Evaluation of QCD sum rules for HADES
arXiv:nucl-th/0202066
Abstract
QCD sum rules are evaluated at finite nucleon densities and temperatures to determine the change of pole mass parameters for the lightest vector mesons $Ï$, $Ï$ and $Ï$ in a strongly interacting medium at conditions relevant for the starting experiments at HADES. The role of the four-quark condensate is highlighted. A few estimates (within a fire ball model and BUU calculations) of dilepton spectra in heavy-ion collisions at 1 AGeV are presented.
contribution to the XL International Winter Meeting on Nuclear Physics, Bormio (Italy), January 20 - 26, 2002