Search for heavy neutrinos and right-handed W bosons in events with two leptons and jets in pp collisions at √s =7 TeV with the ATLAS detector

ATLAS Collaboration

doi:10.1140/epjc/s10052-012-2056-4

Search for heavy neutrinos and right-handed W bosons in events with two leptons and jets in pp collisions at √s =7 TeV with the ATLAS detector

ATLAS Collaboration

University of Freiburg
University of Oklahoma
Institute for High Energy Physics
University of Geneva
University of Bern
CERN
University of Oxford
Azerbaijan National Academy of Sciences
Oklahoma State University
Michigan State University
University of Toronto
Tel Aviv University
Université Paris-Sud
National Institute for Nuclear Physics
University of Milan
Abdus Salam International Centre for Theoretical Physics
AGH University of Krakow
United States Department of Energy
Hampton University
Yale University
Max Planck Institute for Physics (Werner Heisenberg Institute)
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
Johannes Gutenberg University Mainz
Boston University
Stony Brook University
University of Texas at Dallas
University of Rome Tor Vergata
Bogazici University
Lund University
The University of Tokyo
Academy of Sciences Rusia
Kobe University
SUNY Albany
Royal Holloway University of London
University of Victoria BC
Université Grenoble Alpes
Joint Institute for Nuclear Research
Horia Hulubei National Institute of Physics and Nuclear Engineering
National Technical University of Athens
University of Bonn
Humboldt University of Berlin
University of Pennsylvania
University of Birmingham
University of Liverpool
University of Glasgow
University of Manchester
University of Naples Federico II
Weizmann Institute of Science
High Energy Accelerator Research Organization, Tsukuba
Institute for High Energy Physics
University of Lisbon
University of Valencia
Columbia University
Heidelberg University
The University of Chicago
Universidad Nacional de La Plata
Budker Institute of Nuclear Physics of the Siberian Branch of the RAS
National and Kapodistrian University of Athens
Moscow Engineering Physics Institute
Slovak Academy of Sciences
Aix-Marseille Université and CNRS/IN2P3
IN2P3
SLAC National Accelerator Laboratory
Duke University
Lawrence Berkeley National Laboratory
University of Michigan, Ann Arbor
Alikhanov Institute for Theoretical and Experimental Physics
University of Rome La Sapienza
University of Wisconsin-Madison
University of Cambridge
Stockholm University
Oskar Klein Centre
Argonne National Laboratory
Justus Liebig University Giessen
Czech Technical University in Prague
University of Johannesburg
University of California at Irvine
University of British Columbia
University of Göttingen
University of Montreal
TRIUMF
Roma Tre University
CEA Saclay (Commissariat a l'Energie Atomique)
University of Alberta
CAS - Institute of High Energy Physics
University College London
Institute of Nuclear Physics PAN
The University of Sydney
University of Melbourne
University of Genoa
University of Wuppertal
Universidad Autónoma de Madrid
Harvard University
Lancaster University
University of Sussex
Comenius University
California State University Fresno
Université Paris Cité
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
University of Illinois at Urbana-Champaign
York University Toronto
University of Regina
University of Amsterdam
German Electron Synchrotron
University of Bologna
University of Pisa
University of Edinburgh
University of Salento
Institut National de Physique Nucléaire et de Physique des Particules (IN2P3)
University of Copenhagen
Belarus Academy of Sciences
University of Sheffield
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
Universidad Técnica Federico Santa Maria
Indiana University Bloomington
University of Bergen
University of Siegen
New York University
University of Oslo
TU Dortmund University
Ankara University
Northern Illinois University
Universidade Federal do Rio de Janeiro
University of Pavia
University of Calabria
Radboud University Nijmegen
University of Coimbra
University of Udine
Kutahya Dumlupinar University
Dogus University
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
Czech Academy of Sciences
Jožef Stefan Institute
University of Naples Parthenope
Institute of Particle Physics
Technische Universität Dresden
National University of Science and Technology POLITEHNICA Bucharest
Charles University
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
Gazi University
TOBB University of Economics and Technology
Cadi Ayyad University
University of Innsbruck
Petersburg Nuclear Physics Institute (PNPI)
Shandong University
Ohio State University
University of Würzburg
National Center for Energy, Nuclear Science and Technology
Belarusian State University
Carleton University
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 the Witwatersrand
University of Science and Technology of China
The University of Osaka
University of Tsukuba
Nagoya University
Shinshu University
Aristotle University of Thessaloniki
Kyoto University
Institute of Science Tokyo
KTH Royal Institute of Technology
Waseda University
University of Hamburg
Manhattan College
Sun Yat-Sen University
Universidad Antonio Nariño
Hiroshima Institute of Technology
Okayama University
Hiroshima University
University of Minho
University of South Carolina
Wigner Research Centre for Physics
California Institute of Technology
Jagiellonian University in Kraków
Nagasaki Institute of Applied Science
Kyoto University of Education
Ritsumeikan University
Massachusetts Institute of Technology
Turkish Atomic Energy Authority

