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Mainz 2012 – scientific programme

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HK: Fachverband Physik der Hadronen und Kerne

HK 46: Poster – Schwerionenkollisionen und QCD Phasen

HK 46.2: Poster

Thursday, March 22, 2012, 14:00–16:00, P Foyer

The p-T-diagram of QCD — •Klaus Heckmann, Jochen Wambach, and Michael Buballa — Institut für Kernphysik, TU Darmstadt

We present a novel form of displaying the phase diagram of QCD matter. Rather than representing the phase diagram in terms of temperature and baryo-chemical potential or density, we choose to plot pressure vs. temperature. This has the advantage of a more direct comparison with other substances such as water or Helium. We include results from lattice QCD, nuclear astrophysics, model calculations of color superconductors and empirical input from heavy-ion collisions for quantitative statements. Due to relativistic effects there is an unphysical region in the p-T plane in which QCD matter cannot exist in equilibrium.

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