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Measurement of the relative B.sub.c./sub..sup.±./sup. / B.sup.±./sup. production cross section with the ATLAS detector at √s =8 TeV

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    0551081 - FZÚ 2022 RIV US eng J - Journal Article
    Aaboud, M. - Aad, G. - Abbott, B. - Chudoba, Jiří - Hejbal, Jiří - Hladík, Ondřej - Jačka, Petr - Jakoubek, Tomáš - Kepka, Oldřich - Kroll, Jiří - Kupčo, Alexander - Lokajíček, Miloš - Lysák, Roman - Marčišovský, Michal - Mikeštíková, Marcela - Němeček, Stanislav - Penc, Ondřej - Šícho, Petr - Staroba, Pavel - Svatoš, Michal - Taševský, Marek … Total 2912 authors
    Measurement of the relative Bc± / B± production cross section with the ATLAS detector at √s =8 TeV.
    Physical Review D. Roč. 104, č. 1 (2021), č. článku 012010. ISSN 2470-0010. E-ISSN 2470-0029
    R&D Projects: GA MŠk(CZ) LTT17018
    Research Infrastructure: CERN-CZ II - 90104
    Institutional support: RVO:68378271
    Keywords : ATLAS * CERN * transverse momentum: momentum spectrum * Drell-Yan process
    OECD category: Particles and field physics
    Impact factor: 5.407, year: 2021
    Method of publishing: Open access

    The total cross section and differential cross sections for the production of Bc± mesons, times their branching fraction to J/ψπ±, are measured relative to those for the production of B± mesons, times their branching fraction to J/ψK±. The data used for this study correspond to an integrated luminosity of 20.3  fb-1 of pp collisions recorded by the ATLAS detector at the Large Hadron Collider in 2012 at a center-of-mass energy of s=8  TeV. The measurement is performed differentially in bins of transverse momentum pT for 13  GeV<pT(Bc±)<22  GeV and pT(Bc±)>22  GeV and in bins of rapidity y for |y|<0.75 and 0.75<|y|<2.3. The relative cross section times branching fraction for the full range pT>13  GeV and |y|<2.3 is (0.34±0.04stat -0.02+0.06sys±0.01lifetime)%.

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