nazionale di Fisica Nucleare Pisa, Italy and University of Pisa, Italy.
  • Bellinger J; University of Wisconsin, Madison, Wisconsin 53706, USA.
  • Benjamin D; Duke University, Durham, North Carolina 27708, USA.
  • Beretvas A; Fermi National Accelerator Laboratory, Batavia, Illinois 60510, USA.
  • Bhatti A; The Rockefeller University, New York, New York 10065, USA.
  • Bland KR; Baylor University, Waco, Texas 76798, USA.
  • Blumenfeld B; The Johns Hopkins University, Baltimore, Maryland 21218, USA.
  • Bocci A; Duke University, Durham, North Carolina 27708, USA.
  • Bodek A; University of Rochester, Rochester, New York 14627, USA.
  • Bortoletto D; Purdue University, West Lafayette, Indiana 47907, USA.
  • Boudreau J; University of Pittsburgh, Pittsburgh, Pennsylvania 15260, USA.
  • Boveia A; Enrico Fermi Institute, University of Chicago, Chicago, Illinois 60637, USA.
  • Brigliadori L; University of Bologna, I-40127 Bologna, Italy.
  • Bromberg C; Michigan State University, East Lansing, Michigan 48824, USA.
  • Brucken E; Division of High Energy Physics, Department of Physics, University of Helsinki, FIN-00014, Helsinki, Finland; Helsinki Institute of Physics, FIN-00014, Helsinki, Finland.
  • Budagov J; Joint Institute for Nuclear Research, RU-141980 Dubna, Russia.
  • Budd HS; University of Rochester, Rochester, New York 14627, USA.
  • Burkett K; Fermi National Accelerator Laboratory, Batavia, Illinois 60510, USA.
  • Busetto G; Istituto Nazionale di Fisica Nucleare, Sezione di Padova, Italy and University of Padova, I-35131 Padova, Italy.
  • Bussey P; Glasgow University, Glasgow G12 8QQ, United Kingdom.
  • Butti P; Istituto Nazionale di Fisica Nucleare Pisa, Italy and University of Pisa, Italy.
  • Buzatu A; Glasgow University, Glasgow G12 8QQ, United Kingdom.
  • Calamba A; Carnegie Mellon University, Pittsburgh, Pennsylvania 15213, USA.
  • Camarda S; Institut de Fisica d'Altes Energies, ICREA, Universitat Autonoma de Barcelona, E-08193, Bellaterra (Barcelona), Spain.
  • Campanelli M; University College London, London WC1E 6BT, United Kingdom.
Phys Rev Lett ; 112(23): 231805, 2014 Jun 13.
Article en En | MEDLINE | ID: mdl-24972199
ABSTRACT
The first search for single-top-quark production from the exchange of an s-channel virtual W boson using events with an imbalance in the total transverse energy, b-tagged jets, and no identified leptons is presented. Assuming the electroweak production of top quarks of mass 172.5 GeV/c(2) in the s channel, a cross section of 1.12(-0.57)(+0.61) (stat+syst) pb with a significance of 1.9 standard deviations is measured. This measurement is combined with the result obtained from events with an imbalance in total transverse momentum, b-tagged jets, and exactly one identified lepton, yielding a cross section of 1.36(-0.32)(+0.37) (stat+syst) pb, with a significance of 4.2 standard deviations.
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Banco de datos: MEDLINE Idioma: En Revista: Phys Rev Lett Año: 2014 Tipo del documento: Article País de afiliación: Finlandia
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Banco de datos: MEDLINE Idioma: En Revista: Phys Rev Lett Año: 2014 Tipo del documento: Article País de afiliación: Finlandia