Production of J/ψ and Υ mesons in pp collisions at √s = 8 TeV
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The production of J/ψ and Υ mesons in pp collisions at s√ = 8 TeV is studied with the LHCb detector. The J/ψ and Υ mesons are reconstructed in the μ [superscript +] μ [superscript −] decay mode and the signal yields are determined with a fit to the μ [superscript +] μ [superscript −] invariant mass distributions. The analysis is performed in the rapidity range 2. 0 < y < 4. 5 and transverse momentum range 0 < p [subscript T] < 14 (15) GeV/c of the J/ψ (Υ) mesons. The J/ψ and Υ production cross-sections and the fraction of J/ψ mesons from b-hadron decays are measured as a function of the meson p [subscript T] and y.
DepartmentMassachusetts Institute of Technology. Department of Physics
Journal of High Energy Physics
Aaij, R., C. Abellan Beteta, B. Adeva, M. Adinolfi, C. Adrover, A. Affolder, Z. Ajaltouni, et al. “Production of J/ψ and Υ mesons in pp collisions at √s = 8 TeV.” J. High Energ. Phys. 2013, no. 6 (June 2013). © CERN, for the benefi t of the LHCb collaboration
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