Y.Miake,
Univ. of Tsukuba
36
J/y in Au+Au collisions
lNo clear conclusion yet.
l100 times better statistics recorded on tape.
lData analysis in progress !
SPS NA50 normalized to p+p point
Au+Au®J/Y®e+e- at ÖsNN = 200 GeV
PHENIX
PRC 69, 014901 (2004)
normal nuclear absorption
0-20
% central
Ncoll =
779
20-40
% central
Ncoll =
296
40-90
% central
Ncoll =
45