Presented by Dirk Rischke, J.W. Goethe University, Frankfurt, Germany
Friday, April 6, 2012, 2:00 pm — Small Seminar Room, Bldg. 510
In this talk, I present results from an effective model based on the linear representation of the chiral U(N_f)_r x U(N_f)_l symmetry of QCD. It is demonstrated that a reasonable fit of the mass parameters and coupling constants of the model to hadron vacuum properties is possible. This fit can contribute to answering the question about the quark content of the scalar isoscalar mesons. The ultimate goal is to use this model to investigate signatures for chiral symmetry restoration at nonzero temperatures and densities.
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