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Measurement of jet multiplicity distributions in t(t)over-bar production in pp collisions at root s=7TeV

The result's identifiers

  • Result code in IS VaVaI

    <a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00216208%3A11320%2F14%3A10284770" target="_blank" >RIV/00216208:11320/14:10284770 - isvavai.cz</a>

  • Result on the web

    <a href="http://dx.doi.org/10.1140/epjc/s10052-014-3014-0" target="_blank" >http://dx.doi.org/10.1140/epjc/s10052-014-3014-0</a>

  • DOI - Digital Object Identifier

    <a href="http://dx.doi.org/10.1140/epjc/s10052-014-3014-0" target="_blank" >10.1140/epjc/s10052-014-3014-0</a>

Alternative languages

  • Result language

    angličtina

  • Original language name

    Measurement of jet multiplicity distributions in t(t)over-bar production in pp collisions at root s=7TeV

  • Original language description

    The normalised differential top quark-antiquark production cross section is measured as a function of the jet multiplicity in proton-proton collisions at a centre-of-mass energy of 7 TeV at the LHC with the CMS detector. The measurement is performed in both the dilepton and lepton+jets decay channels using data corresponding to an integrated luminosity of 5.0 fb(-1). Using a procedure to associate jets to decay products of the top quarks, the differential cross section of the t (t) over bar production is determined as a function of the additional jet multiplicity in the lepton+jets channel. Furthermore, the fraction of events with no additional jets is measured in the dilepton channel, as a function of the threshold on the jet transverse momentum. Themeasurements are compared with predictions from perturbative quantum chromodynamics and no significant deviations are observed.

  • Czech name

  • Czech description

Classification

  • Type

    J<sub>x</sub> - Unclassified - Peer-reviewed scientific article (Jimp, Jsc and Jost)

  • CEP classification

    BF - Elementary particle theory and high energy physics

  • OECD FORD branch

Result continuities

  • Project

    <a href="/en/project/LG13031" target="_blank" >LG13031: Collaboration of the Czech Republic with CERN</a><br>

  • Continuities

    P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)

Others

  • Publication year

    2014

  • Confidentiality

    S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Data specific for result type

  • Name of the periodical

    European Physical Journal C

  • ISSN

    1434-6044

  • e-ISSN

  • Volume of the periodical

    74

  • Issue of the periodical within the volume

    8

  • Country of publishing house

    DE - GERMANY

  • Number of pages

    26

  • Pages from-to

    1-26

  • UT code for WoS article

    000340824000001

  • EID of the result in the Scopus database