Measurement of identified ""pi" POT.0" and inclusive photon second-harmonic parameter ""nu" IND.2" and implications for direct photon production in ''S IND.NN' POT. 1/2' = 200'GeV Au + Au - Adler, S S; Dietzsch, Olácio; Silva, Cesar Luiz da; Takagui, Emi Márcia (Physical Review Letters, 2006)