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Measurement of D ±s production asymmetry in pp collisions at √s=7 and 8 TeV
The inclusive D ±s production asymmetry is measured in pp collisions collected by the LHCb experiment at centre-of-mass energies of √s=7 and 8 TeV. Promptly produced D ±s mesons are used, which decay as D ±s → ϕπ±, with ...
Measurement of Z → τ +τ − production in proton-proton collisions at √s=8 TeV
A measurement of Z → τ +τ − production cross-section is presented using data, corresponding to an integrated luminosity of 2 fb−1, from pp collisions at √s=8 TeV collected by the LHCb experiment. The τ +τ − candidates are ...
Central exclusive production of J/ψ and ψ(2S) mesons in pp collisions at √s=13 TeV
Measurements are reported of the central exclusive production of J/ψ and ψ(2S) mesons in pp collisions at a centre-of-mass energy of 13 TeV. Backgrounds are significantly reduced compared to previous measurements made at ...