Propagation of vector-meson spectral-functions in a BUU type transport model: Application to di-electron production

Details Propagation of vector-meson spectral-functions in a BUU type transport model: Application to di-electron production Propagation of vector-meson spectral-functions in a BUU type transport model: Application to di-electron production

2009-10-08

arxiv.org/abs/0910.1541v1

Physics

Nuclear Physics

Nuclear Theory

Scientific paper

The time evolution of vector-meson spectral-functions is studied within a kinetic theory approach. We implement this formalism in a BUU type transport model. Applications focus on rho and omega mesons being important pieces for the interpretation of the di-electron invariant mass spectrum measured by the HADES collaboration for the reaction C + C at 2 AGeV bombarding energy. Since the evolution of the spectral functions is driven by the local density, the in-medium modifications are tiny for small collision systems within this approach.

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