Kaon and Antikaon Production in Heavy Ion Collisions at 1.5 AGeV

Abstract

At the Kaon Spectrometer KaoS at SIS, GSI the production of kaons and antikaons in heavy ion reactions at a beam energy of 1.5 AGeV has been measured for the collision systems Ni+Ni and Au+Au. The K-/K+ ratio is found to be constant for both systems and as a function of impact parameter but the slopes of K+ and K- spectra differ for all impact parameters. Furthermore the respective polar angle distributions will be presented as a function of centrality.

4 pages, 4 figures, SQM2001 in Frankfurt, Sept.2001, submitted to Journal of Physics G

References in corpus (2)

• Hadron production in Au-Au collisions at RHIC
• Direct comparison of phase-space distributions of K- and K+ mesons in heavy-ion collisions at SIS energies - evidence for in-medium modifications of kaons ?

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