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Measurement of the W boson polarization in top quark decays with the ATLAS detector

The result's identifiers

  • Result code in IS VaVaI

    <a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F68407700%3A21340%2F12%3A00202625" target="_blank" >RIV/68407700:21340/12:00202625 - isvavai.cz</a>

  • Alternative codes found

    RIV/68407700:21260/12:00202625 RIV/68407700:21670/12:00202625 RIV/68407700:21220/12:00202625

  • Result on the web

    <a href="http://dx.doi.org/10.1007/JHEP06(2012)088" target="_blank" >http://dx.doi.org/10.1007/JHEP06(2012)088</a>

  • DOI - Digital Object Identifier

    <a href="http://dx.doi.org/10.1007/JHEP06(2012)088" target="_blank" >10.1007/JHEP06(2012)088</a>

Alternative languages

  • Result language

    angličtina

  • Original language name

    Measurement of the W boson polarization in top quark decays with the ATLAS detector

  • Original language description

    This paper presents measurements of the polarization of W bosons in top quark decays, derived from t (t) over bar events with missing transverse momentum, one charged lepton and at least four jets, or two charged leptons and at least two jets. Data frompp collisions at a centre-of-mass energy of 7 TeV were collected with the ATLAS experiment at the LHC and correspond to an integrated luminosity of 1.04 fb(-1). The measured fractions of longitudinally, left-and right-handed polarization are F-0 = 0.67 +/- 0.07, F-L = 0.32 +/- 0.04 and F-R = 0.01 +/- 0.05, in agreement with the Standard Model predictions. As the polarization of the W bosons in top quark decays is sensitive to the Wtb vertex Lorentz structure and couplings, the measurements were used toset limits on anomalous contributions to the Wtb couplings.

  • 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

    Result was created during the realization of more than one project. More information in the Projects tab.

  • Continuities

    P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)<br>Z - Vyzkumny zamer (s odkazem do CEZ)

Others

  • Publication year

    2012

  • Confidentiality

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

Data specific for result type

  • Name of the periodical

    JOURNAL OF HIGH ENERGY PHYSICS

  • ISSN

    1029-8479

  • e-ISSN

  • Volume of the periodical

    1206

  • Issue of the periodical within the volume

    6

  • Country of publishing house

    IT - ITALY

  • Number of pages

    46

  • Pages from-to

    "088-1"-"088-46"

  • UT code for WoS article

    000306416500089

  • EID of the result in the Scopus database

    2-s2.0-84864456329