Measurement of prompt open-charm production cross sections in proton-proton collisions at $\sqrt{s}$ = 13 TeV

The production cross section for prompt open-charm mesons is measured in proton-proton collisions at the LHC center-of-mass energy of 13 TeV. The data sample corresponds to an integrated luminosity of 29 nb$^{-1}$ collected by the CMS experiment in 2016. The differential cross sections of the D$^{*\pm}$, D$^{\pm}$, and D$^0$($\mathrm{\bar D^0}$) mesons are presented in bins of transverse momentum and pseudorapidity in the range $4 < p_{\rm T} < 100$ GeV and $|\eta| <$ 2.1, respectively. The results are also compared to several theoretical calculations and to previous measurements.