Strong Surface Emission Picture

1
Strong Surface Emission Picture

• Woods-Saxon distribution.
• A binary collision occurs if
• Pythia is used to handle particle production for
  each binary collision with sqrt(s)gt4 GeV,
  otherwise, particles are produced through
  resonance,eg NN ? ?N.

AuAu at sqrt(s)200 GeV Centralitylt5 Nbin_v101
6,Npart347 5ltCentralitylt10 Nbin_v816,Npart293
10ltCentralitylt20 Nbin_v592,Npart226 30ltCentr
alitylt40 Nbin_v237,Npart107
Surface N-binary Scaling for High pT Particle
Yield?!
2
Surface Binary Collision Approximately Works
Surface width1.6 fm
RAA
1.0
Surface Binary Scaling
1.0
1.0
STAR Preliminary AuAu 200 GeV
pT (GeV/c)