EPJ Web of Conferences
Volume 13, 2011HCBM 2010 – International Workshop on Hot and Cold Baryonic Matter
|Number of page(s)||5|
|Published online||19 April 2011|
Off-shell transport of broad resonances and dilepton production at SIS energies
1 KFKIRMKI, H-1525 Budapest, POB 49, Hungary
2 ForschungszentrumDresden-Rossendorf, Institut für Strahlenphysik, PF510119, 01314 Dresden, Germany
a e-mail: email@example.com
The time evolution of vector meson spectral functions is studied within a Boltzmann-Uehling-Uhlenbeck (BUU) type transport model. Applications focus on ρ and ω mesons being important pieces for the interpretation of the dielectron invariant mass spectrum. Since the evolution of the spectral functions is driven by the local density, the in-medium modifications turn out to compete, in this approach, with the known vacuum contributions.
© Owned by the authors, published by EDP Sciences, 2011
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