Search for contact interactions and large extra dimensions in dilepton events from pp collisions at √s=7 TeV with the ATLAS detector

ATLAS Collaboration

doi:10.1103/PhysRevD.87.015010

Search for contact interactions and large extra dimensions in dilepton events from pp collisions at √s=7 TeV with the ATLAS detector

ATLAS Collaboration

University of Freiburg
University of Bonn
University of Oklahoma
ICREA
Université Paris-Sud and CNRS/IN2P3
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 lʼEnergie Atomique)
National Institute for Nuclear Physics
Abdus Salam International Centre for Theoretical Physics
AGH University of Krakow
Brookhaven National Laboratory
Hampton University
Yale University
Ludwig Maximilian University of Munich
Queen Mary University of London
Didcot
Brandeis University
Laboratório de Instrumentação e Física Experimental de Partículas
University of Granada
University of Bern
Johannes Gutenberg University Mainz
Boston University
Stony Brook University
University of Texas at Dallas
University of Rome Tor Vergata
Lund University
The University of Tokyo
P.N. Lebedev Physical Institute of the Russian Academy of Sciences
SUNY Albany
Royal Holloway University of London
University of Victoria BC
Laboratoire de Physique Subatomique et de Cosmologie de Grenoble
CERN
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
Kobe University
University of Liverpool
University of Glasgow
University of Manchester
University of Naples Federico II
Weizmann Institute of Science
Instituto de Física La Plata
Columbia University
High Energy Accelerator Research Organization, Tsukuba
Institute for High Energy Physics of National Research Centre ‘Kurchatov Institute’
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
Université Savoie Mont Blanc
University of Oxford
SLAC National Accelerator Laboratory
Duke University
University of Montreal
German Electron Synchrotron
Bogazici University
University of Michigan, Ann Arbor
Universidad Autónoma de Madrid
Alikhanov Institute for Theoretical and Experimental Physics
University of Rome La Sapienza
University of Cambridge
Stockholm University
The 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
University of Alberta
CAS - Institute of High Energy Physics
University College London
Charles University
Polish Academy of Sciences
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
Lancaster 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
CNRS/IN2P3
University of Copenhagen
Belarus Academy of Sciences
Czech Academy of Sciences
University of Belgrade
Kutahya Dumlupinar University
University of Pittsburgh
Université Clermont Auvergne
University of Texas at Arlington
Tokyo Metropolitan University
University of Massachusetts
University of Oregon
Uppsala University
Istanbul Technical University
Universidad Técnica Federico Santa Maria
Indiana University Bloomington
University of Bergen
University of Siegen
New York University
University of Oslo
TU Dortmund University
CSIC-UV - Instituto de Física Corpuscular (IFIC)
Ankara University
Northern Illinois University
Universidade Federal do Rio de Janeiro
University of Calabria
University of the Witwatersrand
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Universidad Autonoma de San Luis Potosi
Universidade Federal de Juiz de Fora
West University of Timisoara
Dogus University
Iowa State University
Nanjing University
Shanghai Jiao Tong University
Mohammed V University in Rabat
University of Arizona
Ivane Javakhishvili Tbilisi State University
University of California at Santa Cruz
Academia Sinica - Institute of Physics
University of Ljubljana
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
Universidade Federal de São João del-Rei
NOVA University Lisbon
Universidade de São Paulo
Justus Liebig University Giessen
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
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 Science and Technology of China
The University of Osaka
University of Tsukuba
Shinshu University
Aristotle University of Thessaloniki
Kyoto University
Institute of Science Tokyo
Adelaide University
KTH Royal Institute of Technology
Kyushu University
Waseda University
University of Hamburg
Manhattan College
Sun Yat-Sen University
Universidad Antonio Nariño
Hiroshima Institute of Technology
Okayama University
University of Minho
University of South Carolina
Wigner Research Centre for Physics
California Institute of Technology
Jagiellonian University in Kraków
University of KwaZulu-Natal
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
Belarusian State University
Gazi University

