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Search for the electroweak production of supersymmetric particles in √s = 8 TeV pp collisions with the ATLAS detector

  • ATLAS Collaboration
  • Aix-Marseille Université
  • University of Oklahoma
  • Academia Sinica - Institute of Physics
  • Azerbaijan National Academy of Sciences
  • University of Amsterdam
  • Michigan State University
  • University of Toronto
  • Tel Aviv University
  • Technion-Israel Institute of Technology
  • University of Oregon
  • Stockholm University
  • The Oskar Klein Centre
  • National Institute for Nuclear Physics
  • Abdus Salam International Centre for Theoretical Physics
  • AGH University of Krakow
  • Brookhaven National Laboratory
  • Northern Illinois University
  • Ludwig Maximilian University of Munich
  • Didcot
  • Royal Holloway University of London
  • University of Belgrade
  • University of Göttingen
  • Laboratório de Instrumentação e Física Experimental de Partículas
  • University of Granada
  • Boston University
  • Joint Institute for Nuclear Research
  • University of Rome Tor Vergata
  • Lund University
  • P.N. Lebedev Physical Institute of the Russian Academy of Sciences
  • University of Bologna
  • University of Victoria BC
  • Université Grenoble Alpes
  • Instituto de Física La Plata
  • CERN
  • Horia Hulubei National Institute of Physics and Nuclear Engineering
  • National Technical University of Athens
  • The University of Chicago
  • Columbia University
  • University of Sussex
  • University of Birmingham
  • University of Naples Federico II
  • University of Copenhagen
  • University of Washington
  • Kobe University
  • University of Valencia
  • Lawrence Berkeley National Laboratory
  • High Energy Accelerator Research Organization, Tsukuba
  • Universidade Federal do Rio de Janeiro
  • Brandeis University
  • University of Michigan, Ann Arbor
  • University of Coimbra
  • University of Lisbon
  • University of Freiburg
  • University of Sheffield
  • University of Geneva
  • Heidelberg University 
  • University of Milan
  • National and Kapodistrian University of Athens
  • Technische Universität Dresden
  • Budker Institute of Nuclear Physics of the Siberian Branch of the RAS
  • Novosibirsk State University
  • Autonomous University of Barcelona
  • University of Pisa
  • Moscow Engineering Physics Institute
  • Slovak Academy of Sciences
  • University of California at Irvine
  • Duke University
  • University of Montreal
  • University of Iowa
  • Bogazici University
  • University of Cambridge
  • University of Bonn
  • Alikhanov Institute for Theoretical and Experimental Physics
  • The University of Tokyo
  • German Electron Synchrotron
  • Comenius University
  • University of Illinois at Urbana-Champaign
  • University of Siegen
  • Czech Technical University in Prague
  • University of Johannesburg
  • Université Paris-Sud and CNRS/IN2P3
  • York University Toronto
  • Roma Tre University
  • CEA Saclay (Commissariat a lʼEnergie Atomique)
  • Aristotle University of Thessaloniki
  • University of Rome La Sapienza
  • CAS - Institute of High Energy Physics
  • Yale University
  • California State University Fresno
  • Charles University
  • Stony Brook University
  • University of Manchester
  • University of Pennsylvania
  • Polish Academy of Sciences
  • University of Wisconsin-Madison
  • University of Wuppertal
  • University of Melbourne
  • University of Genoa
  • Max Planck Institute for Physics (Werner Heisenberg Institute)
  • SLAC National Accelerator Laboratory
  • Université Savoie Mont Blanc
  • University of Oxford
  • Universidad Autónoma de Madrid
  • Harvard University
  • Lancaster University
  • Petersburg Nuclear Physics Institute (PNPI)
  • University of Glasgow
  • University of California at Santa Cruz
  • Ohio State University
  • Laboratoire de Physique Nucléaire et de Hautes Energies
  • Tufts University
  • University of Bern
  • University of Fribourg
  • Johannes Gutenberg University Mainz
  • University of Warwick
  • Gaziantep University
  • McGill University
  • Pontificia Universidad Católica de Chile
  • University of Massachusetts
  • University of Hassan II Casablanca
  • Uppsala University
  • New York University
  • Queen Mary University of London
  • University of Pittsburgh
  • Humboldt University of Berlin
  • University College London
  • University of Sydney
  • Argonne National Laboratory
  • King's College London
