First measurement of D0-tagged jet angularities in pp collisions at 5.02 TeV shows smaller values at low angular weight, consistent with the QCD dead-cone effect for massive quarks.
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Theoretical predictions for charm and bottom production at the LHC
14 Pith papers cite this work. Polarity classification is still indexing.
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Pith papers citing it
abstract
We present predictions for a variety of single-inclusive observables that stem from the production of charm and bottom quark pairs at the 7 TeV LHC. They are obtained within the FONLL semi-analytical framework, and with two "Monte Carlo + NLO" approaches, MC@NLO and POWHEG. Results are given for final states and acceptance cuts that are as close as possible to those used by experimental collaborations and, where feasible, are compared to LHC data.
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representative citing papers
First simultaneous Bayesian extraction of 2πT D_s and q-hat/T^3 from D-meson R_AA and v2 at 5.02 TeV, yielding a non-monotonic temperature dependence in their ratio that deviates from the expected value of 2.
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.
Self-normalized yields of prompt and non-prompt J/ψ increase stronger than linearly with charged-particle multiplicity in pp collisions at 13 TeV, with stronger effect in the toward azimuthal region.
Event-shape engineering via q2 selection in 0-10% and 30-50% Pb-Pb collisions at 5.02 TeV is shown to separate geometry-driven flow from hadronization-time effects, producing a positive growing Δv2(D0-Ds+) and species-dependent χ slope only in the sequential scenario.
Kolmogorov dynamics for heavy quarks in hot plasma shows significantly delayed large-momentum equilibration compared to Fokker-Planck with matched drag, due to rare low-momentum-loss events.
Sequential hadronization predicts v2(D0) > v2(Ds+) from extra partonic flow accumulated by D0 parents between 1.2 Tc and Tc, with universal linear scaling of the hadronic splitting across O-O and Pb-Pb systems.
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.
Time-correlated thermal noise modeled with a fractional derivative substantially alters heavy quark momentum correlations, displacement, and transverse-momentum moments in hot QCD matter.
Charm quarks develop dynamical attractors in expanding QGP but with lattice-QCD diffusion coefficients require ~5 fm to relax, leading to O(1) deviations from equilibrium already at pT ~ 3 GeV and incomplete thermalization in small systems.
Simulations indicate that heavy-ion collisions enhance the visibility of charmed-meson femtoscopic correlations compared to pp collisions, providing a probe for exotic hadronic states.
In Cu+Au collisions, heavy-quark directed flow is an order of magnitude larger than charged-hadron flow and shows strong sensitivity to initial spatial distributions and temperature-dependent drag.
Reviews precision timing integration in LHC upgrades and discusses a possible shift to triggerless detectors enabled by timing and networking, with reflections on physics benefits.
citing papers explorer
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Probing flavor effects in the QCD parton shower using $\mathbf{{\rm D}^0}$-tagged jet angularities in proton$-$proton collisions at $\mathbf{ \sqrt{s} = 5.02}$ TeV
First measurement of D0-tagged jet angularities in pp collisions at 5.02 TeV shows smaller values at low angular weight, consistent with the QCD dead-cone effect for massive quarks.
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Bayesian Inference of Heavy-Quark Dissipation and Jet Transport Parameters from D-Meson observables in heavy-ion collisions at the LHC energies
First simultaneous Bayesian extraction of 2πT D_s and q-hat/T^3 from D-meson R_AA and v2 at 5.02 TeV, yielding a non-monotonic temperature dependence in their ratio that deviates from the expected value of 2.
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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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Multiplicity dependence of prompt and non-prompt J/$\psi$ production at midrapidity in pp collisions at $\sqrt{s} = 13$ TeV
Self-normalized yields of prompt and non-prompt J/ψ increase stronger than linearly with charged-particle multiplicity in pp collisions at 13 TeV, with stronger effect in the toward azimuthal region.
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$D^0$-$D_s^+$ Elliptic-Flow Splitting under Event-Shape Engineering: A Probe of Sequential Charm Hadronization
Event-shape engineering via q2 selection in 0-10% and 30-50% Pb-Pb collisions at 5.02 TeV is shown to separate geometry-driven flow from hadronization-time effects, producing a positive growing Δv2(D0-Ds+) and species-dependent χ slope only in the sequential scenario.
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Stochastic Dynamics of Heavy Quarks in Strongly Coupled Plasma
Kolmogorov dynamics for heavy quarks in hot plasma shows significantly delayed large-momentum equilibration compared to Fokker-Planck with matched drag, due to rare low-momentum-loss events.
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System-size dependence of the $D^0$--$D_s^+$ flow splitting from early $D_s^+$ formation at $\sqrt{s_{NN}} = 5.36$~TeV
Sequential hadronization predicts v2(D0) > v2(Ds+) from extra partonic flow accumulated by D0 parents between 1.2 Tc and Tc, with universal linear scaling of the hadronic splitting across O-O and Pb-Pb systems.
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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.
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Memory effect on the heavy quark dynamics in hot QCD matter
Time-correlated thermal noise modeled with a fractional derivative substantially alters heavy quark momentum correlations, displacement, and transverse-momentum moments in hot QCD matter.
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Non-equilibrium Dynamical Attractors and Thermalisation of Charm Quarks in Nuclear Collisions at the LHC Energy
Charm quarks develop dynamical attractors in expanding QGP but with lattice-QCD diffusion coefficients require ~5 fm to relax, leading to O(1) deviations from equilibrium already at pT ~ 3 GeV and incomplete thermalization in small systems.
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Accessing Exotic Hadronic States via Charmed-Meson Femtoscopy in Relativistic Heavy-Ion Collisions
Simulations indicate that heavy-ion collisions enhance the visibility of charmed-meson femtoscopic correlations compared to pp collisions, providing a probe for exotic hadronic states.
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Sensitivity of Heavy-Quark Dipolar Flow to its Initial Spatial Distributions in Cu+Au Collisions
In Cu+Au collisions, heavy-quark directed flow is an order of magnitude larger than charged-hadron flow and shows strong sensitivity to initial spatial distributions and temperature-dependent drag.
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Towards triggerless four-dimensional detectors for High Energy Physics collider experiments
Reviews precision timing integration in LHC upgrades and discusses a possible shift to triggerless detectors enabled by timing and networking, with reflections on physics benefits.
- SemiCharmTag: a tool for Semileptonic Charm tagging