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54 引用（Scopus）

摘要

A search for nonresonant new phenomena, originating from either contact interactions or large extra spatial dimensions, has been carried out using events with two isolated electrons or muons. These events, produced at the LHC in proton-proton collisions at √s=7 TeV, were recorded by the ATLAS detector. The data sample, collected throughout 2011, corresponds to an integrated luminosity of 4.9 and 5.0 fb^-1 in the e⁺e ^- and μ⁺μ^- channels, respectively. No significant deviations from the Standard Model expectation are observed. Using a Bayesian approach, 95% confidence level lower limits ranging from 9.0 to 13.9 TeV are placed on the energy scale of ℓℓqq contact interactions in the left-left isoscalar model. Lower limits ranging from 2.4 to 3.9 TeV are also set on the string scale in large extra dimension models. After combining these limits with results from a similar search in the diphoton channel, slightly more stringent limits are obtained.

源语言	英语
文章编号	015010
期刊	Physical Review D - Particles, Fields, Gravitation and Cosmology
卷	87
期	1
DOI	https://doi.org/10.1103/PhysRevD.87.015010
出版状态	已出版 - 4 1月 2013
已对外发布	是

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@article{7c546aa84e3f4fffb647ad3b21e66939,

title = "Search for contact interactions and large extra dimensions in dilepton events from pp collisions at √s=7 TeV with the ATLAS detector",

abstract = "A search for nonresonant new phenomena, originating from either contact interactions or large extra spatial dimensions, has been carried out using events with two isolated electrons or muons. These events, produced at the LHC in proton-proton collisions at √s=7 TeV, were recorded by the ATLAS detector. The data sample, collected throughout 2011, corresponds to an integrated luminosity of 4.9 and 5.0 fb-1 in the e+e - and μ+μ- channels, respectively. No significant deviations from the Standard Model expectation are observed. Using a Bayesian approach, 95\% confidence level lower limits ranging from 9.0 to 13.9 TeV are placed on the energy scale of ℓℓqq contact interactions in the left-left isoscalar model. Lower limits ranging from 2.4 to 3.9 TeV are also set on the string scale in large extra dimension models. After combining these limits with results from a similar search in the diphoton channel, slightly more stringent limits are obtained.",

author = "\{ATLAS Collaboration\} and G. Aad and T. Abajyan and B. Abbott and J. Abdallah and \{Abdel Khalek\}, S. and Abdelalim, \{A. A.\} and O. Abdinov and R. Aben and B. Abi and M. Abolins and Abouzeid, \{O. S.\} and H. Abramowicz and H. Abreu and Acharya, \{B. S.\} and L. Adamczyk and Adams, \{D. L.\} and Addy, \{T. N.\} and J. Adelman and S. Adomeit and P. Adragna and T. Adye and S. Aefsky and Aguilar-Saavedra, \{J. A.\} and M. Agustoni and M. Aharrouche and Ahlen, \{S. P.\} and F. Ahles and A. Ahmad and M. Ahsan and G. Aielli and {\AA}kesson, \{T. P.A.\} and G. Akimoto and Akimov, \{A. V.\} and Alam, \{M. S.\} and Alam, \{M. A.\} and J. Albert and S. Albrand and M. Aleksa and Aleksandrov, \{I. N.\} and F. Alessandria and C. Alexa and G. Alexander and G. Alexandre and T. Alexopoulos and M. Alhroob and M. Aliev and G. Alimonti and J. Alison and Allbrooke, \{B. M.M.\} and L. Yuan",

note = "Publisher Copyright: {\textcopyright} 2013 CERN",

year = "2013",

month = jan,

day = "4",

doi = "10.1103/PhysRevD.87.015010",

language = "英语",

volume = "87",

journal = "Physical Review D - Particles, Fields, Gravitation and Cosmology",

issn = "1550-7998",

publisher = "American Physical Society",

number = "1",

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T1 - Search for contact interactions and large extra dimensions in dilepton events from pp collisions at √s=7 TeV with the ATLAS detector

AU - ATLAS Collaboration

AU - Aad, G.

