Physics of Atomic Nuclei

, Volume 75, Issue 6, pp 718–720 | Cite as

Propagation of spectral functions and dilepton production at SIS energies

  • Gy. WolfEmail author
  • B. Kämpfer
  • M. Zétényi
Elementary Particles and Fields Theory


The time evolution of vector meson spectral functions is studied within a 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 inmedium modifications turn out to compete, in this approach, with the known vacuum contributions.


Spectral Function Vector Meson Dilepton Production Retarded Green Function Dalitz Decay 
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Copyright information

© Pleiades Publishing, Ltd. 2012

Authors and Affiliations

  1. 1.KFKI RMKIBudapestHungary
  2. 2.Forschungszentrum Dresden-RossendorfInstitut für StrahlenphysikDresdenGermany

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