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Please use this identifier to cite or link to this item: http://acervodigital.unesp.br/handle/11449/129582
Title: 
Search for vector-like T quarks decaying to top quarks and Higgs bosons in the all-hadronic channel using jet substructure
Author(s): 
Institution: 
  • Yerevan Phys Inst
  • Inst Hochenergiephys 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)
  • Bulgarian Acad Sci
  • Univ Sofia
  • Inst High Energy Phys
  • Peking Univ
  • Univ Los Andes
  • Univ Split
  • Inst Rudjer Boskov
  • Univ Cyprus
  • Charles Univ Prague
  • Acad Sci Res & Technol Arab Republ Egypt
  • NICPB
  • Univ Helsinki
  • Helsinki Inst Phys
  • Lappeenranta Univ Technol
  • CEA Saclay
  • Ecole Polytech
  • Univ Haute Alsace Mulhouse
  • CNRS
  • Univ Lyon 1
  • Tbilisi State Univ
  • Rhein Westfal TH Aachen
  • DESY
  • Univ Hamburg
  • Univ Karlsruhe
  • Inst Nucl & Particle Phys
  • Univ Athens
  • Univ Ioannina
  • Wigner Res Ctr Phys
  • 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
  • Inst Res Fundamental Sci IPM
  • Univ Coll Dublin
  • Ist Nazl Fis Nucl
  • Univ Bari
  • Politecn Bari
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  • Univ Catania
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  • Univ Florence
  • Univ Genoa
  • Univ Milano Bicocca
  • Univ Naples Federico II
  • Univ Basilicata
  • Univ G Marconi
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  • Univ Perugia
  • Univ Pisa
  • Scuola Normale Super Pisa
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  • Univ Piemonte Orientale
  • Univ Trieste
  • Kangwon Natl Univ
  • Kyungpook Natl Univ
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  • 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
  • Vinca Inst Nucl Sci
  • Ctr Invest Energet Medioambientales &Technol CIE
  • Univ Autonoma Madrid
  • Univ Oviedo
  • Univ Cantabria
  • CERN
  • Paul Scherrer Inst
  • ETH
  • Univ Zurich
  • Natl Cent Univ
  • Natl Taiwan Univ
  • 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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  • CALTECH
  • Carnegie Mellon Univ
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  • Fermilab Natl Accelerator Lab
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  • Florida Int Univ
  • Florida State Univ
  • Florida Inst Technol
  • UIC
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  • Kansas State Univ
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  • Vienna Univ Technol
  • Universidade Estadual de Campinas (UNICAMP)
  • Suez Univ
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  • Fayoum Univ
  • Ain Shams Univ
  • British Univ Egypt
  • Univ Haute Alsace
  • Brandenburg Tech Univ Cottbus
  • Inst Nucl Res ATOMKI
  • Eotvos Lorand Univ
  • Visva Bharati Univ
  • Univ Ruhuna
  • Isfahan Univ Technol
  • Univ Tehran
  • Islamic Azad Univ
  • Univ Siena
  • St Petersburg State Polytech Univ
  • Natl Res Nucl Univ Moscow
  • Albert Einstein Ctr Fundamental Phys
  • Gaziosmanpasa Univ
  • Adiyaman Univ
  • Mersin Univ
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  • Piri Reis Univ
  • Anadolu Univ
  • Ozyegin Univ
  • Izmir Inst Technol
  • Necmettin Erbakan Univ
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  • Marmara Univ
  • Kafkas Univ
  • Yildiz Tekn Univ
  • Univ Southampton
  • Argonne Natl Lab
  • Erzincan Univ
ISSN: 
1029-8479
Sponsorship: 
