Charm meson production and double parton interactions at the LHC

  title={Charm meson production and double parton interactions at the LHC},
  author={R. Maciuła and A. Hameren and A. Szczurek},
  journal={Acta Physica Polonica B},
We discuss production of open charm mesons in proton-proton collisions at the LHC. The cross section for inclusive production of $c \bar c$ pairs is calculated within the $k_{\perp}$-factorization approach in which a major part of higher-order corrections is belived to be effectively included. We use and test the applicability of several unintegrated gluon distributions. Numerical results of the $k_{\perp}$-factorization approach are compared to NLO pQCD collinear predictions. Inclusive… Expand
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