A data-driven ddFONLL extrapolation method accounts for LHC-observed charm fragmentation non-universality to derive higher total charm cross sections from D0 fiducial measurements at 5 and 13 TeV, consistent with NNLO QCD predictions.
Acharya et al., Charm production and fragmentation fractions at midrapidity in pp collisions at √s = 13 TeV, JHEP 12 (2023) 086, [arXiv:2308.04877]
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SemiCharmTag rejects charm-semileptonic muon background under LHCb dimuon Drell–Yan by secondary-vertex tagging with a hadron track, improving S/B by ~4 at 81% signal efficiency in simulation.
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A novel phenomenological approach to total charm cross-section measurements at the LHC
A data-driven ddFONLL extrapolation method accounts for LHC-observed charm fragmentation non-universality to derive higher total charm cross sections from D0 fiducial measurements at 5 and 13 TeV, consistent with NNLO QCD predictions.
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SemiCharmTag: a tool for Semileptonic Charm tagging
SemiCharmTag rejects charm-semileptonic muon background under LHCb dimuon Drell–Yan by secondary-vertex tagging with a hadron track, improving S/B by ~4 at 81% signal efficiency in simulation.