Charmonium and open charm production in nuclear collisions at SPS/FAIR energies and the possible influence of a hot hadronic medium

Abstract

We provide predictions for charmonium and open charm production in nuclear collisions at SPS/FAIR energies within the framework of the statistical hadronization model. The increasing importance at lower energies of Lambda_c production is demonstrated and provides a challenge for future experiments. We also demonstrate that, because of the large charm quark mass and the different timescales for charm quark and charmed hadron production, possible modifications of charmed hadrons in the hot hadronic medium do not lead to measurable changes in cross sections for D-meson production. A possible influence of medium effects can be seen, however, in yields of charmonium. These effects are visible at all energies and results are presented for the energy range between charm threshold and RHIC energy.

arXiv comment12 pages, 4 figures; v2: slightly revised text and updated calculations; v3: slightly enhanced discussion, one more ref.; data file with calculations will be available at http://www-linux.gsi.de/~andronic/physics/charm/

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• Charm-Baryon Production in Proton-Proton Collisions
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• Λ_{c} enhancement from strongly coupled quark-gluon plasma
• The multiple-charm hierarchy in the statistical hadronization model
• D mesic nuclei
• The properties of D and D* mesons in the nuclear medium
• Statistical hadronization of heavy flavor quarks in elementary collisions: successes and failures
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• Charmed hadron production in an improved quark coalescence model
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• Properties of the QCD Matter: A Review of Selected Results from the ALICE Experiment
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• Heavy quark scattering and quenching in a QCD medium at finite temperature and chemical potential
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• ${\Lambda }_c$ Production in Au+Au Collisions at $\sqrt{s_{NN}}$ = 200 GeV measured by the STAR experiment
• Heavy quark(onium) at LHC: the statistical hadronization case
• Astrophysics with heavy-ion beams
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• Masses and decay widths of scalar $D_0$ and $D_{s0}$ mesons in strange hadronic medium
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• Charmed signatures for phase transitions in heavy-ion collisions