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Accès ouvert déclaré 2016 article

Measurement of the integrated and differential tt¯ production cross sections for high- pT top quarks in pp collisions at s=8 TeV

43Citations signalées — pas une note de qualité
198Institutions déclarées
42Pays d’affiliation déclarés

Résumé fourni par la source

The cross section for pair production of top quarks ($t\overline{t}$) with high transverse momenta is measured in $pp$ collisions, collected with the CMS detector at the LHC with $\sqrt{s}=8\text{ }\text{ }\mathrm{TeV}$ in data corresponding to an integrated luminosity of $19.7\text{ }\text{ }{\mathrm{fb}}^{\ensuremath{-}1}$. The measurement is performed using $\mathrm{lepton}+\text{jets}$ events, where one top quark decays semileptonically, while the second top quark decays to a hadronic final state. The hadronic decay is reconstructed as a single, large-radius jet, and identified as a top quark candidate using jet substructure techniques. The integrated cross section and the differential cross sections as a function of top quark ${p}_{\mathrm{T}}$ and rapidity are measured at particle level within a fiducial region related to the detector-level requirements and at parton level. The particle-level integrated cross section is found to be ${\ensuremath{\sigma}}_{t\overline{t}}=0.499\ifmmode\pm\else\textpm\fi{}0.035(\mathrm{stat}+\mathrm{syst})\ifmmode\pm\else\textpm\fi{}0.095(\mathrm{theo})\ifmmode\pm\else\textpm\fi{}0.013(\mathrm{lumi})\text{ }\text{ }\mathrm{pb}$ for top quark ${p}_{\mathrm{T}}>400\text{ }\text{ }\mathrm{GeV}$. The parton-level measurement is ${\ensuremath{\sigma}}_{t\overline{t}}=1.44\ifmmode\pm\else\textpm\fi{}0.10(\mathrm{stat}+\mathrm{syst})\ifmmode\pm\else\textpm\fi{}0.29(\mathrm{theo})\ifmmode\pm\else\textpm\fi{}0.04(\mathrm{lumi})\text{ }\text{ }\mathrm{pb}$. The integrated and differential cross section results are compared to predictions from several event generators.

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Contrôle bibliographique ouvert

DOI retrouvé dans Crossref DOI retrouvé, mais le titre doit être comparé manuellement.

Titre Crossref
Measurement of the integrated and differential<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mi>t</mml:mi><mml:mover accent="true"><mml:mi>t</mml:mi><mml:mo stretchy="false">¯</mml:mo></mml:mover></mml:math>production cross sections for high-<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mrow><mml:msub><mml:mrow><mml:mi>p</mml:mi></mml:mrow><mml:mrow><mml:mi mathvariant="normal">T</mml:mi></mml:mrow></mml:msub></mml:mrow></mml:math>top quarks in<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mi>p</mml:mi><mml:mi>p</mml:mi></mml:math>collisions at<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mrow><mml:msqrt><mml:mrow><mml:mi>s</mml:mi></mml:mrow></mml:msqrt><mml:mo>=</mml:mo><mml:mn>8</mml:mn><mml:mtext> </mml:mtext><mml:mtext> </mml:mtext><mml:mi>TeV</mml:mi></mml:mrow></mml:math>
Date Crossref
12/10/2016
Éditeur
American Physical Society (APS)
Type
journal-article

