Friday, June 25, 2010, 2:00 pm — Small Seminar Room, Bldg. 510
The di-electron production from the medium in the low invariant mass region is calculated from the full 3D hydrodynamic model.
The di-electron rate is related to the in-medium spectral function of vector modes.
The vector spectral function in all temperature is modeled with a constraint from QCD sum rule.
We show that the dependence of the di-electron spectra on the equation of state is large and that it is one of the main causes for the discrepancy between the theoretical calculation and the experimental data of di-electrons at PHENIX.
We also point out that the contribution of the di-electrons produced from the bremsstrahlung in hadronic reaction is quite large below the two pion threshold.
Hosted by: Kevin Dusling
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