Strange and Charm Mesons at FAIR
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AuthorTolos, L.; Cabrera, D.; Gamermann, D.; García-Recio, C.; Molina, R.; Nieves, J.; Oset, E.; Ramos, A.
Strange mesonCharm mesonsTemperatureEnergy
Tolos, L.; et al. Strange and Charm Mesons at FAIR. Acta Physica Polonica B, 41(2): 329-340 (2010). [http://hdl.handle.net/10481/33169]
Sponsorshipnowledges support from the RFF project of the University of Groningen. This work is partly supported by the EU contract MRTN- CT-2006-035482 (FLAVIAnet), by FIS2006-03438, FIS2008-01661, FIS2008- 01143 and FPA2009-00592 from MICINN (Spain), by CPAN (CSD2007- 00042), by the Generalitat de Catalunya contract 2009SGR-1289, by the UCM-BSCH contract GR58/08 910309, by Junta de Andalucía contract FQM225 and the HadronPhysics2, Grant Agreement No. 227431, under the 7th Framework Programme of EU.
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 analyse 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 Ds0(2317) and the predicted X(3700) scalar resonances.