Directed and Elliptic Flow in 158 GeV/Nucleon Pb+Pb Collisions
Panagiotou, A.D.; Petridis, A.; Vassiliou, M.; Cooper, G.E.; Huang, I.; Irmscher, D.; Jacobs, P.; Margetis, S.; Odyniec, G.; Porter, R.J.; Poskanzer, A.M.; Ritter, H.G.; Rudolph, H.; Toy, M.; Voloshin, S.; Wang, F.; Wienold, T.; Barnby, L.S.; Barton, R.A.; Blyth, C.O.; Caines, H.L.; Hill, L.A.; Jones, P.G.; Nelson, J.M.; Squier, G.T.; Yates, T.A.; Zybert, R.; Csato, P.; Fodor, Z.; Gal, J.; Hegyi, S.; Levai, P.; Molnar, J.; Palla, G.; Sikler, F.; Szentpetery, I.; Sziklai, J.; Vesztergombi, G.; Zimanyi, J.; Baechler, J.; Buncic, N.; Buncic, P.; Ferguson, M.I.; Fischer, H.G.; Puehlhofer, F.; Stock, R.; Vranic, D.; Wenig, S.; Bartke, J.; Gladysz, E.; Kowalski, M.; Rybicki, A.; Appelshaeuser, H.; Bock, R.; Brockmann, R.; Irmscher, D.; Markert, C.; Roland, C.; Sandoval, A.; Sann, H.; Brady, F.P.; Cebra, D.; Dunn, J.; Huang, I.; Wood, L.; Kolesnikov, V.I.; Malakhov, A.I.; Melkumov, G.L.; Semenov, A.Y.; Bormann, C.; Buncic, N.; Buncic, P.; Flierl, D.; Foka, P.; Fuchs, M.; Gabler, F.; Gazdzicki, M.; Guenther, J.; Huemmler, H.; Poziombka, S.; Renfordt, R.; Roehrich, D.; Roland, G.; Rudolph, H.; Schmischke, D.; Stock, R.; Stroebele, H.; Igo, G.; Lasiuk, B.; Toy, M.; Trentalange, S.; Whitten, C.; Eckhardt, F.; Friese, V.; Henkel, T.; Piper, A.1998
AbstractAbstract
[en] The directed and elliptic flow of protons and charged pions has been observed from the semicentral collisions of a 158GeV/nucleon Pb beam with a Pb target. The rapidity and transverse momentum dependence of the flow has been measured. The directed flow of the pions is opposite to that of the protons but both exhibit negative flow at low pt . The elliptic flow of both is fairly independent of rapidity but rises with pt . copyright 1998 The American Physical Society
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