ATLAS Collaboration (Including: Farrington, Sinead, Harrison, P. F., Janus, M., Jeske, C., Jones, G. (Graham), Martin, T. A., Murray, W. and Pianori, E.). (2014) Search for high-mass dilepton resonances in pp collisions at root s = 8 TeV with the ATLAS detector. Physical Review D (Particles, Fields, Gravitation and Cosmology), Volume 90 (Number 5). Article number 052005. doi:10.1103/PhysRevD.90 ISSN 1550-7998.

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Abstract

The ATLAS detector at the Large Hadron Collider is used to search for high-mass resonances decaying to dielectron or dimuon final states. Results are presented from an analysis of proton-proton (pp) collisions at a center-of-mass energy of 8 TeV corresponding to an integrated luminosity of 20.3 fb(-1) in the dimuon channel. A narrow resonance with Standard Model Z couplings to fermions is excluded at 95% confidence level for masses less than 2.79 TeV in the dielectron channel, 2.53 TeV in the dimuon channel, and 2.90 TeV in the two channels combined. Limits on other model interpretations are also presented, including a grand-unification model based on the E-6 gauge group, Z* bosons, minimal Z' models, a spin-2 graviton excitation from Randall-Sundrum models, quantum black holes, and a minimal walking technicolor model with a composite Higgs boson

Item Type:	Journal Article
Subjects:	Q Science > QC Physics
Divisions:	Faculty of Science, Engineering and Medicine > Science > Physics
Library of Congress Subject Headings (LCSH):	Large Hadron Collider (France and Switzerland), Hadron interactions, Leptons (Nuclear physics)
Journal or Publication Title:	Physical Review D (Particles, Fields, Gravitation and Cosmology)
Publisher:	American Physical Society
ISSN:	1550-7998
Official Date:	19 September 2014
Dates:	Date Event 19 September 2014 Published 6 August 2014 Accepted 16 May 2014 Submitted
Volume:	Volume 90
Number:	Number 5
Article Number:	Article number 052005
DOI:	10.1103/PhysRevD.90
Status:	Peer Reviewed
Publication Status:	Published
Access rights to Published version:	Open Access (Creative Commons)
Date of first compliant deposit:	28 July 2016
Date of first compliant Open Access:	28 July 2016
Funder:	European Organization for Nuclear Research (CERN), Agencia Nacional de Promoción Científica y Tecnológica (Argentina), Yerevan Physics Institute (Armenia), Australian Research Council (ARC), Austria. Bundesministerium für Wissenschaft und Forschung [Federal Ministry of Education, Science and Culture], Fonds zur Förderung der Wissenschaftlichen Forschung (Austria) (FWF), Azärbaycan Milli Elmlär Akademiyası, Belarus.‏ ‎Gosudarstvennyĭ komitet po nauke i tekhnologii︠a︡m‏, Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq), Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP), Natural Sciences and Engineering Research Council of Canada (NSERC), National Research Council Canada (NRCC), Canada Foundation for Innovation (CFI), Chile. Comisión Nacional de Investigación Científica y Tecnológica (CONICYT), Zhongguo ke xue yuan [Chinese Academy of Sciences] (CAS), Guo jia zi ran ke xue ji jin wei yuan hui (China) [National Natural Science Foundation of China] (NSFC), China. Guo jia ke xue ji shu bu [Ministry of Science and Technology], Fondo Colombiano de Investigaciones Científicas y Proyectos Especiales Francisco José de Caldas (COLCIENCIAS), VSC CR (Czech Republic), Czech Republic. Ministerstvo školství, mládeže a tělovýchovy [Ministry of Education, Youth, and Sport], Czech Republic.‏ ‎Ministerstvo průmyslu a obchodu‏ [Ministery of Industry and Trade] (MPO), Lundbeck Foundation, Danmarks Grundforskningsfond [Danish National Research Foundation], Statens naturvidenskabelige forskningsråd (Denmark) [Natural Science Research Council], European Particle physics Latin American NETwork (EPLANET), European Research Council (ERC), Institut national de physique nucléaire et de physique des particules (IN2P3), Centre national de la recherche scientifique (France) (CNRS), France. Commissariat à l'énergie atomique (CEA), Sakʻartʻvelos mecʻnierebatʻa erovnuli akademia [Georgian National Academy of Sciences] (GNAS), Germany. Bundesministerium für Bildung und Forschung (BMBF), Deutsche Forschungsgemeinschaft (DFG), Hermann von Helmholtz-Gemeinschaft Deutscher Forschungszentren (HGF), Max-Planck-Gesellschaft zur Förderung der Wissenschaften [Max Planck Society for the Advancement of Science], Alexander von Humboldt-Stiftung (AvHS), Greece. General Secretariat of Research and Technology, Israel Science Foundation (ISF), Minerva Stiftung, German-Israeli Foundation for Scientific Research and Development, Israeli Centers of Research Excellence (I-CORE), Benoziyo Center (Israel), Istituto nazionale di fisica nucleare (INFN), Japan. Monbu Kagakushō [Japan. Ministry of Education, Culture, Sports, Science and Technology] (MK), Nihon Gakujutsu Shinkōkai [Japan Society for the Promotion of Science] (NGS), Centre national pour la recherche scientifique et technique (Morocco), Stichting voor Fundamenteel Onderzoek der Materie (FOM) [Foundation for Fundamental Research on Matter], Nederlandse Organisatie voor Wetenschappelijk Onderzoek [Netherlands Organisation for Scientific Research] (NWO), Norges forskningsråd [Norwegian Research Council], BRF (Norway), Poland. Ministerstwo Nauki i Szkolnictwa Wyższego [Ministry of Science and Higher Education] (MNiSW), Narodowe Centrum Nauki (NCN), Portugal.‏ Ministério da Ciência, da Inovação e do Ensino Superior, Fundação para a Ciência e a Tecnologia (FCT), Romania.‏ Ministerul Educației Naționale‏ (MNE), Institutul de Fizică Atomică (IFA), Russia (Federation). Ministerstvo obrazovanii︠a︡ [Ministry of Education], Federalʹnoe agentstvo po atomnoĭ ėnergii (Russia), Serbia. Joint Institute for Nuclear Research (JINR), Serbia. Ministarstvo prosvete i sporta‏ [Ministry of Education] (MSTD), Slovenia. Ministerstvo Spravodlivosti Slovenskej Republiky, Slovenian Research Agency, Slovenia.‏ Ministrstvo za šolstvo, znanost in šport‏, South Africa. Department of Science and Technology, National Research Foundation (South Africa) (NRF), Spain. Ministerio de Economía y Competitividad [Ministry of Economy and Competitiveness] (MINECO), Sweden. Vetenskapsrådet [Research Council], Knut och Alice Wallenbergs Stiftelse (Sweden), Switzerland. Staatssekretariat für Ausbildung und Forschung (SER), Schweizerischer Nationalfonds zur Förderung der Wissenschaftlichen Forschung [Swiss National Science Foundation] (SNSF), Bern (Switzerland : Canton), Türkiye Atom Enerjisi Kurumu (TAEK), Geneva (Switzerland : Canton), China. Guo jia ke xue ji shu bu [Ministry of Science and Technology], National Strategic Research Framework (Greece), Science and Technology Facilities Council (Great Britain) (STFC), Royal Society (Great Britain), Leverhulme Trust (LT), United States. Department of Energy, National Science Foundation (U.S.) (NSF)

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