"Hard" results 3: Single electron spectrum [nucl-ex/0202002]

• Hard probes signals contributing to electron spectrum:

  • Heavy quark (open charm & bottom via semi-leptonic decays c ®eX, b® eX): initial gluon density, energy loss of heavy flavors, baseline for J/Y suppression ...
  • Thermal dileptons, direct photons (conversion), Drell-Yan.

• Background "cocktail":

  • Dalitz decays of p0,h,h’,w,f
  • g conversions
  • Di-electron decays of r,w,f
  • Kaon decays