First page Back Continue Last page Overview Graphics
“Jet quenching” model vs. data (I)
Dense medium properties from pQCD+ final-state parton energy loss models:
dNg/dy ~ 1100 [Vitev & Gyulassy]
<n> = L/≈ 3 – 4 [Levai et al.]
<q 0> ~ 14 GeV/fm2
- Medium-induced radiative
- energy losses:
dE/dx ≈ 0.25 GeV/fm (expanding)
dE/dx|eff ≈ 14 GeV/fm (static source) [X.N.Wang]
Large opacities imply fast thermalization.
All these values imply energy densities well above ecrit QCD (in thermalized syst.)