ar X iv : h ep - p h / 98 11 38 7 v 1 1 8 N ov 1 99 8 Quark and Nuclear Matter in the Linear Chiral Meson Model ∗

ar X iv : h ep - p h / 99 11 40 8 v 1 19 N ov 1 99 9 Quark Matter 99 Summary : Hadronic Signals

ar X iv : h ep - p h / 98 11 36 4 v 1 1 7 N ov 1 99 8 Quark Propagation in a Quark - Gluon Plasma with Gluon Condensate ∗

We present a calculation of the thermal quark propagator taking the gluon condensate above the critical temperature into account. The quark dispersion relation following from this propagator, describing two massive modes, is discussed. PACS numbers: 12.38.Mh, 14.65.-q, 12.38.Lg Typeset using REVTEX Supported by DFG Permanent address: Institut für Theoretische Physik, Universität Giessen, 35392 ...

ar X iv : h ep - p h / 98 11 46 1 v 1 2 4 N ov 1 99 8 GUTPA / 98 / 10 / 4 The Problem of the Quark - Lepton Mass Spectrum

We review some approaches to the quark-lepton mass problem. The ideas of mass-protection and approximate chiral flavour symmetries as a framework for resolving the mass hierarchy problem are presented. Dy-namical calculations of the top quark and Higgs particle masses, based on infra-red fixed points and the so-called multiple point principle respectively, are discussed. We also consider mass m...

ar X iv : h ep - p h / 95 05 25 7 v 1 8 M ay 1 99 5 To VMD , or not to VMD , in the quark - gluon plasma

I review results on the shift of the ρ meson mass at nonzero temperature in a gauged linear sigma model, under the assumption of strict vector meson

ar X iv : h ep - p h / 97 10 50 7 v 1 2 8 O ct 1 99 7 HUB - EP - 97 / 80 Hadronization in Particle Physics

The method of path integral hadronization is applied to a local quark-diquark toy model in order to derive an effective chiral meson-baryon Lagrangian. Further generalizations to models including both scalar and axial-vector diquarks as well as nonlocal interactions are discussed.