Journal article
Search for vectorlike charge 2/3 T quarks in proton-proton collisions at √(s) = 8 TeV
Physical review. D, Particles, fields, gravitation, and cosmology, Vol.93(1), 012003
01/19/2016
DOI: 10.1103/PhysRevD.93.012003
Abstract
A search for fermionic top quark partners T of charge 2/3 is presented. The search is carried out in proton-proton collisions corresponding to an integrated luminosity of 19.7 fb−1 collected at a center-of-mass energy of √s = 8 TeV with the CMS detector at the LHC. The T quarks are assumed to be produced strongly in pairs and can decay into tH, tZ, and bW. The search is performed in five exclusive channels: a single-lepton channel, a multilepton channel, two all-hadronic channels optimized either for the bW or the tH decay, and one channel in which the Higgs boson decays into two photons. The results are found to be compatible with the standard model expectations in all the investigated final states. A statistical combination of these results is performed and lower limits on the T quark mass are set. Depending on the branching fractions, lower mass limits between 720 and 920 GeV at 95% confidence level are found. These are among the strongest limits on vectorlike T quarks obtained to date.
Details
- Title: Subtitle
- Search for vectorlike charge 2/3 T quarks in proton-proton collisions at √(s) = 8 TeV
- Creators
- CMS Collaboration (Institution)V Khachatryan - A. Alikhanyan National Laboratory
- Contributors
- B. Bilki (Contributor) - University of IowaW Clarida (Contributor) - University of IowaKamuran Dilsiz (Contributor) - University of Iowa, Physics and AstronomyS. Durgut (Contributor) - University of IowaR. P. Gandrajula (Contributor) - University of IowaM. Haytmyradov (Contributor) - University of IowaV Khristenko (Contributor) - University of IowaJ-P Merlo (Contributor) - University of IowaH Mermerkaya (Contributor) - University of IowaAlexi Mestvirishvili (Contributor) - University of Iowa, Physics and AstronomyA. Moeller (Contributor) - University of IowaJane M Nachtman (Contributor) - University of Iowa, Physics and AstronomyHasan Ogul (Contributor) - University of Iowa, Physics and AstronomyYasar Onel (Contributor) - University of Iowa, Physics and AstronomyF. Ozok (Contributor) - University of IowaAldo Penzo (Contributor) - University of Iowa, Physics and AstronomyC. Snyder (Contributor) - University of IowaP Tan (Contributor) - University of IowaE. Tiras (Contributor) - University of IowaKai Yi (Contributor) - University of Iowa, Physics and AstronomyJames W Wetzel (Contributor) - University of Iowa, Physics and Astronomy
- Resource Type
- Journal article
- Publication Details
- Physical review. D, Particles, fields, gravitation, and cosmology, Vol.93(1), 012003
- DOI
- 10.1103/PhysRevD.93.012003
- ISSN
- 1550-7998
- eISSN
- 1550-2368
- Publisher
- American Physical Society
- Grant note
- DOI: 10.13039/501100003413, name: Bundesministerium für Wissenschaft, Forschung und Wirtschaft; DOI: 10.13039/501100002428, name: Austrian Science Fund; DOI: 10.13039/501100003593, name: Conselho Nacional de Desenvolvimento Científico e Tecnológico; DOI: 10.13039/501100002322, name: Coordenação de Aperfeiçoamento de Pessoal de Nível Superior; DOI: 10.13039/501100004586, name: Fundação Carlos Chagas Filho de Amparo à Pesquisa do Estado do Rio de Janeiro; DOI: 10.13039/501100001807, name: Fundação de Amparo à Pesquisa do Estado de São Paulo; DOI: 10.13039/501100005992, name: Ministry of Education and Science; DOI: 10.13039/501100002367, name: Chinese Academy of Sciences; DOI: 10.13039/501100002855, name: Ministry of Science and Technology of the People’s Republic of China; DOI: 10.13039/501100001809, name: National Natural Science Foundation of China; DOI: 10.13039/100007637, name: Departamento Administrativo de Ciencia, Tecnología e Innovación; DOI: 10.13039/501100006588, name: Ministarstvo Znanosti, Obrazovanja i Sporta; DOI: 10.13039/501100003510, name: Haridus- ja Teadusministeerium; DOI: 10.13039/501100002301, name: Eesti Teadusagentuur, award: IUT23-4, IUT23-6; DOI: 10.13039/501100002341, name: Suomen Akatemia; DOI: 10.13039/501100004794, name: Centre National de la Recherche Scientifique; DOI: 10.13039/501100006489, name: Commissariat à l’Énergie Atomique et aux Énergies Alternatives; DOI: 10.13039/501100002347, name: Bundesministerium für Bildung und Forschung; DOI: 10.13039/501100001659, name: Deutsche Forschungsgemeinschaft; DOI: 10.13039/501100003448, name: General Secretariat for Research and Technology; DOI: 10.13039/501100006143, name: Department of Science and Technology, Government of Kerala; DOI: 10.13039/501100001602, name: Science Foundation Ireland; DOI: 10.13039/501100004007, name: