Multi-channel search for squarks and gluinos in √s = 7 TeV pp collisions with the ATLAS detector at the LHC

ATLAS Collaboration

doi:10.1140/epjc/s10052-013-2362-5

Multi-channel search for squarks and gluinos in √s = 7 TeV pp collisions with the ATLAS detector at the LHC

ATLAS Collaboration

University of Freiburg
University of Bonn
University of Oklahoma
Institute for High Energy Physics
University of Bern
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Université Paris-Sud
University of Geneva
Azerbaijan National Academy of Sciences
University of Amsterdam
Oklahoma State University
Michigan State University
University of Toronto
Tel Aviv University
CEA Saclay (Commissariat a l'Energie Atomique)
National Institute for Nuclear Physics
King's College London
Abdus Salam International Centre for Theoretical Physics
AGH University of Krakow
United States Department of Energy
Hampton University
Yale University
Ludwig Maximilian University of Munich
Queen Mary University of London
Rutherford Appleton Laboratory
Brandeis University
Laboratório de Instrumentação e Física Experimental de Partículas
University of Granada
Boston University
Stony Brook University
University of Texas at Dallas
University of Rome Tor Vergata
Lund University
The University of Tokyo
Academy of Sciences Rusia
Royal Holloway University of London
University of Victoria BC
Laboratoire de Physique Subatomique et de Cosmologie de Grenoble
Joint Institute for Nuclear Research
Horia Hulubei National Institute of Physics and Nuclear Engineering
National Technical University of Athens
University of Udine
Humboldt University of Berlin
University of Pennsylvania
University of Birmingham
Lancaster University
University of Liverpool
University of Glasgow
University of Manchester
University of Naples Federico II
Weizmann Institute of Science
Universidad Nacional de La Plata
Columbia University
High Energy Accelerator Research Organization, Tsukuba
Institute for High Energy Physics
University of Lisbon
Heidelberg University
The University of Chicago
University of Milan
National and Kapodistrian University of Athens
Technische Universität Dresden
Budker Institute of Nuclear Physics of the Siberian Branch of the RAS
Moscow Engineering Physics Institute
Slovak Academy of Sciences
Nagoya University
Aix-Marseille Université and CNRS/IN2P3
IN2P3
University of Oxford
SLAC National Accelerator Laboratory
Duke University
University of Montreal
German Electron Synchrotron
Bogazici University
University of Michigan, Ann Arbor
Johannes Gutenberg University Mainz
Universidad Autónoma de Madrid
Alikhanov Institute for Theoretical and Experimental Physics
University of Rome La Sapienza
University of Cambridge
Stockholm University
Oskar Klein Centre
Argonne National Laboratory
University of Johannesburg
University of Illinois at Urbana-Champaign
Czech Technical University in Prague
University of British Columbia
TRIUMF
Roma Tre University
Lawrence Berkeley National Laboratory
Aristotle University of Thessaloniki
CAS - Institute of High Energy Physics
University College London
Charles University
Institute of Nuclear Physics PAN
University of Wisconsin-Madison
The University of Sydney
University of Melbourne
University of Genoa
Max Planck Institute for Physics (Werner Heisenberg Institute)
University of Wuppertal
Harvard University
University of Sussex
Comenius University
California State University Fresno
Laboratoire de Physique Nucléaire et de Hautes Energies
Tufts University
University of Washington
Gaziantep University
Technion-Israel Institute of Technology
University of Iowa
McGill University
Novosibirsk State University
University of Hassan II Casablanca
York University Toronto
University of Regina
University of Bologna
University of Pisa
Radboud University Nijmegen
University of Edinburgh
University of Salento
University of Göttingen
Institut National de Physique Nucléaire et de Physique des Particules (IN2P3)
University of Copenhagen
Belarus Academy of Sciences
Czech Academy of Sciences
University of Belgrade
University of Pittsburgh
Université Clermont Auvergne
University of Texas at Arlington
Tokyo Metropolitan University
University of Massachusetts
University of Oregon
Uppsala University
University of the Witwatersrand
Universidad Técnica Federico Santa Maria
Indiana University Bloomington
University of Bergen
University of Siegen
New York University
University of Oslo
TU Dortmund University
University of Valencia
Ankara University
Northern Illinois University
Universidade Federal do Rio de Janeiro
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Universidad Autonoma de San Luis Potosi
Universidade Federal de Juiz de Fora
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Iowa State University
Nanjing University
Mohammed V University in Rabat
University of Arizona
Georgian Academy of Sciences E. Andronikashvili Institute of Physics
University of California at Santa Cruz
Academia Sinica - Institute of Physics
Jožef Stefan Institute
University of Pavia
University of Naples Parthenope
Institute of Particle Physics
University of Sheffield
National University of Science and Technology POLITEHNICA Bucharest
Simon Fraser University
Middle East Technical University
Mohamed I University
Louisiana Tech University
Pontificia Universidad Católica de Chile
Southern Methodist University
Ivane Javakhishvili Tbilisi State University
Universidade Federal de São João del-Rei
NOVA University Lisbon
Universidade de São Paulo
Justus Liebig University Giessen
SUNY Albany
Cadi Ayyad University
University of Innsbruck
University of California at Irvine
University of Warwick
Petersburg Nuclear Physics Institute (PNPI)
Shandong University
Ohio State University
University of Würzburg
National Center for Energy, Nuclear Science and Technology
Lomonosov Moscow State University
Universidad de Buenos Aires
University of New Mexico
A. Alikhanian Yerevan Institute of Physics
Palacký University Olomouc
University of Cape Town
University of Science and Technology of China
The University of Osaka
University of Tsukuba
Shinshu University
Kobe University
Kyoto University
Institute of Science Tokyo
Adelaide University
KTH Royal Institute of Technology
Kyushu University
Waseda University
Carleton University
University of Hamburg
Manhattan College
Sun Yat-Sen University
Universidad Antonio Nariño
Hiroshima Institute of Technology
Okayama University
University of Minho
University of Texas at Austin
University of South Carolina
Wigner Research Centre for Physics
California Institute of Technology
Jagiellonian University in Kraków
Nagasaki Institute of Applied Science
TOBB University of Economics and Technology
Kyoto University of Education
Ritsumeikan University
Massachusetts Institute of Technology
Turkish Atomic Energy Authority
University of KwaZulu-Natal
Shanghai Jiao Tong University
Belarusian State University
Gazi University

