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arxiv: 0911.2085 · v1 · submitted 2009-11-11 · ✦ hep-ph · nucl-ex· nucl-th

Strange and charm mesons at FAIR

classification ✦ hep-ph nucl-exnucl-th
keywords mesonsstrangecharmtemperaturedensedensityfairfunctions
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We study the properties of strange and charm mesons in hot and dense matter within a self-consistent coupled-channel approach for the experimental conditions of density and temperature expected for the CBM experiment at FAIR/GSI. The in-medium solution at finite temperature accounts for Pauli blocking effects, mean-field binding of all the baryons involved, and meson self-energies. We analyze the behaviour in this hot and dense environment of dynamically-generated baryonic resonances together with the evolution with density and temperature of the strange and open-charm meson spectral functions. We test the spectral functions for strange mesons using energy-weighted sum rules and finally discuss the implications of the properties of charm mesons on the D_{s0}(2317) and the predicted X(3700) scalar resonances.

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