AU - Abajyan, T.

AU - Abbott, B.

AU - Abdallah, J.

AU - Abdel Khalek, S.

AU - Abdelalim, A. A.

AU - Abdinov, O.

AU - Aben, R.

AU - Abi, B.

AU - Abolins, M.

AU - Abouzeid, O. S.

AU - Abramowicz, H.

AU - Abreu, H.

AU - Acharya, B. S.

AU - Adamczyk, L.

AU - Adams, D. L.

AU - Addy, T. N.

AU - Adelman, J.

AU - Adomeit, S.

AU - Adragna, P.

AU - Adye, T.

AU - Aefsky, S.

AU - Aguilar-Saavedra, J. A.

AU - Agustoni, M.

AU - Aharrouche, M.

AU - Ahlen, S. P.

AU - Ahles, F.

AU - Ahmad, A.

AU - Ahsan, M.

AU - Aielli, G.

AU - Åkesson, T. P.A.

AU - Akimoto, G.

AU - Akimov, A. V.

AU - Alam, M. S.

AU - Alam, M. A.

AU - Albert, J.

AU - Albrand, S.

AU - Aleksa, M.

AU - Aleksandrov, I. N.

AU - Alessandria, F.

AU - Alexa, C.

AU - Alexander, G.

AU - Alexandre, G.

AU - Alexopoulos, T.

AU - Alhroob, M.

AU - Aliev, M.

AU - Alimonti, G.

AU - Alison, J.

AU - Allbrooke, B. M.M.

AU - Yuan, L.

PY - 2013/1/4

Y1 - 2013/1/4

N2 - A search for nonresonant new phenomena, originating from either contact interactions or large extra spatial dimensions, has been carried out using events with two isolated electrons or muons. These events, produced at the LHC in proton-proton collisions at √s=7 TeV, were recorded by the ATLAS detector. The data sample, collected throughout 2011, corresponds to an integrated luminosity of 4.9 and 5.0 fb-1 in the e+e - and μ+μ- channels, respectively. No significant deviations from the Standard Model expectation are observed. Using a Bayesian approach, 95% confidence level lower limits ranging from 9.0 to 13.9 TeV are placed on the energy scale of ℓℓqq contact interactions in the left-left isoscalar model. Lower limits ranging from 2.4 to 3.9 TeV are also set on the string scale in large extra dimension models. After combining these limits with results from a similar search in the diphoton channel, slightly more stringent limits are obtained.

AB - A search for nonresonant new phenomena, originating from either contact interactions or large extra spatial dimensions, has been carried out using events with two isolated electrons or muons. These events, produced at the LHC in proton-proton collisions at √s=7 TeV, were recorded by the ATLAS detector. The data sample, collected throughout 2011, corresponds to an integrated luminosity of 4.9 and 5.0 fb-1 in the e+e - and μ+μ- channels, respectively. No significant deviations from the Standard Model expectation are observed. Using a Bayesian approach, 95% confidence level lower limits ranging from 9.0 to 13.9 TeV are placed on the energy scale of ℓℓqq contact interactions in the left-left isoscalar model. Lower limits ranging from 2.4 to 3.9 TeV are also set on the string scale in large extra dimension models. After combining these limits with results from a similar search in the diphoton channel, slightly more stringent limits are obtained.

UR - https://www.scopus.com/pages/publications/84872344345

U2 - 10.1103/PhysRevD.87.015010

DO - 10.1103/PhysRevD.87.015010

M3 - 文章

AN - SCOPUS:84872344345

SN - 1550-7998

VL - 87

JO - Physical Review D - Particles, Fields, Gravitation and Cosmology

JF - Physical Review D - Particles, Fields, Gravitation and Cosmology

IS - 1

M1 - 015010

ER -

Search for contact interactions and large extra dimensions in dilepton events from pp collisions at √s=7 TeV with the ATLAS detector

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