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Institutions déclarées

A. Alikhanyan National LaboratoryInstitute of High Energy PhysicsUniversity of AntwerpVrije Universiteit BrusselUniversité Libre de BruxellesGhent University HospitalUCLouvainUniversity of MonsCentro Brasileiro de Pesquisas FísicasUniversidade do Estado do Rio de JaneiroUniversidade Estadual Paulista (Unesp)Universidade Federal do ABCInstitute for Nuclear Research and Nuclear EnergySofia University "St. Kliment Ohridski"Beihang UniversityInstitute of High Energy PhysicsAbdus Salam Centre for PhysicsTexas Tech UniversityPeking UniversityVanderbilt UniversityUniversidad de Los AndesUniversidad de CantabriaInstituto de Física de CantabriaUniversity of Maryland, College ParkUniversity of SplitRuđer Bošković InstituteUniversity of CyprusCharles UniversityUniversidad San Francisco de QuitoAcademy of Scientific Research and TechnologyNational Institute of Chemical Physics and BiophysicsUniversity of HelsinkiHelsinki Institute of PhysicsLappeenranta-Lahti University of TechnologyCommissariat à l'Énergie Atomique et aux Énergies AlternativesCEA Paris-SaclayInstitut de Recherche sur les Lois Fondamentales de l'UniversCentre National de la Recherche ScientifiqueÉcole PolytechniqueInstitut National de Physique Nucléaire et de Physique des ParticulesLaboratoire Leprince-RinguetUniversité de Haute-AlsaceInstitut Pluridisciplinaire Hubert CurienUniversité de StrasbourgCentre de Calcul de l’Institut National de Physique Nucléaire et de Physique des ParticulesLyon 1 UniversitéInstitute of Nuclear Physics of LyonGeorgian Technical UniversityTbilisi State UniversityRWTH Aachen UniversityFermi National Accelerator LaboratoryDeutsches Elektronen-Synchrotron DESYUniversidad de OviedoUniversität HamburgMax Planck Institute for Nuclear PhysicsUniversity of California, Los AngelesNational Centre of Scientific Research "Demokritos"Institute of Nuclear and Particle PhysicsNational and Kapodistrian University of AthensUniversity of IoanninaEötvös Loránd UniversityHUN-REN Wigner Research Centre for PhysicsHUN-REN Institute for Nuclear ResearchUniversity of DebrecenNational Institute of Science Education and ResearchPanjab UniversityUniversity of DelhiNational Taiwan UniversityUniversity at Buffalo, State University of New YorkUniversity of California San DiegoSaha Institute of Nuclear PhysicsNorthwestern UniversityTata Institute of Fundamental ResearchBhabha Atomic Research CentreNational Central UniversityIndian Institute of Science Education and Research PuneUniversity of California, DavisInstitute for Research in Fundamental SciencesUniversity College DublinIstituto Nazionale di Fisica Nucleare, Sezione di BariUniversity of Bari Aldo MoroPolytechnic University of BariIstituto Nazionale di Fisica Nucleare, Sezione di BolognaUniversity of BolognaIstituto Nazionale di Fisica Nucleare, Laboratori Nazionali di FrascatiUniversity of CataniaIstituto Nazionale di Fisica Nucleare, Sezione di CataniaIstituto Nazionale di Fisica Nucleare, Sezione di FirenzeUniversity of FlorenceIstituto Nazionale di Fisica Nucleare, Sezione di GenovaUniversity of GenoaIstituto Nazionale di Fisica Nucleare, Sezione di Milano BicoccaUniversity of Milano-BicoccaIstituto Nazionale di Fisica Nucleare, Sezione di NapoliUniversity of BasilicataMarconi UniversityUniversity of Naples Federico IIIstituto Nazionale di Fisica Nucleare, Sezione di PadovaUniversity of PaduaIstituto Nazionale di Fisica Nucleare, Sezione di PaviaUniversity of PaviaUniversity of PerugiaIstituto Nazionale di Fisica Nucleare, Sezione di PerugiaIstituto Nazionale di Fisica Nucleare, Sezione di PisaScuola Normale SuperioreUniversity of PisaIstituto Nazionale di Fisica Nucleare, Sezione di Roma IIstituto Nazionale di Fisica Nucleare, Sezione di TorinoUniversity of TurinUniversità degli Studi del Piemonte Orientale “Amedeo Avogadro”University of TriesteIstituto Nazionale di Fisica Nucleare, Sezione di TriesteKangwon National UniversityKyungpook National UniversitySungkyunkwan UniversityKorea UniversityJeonbuk National UniversityUniversity of SeoulChonnam National UniversitySeoul National UniversityVilnius UniversityUniversity of MalayaInstituto Politécnico NacionalCentro de Investigación y de Estudios Avanzados del Instituto Politécnico NacionalIbero American UniversityBenemérita Universidad Autónoma de PueblaAutonomous University of San Luis PotosíUniversity of AucklandUniversity of CanterburyNational Centre for Nuclear ResearchUniversity of WarsawLIP - Laboratory of Instrumentation and Experimental Particle PhysicsJoint Institute for Nuclear ResearchPetersburg Nuclear Physics InstituteInstitute for Nuclear ResearchInstitute for Theoretical and Experimental PhysicsNational Research Nuclear University MEPhIP.N. Lebedev Physical Institute of the Russian Academy of SciencesLomonosov Moscow State UniversityRutherford Appleton LaboratoryInstitute for High Energy PhysicsUniversity of BelgradeVinča Institute of Nuclear SciencesCentro de Investigaciones Energéticas, Medioambientales y TecnológicasUniversidad Autónoma de MadridEuropean Organization for Nuclear ResearchUniversity of Wisconsin–MadisonPaul Scherrer InstituteETH ZurichUniversity of ZurichChulalongkorn UniversityCukurova UniversityMiddle East Technical UniversityBoğaziçi UniversityIstanbul Technical UniversityInstitute for Scintillation MaterialsKharkiv Institute of Physics and TechnologyUniversity of BristolImperial College LondonUniversity of Puerto Rico-MayaguezTexas A&M UniversityBrunel University of LondonBaylor UniversityUniversity of AlabamaBoston UniversityBrown UniversityUniversity of California, RiversideUniversity of California, Santa BarbaraCalifornia Institute of TechnologyCarnegie Mellon UniversityUniversity of Colorado BoulderCornell UniversityUniversity of FloridaMassachusetts Institute of TechnologyFlorida International UniversityFlorida State UniversityFlorida Institute of TechnologyUniversity of Illinois ChicagoNortheastern UniversityUniversity of IowaJohns Hopkins UniversityUniversity of KansasKansas State UniversityLawrence Livermore National LaboratoryUniversity of MinnesotaUniversity of MississippiUniversity of Nebraska–LincolnUniversity of Notre DameThe Ohio State UniversityPrinceton UniversityPurdue University West LafayettePurdue University NorthwestRice UniversityUniversity of RochesterRutgers, The State University of New JerseyUniversity of Tennessee at KnoxvilleUniversity of VirginiaWayne State University

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Sujets associés

Particle physics theoretical and experimental studiesHigh-Energy Particle Collisions ResearchParticle Detector Development and Performance

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