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Hadronization of Heavy Quarks
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Hadronization of Heavy Quarks
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Heavy-flavor hadrons produced in ultra-relativistic heavy-ion collisions are a sensitive probe for studying hadronization mechanisms of the quark-gluon-plasma. In this work, we survey how different transport models for the simulation of heavy-quark diffusion through a quark-gluon plasma in heavy-ion collisions implement hadronization and how this affects final-state observables. Utilizing the same input charm-quark distribution in all models at the hadronization transition, we find that the transverse-momentum dependence of the nuclear modification factor of various charm hadron species has significant sensitivity to the hadronization scheme. In addition, the charm-hadron elliptic flow exhibits a nontrivial dependence on the elliptic flow of the hadronizing partonic medium.
Forward citations
Cited by 7 Pith papers
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Heavy quark coalescence probability in the presence of a potential
Including a phenomenological heavy-light quark potential in the coalescence model enhances the heavy-quark coalescence probability to near unity at low momentum without ad hoc normalization.
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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...
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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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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 in a transport model predicts D0 > Ds+ v2 splitting in O-O collisions at 5.36 TeV, reproduces ALICE ordering, and identifies a linear scaling of the splitting with partonic flow accumulated be...
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Valence quark distribution of the pion inside a medium with finite baryon density: A Nambu--Jona-Lasinio model approach
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Transverse momentum dependence of $\Omega/\phi$ ratio in high energy collisions
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