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Flavor dependence of baryon melting temperature in effective models of QCD

Abstract : We apply the three-flavor (Polyakov-)Nambu-Jona-Lasinio model to generate baryons as quark-diquark bound states using many-body techniques at finite temperature. All the baryonic states belonging to the octet and decuplet flavor representations are generated in the isospin-symmetric case. For each state we extract the melting temperature at which the baryon may decay into a quark-diquark pair. We seek for an evidence of the strangeness dependence of the baryon melting temperature as suggested by the statistical thermal models and supported by lattice-QCD results. A clear and robust signal for this claim is found, pointing to a flavor dependence of the hadronic deconfinement temperature.
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Contributor : Sylvie Flores <>
Submitted on : Tuesday, June 16, 2015 - 7:58:58 AM
Last modification on : Tuesday, November 27, 2018 - 3:08:00 PM

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J.-M. Torres-Rincon, B. Sintes, Jörg Aichelin. Flavor dependence of baryon melting temperature in effective models of QCD. Physical Review C, American Physical Society, 2015, 91 (6), pp.5206. ⟨10.1103/PhysRevC.91.065206⟩. ⟨in2p3-01163992⟩

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