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|Type:||Artigo de periódico|
|Title:||Quark Condensate And Nucleon-antinucleon Phase Transition From Hadronic Models At Finite Temperature|
|Abstract:||We investigate different hadronic model parametrizations at high temperature regime. All the models were constructed to reproduce some observables at low temperature. At high temperature this study becomes important once a copious number of antiparticles arises playing an essential role in the high energy heavy-ion collision experiments like RHIC, SPS and LHC. In our study we observe a model dependent first-order phase transition at about 180 MeV. It was also verified that the order parameter, in-medium effective baryon mass, is very similar to the quark condensate as a function of the temperature. This result acquires importance since the quark condensate is the phase transition order parameter from hadronic (massive mesons) to chiral (massless mesons) phases. © 2010 Elsevier B.V.|
|Appears in Collections:||Unicamp - Artigos e Outros Documentos|
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