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Please use this identifier to cite or link to this item: http://acervodigital.unesp.br/handle/11449/128937
Title: 
Search for resonances and quantum black holes using dijet mass spectra in proton-proton collisions at root s=8 TeV
Author(s): 
Institution: 
  • Yerevan Phys Inst
  • OeAW
  • Natl Ctr Particle &High Energy Phys
  • Univ Antwerp
  • Vrije Univ Brussel
  • Univ Libre Bruxelles
  • Univ Ghent
  • Catholic Univ Louvain
  • Univ Mons
  • Ctr Brasileiro Pesquisas Fis
  • Universidade do Estado do Rio de Janeiro (UERJ)
  • Universidade Estadual Paulista (UNESP)
  • Universidade Federal do ABC (UFABC)
  • Inst Nucl Energy Res
  • Univ Sofia
  • Inst High Energy Phys
  • Peking Univ
  • Univ Los Andes
  • Univ Split
  • Rudjer Boskovic Inst
  • Univ Cyprus
  • Charles Univ Prague
  • Egyptian Network High Energy Phys
  • NICPB
  • Univ Helsinki
  • Helsinki Inst Phys
  • Lappeenranta Univ Technol
  • CEA Saclay
  • Ecole Polytech
  • Univ Haute Alsace Mulhouse
  • Inst Natl Phys Nucl &Phys Particules
  • Univ Lyon 1
  • Tbilisi State Univ
  • Rhein Westfal TH Aachen
  • Deutsch Elekt Synchrotron
  • Univ Hamburg
  • Univ Karlsruhe
  • NCSR Demokritos
  • Univ Athens
  • Univ Ioannina
  • Wigner Res Ctr Phys
  • Inst Nucl Res ATOMKI
  • Univ Debrecen
  • Natl Inst Sci Educ &Res
  • Panjab Univ
  • Univ Delhi
  • Saha Inst Nucl Phys
  • Bhabha Atom Res Ctr
  • Tata Inst Fundamental Res
  • Indian Inst Sci Educ &Res IISER
  • Inst Res Fundamental Sci IPM
  • Univ Coll Dublin
  • INFN Sez Bari
  • Univ Bari
  • Politecn Bari
  • INFN Sez Bologna
  • Univ Bologna
  • INFN Sez Catania
  • Univ Catania
  • CSFNSM
  • INFN Sez Firenze
  • Univ Florence
  • INFN Lab Nazl Frascati
  • INFN Sez Genova
  • Univ Genoa
  • INFN Sez Milano Bicocca
  • Univ Milano Bicocca
  • INFN Sez Napoli
  • Univ Naples Federico II
  • Univ Basilicata Potenza
  • Univ G Marconi Roma
  • INFN Sez Padova
  • Univ Padua
  • Univ Trento Trento
  • INFN Sez Pavia
  • Univ Pavia
  • INFN Sez Perugia
  • Univ Perugia
  • INFN Sez Pisa
  • Univ Pisa
  • Scuola Normale Super Pisa
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  • Univ Rome
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  • Univ Turin
  • Univ Piemonte Orientale Novara
  • INFN Sez Trieste
  • Univ Trieste
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  • Kyungpook Natl Univ
  • Chonbuk Natl Univ
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  • Univ Malaya
  • IPN
  • Univ Iberoamer
  • Benemerita Univ Autonoma Puebla
  • Univ Autonoma San Luis Potosi
  • Univ Auckland
  • Univ Canterbury
  • Quaid I Azam Univ
  • Natl Ctr Nucl Res
  • Univ Warsaw
  • Lab Instrumentacao &Fis Expt Particulas
  • Joint Inst Nucl Res
  • Petersburg Nucl Phys Inst
  • Russian Acad Sci
  • Inst Theoret &Expt Phys
  • PN Lebedev Phys Inst
  • Moscow MV Lomonosov State Univ
  • Univ Belgrade
  • CIEMAT
  • Univ Autonoma Madrid
  • Univ Oviedo
  • Univ Cantabria
  • CERN
  • Paul Scherrer Inst
  • ETH
  • Univ Zurich
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  • Natl Taiwan Univ NTU
  • Chulalongkorn Univ
  • Cukurova Univ
  • Middle E Tech Univ
  • Bogazici Univ
  • Istanbul Tech Univ
  • Kharkov Inst Phys &Technol
  • Univ Bristol
  • Rutherford Appleton Lab
  • Univ London Imperial Coll Sci Technol &Med
  • Brunel Univ
  • Baylor Univ
  • Univ Alabama
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  • Brown Univ
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  • CALTECH
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  • Fermilab Natl Accelerator Lab