Istituto Nazionale di Fisica Nucleare; DOI: 10.13039/501100003621, name: Ministry of Science, ICT and Future Planning; DOI: 10.13039/501100003725, name: National Research Foundation of Korea; DOI: 10.13039/501100004386, name: Universiti Malaya; DOI: 10.13039/501100003141, name: Consejo Nacional de Ciencia y Tecnología; DOI: 10.13039/501100005324, name: Universidad Autónoma de San Luis Potosí; DOI: 10.13039/501100003822, name: Joint Institute for Nuclear Research; DOI: 10.13039/501100003443, name: Ministry of Education and Science of the Russian Federation; DOI: 10.13039/501100002674, name: Russian Academy of Sciences; DOI: 10.13039/501100002261, name: Russian Foundation for Basic Research; DOI: 10.13039/501100004564, name: Ministarstvo Prosvete, Nauke i Tehnološkog Razvoja; DOI: 10.13039/501100003006, name: Eidgenössische Technische Hochschule Zürich; DOI: 10.13039/501100004219, name: Paul Scherrer Institut; DOI: 10.13039/501100001711, name: Schweizerischer Nationalfonds zur Förderung der Wissenschaftlichen Forschung; DOI: 10.13039/100009212, name: School of Energy Resources, University of Wyoming; DOI: 10.13039/501100004663, name: Ministry of Science and Technology, Taiwan; DOI: 10.13039/501100004742, name: National Academy of Sciences of Ukraine; DOI: 10.13039/100000015, name: U.S. Department of Energy; DOI: 10.13039/100000001, name: National Science Foundation; DOI: 10.13039/501100000781, name: European Research Council; DOI: 10.13039/501100004117, name: A.G. Leventis Foundation; DOI: 10.13039/100000879, name: Alfred P. Sloan Foundation; DOI: 10.13039/100005156, name: Alexander von Humboldt-Stiftung; DOI: 10.13039/501100003132, name: Agentschap voor Innovatie door Wetenschap en Technologie; DOI: 10.13039/501100003134, name: Fonds pour la Formation à la Recherche dans l’Industrie et dans l’Agriculture; DOI: 10.13039/501100003335, name: Ministry of Education Youth and Science; DOI: 10.13039/501100003407, name: Ministero dell’Istruzione, dell’Università e della Ricerca, award: 20108T4XTM; DOI: 10.13039/100000928, name: Welch Foundation, award: C-1845; DOI: 10.13039/501100002661, name: Fonds De La Recherche Scientifique - FNRS; DOI: 10.13039/501100003130, name: Fonds Wetenschappelijk Onderzoek; DOI: 10.13039/501100004488, name: Hrvatska Zaklada za Znanost; DOI: 10.13039/501100001810, name: Research Promotion Foundation; DOI: 10.13039/501100003093, name: Ministry of Higher Education, Malaysia; DOI: 10.13039/501100004569, name: Ministerstwo Nauki i Szkolnictwa Wy?szego; DOI: 10.13039/501100001871, name: Fundação para a Ciência e a Tecnologia; DOI: 10.13039/501100003330, name: Secretaría de Estado de Investigacion, Desarrollo e Innovacion; DOI: 10.13039/501100004192, name: National Science and Technology Development Agency; DOI: 10.13039/501100004410, name: Türkiye Bilimsel ve Teknolojik Ara?tirma Kurumu; DOI: 10.13039/501100000271, name: Science and Technology Facilities Council; DOI: 10.13039/501100004895, name: European Social Fund; DOI: 10.13039/100008982, name: Qatar National Research Fund; DOI: 10.13039/501100002873, name: Chulalongkorn University; DOI: 10.13039/501100008530, name: European Regional Development Fund; name: Helmholtz-Gemeinschaft Deutscher Forschungszentren; name: National Scientific Research Foundation; name: National Innovation Office, Hungary; DOI: 10.13039/501100008523, name: Lithuanian Academy of Sciences; DOI: 10.13039/501100008688, name: CINVESTAV; name: SEP; DOI: 10.13039/501100008689, name: Pakistan Atomic Energy Commission; DOI: 10.13039/501100013131, name: Federal Agency of Atomic Energy of the Russian Federation; name: UniZH; name: Canton Zurich; name: State Fund for Fundamental Researches, Ukraine; name: Marie-Curie program; name: EPLANET; name: Belgian Federal Science Policy Office; name: Council of Science and Industrial Research, India; name: HOMING PLUS; name: National Science Center (Poland); DOI: 10.13039/100007388, name: Compagnia di San Paolo (Torino); name: Finnish Ministry of Education and Culture Finland; name: Helsinki Institute of Physics Finland; name: Institute for Studies in Theoretical Physics and Mathematics Iran; name: Ministry of Business, Innovation and Employment New Zealand; name: Programa Consolider-Ingenio 2010 Spain; name: Thailand Center of Excellence in Physics Thailand; name: Institute for the Promotion of Teaching Science and Technology of Thailand; name: Special Task Force for Activating Research Thailand; name: Turkish Atomic Energy Authority Turkey; name: Consorzio per la Fisica (Trieste)
- Language
- English
- Date published
- 01/19/2016
- Academic Unit
- Physics and Astronomy
- Record Identifier
- 9984440557402771
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