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Sturm, C; Böttcher, I, I; D bowski, M; Förster, A; Grosse, E; Koczo, P; Kohlmeyer, B; Laue, F; Mang, M; Naumann, L; Oeschler, H; Pühlhofer, F; Schwab, E; Senger, P; Shin, Y; Speer, J; Ströbele, H; Surówka, G; Uhlig, F; Wagner, A; Walu, W
Physical review letters, 2001-Jan-01, 2001-1-00, 20010101, Letnik: 86, Številka: 1Journal Article
The production of pions and kaons has been measured in 197Au+197Au collisions at beam energies from 0.6 to 1.5A GeV with the kaon spectrometer at SIS/GSI. The K+ meson multiplicity per nucleon is enhanced in Au+Au collisions by factors up to 6 relative to C+C reactions, whereas the corresponding pion ratio is reduced. The ratio of the K+ meson excitation functions for Au+Au and C+C collisions increases with decreasing beam energy. This behavior is expected for a soft nuclear equation-of-state.
