Hefei workshop, 18-19/Oct/2004
ShinIchi Esumi, Univ. of Tsukuba
20
Inclusive Single g
PHENIX Preliminary
Run2 AuAu 200 GeV
1 + (g pQCD direct x Ncoll) / (g phenix pp backgrd x Ncoll)
[w/ the real,
suppressed background]
PHENIX Preliminary
AuAu 200
GeV
Central 0-10%
1 + (g pQCD direct x Ncoll) / g phenix backgrd Vogelsang NLO
pT (GeV/c)
Direct photons are enhanced w.r.t. p0 production, but it’s just because p0 is suppressed, and the direct photons are in fact binary scaled.