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Publication - Dr Henning Flaecher

    Measurement of quarkonium production cross sections in pp collisions at √s=13TeV

    Citation

    Aggleton, R, Ball, F, Beck, L, Brooke, J, Burns, D, Clement, E, Cussans, D, Davignon, O, Flächer, H, Goldstein, J, Grimes, M, Heath, G, Heath, H, Jacob, J, Kreczko, L, Lucas, C, Newbold, D, Paramesvaran, S, Poll, T, Sakuma, T, El Nasr, SAS, Smith, D, Smith, VJ & , 2018, ‘Measurement of quarkonium production cross sections in pp collisions at √s=13TeV’. Physics Letters B, vol 780., pp. 251-272

    Abstract

    Differential production cross sections of J/ψ and ψ(2S) charmonium and Υ(nS) (n = 1, 2, 3) bottomonium states are measured in proton-proton collisions at s√= 13 TeV, with data collected by the CMS detector at the LHC, corresponding to an integrated luminosity of 2.3 fb−1 for the J/ψ and 2.7 fb−1 for the other mesons. The five quarkonium states are reconstructed in the dimuon decay channel, for dimuon rapidity |y|< 1.2. The double-differential cross sections for each state are measured as a function of y and transverse momentum, and compared to theoretical expectations. In addition, ratios are presented of cross sections for prompt ψ(2S) to J/ψ, Υ(2S) to Υ(1S), and Υ(3S) to Υ(1S) production.

    Full details in the University publications repository