  • BMWFW (Austria)
  • FWF (Austria)
  • FNRS (Belgium)
  • FWO (Belgium)
  • 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)
  • MES (Bulgaria)
  • CERN
  • CAS (China)
  • MoST (China)
  • NSFC (China)
  • COL-CIENCIAS (Colombia)
  • MSES (Croatia)
  • CSF (Croatia)
  • RPF (Cyprus)
  • MoER (Estonia)
  • ERC IUT (Estonia)
  • ERDF (Estonia)
  • Academy of Finland (Finland)
  • MEC (Finland)
  • HIP (Finland)
  • CEA (France)
  • CNRS/IN2P3 (France)
  • BMBF (Germany)
  • DFG (Germany)
  • HGF (Germany)
  • GSRT (Greece)
  • OTKA (Hungary)
  • NIH (Hungary)
  • DAE (India)
  • IPM (Iran)
  • SFI (Ireland)
  • INFN (Italy)
  • MSIP (Republic of Korea)
  • NRF (Republic of Korea)
  • LAS (Lithuania)
  • MOE (Malaysia)
  • UM (Malaysia)
  • CINVESTAV (Mexico)
  • CONACYT (Mexico)
  • SEP (Mexico)
  • UASLP-FAI (Mexico)
  • MBIE (New Zealand)
  • PAEC (Pakistan)
  • MSHE (Poland)
  • NSC (Poland)
  • FCT (Portugal)
  • JINR (Dubna)
  • MON (Russia)
  • RosAtom (Russia)
  • RAS (Russia)
  • RFBR (Russia)
  • MESTD (Serbia)
  • SEIDI (Spain)
  • CPAN (Spain)
  • Swiss Funding Agencies (Switzerland)
  • MST (Taipei)
  • ThEPCenter (Thailand)
  • IPST (Thailand)
  • STAR (Thailand)
  • NSTDA (Thailand)
  • TUBITAK (Turkey)
  • TAEK (Turkey)
  • NASU (Ukraine)
  • SFFR (Ukraine)
  • STFC (United Kingdom)
  • DOE (U.S.A.)
  • NSF (U.S.A.)
  • Marie-Curie programme and the 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 a la Recherche dans l'Industrie et dans l'Agriculture (FRIA-Belgium)
  • Ministry of Education, Youth and Sports (MEYS) of the Czech Republic
  • Council of Science and Industrial Research, India
  • HOMING PLUS programme of the Foundation for Polish Science
  • European Union, Regional Development Fund
  • Compagnia di San Paolo (Torino)
  • Consorzio per la Fisica (Trieste)
  • MIUR project (Italy)
  • EU-ESF
  • Greek NSRF
  • Qatar National Research Fund
Sponsorship Process Number: 
MIUR: 20108T4XTM
Abstract: 
A search is performed for a vector-like heavy T quark that is produced in pairs and that decays to a top quark and a Higgs boson. The data analysed correspond to an integrated luminosity of 19.7 fb(-1) collected with the CMS detector in proton-proton collisions at root s = 8TeV. For T quarks with large mass values the top quarks and Higgs bosons can have significant Lorentz boosts, so that their individual decay products often overlap and merge. Methods are applied to resolve the substructure of such merged jets. Upper limits on the production cross section of a T quark with mass between 500 and 1000 GeV/c(2) are derived. If the T quark decays exclusively to tH, the observed (expected) lower limit on the mass of the T quark is 745 (773) GeV/c(2) at 95% confidence level. For the first time an algorithm is used for tagging boosted Higgs bosons that is based on a combination of jet substructure information and b tagging.
Issue Date: 
12-Jun-2015
Citation: 
Journal Of High Energy Physics. New York: Springer, n. 6, p. 1-48, 2015.
Time Duration: 
1-48
Publisher: 
Springer
Keywords: 
  • Hadron-Hadron Scattering
  • Beyond Standard Model
  • Top physics
Source: 
http://link.springer.com/article/10.1007%2FJHEP06%282015%29080
URI: 
Access Rights: 
Acesso aberto
Type: 
outro
Source:
http://repositorio.unesp.br/handle/11449/129582
Appears in Collections:Artigos, TCCs, Teses e Dissertações da Unesp

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