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Resumen

A search for supersymmetric particles in final states with zero, one, and two leptons, with and without jets identified as originating from b-quarks, in 4.7 fb⁻¹ of √s = 7 TeV pp collisions produced by the Large Hadron Collider and recorded by the ATLAS detector is presented. The search uses a set of variables carrying information on the event kinematics transverse and parallel to the beam line that are sensitive to several topologies expected in supersymmetry. Mutually exclusive final states are defined, allowing a combination of all channels to increase the search sensitivity. No deviation from the Standard Model expectation is observed. Upper limits at 95 % confidence level on visible cross-sections for the production of new particles are extracted. Results are interpreted in the context of the constrained minimal supersymmetric extension to the Standard Model and in supersymmetry-inspired models with diverse, high-multiplicity final states.

Idioma original	Inglés
Número de artículo	2362
Publicación	European Physical Journal C
Volumen	73
N.º	3
DOI	https://doi.org/10.1140/epjc/s10052-013-2362-5
Estado	Publicada - 27 mar 2013
Publicado de forma externa	Sí

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abstract = "A search for supersymmetric particles in final states with zero, one, and two leptons, with and without jets identified as originating from b-quarks, in 4.7 fb−1 of √s = 7 TeV pp collisions produced by the Large Hadron Collider and recorded by the ATLAS detector is presented. The search uses a set of variables carrying information on the event kinematics transverse and parallel to the beam line that are sensitive to several topologies expected in supersymmetry. Mutually exclusive final states are defined, allowing a combination of all channels to increase the search sensitivity. No deviation from the Standard Model expectation is observed. Upper limits at 95 \% confidence level on visible cross-sections for the production of new particles are extracted. Results are interpreted in the context of the constrained minimal supersymmetric extension to the Standard Model and in supersymmetry-inspired models with diverse, high-multiplicity final states.",

author = "G. Aad and T. Abajyan and B. Abbott and J. Abdallah and S. Kabana and \{ATLAS Collaboration\}",

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AU - Abdallah, J.

AU - Kabana, S.

AU - ATLAS Collaboration

PY - 2013/3/27

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Multi-channel search for squarks and gluinos in √s = 7 TeV pp collisions with the ATLAS detector at the LHC

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