  • National Institute for Research and Development of Isotopic and Molecular Technologies
  • Lomonosov Moscow State University
  • Institute for High Energy Physics of National Research Centre ‘Kurchatov Institute’
  • Chinese University of Hong Kong
  • The University of Hong Kong
  • Hong Kong University of Science and Technology
  • SUNY Albany
  • Université Clermont Auvergne
  • Oklahoma State University
  • University of Texas at Arlington
  • Tokyo Metropolitan University
  • Weizmann Institute of Science
  • University of Edinburgh
  • Universidad Técnica Federico Santa Maria
  • University of Bergen
  • Simon Fraser University
  • University of Oslo
  • TU Dortmund University
  • University of Alberta
  • University of Calabria
  • Ankara University
  • TRIUMF
  • Shanghai Jiao Tong University
  • Southern Methodist University
  • Radboud University Nijmegen
  • University of Cape Town
  • University of Porto
  • Czech Academy of Sciences
  • Universidade Federal de Juiz de Fora
  • Dogus University
  • Tomsk State University
  • Iowa State University
  • Shandong University
  • Nanjing University
  • Tsinghua University
  • Mohammed V University in Rabat
  • University of Arizona
  • Indiana University Bloomington
  • Palacký University Olomouc
  • University of Ljubljana
  • University of Udine
  • University of Pavia
  • University of Naples Parthenope
  • Institute of Particle Physics
  • Carleton University
  • University of British Columbia
  • Mohamed I University
  • Ivane Javakhishvili Tbilisi State University
  • Universidade Federal de São João del-Rei
  • Universidade de São Paulo
  • Justus Liebig University Giessen
  • Cadi Ayyad University
  • The University of Osaka
  • Peter the Great St. Petersburg Polytechnic University
  • Nagasaki Institute of Applied Science
  • University of Science and Technology of China
  • National Center for Energy, Nuclear Science and Technology
  • University of New Mexico
  • University of Salento
  • Louisiana Tech University
  • ICREA
  • University of Liverpool
  • A. Alikhanian Yerevan Institute of Physics
  • University of Tsukuba
  • Belarus Academy of Sciences
  • Shinshu University
  • Institute of Science Tokyo
  • Nagoya University
  • Belarusian State University
  • University of the Witwatersrand
  • National Tsing Hua University
  • Waseda University
  • University of Texas at Austin
  • Kyoto University
  • University of Texas at Dallas
  • Adelaide University
  • University of Innsbruck
  • Ilia State University
  • Kyushu University
  • Georgian Technical University
  • Manhattan College
  • Istanbul Aydin University
  • University of Würzburg
  • Hellenic Open University
  • Universidad Antonio Nariño
  • KTH Royal Institute of Technology
  • Hampton University
  • Moscow Institute of Physics and Technology
  • Hiroshima Institute of Technology
  • Okayama University
  • University of Minho
  • Universidad de Buenos Aires
  • Jagiellonian University in Kraków
  • International School for Advanced Studies
  • University of South Carolina
  • CNRS/IN2P3
  • Sun Yat-Sen University
  • TOBB University of Economics and Technology
  • Kyoto University of Education
  • Massachusetts Institute of Technology
  • Stanford University
  • Wigner Research Centre for Physics
  • University of Malaya

科研成果: 期刊稿件文章同行评审

摘要

The ATLAS experiment has performed extensive searches for the electroweak production of charginos, neutralinos, and staus. This article summarizes and extends the search for electroweak supersymmetry with new analyses targeting scenarios not covered by previously published searches. New searches use vector-boson fusion production, initial-state radiation jets, and low-momentum lepton final states, as well as multivariate analysis techniques to improve the sensitivity to scenarios with small mass splittings and low-production cross sections. Results are based on 20 fb-1 of proton-proton collision data at √s = 8 TeV recorded with the ATLAS experiment at the Large Hadron Collider. No significant excess beyond Standard Model expectations is observed. The new and existing searches are combined and interpreted in terms of 95% confidence-level exclusion limits in simplified models, where a single production process and decay mode is assumed, as well as within phenomenological supersymmetric models.

源语言英语
文章编号052002
期刊Physical Review D
93
5
DOI
出版状态已出版 - 4 3月 2016
已对外发布

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