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Comprehensive measurements of t-channel single top-quark production cross sections at √s=7 TeV with the ATLAS detector

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    0522637 - FZÚ 2020 RIV US eng J - Journal Article
    Aad, G. - Abbott, B. - Abdallah, J. - Böhm, Jan - Chudoba, Jiří - Havránek, Miroslav - Hejbal, Jiří - Jakoubek, Tomáš - Kepka, Oldřich - Kupčo, Alexander - Kůs, Vlastimil - Lokajíček, Miloš - Lysák, Roman - Marčišovský, Michal - Mikeštíková, Marcela - Němeček, Stanislav - Šícho, Petr - Staroba, Pavel - Svatoš, Michal - Taševský, Marek - Vrba, Václav
    Comprehensive measurements of t-channel single top-quark production cross sections at √s=7 TeV with the ATLAS detector.
    Physical Review D. Roč. 90, č. 11 (2014), s. 1-45, č. článku 112006. ISSN 2470-0010
    Institutional support: RVO:68378271
    Keywords : ATLAS * CERN LHC Coll * differential cross section: measured * p p: inclusive reaction * neural network * CKM matrix
    Subject RIV: BF - Elementary Particles and High Energy Physics
    OBOR OECD: Particles and field physics
    Impact factor: 4.643, year: 2014
    http://hdl.handle.net/11104/0307102

    This article presents measurements of the t-channel single top-quark (t) and top-antiquark (t¯) total production cross sections σ(tq) and σ(t¯q), their ratio Rt=σ(tq)/σ(t¯q), and a measurement of the inclusive production cross section σ(tq+t¯q) in proton--proton collisions at √s=7 TeV at the LHC. Differential cross sections for the tq and t¯q processes are measured as a function of the transverse momentum and the absolute value of the rapidity of t and t¯, respectively. The analyzed data set was recorded with the ATLAS detector and corresponds to an integrated luminosity of 4.59 fb−1. Selected events contain one charged lepton, large missing transverse momentum, and two or three jets. The cross sections are measured by performing a binned maximum-likelihood fit to the output distributions of neural networks.

    Permanent Link: http://hdl.handle.net/11104/0307102
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