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72 Citas (Scopus)

Resumen

This letter reports on a search for hypothetical heavy neutrinos, N, and right-handed gauge bosons, W_R, in events with high transverse momentum objects which include two reconstructed leptons and at least one hadronic jet. The results were obtained from data corresponding to an integrated luminosity of 2.1 fb⁻¹collected in proton–proton collisions at √ s = 7 TeV with the ATLAS detector at the CERN Large Hadron Collider. No excess above the Standard Model background expectation is observed. Excluded mass regions for Majorana and Dirac neutrinos are presented using two approaches for interactions that violate lepton and lepton-flavor numbers. One approach uses an effective operator framework, the other approach is guided by the Left– Right Symmetric Model. The results described in this letter represent the most stringent limits to date on the masses of heavy neutrinos and W_Rbosons obtained in direct searches.

Idioma original	Inglés
Número de artículo	2056
Publicación	European Physical Journal C
Volumen	72
N.º	7
DOI	https://doi.org/10.1140/epjc/s10052-012-2056-4
Estado	Publicada - 3 jul 2012
Publicado de forma externa	Sí

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title = "Search for heavy neutrinos and right-handed W bosons in events with two leptons and jets in pp collisions at √s =7 TeV with the ATLAS detector",

abstract = "This letter reports on a search for hypothetical heavy neutrinos, N, and right-handed gauge bosons, WR, in events with high transverse momentum objects which include two reconstructed leptons and at least one hadronic jet. The results were obtained from data corresponding to an integrated luminosity of 2.1 fb−1collected in proton–proton collisions at √ s = 7 TeV with the ATLAS detector at the CERN Large Hadron Collider. No excess above the Standard Model background expectation is observed. Excluded mass regions for Majorana and Dirac neutrinos are presented using two approaches for interactions that violate lepton and lepton-flavor numbers. One approach uses an effective operator framework, the other approach is guided by the Left– Right Symmetric Model. The results described in this letter represent the most stringent limits to date on the masses of heavy neutrinos and WRbosons obtained in direct searches.",

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

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AU - Abdallah, J.

AU - Abdelalim, A. A.

AU - Kabana, S.

AU - ATLAS Collaboration

PY - 2012/7/3

Y1 - 2012/7/3

N2 - This letter reports on a search for hypothetical heavy neutrinos, N, and right-handed gauge bosons, WR, in events with high transverse momentum objects which include two reconstructed leptons and at least one hadronic jet. The results were obtained from data corresponding to an integrated luminosity of 2.1 fb−1collected in proton–proton collisions at √ s = 7 TeV with the ATLAS detector at the CERN Large Hadron Collider. No excess above the Standard Model background expectation is observed. Excluded mass regions for Majorana and Dirac neutrinos are presented using two approaches for interactions that violate lepton and lepton-flavor numbers. One approach uses an effective operator framework, the other approach is guided by the Left– Right Symmetric Model. The results described in this letter represent the most stringent limits to date on the masses of heavy neutrinos and WRbosons obtained in direct searches.

AB - This letter reports on a search for hypothetical heavy neutrinos, N, and right-handed gauge bosons, WR, in events with high transverse momentum objects which include two reconstructed leptons and at least one hadronic jet. The results were obtained from data corresponding to an integrated luminosity of 2.1 fb−1collected in proton–proton collisions at √ s = 7 TeV with the ATLAS detector at the CERN Large Hadron Collider. No excess above the Standard Model background expectation is observed. Excluded mass regions for Majorana and Dirac neutrinos are presented using two approaches for interactions that violate lepton and lepton-flavor numbers. One approach uses an effective operator framework, the other approach is guided by the Left– Right Symmetric Model. The results described in this letter represent the most stringent limits to date on the masses of heavy neutrinos and WRbosons obtained in direct searches.

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Search for heavy neutrinos and right-handed W bosons in events with two leptons and jets in pp collisions at √s =7 TeV with the ATLAS detector

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