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Measurement of J/Ψ production in pp collisions at $\sqrt{s}=7$ TeV

Measurement of J/Ψ production in pp collisions at $\sqrt{s}=7$ TeV

The production of J/psi mesons in proton-proton collisions at sqrt(s)=7 TeV is studied with the LHCb detector at the LHC. The differential cross-section for prompt J/psi production is measured as a function of the J/psi transverse momentum pT and rapidity y in the fiducial region 0<pT<14 GeV/c and 2.0<y<4.5. The …