Sub-threshold charm production in nuclear collisions

Abstract

We present the first predictions for sub-threshold open charm and charmonium production in nuclear collisions. The production mechanism is driven by multi-step scatterings of nucleons and their resonance states, accumulating sufficient energy for the production of $J/\Psi$, ${\Lambda }_c+\overline{D}$ and $D+\overline{D}$. Our results are of particular importance for the CBM experiment at FAIR, as they indicate that already at the SIS100 accelerator one can expect a significant number of charmed hadrons to be produced. This opens new possibilities to explore charm dynamics and the formation of charmed nuclei.

6 pages, 6 figures, 2 tables, version accepted by Phys. Rev. C

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Cited by in corpus (14)

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• Deuteron and Antideuteron Coalescence in Heavy-Ion Collisions: Energy Dependence of the Formation Geometry
• Signature of intermittency in hybrid UrQMD-hydro data at 10 AGeV Au+Au collisions
• Predictions for charmed nuclei based on $Y_{c}N$ forces inferred from lattice QCD simulations
• Backward nucleon production by heavy baryonic resonances in proton-nucleus collisions
• Probing dense QCD matter: Muon measurements with the CBM experiment at FAIR
• Nonmesonic weak decay of charmed hypernuclei
• Production of nuclei and hypernuclei in pion-induced reactions near threshold energies
• Multi-strange and charmed hadrons: A novel probe for the QCD equation of state at high baryon densities
• Charmonium interaction in nuclear matter at FAIR
• From Cosmic Matter to the Laboratory
• Toward a Unified Understanding of the Dense Matter Equation of State
• $\Psi (2s)$ production in $p+A$ collisions