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HK: Physik der Hadronen und Kerne

HK 58: Theorie

HK 58.4: Talk

Friday, March 24, 2006, 14:45–15:00, B

Dilepton yields from Brown-Rho scaled vector mesons including memory effects — •Bjoern Schenke and Carsten Greiner — Institut für Theoretische Physik, Johann Wolfgang Goethe - Universität Frankfurt, Max-von-Laue-Straße 1, D-60438 Frankfurt am Main

Brown-Rho scaling, which has been strongly discussed after recent NA60 data was presented, is investigated within a nonequilibrium field theoretical description that includes quantum mechanical memory effects. Yields are calculated by application of a model for the fireball and comparisons to more simplistic equilibrium calculations are contrasted.