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Measurement of the bb¯ dijet cross section in pp collisions at √s=7 TeV with the ATLAS detector

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    0522558 - FZÚ 2020 RIV US eng J - Článek v odborném periodiku
    Aaboud, M. - Aad, G. - Abbott, B. - Chudoba, Jiří - Havránek, Miroslav - Hejbal, Jiří - Jakoubek, Tomáš - Kepka, Oldřich - Kupčo, Alexander - Kůs, Vlastimil - Lokajíček, Miloš - Lysák, Roman - Marčišovský, Michal - Mikeštíková, Marcela - Němeček, Stanislav - Penc, Ondřej - Šícho, Petr - Staroba, Pavel - Svatoš, Michal - Taševský, Marek - Vrba, Václav … celkem 2855 autorů
    Measurement of the bb¯ dijet cross section in pp collisions at √s=7 TeV with the ATLAS detector.
    European Physical Journal C. Roč. 76, č. 12 (2016), s. 1-24, č. článku 670. ISSN 1434-6044. E-ISSN 1434-6052
    Institucionální podpora: RVO:68378271
    Klíčová slova: ATLAS * CERN LHC Coll * quantum chromodynamics: perturbation theory * hadronization * 7000 GeV-cms * experimental results
    Obor OECD: Particles and field physics
    Impakt faktor: 5.297, rok: 2016
    Způsob publikování: Open access

    The dijet production cross section for jets containing a b-hadron (b-jets) has been measured in proton–proton collisions with a centre-of-mass energy of √s=7 TeV, using the ATLAS detector at the LHC. The data used correspond to an integrated luminosity of 4.2fb−1 . The cross section is measured for events with two identified b-jets with a transverse momentum pT>20 GeV and a minimum separation in the η – ϕ plane of ΔR=0.4 . At least one of the jets in the event is required to have pT>270 GeV. The cross section is measured differentially as a function of dijet invariant mass, dijet transverse momentum, boost of the dijet system, and the rapidity difference, azimuthal angle and angular distance between the b-jets.

    Trvalý link: http://hdl.handle.net/11104/0307030

     
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