Y.Miake, 6th China-Japan Joint
Nuclear Physics Symposium, Shanghai, May 16-20, 2006

Mass Ordering in single spectra
lExponential in mt for low pt region
lKnown from AGS & SPS era
lMass ordering of slope parameters
lProof of hydrodynamical collective flow



mt-m

Collective Flow
PHENIX,
PRC69,034909(2004)
Au+Au at 200 GeV/n