Modelling the QCD Phase Transition with an Effective Lagrangian of Light and Massive Hadrons
arXiv:hep-ph/9712344 · doi:10.1016/S0375-9474(98)00226-7
Abstract
The temperature dependence of quark and gluon condensates in QCD as precursor of the chiral and deconfining phase transition is modelled with a conformally extended non-linear sigma-model including broken chiral and scale invariance. The model is further enlarged by including (free) heavier hadrons. Within this frame we then study the interplay of QCD scale breaking effects and heavier hadrons in chiral symmetry restoration.
23 pages, LaTeX, 5 figures, uses epsfig.sty
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