July 30 – August 2, 2001
Kirill
Filimonov, INPC 2001

Electromagnetic
probes of nuclear collisions
• Mean free path larger than reaction
volume
• Dileptons
emitted at all stages of the collision:
•neutral meson decays
•p+p- annihilation
•qq annihilation
•Drell-Yan pairs
•
Measured spectra reflect full space-time evolution