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  • Florida Int Univ
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  • Lawrence Livermore Natl Lab
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  • Vienna Univ Technol
  • Universidade Estadual de Campinas (UNICAMP)
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  • British Univ Egypt
  • Cairo Univ
  • Ain Shams Univ
  • Sultan Qaboos Univ
  • Univ Haute Alsace
  • Ilia State Univ
  • Brandenburg Tech Univ Cottbus
  • Eotvos Lorand Univ
  • Visva Bharati Univ
  • King Abdulaziz Univ
  • Univ Ruhuna
  • Isfahan Univ Technol
  • Univ Tehran
  • Islamic Azad Univ
  • Univ Siena
  • CNRS
  • St Petersburg State Polytech Univ
  • Ist Nazl Fis Nucl
  • Albert Einstein Ctr Fundamental Phys
  • Gaziosmanpasa Univ
  • Adiyaman Univ
  • Mersin Univ
  • Cag Univ
  • Piri Reis Univ
  • Anadolu Univ
  • Ozyegin Univ
  • Izmir Inst Technol
  • Necmettin Erbakan Univ
  • Mimar Sinan Univ
  • Marmara Univ
  • Kafkas Univ
  • Yildiz Tekn Univ
  • Univ Southampton
  • Vinca Inst Nucl Sci
  • Argonne Natl Lab
  • Erzincan Univ
  • Texas A&M Univ Qatar
ISSN: 
1550-7998
Sponsorship: 
  • Austrian Federal Ministry of Science, Research and Economy (BMWFW)
  • Austrian Science Fund (FWF)
  • Belgian Fonds de la Recherche Scientifique (FNRS)
  • Fonds voor Wetenschappelijk Onderzoek (FWO)
  • Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)
  • Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)
  • Fundação de Amparo à Pesquisa do Estado do Rio de Janeiro (FAPERJ)
  • Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)
  • Bulgarian Ministry of Education and Science (MES)
  • CERN
  • the Chinese Academy of Sciences, Ministry of Science and Technology (MOST)
  • National Natural Science Foundation of China (NSFC)
  • Colombian Funding Agency (COLCIENCIAS)
  • Croatian Ministry of Science, Education and Sport (MZOS)
  • Croatian Science Foundation
  • Research Promotion Foundation, Cyprus
  • Ministry of Education and Research, Estonian Research Council via IUT23-4 and IUT23-6
  • European Regional Development Fund, Estonia
  • Academy of Finland
  • |Finnish Ministry of Education and Culture
  • Helsinki Institute of Physics
  • Institut National de Physique Nucléaire et de Physique des Particules/CNRS
  • Commissariat à l’Énergie Atomique et aux Énergies Alternatives/CEA, France
  • Bundesministerium für Bildung und Forschung, Deutsche
  • Forschungsgemeinschaft
  • Helmholtz-Gemeinschaft Deutscher Forschungszentren, Germany
  • General Secretariat for Research and Technology, Greece
  • National Scientific Research Foundation, and National Innovation Office, Hungary
  • Department of Atomic Energy and the Department of Science and Technology, India
  • Institute for Studies in Theoretical Physics and Mathematics, Iran
  • Science Foundation, Ireland
  • Istituto Nazionale di Fisica Nucleare, Italy
  • Ministry of Science (ICT)
  • Future Planning, and National Research Foundation (NRF)
  • Republic of Korea
  • Lithuanian Academy of Sciences
  • Ministry of Education (Malaysia)
  • University of Malaya
  • CINVESTAV
  • CONACYT
  • SEP
  • UASLPFAI
  • Ministry of Business, Innovation and Employment, New Zealand
  • Pakistan Atomic Energy Commission
  • Ministry of Science and Higher Education and the National Science Centre, Poland
  • Fundação para a Ciência e a Tecnologia, Portugal
  • JINR, Dubna
  • Ministry of Education and Science of the Russian Federation
  • Federal Agency of Atomic Energy of the Russian Federation
  • Russian Academy of Sciences
  • Russian Foundation for Basic Research
