NNLO QCD calculations using the MaunaKea code enhance c cbar and b bbar production cross sections by up to a factor of two over NLO predictions, reduce scale uncertainties, and match experimental data from 10 GeV to 14 TeV while suggesting PDF and mass constraints.
Charm Hadron Production Fractions
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abstract
The world average values for the probabilities that a charm quark fragments into D^*+ and Ds^+ have been calculated to be f(c->D^*+)=0.235+/-0.007(+/-0.007) and f(c->Ds^+)=0.101+/-0.009(+/-0.025), respectively. The average values for D^0, D^+ and Lambda_c^+ have been also calculated.
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Inclusive charm and bottom quark pair production cross sections at hadron colliders at next-to-next-to-leading-order accuracy
NNLO QCD calculations using the MaunaKea code enhance c cbar and b bbar production cross sections by up to a factor of two over NLO predictions, reduce scale uncertainties, and match experimental data from 10 GeV to 14 TeV while suggesting PDF and mass constraints.