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Paper

Measurements of prompt charm production cross-sections in $pp$ collisions at $\sqrt{s} = 5\,$TeV

Abstract

Production cross-sections of prompt charm mesons are measured using data from collisions at the LHC at a centre-of-mass energy of TeV. The data sample corresponds to an integrated luminosity of pb collected by the LHCb experiment. The production cross-sections of , , , and mesons are measured in bins of charm meson transverse momentum, , and rapidity, . They cover the rapidity range and transverse momentum ranges for and and for and mesons. The inclusive cross-sections for the four mesons, including charge-conjugate states, within the range of are determined to be σ(pp\rightarrow D^0 X) = 1004 \pm 3 \pm 54\,μ\text{b} σ(pp\rightarrow D^+ X) = 402 \pm 2 \pm 30\,μ\text{b} σ(pp\rightarrow D_s^+ X) = 170 \pm 4 \pm 16\,μ\text{b} σ(pp\rightarrow D^{*+} X)= 421 \pm 5 \pm 36\,μ\text{b} where the uncertainties are statistical and systematic, respectively.