  • Ministry of Education, Science and Technological Development of Serbia
  • Secretaría de Estado de Investigación, Desarrollo e Innovación
  • Programa Consolider-Ingenio 2010, Spain
  • S
  • ETH Board
  • ETH Zurich
  • PSI
  • SNF
  • UniZH
  • Canton Zurich
  • SER
  • Ministry of Science and Technology, Taipei
  • Thailand Center of Excellence in Physics
  • Institute for the Promotion of Teaching Science and Technology of Thailand
  • Special Task Force for Activating Research and the National Science and Technology Development Agency of Thailand
  • the Scientific and Technical Research Council of Turkey
  • Turkish Atomic Energy Authority
  • National Academy of Sciences of Ukraine
  • State Fund for Fundamental Researches, Ukraine
  • Science and Technology Facilities Council, UK
  • U.S. Department of Energy
  • U.S. National Science Foundation
  • Marie Curie program
  • European Research Council
  • EPLANET (European Union)
  • Leventis Foundation
  • A. P. Sloan Foundation
  • Alexander von Humboldt Foundation
  • Belgian Federal Science Policy Office
  • Fonds pour la Formation à la Recherche dans l’Industrie et dans l’Agriculture(FRIA-Belgium)
  • Agentschap voor Innovatie door Wetenschap en Technologie (IWT-Belgium)
  • Ministry of Education, Youth and Sports (MEYS) of the Czech Republic
  • Council of Science and Industrial Research, India
  • HOMINGPLUS program of Foundation for Polish Science
  • European Union
  • Regional Development Fund
  • Compagnia di San Paolo (Torino)
  • Consorzio per la Fisica (Trieste)
  • MIUR (Italy)
  • Thalis and Aristeia programs
  • EU-ESF
  • GreekNSRF
  • National Priorities Research Program by Qatar National Research Fund
Sponsorship Process Number: 
MIUR: 20108T4XTM
Abstract: 
A search for resonances and quantum black holes is performed using the dijet mass spectra measured in proton-proton collisions at root s = 8 TeV with the CMS detector at the LHC. The data set corresponds to an integrated luminosity of 19.7 fb(-1). In a search for narrow resonances that couple to quark-quark, quark-gluon, or gluon-gluon pairs, model-independent upper limits, at 95% confidence level, are obtained on the production cross section of resonances, with masses above 1.2 TeV. When interpreted in the context of specific models the limits exclude string resonances with masses below 5.0 TeV; excited quarks below 3.5 TeV; scalar diquarks below 4.7 TeV; W'bosons below 1.9 TeV or between 2.0 and 2.2 TeV; Z'bosons below 1.7 TeV; and Randall-Sundrum gravitons below 1.6 TeV. A separate search is conducted for narrow resonances that decay to final states including b quarks. The first exclusion limit is set for excited b quarks, with a lower mass limit between 1.2 and 1.6 TeV depending on their decay properties. Searches are also carried out for wide resonances, assuming for the first time width-to-mass ratios up to 30%, and for quantum black holes with a range of model parameters. The wide resonance search excludes axigluons and colorons with mass below 3.6 TeV, and color-octet scalars with mass below 2.5 TeV. Lower bounds between 5.0 and 6.3 TeV are set on the masses of quantum black holes.
Issue Date: 
12-Mar-2015
Citation: 
Physical Review D, v. 91, n. 5, p. 1-29, 2015.
Time Duration: 
1-29
Publisher: 
Amer Physical Soc
Source: 
http://journals.aps.org/prd/abstract/10.1103/PhysRevD.91.052009
URI: 
Access Rights: 
Acesso aberto
Type: 
outro
Source:
http://repositorio.unesp.br/handle/11449/128937
Appears in Collections:Artigos, TCCs, Teses e Dissertações da Unesp

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